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VashaNatasha [74]
2 years ago
12

What is the perimeter of the triangle? units

Mathematics
1 answer:
dezoksy [38]2 years ago
5 0

Answer:

<h3>40 units</h3><h3 />

Step-by-step explanation:

perimeter = add up all sides

                = 8 + 15 + 17

                = 40 units

see image below

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Solve for x in the equation x squared + 11 x + StartFraction 121 Over 4 EndFraction = StartFraction 125 Over 4 EndFraction.
Ira Lisetskai [31]

Answer:

Below

Step-by-step explanation:

● x^2 + 11x + 121/4 = 125/4

Substract 125/4 from both sides:

● x^2 + 11x + 121/4-125/4= 125/4 -125/4

● x^2 + 11x - (-4/4) = 0

● x^2 +11x -(-1) = 0

● x^2 + 11 x + 1 = 0

This is a quadratic equation so we will use the determinanant (b^2-4ac)

● a = 1

● b = 11

● c = 1

● b^2-4ac = 11^2-4*1*1 = 117

So this equation has two solutions:

● x = (-b -/+ √(b^2-4ac) ) / 2a

● x = (-11 -/+ √(117) ) / 2

● x = (-11 -/+ 3√(13))/ 2

● x = -0.91 or x = -10.9

Round to the nearest unit

● x = -1 or x = -11

The solutions are { -1,-11}

6 0
3 years ago
Read 2 more answers
3x-12y=216 solve for y fully reduced​
Step2247 [10]

3x-12y=216

-3x. -3x

-12y=216-3x

÷-12. ÷-12

Y= -18+1/4x

I think

8 0
2 years ago
Alice and Enrique are jogging on a trail that is 6 1⁄8 miles long. If they take a short break after jogging the first 3 1⁄2 mile
postnew [5]

Answer: 2 5/8 miles


Step-by-step explanation:

Because 6 1/8 - 3 1/2 = 2 5/8, Alice and Enrique will have 2 5/8 miles left to jog after their break.

Hope it helps :)

8 0
2 years ago
PLEAAEEEEEE HELP! CORRECT ANSWER GETS BRAINLIEST URGET!!
Georgia [21]

Answer:

Graph F

Step-by-step explanation:

Given

x + 3 < 7 ( subtract 3 from both sides )

x < 4

Since x is less than 4 then this is indicated by an open circle at 4 on the number line with the arrow pointing to the left as shown on graph F

4 0
3 years ago
The sides of ABC are 30 units, 40 units, and 60 units in length. If the corresponding sides of XYZ are r times as long as the si
Inga [223]
Since each side is r times the side of ABC, then 30*r+40*r+60*r is the perimeter, which equals 130r (by separating it into r*(30+40+60) using the distributive property)
4 0
2 years ago
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