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I am Lyosha [343]
3 years ago
7

Write the point-slope form of the equation for a line that passes through (–1, 4) with a slope of 2

Mathematics
2 answers:
lozanna [386]3 years ago
4 0
Point slope form: y-y_{1}=m(x-x_{1})
Answer: y-4=2(x+1)
Amanda [17]3 years ago
3 0
Point slope formula: y - y1 = m(x - x1) where m = slope.
Plug in values: 
y - 4 = 2(x + 1) <--------------- Point slope form
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2x-2y= 14 standard to slope and intercept form
valina [46]

Answer:

hhhci

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Find two consecutive even integers whose product is 288
Trava [24]
So I’m going to solve this using algebra OK?
So what you do is take the first integer as X.
Then we know that x(the first number) + X+2(the second number) is 288 right?
So we solve that saying x+x+2=288.
So 2X+2=288
2X+2-2=288-2 right?
So 2X=286.
So x is 286/2 right?
So x is 143.
Now the first number is 143 right?
So the second number should be 143+2 so 145.
I know they are not even but these are the solutions.
I don’t think there are any consecutive even numbers that add up to 288
6 0
3 years ago
HELP!!!!!!!!! I’m almost done
balandron [24]

Alright, we're in the home stretch here :) All you need to remember is that i² = -1. Otherwise, it is the same as FOIL


(3-2i)(1+7i)

3-2i+21i-14i² ← Replace the i² with -1, then simplify like numbers

3+19i+14

17+19i or C

8 0
3 years ago
Answer this question, i need help
ivann1987 [24]

Answer:

1/2

This is the correct answer

7 0
2 years ago
4. Suppose that you have an enormous grapefruit that is 92% water (by weight). The grapefruit weights 100 pounds. If the water c
Anton [14]

Answer:

80 pounds.

Step-by-step explanation:

Let W₁ be the initial weight of water in the grapefruit, W₂ be the weight of water in the grapefruit after evaporation, and M be the total weight of the grapefruit after evaporation. Assuming that, originally, the grapefruit weighed 100 pounds with a 92% water content and the weight of the "non-water" part of the fruit (100 - W₁) does not change. The final weight of the grapefruit (M) is given by:

W_1=0.92*100=92\\W_2=0.90*M\\W_2+(100-W_1) = M\\W_2=M-8\\(1-0.9)M=8\\M=80

The grapefruit now weighs 80 pounds.

8 0
3 years ago
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