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atroni [7]
3 years ago
9

Can someone help me with this please?

Mathematics
1 answer:
Elena-2011 [213]3 years ago
6 0
29.) This is simply interpreting the linear function.
The function:
96+2.1x
a.) The 96 is what you start with from the beginning. So, we know Rachel weighed 96 ounces when she was born.
b.) Again, interpretation. The 2.1 is the slope, or the change in the line. So we know that Rachel gains 2.1 ounces each day.
30.) For this one, you just have to plug 9 into the equation for x.
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A water sprinkler covers a circular area with a diameter of 20 feet. If it is set to cover only an arc measuring 120 degrees, wh
Wewaii [24]

<u>Answer:</u>

The sprinkler will cover 104.66 square feet

<u>Explanation:</u>

A water sprinkler covers a circular area with a diameter D=  20 feet

and radius r = 10 feet

Arc measuring degrees = 120 degree

Area of the Arc = \frac{120}{360} \times \pi \times r^2

                         = \frac{1}{3} \times \pi \times 10^2

                         = \frac{1}{3} \times 3.14 \times 10 \times 10

                         = 104.66

The sprinkler will cover an arc area covering 104.66 square feet

4 0
3 years ago
Which of the following data could be graphed using a dot plot? Select all that apply.
Sphinxa [80]

Answer:

Time taken to complete a test.

-Number of cars in a -household.

-Number of siblings

Distance driven to school.

Step-by-step explanation:

Data used for a dot plot is relatively small data set where the values can fall into a number of categories/bins. Dot plots are used for univariate data where the variable is quantitative or categorical

5 0
3 years ago
Joey spins a spinner and lands on the number 4. Then Jennifer spins and lands on the number 2. Are these events independent or d
miv72 [106K]

Answer:

Independent. The spins do not have any connections nor do the players.

Step-by-step explanation:

7 0
3 years ago
Walt received a package that is 2 1/3 inches long, 6 3/4 inches high, and 8 1/2 inches wide. What is the surface area of the pac
grin007 [14]
Add whole numbers: 2 + 6 + 8 = 16
Add fractions:

= 1/3 + 3/4 + 1/2

= (8 + 18 + 12) ÷ 24

= 38/24 or 1 14/24 or simplified to 1 7/12

Total surface area = 16 + 1 7/12 or 17 7/12


5 0
4 years ago
Read 2 more answers
A bake
dimulka [17.4K]

Answer:

15 and a half days

Step-by-step explanation:

Since they earn $12's each day you would do $186 divided by $12 which would be 15.5 so it would take them 15 and a half days to raise $186.

8 0
3 years ago
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