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2 years ago

Find both unit rates.

Mathematics

1 answer:

Alexus [3.1K]2 years ago

3 0

$27 / 4 = 6.75 dollars per hour

4 / 24 = 0.148 = 0.15 hours per dollar

Answer is A

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Maria took a math test last week. The table shows how many questions she answered correctly and incorrectly.

pashok25 [27]

Answer:

Step-by-step explanation:

Maria had a test with 20 questions

if 17 are correct,

20 questions................................100%

17 questions................................?%

she was 85% right

5 0

2 years ago

What is the measure of the angle shown? Will mark brainliest!

FrozenT [24]

Answer:

142

Step-by-step explanation:

3 0

2 years ago

H(y)=-3y^2+5<br> p(y)=y^3-7y<br> Find (h-p)(y)

gladu [14]

$(h-p))(y) = -y^3-3y^2+7y+5$

Step-by-step explanation:

Given

$h(y) = -3y^2+5\\p(y) = y^3-7y$

We have to find the difference of two functions given

So,

$(h-p)(y) = h(y) - p(y)\\= (-3y^2+5)-(y^3-7y)\\=-3y^2+5-y^3+7y\\=-y^3-3y^2+7y+5$

Hence,

$(h-p))(y) = -y^3-3y^2+7y+5$

Keywords: Functions, variables

Learn more about functions at:

#LearnwithBrainly

5 0

2 years ago

A bag contains 5 red marbles 7 yellow marbles and 3 blue marbles what is the probability of not drawing one blue marble at rando

hram777 [196]

Answer:

You have a 0.8 / 80% of NOT picking the blue marbles.

Step-by-step explanation:

5 + 7 + 3 = 15

15 - 3 = 12

12 / 15 = 0.8 = 80%

4 0

3 years ago

Read 2 more answers

Count the possible combinations of r letters chosen from the given list P.Q,R,S,T,U; r = 2

Tasya [4]

Answer:

<h2>There are 30 possible combinations of picking two letters.</h2>

Step-by-step explanation:

The combinations are defined as

$C^{r}_{n}=\frac{n!}{(n-r)!}$

Where $n$ is the total number of elements and $r$ is the number of letter we are gonna picke, which is two. Using this information, we have

$C^{2}_{6}=\frac{6!}{(6-2)!}=\frac{6!}{4!}=\frac{6 \times 5 \times 4!}{4!}=30$

Therefore, there are 30 possible combinations of picking two letters.

4 0

2 years ago