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3 years ago

What is the value of x? (Please help ASAP)

Mathematics

2 answers:

Rudiy273 years ago

7 0

Answer:

110

Step-by-step explanation:

Bigger then 90 less than 120

kolbaska11 [484]3 years ago

3 0

I think the answer is 110 I hope this helps you

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Reil [10]

<u>Answer:</u>

x = 5.00 cm

<u>Step-by-step explanation:</u>

• area of the rectangle = $x$ x $(x + 1)$

= $x^2 + x$

• area of the circle = π r²

= $\frac{22}{7}$ x $(x + 2)^2$

= $\frac{22}{7}$ x $(x^2 + 4x + 4)$

∴ $x^2 + x$ + $\frac{22}{7}$ x $(x^2 + 4x + 4) = 184$

⇒ $x^2 + x$ + $\frac{22}{7} x^2 \space\ + \space\ \frac{88}{7} x \space\ + \space\ \frac{88}{7} = 184$

⇒ $\frac{29}{7}x^2 \space\ + \space\ \frac{95}{7}x \space\ - \frac{1200}{7} = 0$

• Using quadratic formula, where

a = $\frac{29}{7}$

b = $\frac{95}{7}$

c = $\frac{-1200}{7}$ ,

$x=\frac{-b \pm \sqrt{b^2-4c}}{2}$

$x = \frac{-\frac{95}{7}\pm \sqrt{(\frac{95}{7})^2 - 4(\frac{29}{7})(\frac{-1200}{7} ) } }{2(\frac{29}{7})}$

$x = 5.00 \space\ \space\ \space\ or \space\ \space\ \space\ x = -8.28$

As length (x) cannot be a negative number,

x = 5.00 cm

7 0

2 years ago

What is the answer to all three of these?

fenix001 [56]

1. 16
2. 10
3. ?
4?
for 3 and 4 I think you use a protractor

3 0

3 years ago

URGENT HELP NEEDED!!!

Pepsi [2]

Answer:

Step-by-step explanation:

There are 5 different ways to choose the first class.

There are 4 classes left to choose from.

There are 4 different ways to choose the second class.

There are 3 classes left to choose from.

There are 3 different ways to chooses the third class.

5*4*3 = 60

8 0

3 years ago

The price of milk has been steadily increasing 5% per year. If the cost of a gallon is now $3.89: What will it cost in 10 years?

Mashcka [7]

It will cost $6.34 in 10 years and it would have cost $3.01 5 years ago

4 0

4 years ago

A plane region that revolves completely about a line sweeps out a solid of revolution. Describe the solid of revolution you get

liberstina [14]

The answer is A ) the cylinder

3 0

3 years ago