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Lorico [155]
3 years ago
9

8. The 1st student flipped a fair coin 7 times

Mathematics
1 answer:
REY [17]3 years ago
4 0
My guess is he gets heads about half the time
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Parallelogram PARL is similar to parallelogram WXYZ. If AP = 15, PL = 40, and WZ = 120, find the value of c .50 110 6 45
vova2212 [387]

Answer:

Option D. c = 45 will be the answer.

Step-by-step explanation:

In the figure attached there are two similar parallelograms PARL and WXYZ.

In which AP = 15, PL = 40, WZ = 120 and WX = c

By the property of similarity, corresponding sides of the given parallelograms will be in the same ratio.

\frac{PL}{WZ}=\frac{PA}{WX}

\frac{40}{120}=\frac{15}{c}

c = \frac{15\times 120}{40} [By cross multiplication]

c = 45

Therefore, Option D. c = 45 will be the answer.

4 0
3 years ago
Solve the system.<br> 3x + 4y = 7<br> 2x-y=1<br> What does x and y equal
emmainna [20.7K]

Answer:

x=1 y=1

Step-by-step explanation:

Let's use the elimination method.
3x+4y=7
2x-y = 1 (multiply both sides by 4)
8x-4y=4
3x+4y=7

(add both equations together)
11x=11
x=1
Plug x=1 into either of the equations
2(1) - y=1
2-y=1
2=1+y
y=1

5 0
2 years ago
What type of proportion is shown in 12 : 4 = 24 : 8?​
Dmitry [639]

Answer:

3:1

Step-by-step explanation:

7 0
3 years ago
37.06 - (-26) +34.67
maxonik [38]

Answer:

97.73

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Three less than the product of 6 and a number is 45. What is the number?
strojnjashka [21]

Answer: 8

Step-by-step explanation:

6x-3=45

6x=48

x=8

5 0
2 years ago
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