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gladu [14]
3 years ago
11

I need help with number 1 and number 3.

Mathematics
1 answer:
Schach [20]3 years ago
7 0

1. First, set up a ratio to find the length of WZ. Use the lengths that are already given to you.

\frac{2}{6} = \frac{3}{x} \\x = \frac{3(6)}{2}\\x = 9


D is the correct answer for 1.

-----

3. The key word to notice here is that the pentagons are SIMILAR. This means that they have corresponding angles that are EQUAL.

This tells us that angle x must also be 60 degrees.

B is the correct answer for 3.

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Please help me with this
Ne4ueva [31]

Answer:

Option c

Step-by-step explanation:

A system of equations are given to us. And we need to solve them . The given system is

\begin{cases} y = 2x - 3\dots 1 \\ y = x^2 - 3\dots 2 \end{cases}

We numbered the equations here . Now put the value of equation 1 in equation 2 that is substituting y = 2x - 3 in eq. 2 .

\implies y = x^2 - 3 \\\\\implies 2x - 3 = x^2 - 3 \\\\\implies x^2 - 2x = 0 \\\\\implies x(x-2) = 0 \\\\\implies\red{ x = 0 , 2 }

We got two values of x as 0 & 2 . Alternatively substituting these values we have ,

\implies y = 2 x - 3 \\\\\implies y = 2(0)-3 \qquad or \qquad y = 2(2)-3 \\\\\implies y = 0-3 \qquad or \qquad 4 - 3 \\\\\implies \red{ y = -3 , 1 }

Thefore the required answer is ,

\red{Option\:c} \begin{cases} (0,-3) \\ (2,1) \end{cases}

4 0
2 years ago
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Simplify the following.<br> -(3z)2<br> A. 6z<br> B. 9z2<br> C. -9z2<br> D. -6z2<br> E. 6z2
diamong [38]

Answer:

a or b

Step-by-step explanation:

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Which box plot represents a set of data that has the least mean absolute deviation?
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Answer

b is the correct answer on ed and e2020

Step-by-step explanation:

tell me if you agree.

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3 years ago
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Six hikers shared 4 1/2 lbs of trail mix. How much trail mix did each hiker receive?
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6 hikers = 4.5 lbs of trail mix

4.5 divided by 6= .75 lbs each hiker.
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What 2 numbers divide to get 375 while multiplying to equal 38.4?
Rus_ich [418]

Answer:

<em>Well, 375 is a composite number. </em>

<em>Prime factorization: 375 = 3 x 5 x 5 x 5, which can be written 375 = 3 x (5^3) </em>

<em>The exponents in the prime factorization are 1 and 3.</em>

<em>Factors of 375: 1, 3, 5, 15, 25, 75, 125, 375. </em>

<em>Factor pairs: 375 = 1 x 375, 3 x 125, 5 x 75, or 15 x 25. </em><em>Good Luck!</em>

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