Answer:x=2, x=2.5
Step-by-step explanation:
5x+1=11
Subtract 1 from each side
5x=10
Divide each side by 5
x=2
2x-3=2
Add 3 to each side
2x=5
Divide each side by 2
x=2.5
Answer:a)2 .(b) 2.5
Step-by-step explanation:
a) 5x + 1 = 11
Substract 1 from both sides
5x + 1 - 1 = 11 - 1
5x = 10
x = 10/5
x = 2.
b). 2x - 3 = 2
Add 3 to both sides
2x - 3 + 3 = 2 +3
2x = 5
x = 5/2
x = 2.5
HURRY 65 POINTS
consider the reduction of the rectangle.
A larger rectangle has a length of 18 inches and width of 8 inches. A smaller rectangle has a length of x inches and width of 3 inches.
Write a proportion and then solve to find the missing measure of the reduced rectangle.
What two ratios can be used in the proportion?
What is the value of the missing measure?
Answer:
18/8 = x/3
x = 6.75 inches (length)
Step-by-step explanation:
A larger rectangle has a length of 18 inches and width of 8 inches.
Inches /width = 18/8
So, for a rectangle that has a length of x inches and width of 3 inches the ratio is :
x/3
Solving for x:
18/8 = x/3
18/8 (3) =x
6.75 in= x
Feel free to ask for more if needed or if you did not understand something.
The sum of the measures of two exterior angles of a triangle is 257. What is the measure of the third exterior angle?
1E. The number 2A5A0A2 is divisible by 99. What is the digit A?
We know, a number is divisible by 9 if the sum of digits is also divisible by 9.
Also, since A is an digit, so A is in between 0 to 9.
2+A+5+A+0+A+2 = 3A + 9
3A + 9 should be divisible by 9.
3A + 9 = 9n
A = (9n -9)/3
For n= 1 :
A = 0
For n=2 :
A = 3
For n= 3 :
A = 9
After this A > 9 which is not accepted.
Therefore, the digit A can be 0, 3 and 9 .
Hence, this is the required solution.
The digit A that makes 2A5A0A2 to be divisible by 99 is;
A = 3
From study of divisibility of single digit numbers, it was discovered that a number can be divisible by 9 or a multiple of 9 provided the sum of digits is also divisible by 9.We are given the number 2A5A0A2
A is a single digit and as such will be between 0 and 9.
Thus, using the principle above;
2 + A + 5 + A + 0 + A + 2 = 3A + 9
Applying the principle;3A + 9 must be divisible by 9.
Thus;
3A + 9 = 9x
A = (9x - 9)/3
When x = 1;
A = 0
When x = 2;
A = 3
When x = 3;
A = 9
Since A is a single digit, then it means that x cannot be more than 4 as any value of x more than 4 will yield a value of A that is not a single digit.Now, when we place either the value of 0, 3 or 9 for A into the given number, the only one that yields a number that is divisible by 99 is A = 3
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Lisa cleans 6 apartments in 2.5 hours. If Lisa cleans 30 apartments at this same rate how long will it take her?
Answer:
12.5 hours
Step-by-step explanation:
Answer:
it will take Lisa 12.5 hours
Step-by-step explanation:
first figure out how many minutes it takes her per apartment.
in 2.5 hours is 150 minutes so divide 150 by 6 = 25
So, it takes her 25 minutes per apartment.
next, find out how many minutes it takes her to clean 30 apartments by:
30* 25= 750 minutes for 30 partments
divide 750 by 60 to find out how many hours
12.5 hours.
Zain has 12 shirts. Three shirts are red, 4 shirts are blue, and the rest are white. What is the ratio of white shirts to blue shirts?
Answer:
5:4
Step-by-step explanation:
Answer:
5:4
Step-by-step explanation:
3 shirts (red)
4 shirts (blue)
3+4=7-12=5
5 shirts (white)
In Mrs. Madison's math classes, 15% of the students have an ‘A’. If 18 students have an ‘A’, how many students are in Mrs. Madison’s math classes? [Type your answer as a number.]
Answer:
The correct answer is 120 students!
Step-by-step explanation:
There is a proportion you need to write down to solve it but i don’t know how to write it on here!
-8x-x=x-4x plz find for x
Answer: x=0
Step-by-step explanation:
what fraction of 9hours 30minutes
Abcd is a Square, where AE=1.4. Use the properties of a square to determine the length of BD. Please help!
Answer:
2.8
Step-by-step explanation:
1.4 is AE correct?
Well then, BD is twice the length of that, so multiply by 2 to get 2.8.
Answer:
Step-by-step explanation:
2.9
At noon, a tank contained 10 cm of water. After several hours, it contained 7 cm of water. What is the percent decrease of water in the tank?
