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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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Y = 8x + 10<br><br> y = 2<br><br> whats the substitution ?
viva [34]

Answer:

Look at the explanation.

I'll be online so let me know if you still need help.

Step-by-step explanation.

A system of equations is basically two or more equations that rely on each other. If a solution for a variable is 2, it has to work for the other equation.

The substitution is basically plugging in the y value to y = 8x + 10

If y = 2

and also y = 8x + 10

What do you think the substitution is?

3 0
3 years ago
I WANT SOLUTION AND EXPLANATION ANSWER IS GIVEN AT LAST!!!
kozerog [31]
<h3><u>Question</u><u>:</u></h3>

<u>The difference between a 2-digit number and the number formed by reversing its digits is 45. If the sum of the digits of the original number is 13, then find the number. </u>

<h3><u>Statement</u><u>:</u></h3>

<u>The difference between a 2-digit number and the number formed by reversing its digits is 45. </u><u>T</u><u>he sum of the digits of the original number is 13</u><u>.</u>

<h3><u>Solution:</u></h3>
  • Let one of the digit of the original number be x.
  • So, the other digit = (13-x)
  • Therefore, the two digit number = 10(13-x) + x = 130-10x+x = 130-9x
  • The number obtained after interchanging the digits is 10x+(13-x) =9x+13
  • Therefore, by the problem

130-9x-(9x+13) = 45

or, 130-9x- 9x-13 = 45

or, -18x = 45-130+13

or, -18x= -72

or, x = 72/18 = 4

or, x = 4

  • So, the original number = 130-9x = 130 -9(4) = 130 - 36 = 94
<h3>Answer:</h3>

The number is 94.

I think the answer you have given isn't right. The answer should be 94.

7 0
3 years ago
Solve. T + 23 &gt; 1 t &gt; 24 t &gt; –22 t &lt; 24 t &lt; –22
creativ13 [48]

t + 23 > 1     subtract 23 from both sides

t + 23 - 23 > 1 - 23

t > -22

5 0
3 years ago
Is the open sentence 3z = 2z + 5 true or false when z = 5?
USPshnik [31]

Answer:

Your answer to your question is FALSE!!!!!!

7 0
3 years ago
Read 2 more answers
Help me please what's the answer
julia-pushkina [17]

Answer:

Step-by-step explanation:

6 0
3 years ago
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