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elena-14-01-66 [18.8K]
3 years ago
14

Select the correct answer.

Mathematics
1 answer:
oee [108]3 years ago
3 0

Answer:

a² + b² = c²

Step-by-step explanation:

Pythagorean theorem: a² + b² = c²

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Right triangle DEF is shown.
KatRina [158]

Answer:


Step-by-step explanation:

b


5 0
3 years ago
What is the scale factor of UVW to XYZ?
n200080 [17]
XZ ~ UW
UV ~ XY
VW ~ YZ

Take any corresponding side and the ratio of it is your answer. 

Example : 

XZ / UW = 14/ 2 = 7
XY / UV = 21 / 3 = 7
YZ / VW = 28 / 4 = 7 

Therefore, your answer is B. 7
3 0
3 years ago
Read 2 more answers
Constructed Response Task
pav-90 [236]

The object takes 12 minutes to land on the ground.

Explanation:

Given that the equation for the object's height s at time t minutes after the launch is s(t)=-16t^2+144t+576

We need to determine the time that it takes for the object to land on the ground.

<u>Time taken:</u>

The time t of an object can be determined by substituting s(t)=0

Thus, we have,

0=-16t^2+144t+576

Switch sides,

Thus, we get,

-16 t^{2}+144 t+576=0

Let us solve the equation using the quadratic formula.

t=\frac{-144 \pm \sqrt{144^{2}-4(-16) 576}}{2(-16)}

t=\frac{-144 \pm \sqrt{20736+36824}}{-32}

t=\frac{-144 \pm \sqrt{57600}}{-32}

t=\frac{-144 \pm 240}{-32}

Thus, the values of t are t=\frac{-144 + 240}{-32} and t=\frac{-144 -240}{-32}

Simplifying, we get,

t=\frac{96}{-32} and t=\frac{-384}{-32}

t=-3  and t=12

Since, the value of t cannot be negative, then t=12

Thus, the object takes 12 minutes to land on the ground.

7 0
3 years ago
Write a money problem you can solve using sharing, joining, or separating
slavikrds [6]

Answer:

Jonny have 100 dollars and he gave his 2 friend's $20 how much does he have left?

Step-by-step explanation:

100-40=60

Jonny has 60 dollars left

6 0
2 years ago
Gianna just started a running plan where she runs 20 miles the first week and then increases the number of miles she runs by 5%
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I think it increased 56% in two weeks
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2 years ago
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