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Brilliant_brown [7]
3 years ago
5

Options:

Mathematics
1 answer:
makvit [3.9K]3 years ago
3 0
Option A. The scores on the quiz for class a have more variability than the scores for class b
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A taxi service charges $4.50 to pick someone up and then $0.75 per mile during the ride.
Umnica [9.8K]
Part A : y=$0.75m+$4.50
Part B : $8.25
8 0
3 years ago
A 91 square foot bathroom has a length of 13 feet. what is the width of the bathroom
Radda [10]
<span>The answer is 7 ft. The bathroom has rectangular shape. The area (A) of a rectangle is the product of the width (w) and length (l): A = w * h. The bathroom is rectangular. We know that A = 91 ft^2 and l = 13 ft. Let's substitute them in the formula for the area: 91 ft^2 = w * 13 ft. w = 91 ft^2 : 13 ft. w = 7 ft. The width of the bathroom is 7 ft.Hope this helps. Let me know if you need additional help!</span>
5 0
3 years ago
Read 2 more answers
At a bake sale, as student spent $11.00 buying 3 brownies and 5 cookies. His friend spent $3.95 buying 1 brownie and 2 cookies.
dybincka [34]

Answer:

$2.25

Step-by-step explanation:

Let "b" be the price of 1 brownie and "c" the price of 1 cookie.

At a bake sale, a student spent $11.00 buying 3 brownies and 5 cookies. Symbolicaly,

3 b + 5 c = 11.00   [1]

His friend spent $3.95 buying 1 brownie and 2 cookies. Symbolicaly,

1 b + 2 c = 3.95

b = 3.95 - 2c   [2]

If we replace [2] in [1], we get

3 (3.95 - 2c) + 5 c = 11.00

11.85 - 6c + 5c = 11.00

c = 0.85

If we replace c = 0.85 in [2], we get

b = 3.95 - 2 (0.85) = 2.25

8 0
3 years ago
In the first three days of its launch, the Galaxy Music Store sold 14 CDs of album x, 8 of album y, and 6 of album z through Bra
WARRIOR [948]
The price of album y is $5.80. I solved the system of equations of B and C. Getting rid of the variable z, I was able to get rid of x next. Solving this system gave me $5.80 without having to substitute into the other equation.
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3 years ago
Charlie runs ata speed of 3 yards per second. about how many miles per hour does charlie run?
DochEvi [55]

(3 yard/sec) x (3,600 sec/hr) x (1 mile / 1,760 yard) =

   (3 x 3,600 / 1,760)  (mile/hour)  =  6.136... mph (rounded)

8 0
3 years ago
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