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Andrei [34K]
4 years ago
15

1. Which ratios form a proportion? Use equivalent ratios to test each pair.

Mathematics
2 answers:
kifflom [539]4 years ago
3 0
The first one is C. 12/16, 15/20
^ _ ^
Blizzard [7]4 years ago
3 0

Answer:Which ratios form a proportion? Use equivalent ratios to test each pair.

A. 4/9, 2/3 B. 6/15, 9/12 C. 12/16, 15/20 D. 18/ 20, 24/30 2. Which ratio forms a proportion with 20/30? Use equivalent ratios to test each ratio.

A. 16/24 B. 10/20 C. 17/51 D. 16/60 3. Which ratios form a proportion? Use cross products to test each pair.

A. 15/40, 35/90 B. 18/22, 45/55 C. 12/55, 33/121 D. 17/31, 32/45 4. Which ratios form a proportion? Use cross products to test each pair.

A. 9/17, 27/50 B. 12/35, 24/75 C. 15/55, 32/121 D. 12/35, 20/70 5. Which ratios do not form a proportion? A. 24/96, 27/108 B. 17/102, 12/70 C. 21/51, 35/85 D. 45/75, 63/105.

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A number pattern was created by dividing the previous term by 3. If the starting value for the pattern was 135, which of the fol
Alex787 [66]

Answer:

B. 135, 45, 15, 5...

Step-by-step explanation:

I'll go in order from 135 using the pattern shown (tᵇ/3)

135 / 3

135 = 120 + 15

135/3 = (120/3) + (15/3)

135/3 = 40 + 5

135/3 = 45

All four answer choices show this, so no elimination yet.

45 / 3

45 = 30 + 15

45/3 = (30/3) + (15/3)

45/3 = 10 + 5

45/3 = 15

A and D show 30 as term 3, so they are out.

15 / 3

15/3 = 5

C shows 2 as term 4, so that is also out.

This leaves B as the correct answer.

3 0
3 years ago
Find the area of this rhombus
Vikentia [17]
<h2>Hello!</h2>

The answer is:

The area of the rhombus is equal to 64 squared inches.

area=64in^{2}

<h2>Why?</h2>

Since we already know half of the length of the diagonals of the rhombus, we can calculate the area of the rhombus using the following formula:

area=\frac{diagonal_{1}*diagonal_{2}}{2}

From the image we can see that:

diagonal_{1}=8in+8in=16in

diagonal_{2}=4in+4in=8in

So, substituting, we have:

area=\frac{16in*8in}{2}=\frac{128in^{2} }{2}=64in^{2}

Hence, we have that the area of the rhombus is equal to 64 square inches.

Have a nice day!

7 0
4 years ago
Read 2 more answers
25. How many blocks were needed to make the<br> rectangular prism below?
insens350 [35]

Answer:72

Step-by-step explanation: This is because of 18 in the first row *4 which is 72

6 0
2 years ago
Do Number 20 Please
Luda [366]
2 3/20 ,2 9/20, 2 1/2,2 11/20,2 4/5
5 0
3 years ago
The equatorial radius of Earth is approximately 6 × 103 km, while the equatorial radius of Saturn is approximately 6 × 104 km. W
sasho [114]

Answer:

Step-by-step explanation:

C.

The equatorial radius of Saturn is approximately ten times that of Earth.

The ordinal is identical

The exponent of 10 is 4 - 3 = 1 greater for Saturn than for Earth

10¹ = 10 times

4 0
3 years ago
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