Answer:
60/63, 60 : 63
Step-by-step explanation:
63 - 3 = 60
60 is left over. The total amount is 63
Therefore 60/63
The predicted high temperature for the day in Bismarck, North Dakota is 30° and the low is 7° below zero. What is the diffrence in the temperatures for the day?
Answer:
The diffrence is 37 degrees
Step-by-step explanation:
30-(-7)=37
use the distributive property to fill in the blanks below
4 × (8 + 3) = ( × 8) + × 8) + (x3)
Answer:
This statement shows the Commutative Property of Multiplication. It basically says that now matter order in which you multiply, you still have the same answer because, for example, 4*5=5*4. You can multiply 4 by 5 but you could also multiply 5 by 4 because multiplication is commutative. :)
Step-by-step explanation:
HELP ME OUT PLEASE!!!!!!
Step-by-step explanation:
when it is phrased like that it should mean that we apply the scale factor to the original images to create the new ones.
and that means the new images will in our case be bigger by the factor of 2.
therefore, the 4th answer option is correct.
2 cm turn into 2×2 = 4 cm
1.5 cm turn into 2×1.5 = 3 cm
3 cm turn into 2×3 = 6 cm
4.) Emma wants to know the volume of a box of chocolates
she received. The box is 13 centimeters long, 5
centimeters high and 6 centimeters wide. How big is
the box?
Answer:
390 cubic centimeters
Step-by-step explanation:
the volume of a box is the length width and height all multiplied together
so this is what the equation would look like
5(6)(13)
you can split this up into
5(6) * 13
so 5(6) is 30
30(13)
this is 390
so the box is 390 cubic centimeters
When twice a number is decreased by three, the result is 25. What is the number?
Answer:
So you can make an equation.
So lets make the unknown number “x”
So it’s twice a number and it’s decreased by 3.
So 2x-3
The result is 25
2x-3=25
Now just solve for the number or “x”
X= 14
Question 1 Multiple Choice Worth 2 points)
(06.04 MC)
The speed of a passenger train that is traveling at an initial speed of 14 feet per second and continues to accelerate can be modeled by the function: y = 142. A
second train that is 1,200 feet ahead of the first train is traveling at a constant speed of 149 feet per second and can be modeled by the function: y = 149t + 1200
Solve the system of equations. Which solution represents a viable time that the trains are side by side?
O 14 seconds
O 15 seconds
O 16 seconds
O 17 seconds
Using a system of equations, it is found that the trains will be side by side in 15 seconds.
What is a system of equations?A system of equations is when two or more variables are related, and equations are built to find the values of each variable.
In this problem, the equations are:
[tex]y_1 = 229t[/tex]
[tex]y_2 = 149t + 1200[/tex]
They will be side-by-side when:
[tex]y_1 = y_2[/tex]
Hence:
[tex]229t = 149t + 1200[/tex]
[tex]80t = 1200[/tex]
[tex]t = \frac{1200}{80}[/tex]
[tex]t = 15[/tex]
The trains will be side by side in 15 seconds.
More can be learned about system of equations at https://brainly.com/question/24342899
Which values from the set {-6, -4, -3, -1, 0, 2} satisfy this inequality? 1/2x+3>5
Answer:
-12x+3 greater than or equal to 5
-12x greater than or equal to to 2
To turn the negative sign of -12x into positive, we multiply both sides by minus, which shifts the inequality sign.
So, 12x less than or equal to 2
x is less than or equal to 1/6
Therefore, 0, -1, -3, -4 and -6 satisfy this inequality
WILL GIVE BRAINLIEST
There are 2,367 teachers in a certain school district. 600 were polled asking if they felt computers in the classroom were beneficial to. 85% of the teachers polled felt that computers in the classroom were beneficial to students. What is the confidence interval for the population mean of teachers in this district that feel computers in the classroom are beneficial to students, using a 99% confidence level?
(81.25%, 88.75%)
(81.98%, 88.21%)
(82.14%, 87.86%)
(82.60%, 87.40%)
Answer:
B
Step-by-step explanation:
do you watch anime
Option A
(81.25%,88.75%)
What is confidence interval?A confidence interval is how much instability there's with any specific statistic. Confidence intervals are frequently utilized with a margin of error. It tells you how confident you'll be able be that the results from a poll or survey reflect what you'd expect to find in the event that it were possible to survey the whole population. Confidence intervals are inherently associated to confidence levels.
