2 years ago

Please help ASAP .....

Mathematics

1 answer:

UkoKoshka [18]2 years ago

6 0

It’s b (the imagine is 2 units above the pre-image

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Help please, tank u :)

elena-s [515]

Answer:

16 ft

Step-by-step explanation:

Let the width of the rectangle be x ft

Therefore, length = (x + 2) ft

Area of the rectangle = 15 square ft

$x(x + 2) = 15 \\ \\ {x}^{2} + 2x = 15 \\ \\ {x}^{2} + 2x - 15 = 0 \\ \\ {x}^{2} + 5x - 3x - 15 = 0 \\ \\ x(x + 5) - 3(x + 5) = 0 \\ \\ (x + 5)(x - 3) = 0 \\ \\ x + 5 = 0 \: or \: \: x - 3 = 0 \\ \\ x = - 5 \: \: or \: \: x = 3 \\ \\ \because \: x \: can \: not \: be \: - ve \\ \\ \therefore \: x = 3 \\ \\ \implies \: x + 2 = 3 + 2 = 5 \\ \\ perimeter \: of \: rectngle \\ = 2(5 + 3) \\ = 2 \times 5 \\ = 16 \: ft$

5 0

2 years ago

Jefferson is plotting the vertices of an isosceles right triangle on a coordinate graph. He has plotted the two points shown. Wh

DENIUS [597]

Answer: (-2 -9)

Step-by-step explanation:

Have no time

3 0

3 years ago

Someone please help me !!

wariber [46]

Answer:

B. 56

l hope it is correct or maybe

3 0

3 years ago

Select all of the options which are examples of expenditure.

Serga [27]

Spending money on a game
Giving money to charity
Buying food at a supermarket
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4 0

1 year ago

A group of friends were working on a student film that had a budget of $1140. They used 65% of their budget on costumes. How muc

Stells [14]

Answer:

They use 741 dollars

Step-by-step explanation:

Write 65% as

65/100

Since, finding the fraction of a number is same as multiplying the fraction with the number, we have

65/100 of 1140 = 65/100× 1140

Therefore, the answer is 741

If you are using a calculator, simply enter 65÷100×1140 which will give you 741 as the answer.

4 0

3 years ago