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alukav5142 [94]
3 years ago
7

Please help me!!!!!​

Mathematics
2 answers:
kirill [66]3 years ago
8 0

Answer:

-3 < x < -2

Step-by-step explanation:

We want where the y value is negative

-3 < x < -2  the y values are negative

-1 < x < 0 the y values are positive

0 < x < 1  the y values are positive

a_sh-v [17]3 years ago
3 0

Answer:

A

Step-by-step explanation:

Since f(x) is graphed, you need to look at the specified intervals and see which of them have the entire portion graphed below the x axis.

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A bowl is in the shape of a hemisphere (half a sphere) with a diameter of 8 inches. Find the volume of the bowl. Use 3.14 for pi
gayaneshka [121]

Answer: 267.947 (or 267.95) inches^3

Step-by-step explanation:

The formula for the volume of a sphere is \frac{4}{3}\pi r^{3}.

To find your radius (r), divide the diameter of 8 inches by 2. <em>The radius is 4 inches.</em>

Plug in your numbers to the volume equation to get \frac{4}{3} (3.14)(4^3). The first step is to cube 4 (4*4*4) to get <em>64</em>. Now your equation is \frac{4}{3}(3.14)(64).

Multiply 3.14 and 64 to get <em>200.96</em>. The equation is now \frac{4}{3}(200.96) or \frac{4}{3} * \frac{200.96}{1}.

Multiply the numerators (4 * 200.96) and denominators (1 * 3) to get a final equation of \frac{803.84}{3}.

Finally, divide 803.84 by 3 to get the final answer of 267.947 in^3.

8 0
2 years ago
Which one should I choose
Mila [183]
The best choice would be neither
3 0
3 years ago
What is 175cm in feet and inches? I'm 175cm and I calculated that 175cm is 5 foot 10 inches... but i don't think im that tall...
timurjin [86]
<span>5' 8 and 5/6" or 5' 8.9"</span>
6 0
3 years ago
A spinner has five sections, labeled A, B, C, D, and E. The spinner is spun 60 times, and the results are recorded in the table.
Xelga [282]
A. 10% because 6 is ten percent of 60 which is the number of trials.
5 0
3 years ago
Nancy bought 7 pounds of oranges and 3 pounds of bananas for $17. Her husband later bought 3 pounds of oranges and 6 pounds of b
Serjik [45]

Answer:

<u>The price of oranges is US$ 2 per pound and the price of bananas is US$ 1 per pound.</u>

Step-by-step explanation:

1. Bananas and oranges bought by Nancy:

Oranges = 7 pounds

Bananas = 3 pounds

Cost = US$ 17

2. Bananas and oranges bought by Nancy's husband:

Oranges = 3 pounds or 3x

Bananas = 6 pounds or 6y

Cost = US$ 12

3x + 6y = 12 (Dividing by 3 at both sides of the equation)

x + 2y = 4

x = 4 - 2y

3. Total Purchases:

Oranges = 10 pounds or 10x

Bananas = 9 pounds or 9y

Cost = US$ 29

10x + 9y = 29

10 (4 - 2y) + 9y = 29 (Replacing x with 4 - 2y from 2nd purchase)

40 - 20y +9y = 29

-11y = 29 - 40

- 11y = - 11

y = 1 (Dividing by -11 at both sides)

<u>Pound of bananas = US$ 1</u>

10x + 9 (1) = 29 (Replacing y by 1 in the original formula)

10x + 9 = 29

10x = 20

x = 2 (Dividing by 10 at both sides)

<u>Pound of oranges = US$ 2</u>

7 0
3 years ago
Read 2 more answers
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