Here the sample size, n=600
85% of the teachers polled felt that computers in the classroom were beneficial to students.
so the proportion=85%=0.85
Confidence level=99%
so. the level of significance, α=1-0.99=0.01
So, z critical value at 99% confidence level,
[tex]Z_{\frac{\alpha }{2} } =2.576[/tex]
So the formula to find confidence interval is,
[tex]proportion-Z_\frac{\alpha }{2} *\sqrt{\frac{prop.(1-prop)}{n} } < p < proportion+Z_\frac{\alpha }{2} *\sqrt{\frac{prop.(1-prop)}{n} }[/tex]
[tex]0.85-2.576*\sqrt{\frac{0.85*(1-0.85)}{600} } < p < 0.85+2.576*\sqrt{\frac{0.85*(1-0.85)}{600} }[/tex]
=(0.8125,0.8875)
=(81.25%,88.75%)
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7.209 x 10 -4 in standard form
[tex]\huge\textbf{Hey there!}[/tex]
[tex]\mathsf{7.209\times10^{-4}}\\\\\mathsf{\approx 7.209\times\dfrac{1}{10\times10\times10\times10}}\\\\\mathsf{\approx 0.000721}\\\\\mathsf{\approx 7.21\times10^{-4}}\\\\\huge\textbf{Therefore, your answer is: \boxed{\mathsf{7.21\times10^{-4}}}}\huge\checkmark[/tex]
[tex]\huge\textbf{Good luck on your assignment \& enjoy}\\\huge\textbf{your day!}[/tex]
~[tex]\frak{Amphitrite1040:)}[/tex]
This is a grade 5 question pls help!!
Answer:
1. [tex]\frac{1}{4}[/tex]
2.[tex]\frac{3}{8}[/tex]
3.[tex]\frac{5}{8}[/tex]
4.[tex]\frac{3}{4}[/tex]
5.[tex]\frac{3}{8}[/tex]
6. [tex]\frac{0}{8}[/tex] or 0
7. [tex]\frac{5}{8}[/tex]
Step-by-step explanation:
Count the amount of each number and put it over 8.
Simplify if possible.
1/7x7=1 what property is that
Identity property of multiplication
Identity property of multiplication: The product of 1 and any number is that number. For example, 7 × 1 = 7 7 \times 1 = 7 7×1=77, times, 1, equals, 7.
e by 9%
what is the answer in
a. 0.1e
b.0.09e
c.0.9e
d.0.91e
Answer:
b) 0.09e
Step-by-step explanation:
9% is 9/100= 0.09 (e) =0.09e
PLEASE HELP How can the area of this triangle be determined by forming a rectangle? Select from the drop-down menus to correctly complete the statements. Copy and rotate the triangle and place it next to the existing triangle to form a rectangle. The length of the rectangle is (choose) 4,5,8,10 units. The width of the rectangle is (choose) 4,5,8,10 units. The area of the rectangle is (choose) 10,16,20,25 square units.
The area of the triangle is half the area of the rectangle, so the area of the triangle is (choose)
10,16,20,25
square units.
Just add a similar triangle from the opposite side
Then what happens
Hypotenuse of this triangle becomes common and diagonal of the rectangle.Now
Length=L=5Breadth=B=4Area
[tex]\\ \tt\hookrightarrow LB=5(4)=20[/tex]
Area of triangle=20/2=10units^2Answer:
Length = 5
Width = 4
Area = 20
Triangle area = 10
Step-by-step explanation:
The length of the rectangle = the longest leg = 5 units
The width of the rectangle = the shortest leg = 4 units
The area of the rectangle = width x length = 4 x 5 = 20 units²
The area of the triangle = 1/2 the area of the rectangle = 20 ÷ 2 = 10 units²
Please help me with this.
Image attached below! Thank you.
Answer:
C
because:
[tex]y = 0.074x + 50.48 \: \: \\ \: when \: x = 2158 \\ y = 0.074(2158) + 50.48 \\ y = 210 \\ when \: x = 2040 \\ y = 0.074(2040) + 50.48 \\ y = 200 \\ [/tex]
So the equation can be used to calculate fair housing prices is:
[tex]y = 0.074x + 50.48[/tex]
what is 30,000 expressed in scientific notation
Answer:
3 x 10^4
Step-by-step explanation:
the decimal is behind the 3 (3.) and you move the decimal 4 times to the right
2.Each purse contains 8 coins. Find a rule to give the total number of coins.
If we have to find the total number of coins then we can use the following rule:
If Each Purse Contains 8coins ,then we can find total number of coins by multiplying 8 to the number of total purseThus,
Rule is :︎⠀⠀ ⠀⠀ ⠀⠀ ⠀︎⠀⠀ ⠀⠀ ⠀8×Total Number of Purse.
