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lutik1710 [3]
2 years ago
5

Do the ratios 20/16 and 5/4 form a proportion?

Mathematics
1 answer:
KIM [24]2 years ago
4 0

Answer:

Yes, the ratios do form a proportion.

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Dana spent $495 on 15 hours of obedience training for her dog Rusty. Felipe wants to
swat32

Answer:

9 hours

Step-by-step explanation:

$495 divided by 15 hours = $33 - this is how much the trainer charges per hour.

$297 divided by $33 per hour = 9 hours of training

7 0
3 years ago
PLZ HELPPPP!!!!!!!!!
Setler79 [48]
The answer is 1/3. :)
8 0
3 years ago
Replace ∗ with a monomial so that the derived equality will be an identity: (15y + ∗)2 = 225y2+12x3y+0.16x6
kobusy [5.1K]

Answer:

<u>∗ = 0.4x³</u>

Step-by-step explanation:

(15y + ∗)² = 225y²+12x³y+0.16x⁶

<u>Note:</u>

225y² = 15y * 15y = (15y)²

12x³y = 2 * 15y * 0.4x³

0.16x⁶ = 0.4x³ * 0.4x³ = (0.4x³)²

So, by factoring the right hand side:

225y²+12x³y+0.16x⁶ = (15y + 0.4x³)²

By comparing the left hand side with (15y + 0.4x³)²

<u>So, ∗ should be replaced with the monomial 0.4x³</u>

6 0
3 years ago
A manual with 325 pages has 3 pages without pictures.
Alexus [3.1K]

The percentage of the pages in the manual without pictures is 0.92%.

The number of the pages in the manual without pictures is 0.01

<h3>What are percentages?</h3>

Percentage can be described as a fraction out of an amount that is usually expressed as a number out of hundred. It is a measure of frequency.

<h3>What is the percentage of the pages without pictures? </h3>

Percentage = (number of pages without pictures / total number of pages) x 100 = 0.92%

To learn more about percentages, please check: brainly.com/question/25764815

8 0
2 years ago
Read 2 more answers
4. Phil bought a block of cheese in the shape of a triangular prism measuring 8 inches by 4 inches by 2 inches. What is the volu
makkiz [27]

Answer:

32 inches^3

Step-by-step explanation:

Volume = 1/2 ( base x height x length)

0.5 ( 4 x 2 x 8) = 32 inches^3

6 0
3 years ago
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