Answer:
13.5 and 7
Step-by-step explanation:
x + y = 20.5
× - y = 6.5
Hence,
x =20.5 - y
20.5 - 2y = 6.5
Hence,
2y = 14
and x = 20.5 - 20.5 - 7 = 13.5
Hope that helps :))
Answer:
The two numbers are 7 and 13.5
Step-by-step explanation:
Let the two numbers be x and y
Make 3 equations (for system of equation and substitution method)
Equation 1. x - y = 6.5
Equation 2. x = 6.5 + y
Equation 3. x + y = 20.5
Use the value of x in equation 2 to substitute x in equation 3.
6.5 + y + y = 20.5
Combine like terms
6.5 + 2y = 20.5
- 6.5 on both sides
2y = 14
Divide both sides by 2 to isolate y
y = 7
Substitute y in equation 3 to find x
x + 7 = 20.5
x = 13.5
Hope this helps :)
Have a great day!
NEED HELP QUICK!!
This circle is centered at the point (2,6), and the length of its radius is 7. What is the equation
of the circle?
Answer:
(x - 2)² + (y - 6)² = 49
Step-by-step explanation:
Equation of a circle formula: (x - a)² + (y - b)² = r²
where (a, b) is the center of the circle and r is the radius
Given, center = (2, 6) and radius = 7
Substitute this information in the equation of a circle formula.
⇒ Equation of the circle: (x - 2)² + (y - 6)² = 49
which expression is equivalent to 12^-5 times 12^9?
a. 1/12^-45
b. 12^-45
c. 1/12^4
d. 1/12^-4
Answer:
D. 1/12^-4
Step-by-step explanation:
[tex]12^{-5}*12^{9}[/tex]
Since both exponents have the same base, we can add the exponents to get:
[tex]12^{-5+9}=12^{4}[/tex]
We can cross out A and B since they multiplied the two exponents, therefore both answers are wrong.
Now, let's try C and D.
C is wrong because it has a different base being raised to the same power.
D is correct. When you have a negative exponent, it is equivalent to the reciprocal of the base to the positive exponent.
The reciprocal of 1/12 is 12, and the positive of -4 is 4, therefore the answer is D.
Answer:
12^14
Step-by-step explanation:
It's the correct answer
HELP PLSSSSSSSSSSSSSSSSSSSSSSSSSS
Answer:
Can't see answer it's blank
Step-by-step explanation:
Write the function represented by the table in f (x) = a • b ^x form.
Answer:
[tex]f(x)=32(1.3)^x[/tex]
Step-by-step explanation:
Here, the growth factor is 1.3 since 32(1.3)=41.6, 41.6(1.3)=54.08, and so on.
Therefore, the function that represents the table is [tex]f(x)=32(1.3)^x[/tex]
What is the equation of this line?
y= 2x - 3
y= -1/2x- 3
y= -2x - 3
y= 1/2x - 3
Answer:
First option) y= 2x - 3
Step-by-step explanation:
[] The y-intercept, our b, is -3. This does not rule out any of the options as they all have -3.
[] The slope, when we have a graph with clear points, can be found with rise-over-run. We will pick a point and then count up and over to the next point.
-> Starting at the y-intercept, (0, 3), we count up 2 and to the right 1 for a slope of 2/1. This simplifies to 2.
[] Our equation is y = 2x - 3
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.
- Heather
help help help help help help help
1- 1 1/2
2- 5.3
3- t=5
t=15
t=6
-6= -15r+9s. Solve for s
Answer:
(5r-2)/3 = s
Step-by-step explanation:
-6= -15r+9s
Add 15r to each side
-6+15r= -15r+15r+9s
15r-6 = 9s
Divide each side by 9
(15r-6)/9 = 9s/9
(5r-2)/3 = s
write a numerical expression to represent the phrase the sum of 25 and the cube of 9; evalute
Step-by-step explanation:
25 + 9³ = 25 + 81 = 106
remember, the cube of a number means to multiply it with itself 3 times (for a squared number that would be 2 times).