Please answer with explanation.
Answer:
10cm - 7cm = 3cm
this 3cm is the decrease in the depth of water, let us find the percentage decrease.
%decrease=(decrease÷original depth) × 100%
%decreas=(3cm÷10cm)×100%
therefore we get 30%
There are 52 cars in the movie theater parking lot. 12 more cars parked in the parking lot before the movie started but 3 cars left. How many cars are in the parking lot
Answer:
61
Step-by-step explanation:
52 + 12 = 64
64-3 that left is 62 cars in the parking lot
There are 61 cars in the parking lot.
52 + 12 = 64
64 - 3 = 61
I hope this helps, if it did, please mark brainliest and have an amazing rest of your day. Stay safe! xx
Hi , the answer I choose was wrong , what is the correct answer ? Will choose brainlest so be quick
Answer:
SAS
Step-by-step explanation:
Answer:
it’s the first one
Step-by-step explanation:
A 120 pack of paper towels last 1/2 a year. How many paper towels per month did we use
Answer:
20
Step-by-step explanation:
Because if 120 lasts 1/2 a year which is equivalent to 6 months you do 120 divided by 6 and get 20 hope this helps
Answer:
120/6 = 20 paper towels per month
Step-by-step explanation:
half a year is 6 months
120 divided by 6 is 20
The ratio of 6th-grade students to 7th-grade students in a soccer league is 15:10. If there are 100 students in all, how many 7th graders are there? *
Answer:
40 7th grade students.
Step-by-step explanation:
Ok so first we know the total equals 100. In order to divide the number of 6th graders and 7th graders equally, we add 15 and 10 which equals 25. Now, 100 divided 25 equals 4. Boom! We multiply 15 by 4 and that equals 60. This means there are 60 6th graders. We multiply 10 by 4 which means there are 40 7th graders. Now to check if we did it all right we add 60 and 40 which equals 100 STUDENTS IN ALL. This means we did it right. So it asked us for the amount of 7th graders which is 40! Hope this helps.
find the exact values of the six trigonometric functions of 0
Complete question is;
Find the exact values of the six trigonometric functions 0 if the terminal side of 0 in standard position contains the points(-5,-4).
Answer:
Sin θ = -4/√41
Cos θ = -5/√41
tan θ = 4/5
Cosec θ = (√41)/-4
Sec θ = (√41)/-5
Cot θ = 5/4
Step-by-step explanation:
Now, we are given the point (-5, -4)
These are x and y points.
They will form a triangle and we know that from pythagoras theorem;
x² + y² = r²
Where r is the distance between the point and the origin
Thus;
r² = (-5)² + (-4)²
r² = 25 + 16
r = √41
So, y is the opposite side of the triangle while x is the adjacent side with r being the hypotenuse.
Thus, the trigonometric ratios are;
Sin θ = opp/hyp = -4/√41
Cos θ = adj/hyp = -5/√41
tan θ = opp/adj = -4/-5 = 4/5
Cosec θ = 1/Sin θ = 1/(-4/√41) = (√41)/-4
Sec θ = 1/cos θ = 1/(-5/√41) = (√41)/-5
Cot θ = 1/tan θ = 1/(4/5) = 5/4
2. What is the thickness of the sediment along the east coast of North
America? I
- A teacher wanted to determine the effectiveness of two different learning tools—a computer program or a hands-on approach—for a particular concept she was preparing to teach. She will assign her students to one of the two methods to spend the whole class time to learn this concept. Which of the following variables would be moderated due to random assignment? a- the teacher b- time spent in class c- computer experience d- the different learning tools
Answer:
The answer is Computer Experience.
Step-by-step explanation:
What is the area of the garden
Answer:
C) 1022 1/4 square feet
Step-by-step explanation:
2L+2W=134 (perimeter)
23.5*2+2L=134
L=(134-47)/2
L=87/2=43.5 feet
A=L*W
A=(43.5)*(23.5) ft squared
A=1022.25 square feet
Please help please please
Answer:
100
Step-by-step explanation:
5x2=10x10=100
Answer: It is 160cm.
How would I solve for this. Hurry and I will make u bra I lost
Which part of this graph shows a nonlinear relationship?
Answer:
4
Step-by-step explanation:
Answer:
#4 is the correct answer
Think of linear as a straight line, if you notice a curve like this one, it's going up exponentially, not in a steady rate.
By what number must you multiply a quantity in order to increase it by 25% in a single step?
Answer:
5/4
Step-by-step explanation:
Lets suppose a quantity A that has a value of x
A = x
25% of A is = x/4
now adding this 25% to get 25% increase in the original value
A' = x+ x/4
A' = 5x/4
A' = 5*A/4
This means that , in order to increase the value by 25% in a single step we must multiply the the original value by 5/4.
