3 years ago

Hi please help, timed test!

Mathematics

1 answer:

anastassius [24]3 years ago

5 0

Answer: Option 2 and 4

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lisabon 2012 [21]

37 is a prime number

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Find the difference between the lengths of the longest and shortest sides of a rectangle if its area is 924 square milimetres an

BigorU [14]

Length =l

Height = h

Area function = l * h = 924

Perimeter function = 2i + 2h = 122

Divide by 2

I + h = 61.

Plug in I or h for the other variable

I * (61 - I) = 924

61i - i^2 = 924

Factor the function

(-I + 28)(I - 33) = 0

l = 33 as l cannot be negative

61 - 33 = 28

h = 28

Difference between h and l is 33-28=5

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2 years ago

Please help me. I don’t know how to do this I really need this answer.

Ainat [17]

The answer is c.
I will explain

p - 2r = q

1. Move variable to the right by adding it’s opposites on both sides

p - 2r + 2r = q + 2r

2. Eliminate the opposites (-2r and +2r)

p = q + 2r

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3 years ago

A fence is being built around a rectangular garden. The length of the garden is 35 feet, and the total fencing used to enclose t

liraira [26]

The garden's width is 45. We know this because
$35 \times 2$
(length)
$35 \times 2 + 2x = 160 \\$
35x2 is 70 and you need to neutralize that by taking away 70 from both sides.
$160 - 70 = 90$
$2x = 90$
Now divide by 2 on both sides to neutralize the 2 times x.
$90 \div 2 = 45$
meaning that leaves us with
$x = 45$

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3 years ago

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I need the answer to this.

Kamila [148]

Answer:

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2 years ago

Hi please help, timed test!​

Hi please help, timed test!