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expeople1 [14]
3 years ago
10

Please help fast!!!

Mathematics
2 answers:
N76 [4]3 years ago
5 0

Answer:

Top left. middle right. I'm on the question right now.

Step-by-step explanation:

o-na [289]3 years ago
4 0

Answer:

  • y = -x + 7, intercept is 7
  • y = -4x + 3, intercept is 3

Explanation:

  • The y-intercept is the y when the line crosses y axis
  • The intercept of our line is 2
  • To find the y intercept in an equation, make the x = 0 and solve eg
  • y=-x+7\\y=-(0)+7\\y=7

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Show your work, simple translations. Will give 5 star, brainliest, and a like on your answer.
fgiga [73]
G=2,0 I have notes
If u want I can explain
4 0
2 years ago
Write an expression for each phrase
Svetradugi [14.3K]

1. 9 + k - 19

2. 6.7n

3. 37t - 9.85

5. 15 + \frac{60}{w}

6. 7 - 3v

7. 5m - \frac{t}{7}

8. \frac{p}{14} + \frac{q}{3}

9. 8 - 9r

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2 years ago
What is the correct order of statements and reasons to complete the proof? help please
Rufina [12.5K]
The answer will be A due to them being on opposite sides with the triangle having adjacent measures so both of those angles given provide the same measure
4 0
2 years ago
Read 2 more answers
This equation has one soulution 5(x-1)+3x=7(x+1) what is the soulution
Aloiza [94]

Answer:

X=6

Step-by-step explanation:

5(x-1)+3x=7(x+1)

5x-5+3x=7x+1

8x-5=7x+1

8x-7x=1+5

X=6

So the answer is X=6

7 0
3 years ago
A motorboat travels 165 kilometers in 3 hours going upstream and 510 kilometers in 6 hours going downstream. What is the rate of
nikitadnepr [17]
<h3>Rate of the boat in still water is 70 km/hr and rate of the current is 15 km/hr</h3><h3><u>Solution:</u></h3>

Given that,

A motorboat travels 165 kilometers in 3 hours going upstream and 510 kilometers in 6 hours going downstream

Therefore,

Upstream distance = 165 km

Upstream time = 3 hours

<h3><u>Find upstream speed:</u></h3>

speed = \frac{distance}{time}\\\\speed = \frac{165}{3}\\\\speed = 55

Thus upstream speed is 55 km per hour

Downstream distance = 510 km

Downstream time = 6 hours

<h3><u>Find downstream speed:</u></h3>

speed = \frac{510}{6}\\\\speed = 85

Thus downstream speed is 85 km per hour

<em><u>If the speed of a boat in still water is u km/hr and the speed of the stream is v km/hr, then</u></em>

Speed downstream = u + v km/hr

Speed upstream = u - v km/hr

Therefore,

u + v = 85 ----- eqn 1

u - v = 55 ----- eqn 2

Solve both

Add them

u + v + u - v = 85 + 55

2u = 140

u = 70

<em><u>Substitute u = 70 in eqn 1</u></em>

70 + v = 85

v = 85 - 70

v = 15

Thus rate of the boat in still water is 70 km/hr and rate of the current is 15 km/hr

3 0
3 years ago
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