─━─━─━─━─━─━─━─━─━─━─━─━─3: A car travels 120 miles in 3 hours at a steady speed. (a) How far does the car travel in 1 hour? (b) How far does the car travel in 8 hours? How far does the car travel in 1 hour ?
pls give me explanation and working out
thnx :)
Answer:
The car travels 40 miles per hour. In 8hrs, the car will have droven 320 miles. In one hour the car will have have driven 40 miles. Step-by-step explanation:
Excuse me, but I believe this is a unit rate, so the first thing I did was was divide 120 by 3 to get the answer 40 for A. Then, since I knew that the car goes 40 miles per hour, I multiplied that by 8 to get 320 for B.
Solve the following inequality.
-22 < 4x + 6 < 50
[?]
х
Solution:
Let's simplify each inequality one by one.
-22 < 4x + 6 ≤ 50=> -22 - 6 < 4x => -28 < 4x => -7 < x => 4x + 6 ≤ 50=> 4x ≤ 50 - 6=> 4x ≤ 44=> x ≤ 11This means that...
-7 < x ≤ 11Hoped this helped!
Use Euclid's division algorithm to find the HCF of 135 and 225
Answer:
The answer is 45
Step-by-step explanation:
135 and 225
Here, 225 > 135
225 = 135 × 1 + 90
Since remainder ≠ 0, we apply division Lemma to 135 and 90
135 = 90 × 1 + 45
Since remainder ≠ 0, we apply division Lemma to 90 and 45
90 = 45 × 2 + 0
Since remainder = 0, divisor 45 is the HCF
Thus, HCF (135, 225) = 45
-TheUnknownScientist 72
Answer:
HCF = 45
Step-by-step explanation:
225 = (135 × p) + q
⇒ 225 = (135×1) + 90
⇒ 135 = (90 × 1) + 45
⇒ 90 = (45 × 2) + 0
HCF (135, 225) = 45
Solve the equation -3(7 + 5g)
Hey there!
-3(7 + 5g)
DISTRIBUTE -3 WITHIN the PARENTHESES
= -3(7) - 3(5g)
= -21 - 15g
= -15g - 21
Good luck on your assignment and enjoy day!
~Amphitrite1040:)
Prove that the natural number x is prime if and only if x>1 and there is no positive integer greater than 1 and less than or equal to [tex]\sqrt{x}[/tex] that divides x.
There are several ways to prove a mathematical statement. These ways include: by contradiction, by induction, contraposition, etc
How to prove the statement by contradictionTo prove the statement, we make use of proof by contradiction
From the question:
x is a composite number such that: x > 1
This means that 1 < a < x is a factor of x
This can be represented as:
[tex]x = a * b[/tex]
Where:
a and b are positive integers1 < a, b < xAssume that b is less than or equal to a.
Also, let
[tex]b > \sqrt x[/tex]
This means that:
[tex]\sqrt x < b \ge a[/tex]
The above becomes
[tex]\sqrt x < a[/tex]
Rewrite as:
[tex]a > \sqrt x[/tex]
So, we have:
[tex]x = a * b > \sqrt x * \sqrt x = x[/tex]
The above means that:
[tex]x > x[/tex]
The above inequality is a contradiction because, a number x cannot be greater than itself
This means that, the supposition is wrong.
Hence, the given statement has been proved by contradiction
Read more about proof by contradiction at:
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Add parentheses to make true.
2(with exponent of 3) +7.8 + 4 = 30.
Answer:
8 (hopefully)
Step-by-step explanation:
Exponents and Fractions always get dealt with before Math Symbols and Parentheses.
But other than that, you ALWAYS do times or divide from left to right, than plus or minus left to right (unless there's a parentheses, go for the number in the parentheses).
2 by the power of 3 (or 2^3) splits into three twos.
2 * 2 = 4 * 2 = 8 (2^3 = 8)
7 * 8 = 56
56 divided by 4 = 14
8 + 14 = 22
Long story sort
2^3 + 7 * 8 */. 4
8 + 7 * 8 */. 4
8 + 56 */. 4
8 + 14
22
Now than I do not remember what you're supposed to with the "= [Number]" but I do believe you're supposed to sum the left and the right. So I do believe it's 8, now than remember this is not an exact answer, due to not knowing what it's properly to be.
Answer:
(2³ +7)·8÷4 = 30
Step-by-step explanation:
You want to add parentheses to make a true statement from ...
