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3 years ago

The ordered pair (2, 25) is a solution for which equation(s)? Check all that apply.

Mathematics

1 answer:

nata0808 [166]3 years ago

8 0

Answer A is correct. C is correct.

Step-by-step explanation:

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The number of roses (r) in a garden increases when the number of weeds (w) decreases. Write the correct equation for this scenar

ahrayia [7]

The choices are A. r= 200 over w; r = 40 B. r = 200 over w; C. r = 1000
C. r = 2w; r = 10 D. r = 2w; r = 2.5. The situation implies that the number of roses is inversely proportional to the number of weeds. In this case, the answer is either a or b. Given 5 weeds,the one that fits is A. A. r= 200 over w; r = 40.

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3 years ago

How do you write 8.08 × 104 in standard form?

Goryan [66]

Answer:

840.32

Step-by-step explanation:

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2 years ago

Maria scored 72, 97, and 82 on her first three math tests. She wants to have a mean score of 82 for the quarter. How many points

Rom4ik [11]

Answer:

She needs 77 on her last test to earn an 82 for the quarter.

Step-by-step explanation:

Maria scored 72, 97, and 82 on her first three math tests.

She wants to have a mean score of 82 for the quarter.

Let us assume that she must score x on her last test to earn an 82 for the quarter.

So the average score will be,

$=\dfrac{72+97+82+x}{4}$

But the average score is given as 82, so

$\Rightarrow \dfrac{72+97+82+x}{4}=82$

$\Rightarrow 72+97+82+x=82\times 4$

$\Rightarrow 72+97+82+x=328$

$\Rightarrow x=328-72-97-82$

$\Rightarrow x=77$

3 0

3 years ago

Read 2 more answers

Evaluate. 102+6⋅7+8 70142150190

Aloiza [94]

Hi.

102+6(7)+8 (your equation)
102+ 42+ 8 (since the order is PEMDAS, multiplication has to go first. 6x7=42
144 + 8 (since you go left to right, 102 +42 has to be 1st. Answer= 144)
152 (now the only thing left is 144 + 8, so do that. Answer= 152.)

Since that's the last step, 152 will be your answer.

Hoped I helped and if you need anymore you could always ask me~

-Dawn

6 0

3 years ago

Read 2 more answers

Please helpppp meee

Brrunno [24]

Answer:

$\frac{20}{7}$ hours per day

Step-by-step explanation:

Given,

Distance = 192 miles

Rate = 9.6 miles per hour

Lets find her total time of riding by using Distance Formula ( D = RT ).

D = RT

192 = 9.6T

T = 192/9.6

T = 20 hours

Total time she needs to meet goals is 20 hours.

There are 7 days in a week and she plans to ride same hours each day, so that will be:

20/7 hours per day

8 0

3 years ago