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guapka [62]
3 years ago
13

Solve the system of equations.

Mathematics
2 answers:
melamori03 [73]3 years ago
8 0

THE ANSWER:

A IS THE ANSWER HOPE THIS WORKES

Step-by-step explanation:

Goryan [66]3 years ago
4 0
Answer: the first option! this is because one of the equations, x = y-4, is telling you what x equals. so in order to solve the equation, you need to substitute that into the x in the second equation
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Which of the following are coefficient
malfutka [58]

Answer:

2 and -3

Step-by-step explanation:

because a coefficient is a numerical or constant quantity placed before and multiplying the variable in an algebraic expression (e.g. 4 in 4x).

so in 2x-3y+5, 2 and -3 are the coefficients.

4 0
3 years ago
A motorboat takes 5 hours to travel 200 miles going upstream. The return trip takes 4 hours going downstream. What is the rate o
dsp73

Answer:

rate of motorboat: b

rate of current: c

So the rate the boat travels upstream is $b - c$, and the rate it travels downstream is $b + c$

Step-by-step explanation:

d = rt

200 = (b - c)\cdot 5

200 = (b + c)\cdot 4

b - c = 40

b + c = 50

Adding these equations, we get:

2b = 90

b = 45

So

c = 50 - 45 = 5

<u>Therefore the rate of the boat is 45kph, and the rate of the current is 5kph</u>

Hope this helps :)

4 0
3 years ago
Please help me ASAP!!
raketka [301]
-15u+30
Have a great day! :)
6 0
2 years ago
Read 2 more answers
Use order of operation
Inessa [10]
(6+23)=29
(32-25)=7
(29)x(7)+(7x7)
203+49= 252
the answer is 252
6 0
3 years ago
Please help with this question.
Ann [662]

Answer:

I believe the answer is B

Step-by-step explanation:

PLZ MARK BRAINLIEST

3 0
3 years ago
Read 2 more answers
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