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faust18 [17]
2 years ago
7

sarita has power of 480 watt. cslculate the amount of mass lifted by her up to 10 meters in 10 seconds. from class 7​

Mathematics
1 answer:
Mashcka [7]2 years ago
8 0

Answer:

answer is 4

Step-by-step explanation:

i33i8239393

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I maybe wrong, but I think it is 14

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Write and solve a proportion to complete the statement. Can you help me solver number 1 pls? I'll give brainly.
Gennadij [26K]

Answer:

1.) 42in = 3.5 foot?

Step-by-step explanation:

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The area of a playground is 168 yd2. The width of the playground is 2 yd longer than its length. Find the length and width of th
77julia77 [94]

Answer:

Length = 12yards

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Step-by-step explanation:

Let assume the play ground is rectangular in form.

Area of a rectangle = length × width

Given area of the playground = 168yd²

If the width of the playground is 2yd longer than its length, then:

W = L+2

Substituting W = L+2 into the formula above we have:

A = L × (L+2)

A = L²+2L

168 = L²+2L

L²+2L-168 = 0

L²+14L-12L-168 = 0

L(L+14)-12(L+14) = 0

(L-12)(L+14) = 0

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L = 12 and -14

Taking the positive length, L = 12yards

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3 0
3 years ago
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Ivan

Answer:

(0.0706, 0.1294)

Step-by-step explanation:

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CI = p ± CV × SE

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The sample is large enough to estimate as normal.  For 95% confidence level, CV = z = 1.96.

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CI = 0.1 ± (1.96)(0.015)

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