9³ = 9×9×9
An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division
The value of the expression 25 + 9³ is 754.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
The sum of 25 and the cube of 9.
This can be written as,
25 + 9³
= 25 + 729
= 754
Thus,
The value of the expression 25 + 9³ is 754.
Learn more about expressions here:
https://brainly.com/question/3118662
#SPJ2
A bag contains 4 red marbles, 3 blue marbles and 6 green marbles. If two marbles are
drawn out of the bag, what is the probability, to the nearest 1000th, that both
marbles drawn will be red?
Answer:
~0.143
Step-by-step explanation:
So, in total there are 15 marbles, and only 6 of them are red. So the first draw will have a chance of being red. Since you didn't mention placing it back, the next draw will have a chance of being red. It's , because you just took a red one out of the bag (leaving 5 left) and the total was lessened by one. To get the answer, you'd multiply both numbers together.
6/15 x 5/14 = 1/7 or (roughly) 0.143
Write an equation of the circle with center (-6, 2) and diameter 10.
Solution:
Formula: (x + 6)² + (y – 2)² = 5²h = x coordinatek = y-coordinateFirst, let's find the radius of the circle.
Diameter: 10 unitsRadius: 10/2 units = 5 unitsNow, let's create an equation:
(x – h)² + (y – k)² = r²Replace the given values of variables into the equation.
=> (x + 6)² + (y – 2)² = 5²Image attached~
Learn more: https://brainly.com/question/26508068
111111111111111111111111111111111111111111111
Answer:
40 in
Step-by-step explanation:
The Pythagorean theorem tells you the relationship between the sides of a right triangle.
b^2 +75^2 = 85^2
b^2 = 85^2 -75^2 = 1600
b = √1600 = 40
The length of the missing side is 40 inches.
Evaluate piecewise functions
Answer:
-27
Step-by-step explanation:
We will use the top equation, which is [tex]x^{3}[/tex], because -3 (the x) is less than 0.
-> h(-3) means we are solving for when x is -3
[tex]x^{3}[/tex]
[tex](-3)^{3}[/tex]
[tex]-27[/tex]
Have a nice day!
I hope this is what you are looking for, but if not - comment! I will edit and update my answer accordingly.
- Heather
6.
Write the equation of a line through points (5, 5) and (1, 0) in point-slope form.
Answer: [tex]y=\frac{5}{4} x-\frac{5}{4}[/tex]
DECORATING Taji is hanging a picture 5\8 of the distance from the floor to the ceiling. if the distance between the floor and the ceiling is 12 feet, how high should he hang the picture
Answer:
7.5 is the final answer
Step-by-step explanation:
The first triangle is dilated to form the second triangle. What id the scale factor?
A. 50
B. 5
C. 2
D. 0.5
Answer:
0.5
Step-by-step explanation:
10/5=0.5, or one half.
AAAA!!!HELP QUICK!!!
Answer:
x= 58°
Step-by-step explanation:
if 32° and x is a 90° angle,
32+x = 90
x = 90 - 32
x = 58°
If you don’t know the answer please don’t comment.
1.) Given f(x) = x3 + 1 and g(x) = −x + 1 what is the value of (fg)(−4)?
A.) 315
B.) -315
C.) 225
D.) -225
2.) Given f(x) = x2 + 1 and g(x) = 3x, find (fg)(x).
A.) (fg)(x) = x2 + 3x + 1
B.) (fg)(x) = 3x^2 + 1
C.) (fg)(x) = 3x^3 + 1
D.) (fg)(x) = 3x^3 + 3x
Answer: FOR NUMBER 2 (B)
Step-by-step explanation:
2. (fg)(x) = f (3x)
= (3x)2 + 1 = 3x^2 + 1 —> B
Question 10 please help and show step by step working out
Answer:
P and Q must have some relation f their integers but it doesn't give a value
Step-by-step explanation:
Answer:
The answer is
[tex]8 + \sqrt{48} [/tex]
make L the subject of formula
[tex]v = \frac{1}{2} lbh[/tex]
Answer:
T^2=4π^2*L/G
L=(T^2*G)/4π^2
Step-by-step explanation:
hope this helps
Answer:
[tex]v = \frac{1}{2} lbh \\ \\ \\ l = v \div ( \frac{1}{2} bh) \\ \\ l = v \times \frac{2}{bh} \\ \\ l = \frac{2v}{bh} [/tex]
someone please help with this question :)!
