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Natalka [10]
2 years ago
8

Hello I would be very happy if you could solve this for me. Please help me.

Mathematics
2 answers:
nevsk [136]2 years ago
8 0
2 is 35
I’ll answer 1 in a second
alukav5142 [94]2 years ago
7 0

Answer:

Ali has travelled 30 miles and

Raphael has travelled 35 miles in 1 hour

Step-by-step explanation:

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Write an equation of the line that passes through the point (–1, 4) with slope 2. A. y+1=−2(x−4) B. y+1=2(x−4) C. y−4=2(x+1) D.
In-s [12.5K]

Answer:

y-4=2\,(x+1)

which agrees with answer C in your list of possible answers.

Step-by-step explanation:

We can use the general point-slope form of a line of slope m and going through the point (x_0, y_0):

y-y_0=m(x-x_0)

which in our case, given the info on the slope (2) and the point (-1, 4) becomes:

y-y_0=m\,(x-x_0)\\y-4=2\,(x-(-1))\\y-4=2\,(x+1)

6 0
3 years ago
What is the equation of a horizontal line that has a y-intercept of 3.5?
beks73 [17]
First, recall that the equation of a line is

y = mx+b

where 

m = slope
b = y-int

The key to this question is the details :

Horizontal line ---> This tells you that your slope is 0

y-int = 3.5 -----> In the equation above, b=3.5

Therefore,

y = 0x + 3.5
y = 0 + 3.5
y = 3.5
4 0
3 years ago
1. When you multiply an equation by a value, are you changing the solutions of that equation? Explain. 44 POINTS!! ​
jolli1 [7]

Answer: Yes. When you solve your equations, you're solutions will change a little bit. It's good because it'll give you the right answer.

I hope this helps you and I hope it's right. ☺

3 0
3 years ago
F(x) = x + 3<br> g(x) = 2x2 - 4<br> Find (f ·g)(x)
-BARSIC- [3]

Step-by-step explanation:

it will be answer B

2x^3+6x^2-4x-12

6 0
3 years ago
Read 2 more answers
Because of the rainy season, the depth in a pond increases 3% each week. Before the rainy season started, the pond was 10 feet d
Tanzania [10]
I believe it's D
r has to be 1.03
4 0
3 years ago
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