3 years ago

I have to add then put the answer in simplest form and the fraction is 5/8 plus 3/10

Mathematics

1 answer:

tamaranim1 [39]3 years ago

5 0

Answer:

37/40

Step-by-step explanation:

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−2x−(−5−4x)=−5(2x−7)

hoa [83]

Answer:

x = 2.5

Step-by-step explanation:

- 2x - ( - 5 - 4x ) = - 5 ( 2x - 7 )

- 2x + 5 + 4x = - 10x + 35

- 2x + 4x + 10x = 35 - 5

12x = 30

x =  $\frac{5}{2}$  = 2.5

Check the answer:

L.H.S. = - 2(2.5) - [ - 5 - 4(2.5) ] = 10

R.H.S. = - 5 [ 2(2.5) - 7 ] = 10

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2 years ago

A line has a slope of -5 and passes through (1,-1).which is the equation of the line in point - slope form?

tangare [24]

The equation of a line which has the slope m and passes through the point A(x1,y1) has the formula:
y-y1=m(x-x1)
in your case m= -5 ; A(x1;y1)=(1;-1)
y-(-1)= -5(x-1)
y+1= -5(x-1)
answer is c

8 0

3 years ago

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There are 6 green marbles, 11

algol13

Step-by-step explanation:

green: 6/4

red: 7/4

this is all i know

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3 years ago

(a-1) a2-b2/1-ab+2(a-b)/2b a=2, b=-1

denis-greek [22]

I hope this helps you

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Trevor Has $178 in his bank account at the start of the week He makes one withdrawl during the week At the end of the week Trevo

DerKrebs [107]

178-(-62) should get you your answer

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3 years ago