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2 years ago

The area of a rectangular

Mathematics

1 answer:

tankabanditka [31]2 years ago

3 0

Answer:

2x+5

Step-by-step explanation:

Okay so lets first factor 2x^2+15x+25

2*25=50

10+5=15

10*5=15

(x+10/2)(x+5/2)

=(x+5)(2x+5)

we know that the width is x+5 so that means the length has to be 2x+5

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5<br> 8<br> y<br> Find the exact value of y.<br> y =

inn [45]

Answer:

$y=2\sqrt{10}$

Step-by-step explanation:

By applying geometric mean theorem in the given right angle,

$\frac{AD}{DB}=\frac{DB}{CD}$

By substituting values in the given ratio,

$\frac{5}{y}= \frac{y}{8}$

$y^2=8\times 5$

$y^2=40$

$y=2\sqrt{10}$

Exact value of y is $2\sqrt{10}$ .

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3 years ago

If 6 notebooks cost 2.50, how much will 9 notebooks cost at the same rate?

ipn [44]

I believe it is $3.33

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3 years ago

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Brainliest!!! Answer quick

solong [7]

Answer: 1mi/5280

Step-by-step explanation: I dunno how to explain this. Its really easy. Always have the converting unit on the denominator

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3 years ago

A test has 25 questions.

nadya68 [22]

Answer:

Peter missed five questions.

Step-by-step explanation:

Since the test has twenty-five questions, and Peter got 80% correct...

80/100 = __/25 <--What number is the numerator?

Well, to get from 100 to 25, you have to divide by 4. 100/4 = 25.

Now, what is 80/4? If you do the math, you should get 20.

25 (Total Questions) - 20 (Questions Correctly Answered) = 5 (Questions Incorrectly Answered)

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2 years ago

Find all solutions to (x+5)(2x-3)=0

kkurt [141]

Answer:

Step-by-step explanation:

Exact Form:

x=5,−32

Decimal Form:

x=5,−1.5

Mixed Number Form:

x=5,−112

( I tried... )

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3 years ago

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