2³ +7·8÷4 = 30
Order of operationsWe recognize that 2³ +7 = 15 and 8÷4 = 2, and the product of these is 30. So, we need to insert parentheses to make (2³ +7) be evaluated before multiplying by 8 and dividing by 4:
(2³ +7) · 8 ÷ 4 = 30
<95141404393>
Answer to letter B , C, D
Answer:
See below.Step-by-step explanation:
Our expression given: 3(x-6) + 2y
A. Substitute x = -7 and y = 10 into the equation.
[tex]3( - 7 - 6) + 2(10)[/tex]
Use the Distributive Property:
[tex] - 21 - 18 + 20[/tex]
Solve:
[tex] - 19[/tex]
B. Substitute x = 5 and y = -2 into the equation.
[tex]3(5 - 6) + 2( - 2)[/tex]
Use the Distributive Property:
[tex]15 - 18 + -4[/tex]
Solve:
[tex]-7[/tex]
C. Substitute x = 0 and y = 6 into the equation.
[tex]3(0 - 6) + 2(6)[/tex]
Use the Distributive Property:
[tex] - 18 + 12[/tex]
Solve:
[tex]-6[/tex]
D. Substitute x = 3 and y = 3 into the equation.
[tex]3(3 - 6) + 2(3)[/tex]
Use the Distributive Property:
[tex]9 - 18 + 6[/tex]
Solve:
[tex]-3[/tex]
Krisi took out a $500 discounted loan calculated using a simple interest rate of 5% for a period of 2 years. What is the effective interest rate? Give your answer as a percentage to the nearest tenth of a percent.
Answer:
Step-by-step explanation:
$50050050re=$450(1+2re)=450+900re=900re=50900=0.05555¯=5.555¯%
The amount of interest will be $50 for the investment.
What is simple interest?Simple interest is a way to figure out how much interest will be charged on a sum of money at a specific rate and for a specific amount of time.
Contrary to compound interest, where we add the interest of one year's principal to the next year's principal to calculate interest, the principal amount in simple interest remains constant.
Given that Krisi took out a $500 discounted loan calculated using a simple interest rate of 5% for a period of 2 years.
The interest will be calculated as:-
SI = ( 500 x 5 x 2 ) / 100
SI = $50
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inverse matrices
how can i solve for x?
Answer
You can solve for x
Step-by-step explanation:
Caroline painted 12 pictures in 6 days. At what rate did she paint the pictures? A.
6 pictures per day
B.
18 pictures per day
C.
72 pictures per day
D.
2 pictures per day
Answer:
D
Step-by-step explanation:
When a banks customer makes an ATM withdrawal from the customers account which
Classes of the banks chart of accounts will be affected
Answer:
Classes representing assets.
Step-by-step explanation:
find five ordered pairs that are a solution for.the equation y=2x +7
Step-by-step explanation:
y = 2x + 7
y = 2(–2) + 7 = 3
y = 2(–1) + 7 = 5
y = 2(0) + 7 =7
y = 2(1) + 7 = 9
y = 2(2) + 7 =11
PLEASE HELP QUICKLY!!! LOOK AT THE PICTURE ATTACHED!
Answer:
[tex]{ \tt{16 {b}^{2} c {}^{12} - 0.25 }}[/tex]
» Change the decimal to a fraction:
[tex] = { \tt{ {16b}^{2} {c}^{12} - \frac{1}{4} }} \\ [/tex]
» Change the other degrees to indices;
16 = 4²4 = 2²[tex] = { \tt{ \blue{( {4}^{2}) }} {b}^{2} {c}^{12} - \frac{1}{ \red{( {2}^{2} )}} } \\ \\ = { \tt{ {(4bc {}^{6} )}^{2} - \frac{1}{4} }}[/tex]
» Factorize:
[tex] = { \tt{4}^{2} \{ ( {bc}^{6} ) {}^{2} - \frac{1}{4} \}} \\ \\ { \boxed{ \tt{ = 16 \{ { \blue{{(bc}^{6}) {}^{2} - \frac{1}{4} } \}}}}}[/tex]
is this correct please help me.
Answer:
4:15:44Step-by-step explanation:
A ratio can be expressed three (3) ways. The ratio of A to B can be expressed as any of ...
A to B
A : B
A/B
It will be in reduced form when the numbers are mutually prime (have no common factors).
__
1.The ratio of burgers without onions to burgers with onions is ...
without : with = 8 : 2 = 4 : 1
__
2.The ratio of history visitors (5) to science visitors (44) is ...
history : science = 5 : 44
_____
Additional comment
Some problems can be fairly easily worked by considering the difference between A and B in the ratio A/B. However, those differences are irrelevant to this problem. Here, you're simply asked to write the ratios.
We note that the ratios asked for reverse the appearance of the numbers given in the problem. That is, the second number in the ratio requested is the number described first. This requires you pay attention to what you are given and what is requested. (That's always a good idea.)