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3 years ago

Find the value of |5| - 4(32 - 2). -11 -33 7 -23

Mathematics

2 answers:

Mumz [18]3 years ago

6 0

The answer is -33

hope it helps

Ede4ka [16]3 years ago

6 0

Answer: Its -23

Step-by-step explanation: trust me i used a calculator

hope it helps :)

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thomas has 4 blocks colored blue,red,green and yellow. How many different ways can he combine them on a shelf?

puteri [66]

Answer: 24

Step-by-step explanation:

Take the factorial of that number.

4! = 4*3*2*1=24

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3 years ago

I need help 3rd try on Ttm lesson

Natasha2012 [34]

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3 years ago

According toThe Humane Society in 2009 33% of US households owned at least one cat and 56% of households who did own cats owned

taurus [48]

Answer:

<h2>21.4368 ≅ 21.44 million households owned at least two cats.</h2>

Step-by-step explanation:

Total number of households were 116 million.

Hence, 100% = 116 million.

33% of the total US households owned at least one cat.

Hence, the number of household having at least one cat is $\frac{33\times116}{100} = \frac{3828}{100} = 38.28$ million.

It is also given that 56% of that 38.28 million households owned at least 2 cats.

Hence, the number of households having 2 cats is $\frac{56\times38.28}{100} = \frac{2143.68}{100} = 21.4368$ million.

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3 years ago

The arc of the parabola y = x^2 from (3,9) to (4,16) is rotated about the y-axis. Find the area of the resulting surface. Please

Hitman42 [59]

Answer:

156.5

Step-by-step explanation:

Thinking process:

The area can be calculated using the formula:

$S = \int\limits^4_3 {2\pi x\sqrt{1+}(2x)^{2} } \, dx$

We let the substitution take place.

Therefore, we let $u = 1 + 4x^{2}$

Thus, $du = 8dx.$

So,

$xdx = \frac{1}{8}du$

Also, the interval of the integration changes to [ 37, 65]

Thus,

$S = \int\limits^4_3 {2\pi \sqrt{1+4x^{2} } } \, dx \\= \int\limits^65_35 {2\pi \sqrt{\frac{1}{8}u } } \, dx$

= $\frac{1}{6} [ 65^{\frac{3}{2}-37^{\frac{3}{2} } }$

= 156.5 units²

8 0

3 years ago

-5y y=-2 -3x 6y=-12 substitution

IrinaK [193]

The answer would be x=4 and y=-2.

5 0

3 years ago