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2 years ago

HELPP IS IT CORRECT IF NOT PLEASE SAY NUMBER 1 OR WHATEVER QUESTION IS WRONG

Mathematics

1 answer:

Marina86 [1]2 years ago

8 0

Answer:

Step-by-step explanation:

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The weight of an object on a particular scale is 155.2 lbs. The measured weight may vary from the actual weight by at most 0.4 l

alexira [117]

155.2 + 0.4 = 155.6
155.2 - 0.4 = 154.8

so it ranges from : 154.8 to 155.6

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2 years ago

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Bob needs to mix 2 cups of orange juice concentrate with 3.5 cups of water to make orange juice. bob has 6 cups of concentrate.

tiny-mole [99]

6/2 = 3

<span>3 * 3.5 = 11.5 </span>

<span>11.5 + 3 = 14.5 cups of juice

</span>

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2 years ago

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In isosceles trapezoid JKLM, m∠J = 17x + 7, and m∠M = 11x + 13. Find m∠K.

tensa zangetsu [6.8K]

Answer:

$m\angle K \approx 104.14^{\circ}$

Step-by-step explanation:

In isosceles trapezoid JKLM,

Given: $m\angle J = 17x+7$ and $m\angle M = 11x+13$

Since, JKLM is an isosceles trapezoid so each pair of base angles is congruent.

$m\angle J = m\angle K$

$m\angle M = m\angle L$

As, we know that the sum of the angle of a trapezoid is $360^{\circ}$

The angles are:

$m\angle J = 17x+7$

$m\angle K = 17x+7$

$m\angle L = 11x+13$

$m\angle M = 11x+13$

Therefore,

$17x+7+17x+7+11x+13+11x+13 = 360^{\circ}$

Combine like terms;

$56x + 40 = 360^{\circ}$

Subtract 40 from both sides we get;

$56x + 40 -40 = 360 - 40$

Simplify:

$56x = 320$

Divide both sides by 56 we get;

$x = \frac{320}{56} = \frac{40}{7}$

To find the angle of $m\angle K$ :

$m\angle K = 17x + 7 = 17(\frac{40}{7}) +7 = 97.14 + 7$

Simplify:

$m\angle K \approx 104.14^{\circ}$

Therefore, the value of angle of $m\angle K \approx 104.14^{\circ}$

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3 years ago

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Which of the following is the best estimate of 572 divided by 28?

marshall27 [118]

Answer:

Step-by-step explanation:

The real answer is 20.428, so rounded it's 20

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2 years ago

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Sayid is buying a frame to go around the perimeter of a painting his daughter made. Each inch of framing costs $0.40. What is t

sesenic [268]

Answer:

Cost of the framing the painting = ($0.40)A

Step-by-step explanation:

Given:

Cost of each inch = $0.40 per inch

Find:

Cost of framing the painting =?

Computation:

Need to find the perimeter of the painting:

Assume perimeter of painting = A

Cost of framing = $0.40 × Perimeter of painting

Cost of framing = $0.40 × A

Cost of framing = ($0.40)A

Note: Side of painting is missing in this question.

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2 years ago