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snow_lady [41]
3 years ago
6

Paula wants to save at least $800 for a trip. Which inequality shows the least amount she must save each month for 9 months to a

ccomplish this?
A) 9x ≤ 800
B ) 9x < 800
C ) 9x ≥ 800
D ) x ≥ 800 + 9
Mathematics
1 answer:
ElenaW [278]3 years ago
7 0

Answer:

C

Step-by-step explanation:

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Nate walked 72 city blocks in 48 minutes. At this rate, how many city blocks can he walk in 90 minutes?
stiv31 [10]

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135 city blocks is the correct answer

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Selena's favorite chocolate chip cookie recipe calls for 111 teaspoon of salt for every {2 \dfrac{1}{4}}2
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Step-by-step explanation:

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3 years ago
The volume of a cube is 27 cubic meters.<br> What is its surface area, in square meters?
stiks02 [169]

Step-by-step explanation:

the volume of a cube is

side³.

since the volume is 27 m³, the individual side lengths are then the cubic root of 27 = 3 m.

the surface area is 6 squares of 3×3 = 9m², so in total

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2 years ago
A volleyball reaches its maximum of 13 feet, 3 seconds after it is served. What quadratic formula could model the height of the
Katena32 [7]

Answer:

H=-(t-3)^2+13

Step-by-step explanation:

The path covered by the volleyball will be a downward parabola with the vertex being the highest point of the ball.

A general form of a downward parabola is given as:

y=-a(x-h)^2+k

Where (h,k) is the vertex of the parabola and 'a' is a constant.

Now, let 'h' be the vertical height and 't' be the time taken.

So, the equation would be of the form:

H=-a(t-h)^2+k

Now, as per question:

h = 2 seconds, k = 13 feet.

H=-a(t-3)^2+13

Now, taking a = 1. So, the formula that can be used is:

H=-(t-3)^2+13

7 0
3 years ago
the accumulated at 4/5 inch/hour if the snow continues at this rate for 10 hours, how much snow will accumulate
vichka [17]

Answer:

8 inches

Step-by-step explanation:

4/5 * 10/1 = 40/5 = 8inches

7 0
3 years ago
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