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3 years ago

I need Help please and thank you !!!!!

Mathematics

2 answers:

blsea [12.9K]3 years ago

7 0

The equation is $58-$32=$26

Molodets [167]3 years ago

7 0

You did it right on the side but you just need to write it sideways so it would be $58-$32=$26

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A gym instructor has a total of 60 hand weight in her studio. Some of the hand weights are 3 pound weights and the rest are 5 po

Elden [556K]

Answer:

35 5-lb weights
25 3-lb weights

Step-by-step explanation:

Let t and f represent the numbers of three- and five-pound weights. The problem statement tells us ...

f + t = 60

f - t = 10

Adding these two equations, we get ...

(f +t) +(f -t) = (60) +(10)

2f = 70 . . . . . eliminate parentheses

f = 35 . . . . . . divide by 2

She has 35 5-lb weights, and 25 3-lb weights.

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3 years ago

What is the area of the white border?

Lina20 [59]

Answer:

$A_{white} = 119\ cm^2$

Step-by-step explanation:

Step 1: Determine the area of the black area

$A = l * w$

$A = 8\ cm * 2\ cm$

$A = 16\ cm^2$

Step 2: Determine the area of the entire white and black area

$A = l * w$

$A = 9\ cm * 15\ cm$

$A = 135\ cm^2$

Step 3: Determine the difference to just get the white area

$A_{white} = 135\ cm^2 - 16\ cm^2$

$A_{white} = 119\ cm^2$

Answer: $A_{white} = 119\ cm^2$

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2 years ago

228 gumballs. There are actually 240 gumballs. What is the percent error?

alekssr [168]

Answer:

5% error

Step-by-step explanation:

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2 years ago

For a resistor in a direct current circuit that does not vary its resistance, the power that a resistor must dissipate is direct

Mrrafil [7]

THe problem is basically telling us: $P=kV^2$

where P is the power disappated and V^2 is our voltage squared.

$\frac{1}{16}=k*14^2\implies\\ \frac{1}{16*196}=k \implies \\ \frac{1}{3136}=k$

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3 years ago

Jenny's great grandmother is 95 years old.

Black_prince [1.1K]

Think of it as 12/95. 12.63

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3 years ago