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3 years ago

6

Keisha is working on a math worksheet with 50 problems. she has completed 20 problems in 25 minutes. if she continues at the sam

e pace how long will it take her to complete the worksheet

1 answer:

Gnesinka [82]3 years ago

4 0

Answer:

About 42.5 or 42 1/2

Step-by-step explanation:

20 + 20= 40 + 10= 50

25 + 25= 30 + 12.5= 42.5

Srry if the explanation makes no sense I tried ;-;

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-4(-6 - 2n) = 30 + 8n

kati45 [8]

Answer:

n=6/4

Step-by-step explanation:

-4(-6-2n)=30+8n

24+12n=30+8n

-24 =-24

12n=6+8n

-8n = -8n

4n=6

n=6/4

8 0

2 years ago

Factor the following polynomial:<br> 5x(a - b) – 2y(a - b)

Afina-wow [57]

Answer:

(a - b)(5x - 2y)

Step-by-step explanation:

5x(a - b) – 2y(a - b) =

The factors in parentheses (shown in bold) are a common factor.

Factor (a - b) out from both terms.

= (a - b)(5x - 2y)

5 0

3 years ago

A mechanic charges $60 to inspect your heater, plus $70 per hour to work on it. You owe the mechanic a total of $410. Write and

uranmaximum [27]

Answer:

($410 - $60) / $70 = 5

After subtracting the $60 base fee, you can just divide the hours paid for by the hourly wage and find out how many hours were worked. Hope this helps!

5 0

3 years ago

What is the domain of the function y=x-1

Amiraneli [1.4K]

Answer:

All rational numbers or all numbers

Step-by-step explanation:

The function is a linear positive slope equation, which looks like the screenie below. Lines always travel forever, and since it is a linear line with a slope, it will be forever going in both directions.

Domain is the x-values that a function has, while range is the y-values.

Since the domain and range are infinite, it is all real numbers.

Hope this helps!

Edit: forgot the image

I zoomed out 2 million units out so you get what im saying kinda

8 0

3 years ago

Which statement must be true according to the box plot? The data is symmetric, and the lowest number of crackers in a package wa

LUCKY_DIMON [66]

Answer:

C

Step-by-step explanation:

The data is skewed, and the lowest number of crackers in a package was 7

7 0

3 years ago