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Elza [17]
3 years ago
8

The perimeter of a triangle is 7a-11b . If two of its sides are 2a+b and a-9b, what is the third side?

Mathematics
1 answer:
Masteriza [31]3 years ago
5 0

Answer:

4a plus or minus 1b

Step-by-step explanation:

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Please help! I’m not sure how what this is called please help! Will mark right answer as brainliest
djyliett [7]

Answer:

\frac{7}{3}  or  2 \frac{1}{3}

Step-by-step explanation:

entered it into my calculator

5 0
4 years ago
What is the equation of the line, in slope-intercept form, that passes through (3, -1) and (-1, 5)? y = -3/2x+7/2 2y = -3x + 7 2
SOVA2 [1]

Answer:

The equation of the line would be y = -3/2x + 7/2

Step-by-step explanation:

In order to find this, we must first use the slope formula with the two point to find the slope.

m(slope) = (y2 - y1)/(x2 - x1)

m = (5 - -1)/(-1 - 3)

m = 6/-4

m = -3/2

Now that we have the slope, we can use that and either point in point-slope form. Then we solve for y.

y - y1 = m(x - x1)

y + 1 = -3/2(x - 3)

y + 1 = -3/2x + 9/2

y = -3/2x + 7/2

3 0
3 years ago
It might be D but i dont know
FrozenT [24]

Answer:

I'm sorry I don't have answer but.

it's not C!

8 0
2 years ago
What is the square footage of a area 20 feet by 50 feet
Westkost [7]
The footage is 1000 square footage
5 0
3 years ago
Read 2 more answers
(10-1)(10-2)(10-3)(10-10)
Goryan [66]

Answer:

0

Step-by-step explanation:

(10-1=9)(10-2=8)(10-3=7)(10-10=0)

9*8*7*0=0

6 0
3 years ago
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