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3 years ago

9

Ms. Rogers asked 15 piano students how many hours of practice they put in each week. The list shows the data she recorded.

1 answer:

topjm [15]3 years ago

6 0

Answer:

D

Step-by-step explanation:

A student that goes to class can not put 10 hours of practice per day.

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Rectangle ABCD is similar to rectangle QRST. The width of ABCD is 5 inches and the length is 8 inches. If the length of QRST is

omeli [17]

Answer: 7.5

Form your proportion. Let x be the width of QRST.

Length of ABCD Length of QRST
----------------------- = -------------------------
Width of ABCD Width of QRST

8/5 = 12/x

Solve for x by cross-multiplying.
(8)(x) = (12)(5)
8x = 60
x = 7.5

8 0

3 years ago

Find the missing lengths of the sides.

Irina18 [472]

Answer:

The choice third ; a=9 , c= 18

Step-by-step explanation:

$\sin(60) = \frac{9 \sqrt{3} }{c} \\ \\ c = 18$

$\tan(30) = \frac{a}{9 \sqrt{3} } \\ \\ a = 9$

3 0

2 years ago

Two less than three times a number is the same as six more than twice the number. Write an equation and solve to find the number

lapo4ka [179]

Answer: 8

Step-by-step explanation:

Let the number be represented by x.

Two less than three times a number is the same as six more than twice the number. This will be:

(3 × x) - 2 = (2 × x) + 6

3x - 2 = 2x + 6

Collect like terms.

3x - 2x = 6 + 2

x = 8.

The number is 8

8 0

3 years ago

If you earn 8 dollars and hour after taxes are taken out of your paycheck and insurance is 200 dollars a month how many hours mu

Luda [366]

To make $200 a month with a 8 dollars p/h salary AFTER taxes. The simple math would just be 200/8 which would equal 25. Hope this helped!

4 0

3 years ago

Please I’m begging for someone to help me!!

inysia [295]

W=y (opposite angles are equal)
z=x (opposite angles are equal)
Y= 35
Z= 55
X= 55
S= 35
U= 35
V= 55
T= 55

5 0

3 years ago