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2 years ago

8 . y = 3x - 2 m= b=

Mathematics

2 answers:

yan [13]2 years ago

5 0

Answer:

m is 3 since it's the slope and b is -2 since its the y-intercept

Step-by-step explanation:

the formula is y=mx+b so 3 is in the m spot and -2 is in the b spot.

Leviafan [203]2 years ago

5 0

Answer: m = 3 , b = -2

Step-by-step explanation:

y = 3x - 2, we found out m and b by using the form y = mx + b, where m is the number in front of x.

Therefore we found out that m is 3, b is -2.

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You are playing a card game with friends. at one point. you double your score. in the next hand you lose 75 points. you end up w

Gnoma [55]

Answer:

i) x points; ii) 2x - 75 = -25; iii) x = 25

Step-by-step explanation:

i) Starting points

Let's say you had x points before doubling your score.

(ii) The equation

After doubling score: 2x points

After losing 75 points: (2x - 75) points

At end of game: -25 points

The equation is

2x - 75 = -25

iii) Solution to equation

2x - 75 = -25 Add 75 to each side

2x = 50 Divide each side by 2

x = 25

3 0

3 years ago

The eurasian plate travels the slowest, at about 0.7 cm/y. How long would it take the plate to travel 3 cm?

damaskus [11]

Simply divide 3 by 0.7,

$3 \div 0.7 = \frac{30}{7} = 4 \frac{2}{7}$

Or ≈ 4.28571 which is ≈ 4 years.

5 0

2 years ago

How to solve 4n²-3n-7=0

almond37 [142]

$4n^2-3n-7=0\\ \\ a=4, \ \ b=-3 \ \ c=-7\\ \\ \Delta = b^{2}-4ac = (-3)^{2}-4*4* (-7)= 9+112=121$

$x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{ 3-\sqrt{ 121}}{2*4}=\frac{ 3-11}{8}= \frac{-8 }{ 8}=-1 \\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{ 3+\sqrt{ 121}}{2*4}=\frac{ 3+11}{8}= \frac{14 }{ 8}= \frac{7}{4}=1\frac{3}{4}$

4 0

2 years ago

Read 2 more answers

I need help in this .each unit costs 14p.how much do 942 units costs?

ValentinkaMS [17]

Answer:

If each unit costs 14 (p?), then 942 units will cost 13,188.

Step-by-step explanation:

942 times 14 is 13,188

6 0

2 years ago

What is the area of a trapezoid that has base lengths of 17 inches and 25 inches and a height of 14 inches?

gulaghasi [49]

Answer:

294

Step-by-step explanation:

4 0

2 years ago