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svlad2 [7]
3 years ago
10

Please help me I don't knoe how to do these

Mathematics
2 answers:
Helga [31]3 years ago
8 0
The answer is A. Method is attached as picture.

Andreas93 [3]3 years ago
8 0
The answer should be D but i think it is right

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What is the solution for x in the equation? 16x − 4 + 5x = -67
Luden [163]

Answer:

x = -3

Step-by-step explanation:

16x − 4 + 5x = -67

Combine like terms

21x -4 = -67

Add 4 to each side

21x-4+4 = -67+4

21x = -63

Divide each side by 21

21x/21 = -63/21

x = -3

3 0
3 years ago
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Let u=<-5,2>, v=<-2,6>. Find 4u+3v.
charle [14.2K]

Answer:

\large\boxed{4\vec{u}+3\vec{v}=}

Step-by-step explanation:

\vec{u}=;\ \vec{v}=\\\\4\vec{u}==\\\\3\vec{v}==\\\\4\vec{u}+3\vec{v}=+==

4 0
3 years ago
The relationship between the number of pounds (lb) of peanuts and the price
lapo4ka [179]
Most likely B because one pound is equal to 6 dollars. So i think it would be x= 1 and y= 6

So put the x as the dom and 6 as the num?
3 0
2 years ago
I need help bc I don’t have a calculator
kari74 [83]

Answer:

B is correct

Step-by-step explanation:

I think you don't need a calculator here. :) Try to figure out next time!

7 0
3 years ago
Average speed of Car 1 = 35 mph. Average speed of Car 2 = 55 mph. Time elapsed between start of Car 1 and start of Car 2 = 18 mi
gizmo_the_mogwai [7]
It is 0.53 hope this helps you.
7 0
2 years ago
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