Write 9,030,800 in expanded form.
Answer:
9 million 30 thousand 800 hundred
Step-by-step explanation:
i think this is what u mean by expanded form
pls mark brainliest i need 1 more
PLS DO 8.10 PLSS ITS DO TMR
8. 11/12 gallons of paint
10. 23/24 gallons of drink mix
Step-by-step explanation:
Note: When denominators are different, you must find a common denominator between the two fractions by multiplying both values
Ex: 1/3 and 1/4 = 4/12 and 3/12 common denominator is 12
8. Find the common denominator, 3/4 and 1/6, multiple the first denominator, 4, with three to get 12. Now multiply the numerator by the same number. 9/12 is our new fraction. Since the new denominator is 12, we have to get the other denominator to be 12 as well. Multiply 6 from 1/6 by 2 to get 12. Now do the same with the numerator. 2/12 is our new fraction, and all that's left is to add them together to find how much paint Damon has in total, which is 11/12 gallons.
10. Same concept as the above, 1/12 and 7/8 have a common denominator of 24, multiply 1 and 12 by two to get 2 and 24. Multiply 7 and 8 by 3 to get 21 and 24. 2/24 and 21/24 are our new fractions to add together. 23/24 is our answer.
Enjoy
5. Which of the following is not shown in the
figure at the right?
A. a line intersects parallel lines
B. there are intersecting lines
C. there are perpendicular lines
D. two lines are parallel
//
HURRYYYYYY
Which of the following is equivalent to the expression shown?(
-5) (3 (-4) (-2)
A.-120
B.-8 C.-2
D.120
Answer:
A
Step-by-step explanation:
(-5) * (-12) * (-2)
(60) * (-2)
-120
The function m is given in three equivalent forms. Which form most quickly reveals the zeros (or "roots") of the function? Choose 1 answer: (Choice A) m ( x ) = − 2 ( x − 6 ) 2 + 18 (Choice B) m ( x ) = − 2x^2 + 24x - 54 (Choice C) m ( x ) = − 2 ( x − 3 ) ( x − 9 ), Write one of the zeros
Answer:
Choice C
Step-by-step explanation:
Choice C already has X factored into a form which can readily be set equal to zero.
Eg. X - 3 = 0 and X - 9 = 0
To find the zeroes, simply solve for X
Answer:
this is the real correct answer
Step-by-step explanation:
FILL IN THE BLANK TO MAKE THE NUMBER SENTENCE TRUE.
6 X 2/
= 6
What is the quadratic equation whose roots are 2 and 6, and whose leading coefficient is 5
Answer:
5x^2-8x + 12
Step-by-step explanation:
the formula for finding roots of equation is
x^2- (sum of roots)x + products of roots =0
and we already have the roots of the equation
so we add them to give 8
and multiply to give 12
hence the quadratic equation that has those roots with leading coefficient is 5x^2-8x + 12=0
QUESTION 3
Screenshots
Answer:
2. P= 12
Step-by-step explanation:
Remember that if you have an exponent in your variable , what you have to do is to cancel it out by putting a square root in both sides :
√p ^2 = √144 the exponent will cancel out and then just square root 144
p = 12 that's your answer :)
May someone please help me with these equations I am struggling thank you very much
Answer: see attachment
Step-by-step explanation:
Any help would really be helpful :D
Answer:
here,
4×35=n×10
140=10n
140/10=n
n=14
Hope this helps you!
Answer:
See below.
Step-by-step explanation:
4 n
_ = _
10 35
You cross multiply. You get 140=10n.
140=10n
_ _
10 10
n=14
You have your answer. ✌️