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Nina [5.8K]
3 years ago
15

I need help with #8 this will give you 11 pts

Mathematics
2 answers:
makkiz [27]3 years ago
8 0
To find y: a straight line equals 180° so the equation to solve is 5y+155=180 (5y and 155 make a straight line) when you solve you get y=5. For X: we now know that 5y is 25° (if y=5 then plug 5 into 5y to get 25) and because the other angle is a right angle that measures 90° then the other angle must also measure 90. Set up the equation 25+13x=90. You should get X=5. Hope this helps explain!
VashaNatasha [74]3 years ago
7 0
The answer to the question is x=5
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If 24x = 2.4, what is 12x? <br> F) 0.2<br> G) 1.2<br> H) 4.8<br> J) 2
dem82 [27]
<h3>We have to add decimal after one place so the value of 12 will become 1.2 hence option G is correct.</h3>
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Conversion de 6.2 toneladas a kg
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Yesterday,Mr.Swenson made 2 3/4 quarts of strawberry jam and 1 1/8 quarts of raspberry jam. How much more strawberry jam did he
Ivenika [448]

Step-by-step explanation:

So I found the l.c.m which is 8 and I multiplied it by the numbers and then

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3 0
2 years ago
HELP PLEASE! PRE-ALGEBRA!
serious [3.7K]

Answer:

Triangle ABC is similar to triangle A prime B prime C prime., because Triangle A prime B prime C prime. is obtained by dilating Triangle ABC. by a scale factor of 1 over 2. and then rotating it about the origin by 180 degrees

Step-by-step explanation:

Step 1: Dilation by a scale factor of 1/2.

A point (x, y) is sent to (1/2 x, 1/2 y).

A(2, 2) ---> (1, 1)

B(2, 10) ---> (1, 5)

C(8, 12) ---> (4, 6)

Step 2: Rotate about the origin 180 degrees

A point (x, y) is sent to (-x, -y).

(1, 6) --->  A'(-1, -1)

(1, 5) --->  B'(-1, -5)

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6 0
3 years ago
Simplify this algebraic equation: 3y - 7(5x + 2y)
Taya2010 [7]

Answer: -11y - 35x

Step-by-step explanation:

This problem utilizes the Distributive Property of Multiplication.  It states that: a(x + y) = ax + ay.

Thus, utilizing this property (distributing -7), change the equation into:

3y - 35x - 14y

Then, simply combine like terms to get:

-11y - 35x

Hope it helps :) and let me know if you want me to elaborate.

8 0
3 years ago
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