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3 years ago

Of the 25 sheep in the flock 34% are white.what is the total number of white sheep in the flock

1 answer:

7 0

Convert 34% into decimal - 0.34

Multiply 25 by 0.34 which is 8.5

Since you can’t have half a sheep, 8 is the total number of white sheep.

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The side of a cube is 9 cm long.What is the cube's surface area? ____ cm2A) 27B) 729 C) 486What is the cube's volume?Lol 729 ___

DedPeter [7]

Answer:C, B

Step-by-step explanation:

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3 years ago

[Quick Answer Needed] Which of the following shows the extraneous solution to the logarithmic equation?

Nitella [24]

Answer:

Step-by-step explanation:

Given the logarithmic equation

$\log_4x+\log_4(x-3)=\log_4(-7x+21)$

First, notice that

$x>0\\ \\x-3>0\Rightarrow x>3\\ \\-7x+21>0\Rightarrow 7x$

So, there is no possible solutions, all possible solutions will be extraneous.

Solve the equation:

$\log_4x+\log_4(x-3)=\log_4x(x-3),$

then

$\log_4x(x-3)=\log_4(-7x+21)\\ \\x(x-3)=-7x+21\\ \\x^2-3x+7x-21=0\\ \\x^2+4x-21=0\\ \\D=4^2-4\cdot 1\cdot (-21)=16+84=100\\ \\x_{1,2}=\dfrac{-4\pm 10}{2}=-7,\ 3$

Hence, $x=3$ and $x=-7$ are extraneous solutions

6 0

2 years ago

Write the equation of the line in slope-intercept form.

scoundrel [369]

Answer: The equation of the line in slope-intercept form is “y = 4/3x + 4.”

5 0

2 years ago

PLEASE HELP :( ASAP

kenny6666 [7]

Answer:

A. 272 cm^2

Step-by-step explanation:

The area of the rectangle is 17cm * 7cm = 119 cm^2

The area of the right triangle is (25-7) * 17cm * 1/2 = 153cm^2

<em>Answer: 119+153 = 272 cm^2</em>

3 0

2 years ago

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How old am i if 400 reduced by 4 times my age is 144

Airida [17]

Answer:

400 divied by 4 is 144

so ur 14?

Step-by-step explanation:

5 0

2 years ago

Read 2 more answers