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Marysya12 [62]
2 years ago
11

What is 31 1/2 divided by 3 1/2

Mathematics
1 answer:
VARVARA [1.3K]2 years ago
3 0

Answer:

9

Step-by-step explanation:

used a calculator

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Please help me calculate the value of y with steps
Nutka1998 [239]

The value of y in the triangle is 7.5

<h3>How to calculate the value of y?</h3>

The given parameter is the triangle

On the triangle, we have the following equivalent ratio

y : 8 = y + 15 : 20

Express as fraction

y/8 = y + 15/20

Cross multiply

20y = 8y + 90

Collect the like terms

20y - 8y = 90

Evaluate

12y = 90

Divide by 12

y = 7.5

Hence, the value of y in the triangle is 7.5

Read more about triangles at

brainly.com/question/17335144

#SPJ1

5 0
1 year ago
Help me i really need help
Marat540 [252]

Answer:

Area = 530 cm^2

Step-by-step explanation:

7 0
2 years ago
Which number is equal to –906,060? –9. 0606 Times. 105 –9. 06 Times. 105 9. 06 Times. 10–5 9. 0606 Times. 10–5.
Nostrana [21]

The B option is correct.

<h2>Exponent</h2>

Exponential notation is the form of mathematical shorthand which allows us to write complicated expressions more succinctly. An exponent is a number or letter is called the base. It indicates that the base is to raise to a certain power. X is the base and n is the power.

Given

A number is -906,060.

<h3>To find </h3>

The equivalent number of the given number.

<h3>How to find the equivalent number of the given number?</h3>

We know the number is -906,060.

It can be represented as \rm -906,060 =  -9.0606 \ times\ 10^5.

Thus, the B option is correct.

More about the exponent link is given below.

brainly.com/question/5497425

5 0
2 years ago
The four points (−2, 5), (−2, −1), (6, −1), and (3, 5) are the vertices of a polygon. What is the area, in square units, of this
crimeas [40]
Look at the picture.

The polygon is a right-angled trapezoid.

The area is:
A=\frac{a+b}{2} \times h

The points (-2,-1) and (6,-1) lie on the same horizontal line, so the distance between them is 6-(-2)=6+2=8. The length of a is 8 units.
The points (-2,5) and (3,5) lie on the same horizontal line, so the distance between them is 3-(-2)=3+2=5. The length of b is 5 units.
The points (-2,5) and (-2,-1) lie on the same vertical line, so the distance between them is 5-(-1)=5+1=6. The length of h is 6 units.

A=\frac{8+5}{2} \times 6=\frac{13}{2} \times 6=13 \times 3=39

The area is 39 square units.

5 0
3 years ago
Read 2 more answers
Please answer fast i really need this so i can get good grades.
Basile [38]
B and C for the first two
3 0
2 years ago
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