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diamong [38]
3 years ago
15

Please help me solve

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0
CL ≈ AE and HG≈ZR and ∠L≈∠E as both triangles are isosceles so CL=HL and AE=EZ
so HL≈AE≈ZR≈EZ so according to side angle side ΔCLH andΔ AZE both are congruent so side CH≈AZ
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13.6% complete This is a Single Choice Question; skip ahead to question content A B C D E Confirm Difficulty Level: Moderate Som
Veronika [31]

Answer

about 4 hours and 20 minutes

Step-by-step explanation:

200 divided by 60 is 3.33 or 3 hours and 20 minutes, plus the extra hour

8 0
3 years ago
There are 32 students in a class. Of the class, 3/8 of the students bring their own lunches. How many students bring their lunch
OverLord2011 [107]

Answer:

The number of students that bring their lunches is 12        

Step-by-step explanation:

Let

x -----> the number of students that bring their lunches

y -----> the total number of students in a class

we know that

The number of students that bring their lunches divided by  the total number of students in a class must be equal to 3/8

\frac{x}{y}=\frac{3}{8}

x=\frac{3}{8}y  -----> equation A

y=32 -----> equation B

substitute the value of y in equation A and solve for x

x=\frac{3}{8}(32)

x=12

therefore

The number of students that bring their lunches is 12

6 0
3 years ago
Yesterday, Janie walked 3/5 mile to a friend’s house, 1/4 mile to the store, and 3/8 mile to another friend’s house. Which is th
Snezhnost [94]

Answer:

Answer is ten miles

3 0
3 years ago
The perimeter of the semicircle is 25.71 cm. Calculate the value of radius x. Take pi to be 3.142
yan [13]

Answer:

5 cm

Step-by-step explanation:

Perimeter of semicircle =  \frac{1}{2}  \times 2\pi \: x +2x\\ 25.71 = 3.14 2\times x+ 2x\\ 25.71 = 5.14 2 x\\ x =  \frac{25.71}{5.142}  \\ x = 5  \: cm

5 0
3 years ago
Can someone please help me with 7 and 8
myrzilka [38]
7) So when x=6 then z=72, they are directly proportional, so if I multiply the first with a number, then I have to multiply the second with the same number.
6 becomes 13 (x)  /multiplied with about 2.167/
72 becomes 156(y) /multiplied with about 2.167/

8) Inversely proportional, so if I multiply the first with a number, then I have to divide the second with the same number.
6 becomes 13 (x)
2 becomes ~0.92307(y) /round it to the thousandths place and you get 0.923/

5 0
3 years ago
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