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storchak [24]
3 years ago
7

8. It took Lisa 20 minutes to change 2 tires on a car. If she works at the same rate,

Mathematics
1 answer:
Ad libitum [116K]3 years ago
8 0

Answer:

40 minutes

Step-by-step explanation:

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How do I factor this? <br> 5x^2y+45x^3y^2
ruslelena [56]

Answer:

5 x^2 y (9 x y + 1)

Step-by-step explanation:

Factor the following:

45 x^3 y^2 + 5 x^2 y

Factor common terms out of 45 x^3 y^2 + 5 x^2 y.

Factor 5 x^2 y out of 45 x^3 y^2 + 5 x^2 y:

Answer: 5 x^2 y (9 x y + 1)

8 0
2 years ago
Solve for substitution 8x+2y=13 and 4x+y=11
damaskus [11]
Solving for X:
1) y=-8x+6.5   y=-4x+11
2) -8x+6.5=-4x+11
3) -8x=-4x+11-6.5        (Subtract 6.5 from both sides)
4) -8x+4x=11-6.5         (Add 4x to both sides)
5)-4x=4.5
5)x=-1.125

Solving for Y:
y=-8(-1.125)+6.5
y=9+6.5
y=15.5

y=-4(-1.125)+11
y=4.5+11
y=15.5

x=-1.125
y=15.5
or
(-1.125,15.5)
7 0
4 years ago
What is the probability that a customer ordered a medium given that he or she ordered a hot drink?
levacccp [35]
48/75 = 0,64 and they want a percentage so 64%
3 0
3 years ago
Read 2 more answers
Mr. Quick bought a new computer system. The regular price was $1580, but he got 40% off. What is the discount
denpristay [2]

Answer: The discounted price is $948. The value of the discount itself is $632.

Step-by-step explanation:

<h3>To calculate discounts, you multiply the percentage of the discount as a decimal with the price of the product.

In this particular case:

0.40 [percentage of discount] x $1580 [original cost] = $632 (the amount of the discount) </h3><h3>$1580 - $632 = $698 [new price after discount is applied]</h3>
4 0
2 years ago
At lunchtime, a cafeteria served a total of 3/8 of a pot of chicken soup and 7/8 of a pot of
Effectus [21]
Answer:

1 1/4

reason:

add 7/8 and 3/8 to get 10/8
this can be simplified to 1 2/8
simplify 2/8 to 1/4 to get the final answer, 1 1/4
7 0
3 years ago
Read 2 more answers
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