The perimeter of a rectangular field is 364 yards. If the width of the field is 85 yards, what is its length?
Answer:
[tex]\huge\boxed{97 yards}[/tex]
Step-by-step explanation:
Important Information:
Perimeter of rectangle=[tex]Lenght+Length+width+width[/tex]
Method:
The first step to work this out is to multiply the width of 85 by 2, this gives you 170.This is because a rectangle has two sets of equal sides. This means that there two widths.
The next step is to subtract 170 from the perimeter of 364, this gives you 194. This is because the formula for the perimeter of a rectangle is[tex]Lenght+Length+width+width[/tex]. This means that in order to isolate the values of the lenght we must subtract the values of the width.
The final step is to divide the value of 194 by 2, this gives you 97. This is because that is the value for 2*the length. That means in order to work out the value of 1 you would need to divide by 2.
Step By Step:
1) Multiply 85 by 2.
[tex]85*2=170[/tex]
2) subtract 170 from 364.
[tex]364-170=194[/tex]
3) Divide 194 by 2.
[tex]194/2=97[/tex]
Please help answer I’ll give brainliest
Answer:
ok i'll help just send me the question :)
Step-by-step explanation:
Answer:
what's wrong
Step-by-step explanation:
Plsss hellpppp 14 and 15 plsssssss
Answer:
14). 2nd quadrant
15). 1st quadrant
Step-by-step explanation:
14).Coordinates of a point → J(-8, -12)
Coordinates of the new point J' after reflection of x-axis will follow the rule,
(x, y) → (x, -y)
Coordinates of J' → (-8, 12)
Therefore, point J' will lie in 2nd quadrant.
15). Coordinates of a point → W(-6, 7)
Rule for the rotation by 90°clockwise about the origin,
(x, y) → (y, -x)
Coordinates of point W → (-6, 7)
Following this rule,
W(-6, 7) → W'(7, 6)
Therefore, point W' will lie in the first quadrant.
How much will a cup of coffee that is $5.15 cost with 5% sales tax?
Answer:
It will cost $5.41
Step-by-step explanation:
You would take 5% of 5.15 since that is the price of the coffee with is about 0.26 cent than you add that to the cost of the coffee.
I need help with 1(F)
Answer:
Step-by-step explanation:
1) e) -3 - (-1) = -3 + (+1) = -2
f) [tex]3\frac{7}{8}- (-1\frac{1}{4}) = \frac{31}{8}-(-\frac{5}{4})\\[/tex]
[tex]= \frac{31}{8} + (+\frac{5}{4})\\\\= \frac{31}{8} + \frac{5*2}{4*2}\\\\= \frac{31}{8} + \frac{10}{8}\\\\= \frac{31+10}{8}\\\\= \frac{41}{8}\\\\= 5\frac{1}{8}[/tex]
What’s the value of x?
Answer:
x=6
Step-by-step explanation:
We know that <AWV is 90, so we can set up an equation. This equation is 54+3x+18=90, we know this is true because the two smaller angles are complementary. Then to find x simply solve the equation.
First, add like terms
3x+72=90
Then, subtract 72 from both sides
3x=18
Finally, divide both sides by 3
x=6
Examine the diagram. It is not drawn to scale.
What is the m3?
m3 =_____°
Answer:
105
Step-by-step explanation:
180 - 75 = 105
Answer:
copy and paste this link that imma put under your question I’m not really good at this but this video no cap help and others sorry hope this helps
Now think about how the rise of credit affected Americans and the economy.
Look at each of the following consequences of the rise of credit. Choose whether each consequence was a benefit or a problem. Select the answer that matches each consequence.
Making it more convenient to buy products:
X benefit
Helping demand for products stay high:
Pushing Americans to overspend:
Causing Americans to go into debt:
benefit
Benefit
Benefit
Problem
Problem
Credit has been defined as the borrowing of money by companies and consumers. The transactions of money result in a rise in the economy with the rise in money in the market. However, in some circumstances, there has been freezing of money results in the inter-lending to the firms. This results in an economic crisis.
(a) Making it more convenient to buy products:
It has been a benefit as there has been more money in the market resulting in the rise in the economy.
(b) Helping demand for products stay high:
It has been a benefit as there has been support to the economy with rise in credit.
(c) Pushing Americans to overspend:
This works as the problem, as the irregular spending with credit results in the freezing of the amount.
(d) Causing Americans to go into debt:
It has been a problem that here has been the credit crisis that will result of the credit rise.
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https://brainly.com/question/20650157