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qaws [65]
3 years ago
5

8 mi/h= ft/min helppppp

Mathematics
1 answer:
katen-ka-za [31]3 years ago
3 0

Answer:

8

Step-by-step explanation:

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Based on the information given say whether or not △ABC∼△FED. Explain your reasoning.
GalinKa [24]

Answer:

Yes, △ABC ∼ △FED by AA postulate.

Step-by-step explanation:

Given:

Two triangles ABC and FED.

m∠A = m∠B

m∠C = m∠A + 30°

m∠E = m∠F = x

m∠D = 2x-20°.

Now, let m∠A = m∠B = y

So, m∠C = m∠A + 30° = y+30

Now, sum of all interior angles of a triangle is 180°. Therefore,

m∠A + m∠B +  m∠C = 180

y+y+y+30=180\\3y=180-30\\3y=150\\y=\frac{150}{3}=50

Therefore, m∠A = 50°, m∠B = 50° and m∠C =  m∠A + 30° = 50 + 30 = 80°.

Now, consider triangle FED,

m∠D+ m∠E + m∠F = 180

2x-20+x+x=180\\4x=180+20\\4x=200\\x=\frac{200}{4}=50

Therefore,  m∠F = 50°  

m∠E = 50° and  

m∠D =  2x-20=2(50)-20=100-20=80\°

So, both the triangles have congruent corresponding angle measures.

m∠A = m∠F = 50°

m∠B = m∠E = 50°

m∠C = m∠D = 80°

Therefore, the two triangles are similar by AA postulate.

5 0
3 years ago
Evaluate the polynomial when x = 3 and y = - 8<br>x2 + y2 + xy<br>​
Ivahew [28]
<h3>Answer: 49</h3>

Work Shown:

Replace x with 3, replace y with -8. Use order of operations PEMDAS to simplify.

x^2 + y^2 + x*y

3^2 + (-8)^2 + 3*(-8)

9 + 64 - 24

73 - 24

49

5 0
3 years ago
Read 2 more answers
The low temperature for a January day in Atlanta, GA was 8°C. On the same day, the low temperature in Chicago was -4°C and in Ph
nordsb [41]
The correct answer is B.

With negative numbers, the "smaller" the number looks the bigger it is.

-2 is greater than -4.

Positive numbers are greater than negative numbers so we have:

8 > -2 > -4
5 0
3 years ago
Read 2 more answers
ASAPPPPPP!! PLEASE help me!!!!!!!!!!
VashaNatasha [74]
THE ANSWER IS 4pi


The volume of a sphere is calculated using the formula 4pi r^3/3=32pi/3. Solve for r and get r=2. Then plug into the formula for finding the area of a circle A=r^2pi so you get 4pi.
7 0
3 years ago
Factor 4m^4 - 324.
qwelly [4]
It's A. 4 (m^2+9) (m+3) (m-3)
7 0
3 years ago
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