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Otrada [13]
2 years ago
6

Please help for brainliest

Mathematics
1 answer:
ipn [44]2 years ago
7 0

11. 6×pi= 18.8

12. 9×2×pi= 56.5

13. 13×pi= 40.8

14. 2.5×2×pi=15.7

so:

11a

12d

13b

14c

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Barbara charges $3.50, plus $2.25 for each hour she babysits. If Barbara charges $21.50, how many hours does she babysit?
MAVERICK [17]

Answer:

8 hours

Step-by-step explanation:

The equation is 2.25X + 3.50 = 21.50

X represents the unknown amount of hours she worked. 2.25 is the cost per hour. 3.50 is the fee she charges for every gig. That fee only happens once a gig so naturally it wasn't the number x was placed with.

2.25X + 3.50 = 21.50

2.25X + 3.50 - 3.50 = 21.50 - 3.50

2.25X = 18

<u>2.25X</u> = <u>1</u><u>8</u>

2.25 2.25

X = 8

8 0
3 years ago
A tube of toothpaste weights about 1 pound.Ben's mother bought five tubes.how many ounces did the tubes of toothpaste weight in
zimovet [89]
80 oz .. One pound is 16 oz if there is 5 pounds then you just multiply 16x5 and get 80 ounces
3 0
3 years ago
Read 2 more answers
What is 80 ÷ (-50)?
Harrizon [31]

Answer:

- 1.6

Step-by-step explanation:

If divide these to numbers without the negative, you'll get 1.6

Then you can add the negative sign to the 50 and 1.6 and you'll get the correct answer... btw I'm just lazy and that's my way of dividing negative numbers.

7 0
3 years ago
Look for a pattern to find the value<br> of the ? in the diagram below.
Art [367]

Answer:

please add the diagram

3 0
3 years ago
PLEASE ANSWER
charle [14.2K]

Answer:

The slope intercept form is y=\frac{1}{2}x-5

Step-by-step explanation:

Given : Equation y+3=\frac{1}{2}(x-4)

To find : Rewrite the equation in slope-intercept form ?

Solution :

The slope-intercept form is y=mx+c

Equation y+3=\frac{1}{2}(x-4)

y+3=\frac{1}{2}x-\frac{1}{2}\times 4

y+3=\frac{1}{2}x-2

y=\frac{1}{2}x-2-3

y=\frac{1}{2}x-5

Therefore, the slope intercept form is y=\frac{1}{2}x-5

3 0
4 years ago
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