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3 years ago

The answer to the question

Mathematics

2 answers:

Luba_88 [7]3 years ago

8 0

She would need 8 ounces of yellow paint because 3+2=5 and 20/5=4 which means the new mixture is 4 times as large as the first one. 2oz x 4=8

Andru [333]3 years ago

3 0

That would be about eight ounces of yellow paint

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My brother and I walk the same route to school every day. My brother takes 40 minutes to get to school and I take 30 minutes. To

Alexxandr [17]

Answer:

24 minutes.

Step-by-step explanation:

Let D represent the distance from school to home and T represent time.

We have been given that your brother takes 40 minutes to get to school.

$\text{Speed}=\frac{\text{Distance}}{\text{Time}}$

$\text{Your brother's speed}=\frac{D}{40}$

You take 30 minutes to get to school.

$\text{Your speed}=\frac{D}{30}$

Your brother left 4 minutes before you did, so distance traveled by him would be:

$\frac{D}{40}\times (T+8)$

You speed: $\frac{D}{30}\times T$

You will catch your brother, when both distances would be same:

$\frac{D}{40}\times (T+8)=\frac{D}{30}\times T$

Cross multiply:

$30D(T+8)=40DT$

Use distributive property:

$30DT+240D=40DT$

$30DT-30DT+240D=40DT-30DT$

$240D=10DT$

Switch sides:

$10DT=240D$

$\frac{10DT}{10D}=\frac{240D}{10D}$

$T=24$

Therefore, it will take you 24 minutes to catch up your brother.

4 0

3 years ago

of 24 dogs, 9 are beagles, 5 are collies, and the rest are poodles. what fractional part are poodles?

Oduvanchick [21]

14 out of 24

that’s it i think

7 0

3 years ago

What is (2/5) / (3/7) [two fifths divided by three sevenths?] ?

Georgia [21]

0.95 is the answer lol hope this helps

4 0

3 years ago

Read 2 more answers

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natali 33 [55]

The decay factor would be 1 minus the percent of decrease:

1-0.12 = 0.88

6 0

3 years ago

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Vanderbilt University has this data set: 305, 315, 285, 285, 290, 280, 300, 310, 310, 315, 305

Setler [38]

Answer:

300

Step-by-step explanation:

305

$305 + 305 + 315 + 315 + 285 + 285 + 310 + 310 + 290 + 280 + 300 = 3300 \div 11$

7 0

3 years ago