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azamat
3 years ago
14

Please help me i'm confused

Mathematics
1 answer:
UNO [17]3 years ago
7 0
So this is area and perimeter. you have to add and subtract
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what is an equation in slope intercept form for the line that passes through the points (1,-3) and (3,1)
Ede4ka [16]
Y=2x-5.
I found the slope using the formula m=y2-y1/x2-x1.
m=-3-1/1-3=-4/-2=2.

I used (3,1) (only use one point, your choice) to find out b. 3=x, 1=y.
y=mx+b is the formula for slope intercept equations, so I plugged in the x and y.
1=2(3)+b; 1=6+b, subtract 6 on both sides and get -5=b.
I used the information to get y=2x-5.
Hope this isn’t too confusing! :)
6 0
3 years ago
Maggie's brother is 3 years younger than four times her age. The sum of their ages is 62. How old is Maggie? Maggie is years old
Nadusha1986 [10]

Answer:

Maggie is 13 years old.

Step-by-step explanation:

1M + 1B = 62

rearrange to get:

1B = 62 - 1M

4M - 3 = 1B

substitute B with 62 - 1M so there is only one variable. this gives:

4M - 3 = 62 - 1M

Get all the variables on one side:

4M + 1M - 3 = 62

Get all non variables on the other side:

4M + 1M = 62 + 3

simplify:

5M = 65

Divide both sides by 5 to get the M by itself:

M = 13.

BONUS:

M + B = 62

B = 49

So her brother is 49 years old.

Maggie is 13 years old.

5 0
3 years ago
Given: 3x + y = 1<br> Solve for y.<br> A. y=-3x + 1<br> B. y=-3x - 1<br> C. y= 3x - 1
g100num [7]
The answer is c. y=3x -1
7 0
3 years ago
Arrange the digits 1-9 in the 9 boxes to make three equivalent fractions,all equal to 1/2
ElenaW [278]
I'm confused because there are no boxes, but maybe 2/4 3/6 5/10
4 0
3 years ago
Make a factor tree for 24
Flura [38]
24 = 2 x 12, 24 = 8 x 3, 24 = 6 x 4, draw factor trees that all show 24 = 2 x 2 x 2 x 3 at the end.

Pls give me a brainliest if this helped thx
3 0
2 years ago
Read 2 more answers
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