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vagabundo [1.1K]
4 years ago
8

Ummmmmm Helppppppp Needeeeeeed

Mathematics
2 answers:
leva [86]4 years ago
8 0

Answer:

d: 20(n-1)

Step-by-step explanation:

2\left(n-7\right)-3\left(2-6n\right)

Expand:

2n-2*7-3*2-(-3)*6n

2n-14-6+18n

2n+18n-14-6

20n-20

Factorise:

20(n-1)

belka [17]4 years ago
5 0

Answer:

I dont really know, but you dont have to listen but i think its D! its D!

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Marta is making 3 servings of fruit salad.she adds 3\8 cup blueberries for each serving. Her measuring cup holds 1\8 cup. How ma
Vilka [71]
She will get 3 because if you multiply 1/8 and 3 you will get an answer of 3/8
4 0
4 years ago
If the sum of two numbers is 15 and their quotient is 4, what are they?
11Alexandr11 [23.1K]

Answer:

3, 12

Step-by-step explanation:

"x" is the larger number,

"y" is the smaller number.

Given

x + y = 15

x / y = 4

manipulate the equations for the problem

x / y = 4

*y        *y

x = 4y

solve the system of equations by the methord of substitution:

x + y =15

4y + y = 15

5y = 15

y = 3

Subsitute back into the equations given.

x = 4y

x = 12

6 0
3 years ago
What is the equation of the line that passes through the point (-4,-6) and has an
olga_2 [115]
X= -4

Explanation:
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5 0
3 years ago
What is the double of a number plus 4
larisa86 [58]

Answer:

2x + 4

I hope this helps!

3 0
4 years ago
Read 2 more answers
How do you do this question?
KatRina [158]

Step-by-step explanation:

F(x) = ∫ₓᵃ sin(2t) dt

Use the identity:

-F(x) = ∫ₐˣ sin(2t) dt

Take derivative using fundamental theorem of calculus.

-F'(x) = sin(2x)

F'(x) = -sin(2x)

3 0
3 years ago
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