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torisob [31]
3 years ago
5

Simplify: 4y–7+ – 9y+9y

Mathematics
2 answers:
Papessa [141]3 years ago
8 0

Answer:

4y-7

Step-by-step explanation:

-9y+9y cancel each other out leaving you with 4y-7. Which cannot be simplified any more because only one has a variable  

andrey2020 [161]3 years ago
7 0

Answer:4y-7

Step-by-step explanation:

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An angle measures 66° more than the measure of its supplementary angle. What is the measure of each angle?
Amanda [17]
One angle would be 57 degrees, one would be 103
3 0
2 years ago
PLEASE HEEEELPPPP I WILL GIVE BRAINLIEST
Ganezh [65]

Answer:

3

Step-by-step explanation:

If you pay attention closely you will see that side 5 and side x look relatively similar. Now if we look at our options we see 7.5 which is too big, 45 which is way too big to be our answer, 8 which has gotten too big and 3 which is similar to 5. This means we have our answer!

3 0
3 years ago
How many solutions does this equation have? 7a + 5 (a+3) = 8a + 4 (a+2)
Vlada [557]

Answer:

no solution.

Step-by-step explanation: type it into the calculator on symbolab. it will tell you how to solve and give you the answer.

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5 0
3 years ago
Can someone please help me with this
krek1111 [17]

point 1 = ( -1 , 5 )       point 2 = ( 5 , -5 )

equation of a line:       y = mx + b

Find Slope (m):

( 5 - (-5)) / (-1 - 5))

= 10 / -6

= -3 / 2

slope = -3/2


Find y-intercept (b):

y = mx + b

y = -3/2 * x + b

5 = -3/2 * -1 + b          <--------------  use the x and y coordinate of one of the                                                                                  .                                                                        points. I used point 1 ( -1 , 5 )

b = 7/2 or 3.5


Assemble:

y = -3/2 * x + 3.5

4 0
3 years ago
Work out 2 x (8 + 52)
Virty [35]

Answer:

120

Step-by-step explanation:

2(60)

120

Quick maths.

8 0
3 years ago
Read 2 more answers
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