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salantis [7]
3 years ago
5

Given: 4x - 7 = 2x + 9 Prove: x = 9 What is the missing reason? 1. 4x - 7 = 2x + 9 ------------- 1. Given 2. 2x - 7 = 9 --------

----------- 2. ????? 3. 2x = 18 --------------------- 3. Addition Property of Equality 4. x = 9 ------------------------ 4. Division Property of Equality A) Multiplication property of equality B) Subtraction property of equality C) Transitive property of equality D) Substitution property of equality
Mathematics
1 answer:
sdas [7]3 years ago
4 0
Lol have fun on thos
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What all is equivalent to 7:5
avanturin [10]

A, B, and C are all equal to the ratio 7:5

If you simplify each of the numbers in A, B, and C, you will find that they will come to equal 7:5

3 0
3 years ago
If 40 is increased to 56, what is the percent of change?
Andrews [41]
The percent of change is 71%
8 0
3 years ago
Details
ale4655 [162]

Answer:

94 children, 64 students, and 47 adults attended the movie theater.

Step-by-step explanation:

Let; a be for adults, s for students, and c for children.

Make a system to solve for the amount of people.

c/a = 2

a + 2a + s = 205

3a + s = 205

Simplify.

s = 205 - 3a

s = 205 - 3a

c = 2a

Plug it in.

5c + 7s + 12a = 1482

10a + 7(205 -3a) + 12a = 1482

10a + 1435 - 21a + 12a = 1482

a + 1435 = 1482

a = 47

Substitute.

c = 2(47)

c = 94

Solve.

s = 205 - 3(47)

s = 64

5 0
3 years ago
Can someone help with #17
iVinArrow [24]
B, Because to be a parallelogram it has to have two sides that are both parallel and congruent
8 0
2 years ago
Please answer the following;
34kurt

The Surface area of the cube will be 433.5 square feet.  Then the correct option is C.

<h3>What is a surface area of a cube?</h3>

Suppose that: The side length of the considered cube is L units. Then, we get:

Surface area of that cube = 6L² square units.

Bella is wrapping a cube shape box that measures 8.5 inches along each side.

The edge length of the cube is 8.5 meters.

Then the Surface area of the cube will be

Surface area = 6 x 8.5²

Surface area = 6 x 72.25

Surface area = 433.5 square feet

The Surface area of the cube will be 433.5 square feet.

Then the correct option is C.

More about the surface area of the cube link is given below.

brainly.com/question/13789496

#SPJ1

6 0
2 years ago
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