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Elanso [62]
3 years ago
12

Please help me with this question.

Mathematics
2 answers:
dangina [55]3 years ago
8 0

Answer:

a. 1.5 inches wide.

Step-by-step explanation:

If the width of the frame is x the length of the picture + frame = 2x + 12 and the width is 2x + 9 , so we have the following equation:

The total area = (2x + 9)(2x + 12) = 180

4x^2 + 24x + 18x + 108 = 180

4x^2 + 42x - 72 = 0

2(2x^2 + 21x - 36) = 0

2 (2x - 3 )(x + 12) = 0

x = 1.5 , -12  (we ignore the negative root).

igomit [66]3 years ago
7 0
The correct answer is “a”
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8 0
3 years ago
a rectangular has an area of 30 square meters and a perimeter of 34 meters what are the dimensions of the rectangle
stellarik [79]
Simple..

For area, it's A=l*w

15*2=30

And, perimeter, it's P=l+l+w+w

15+15+2+2=34

Thus, your answer.

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8 0
3 years ago
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Misha’s hamster weighed 0.845 kilograms. About how much does it weigh, rounded to the nearest hundredth?
erastova [34]

Answer:

0.85 kilograms

Step-by-step explanation:

The nearest hundredth can be defined as a place value used when rounding up numbers after the decimal.

The nearest hundredth can also mean rounding up to 2 decimal places.

We are asked to round up 0.845 to the nearest hundredth

The nearest hundredth is the second number after the decimal = 4

The third number after the decimal = 5, hence we add 1 to 4 , making it 5.

Hence:

0.845 kilograms to the nearest hundredth = 0.85 kilograms

6 0
4 years ago
Can someone please help me out with this question??
malfutka [58]

Answer:

6(4 + 3t)

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5 0
3 years ago
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Joji earns 3 times as much as Masao. If Joji and Masao earn $4,500.00 together, how much money does Masao earn? a $1,125.00 b $1
Rudiy27
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4 years ago
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