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2 years ago

I need help ASAP! I don’t understand this so I was hoping anyone would help

Mathematics

1 answer:

Pavel [41]2 years ago

8 0

199.8, just use the Pythagorean theorem (a^2 + b^2 = c^2) where a is 24 and b is 18, once you find c multiply c by 6 to get your answer. C should be 33.286

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Is (-5)+12 equal to 7 or is (-5)+(-12) equal to 7?

dezoksy [38]

Answer:

-5+12=7

Step-by-step explanation:

the second option is adding two negatives, which sums up to -17 rather than -7

<h2><em><u>xoxo,</u></em></h2><h2><em><u>your highness...</u></em></h2>

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2 years ago

Matt received change totaling 1.85 in nickels,dimes, and quarters. He recieved at least one coin of each type. What is the least

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Step-by-step explanation:

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2 years ago

The length of the sides of a square measure 2x-5. The length of a rectangle measures 2x, and the width measures x + 2. For what

vladimir1956 [14]

Answer:

$x = 12$

Step-by-step explanation:

Perimeter of a square:

The perimeter of a square of side x is given by:

$P_s = 4x$

Perimeter of a rectangle:

The perimeter of a rectangle of length l and width w is given by:

$P_r = 2(l + w)$

The length of the sides of a square measure 2x-5.

This means that the perimeter of the square is:

$P_s = 4(2x - 5) = 8x - 20$

The length of a rectangle measures 2x, and the width measures x + 2.

This means that the perimeter of the rectangle is:

$P_r = 2(2x + x + 2) = 2(3x + 2) = 6x + 4$

For what value of x is the perimeter of the square the same as the perimeter of the rectangle?

This is x for which:

$P_s = P_r$

$8x - 20 = 6x + 4$

$8x - 6x = 20 + 4$

$2x = 24$

$x = \frac{24}{2}$

$x = 12$

3 0

2 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

Hey will mark highest

VashaNatasha [74]

Answer:

Step-by-step explanation:

x + 159 = 180

x = 21

4 0

2 years ago

Read 2 more answers