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DedPeter [7]
3 years ago
10

What is the expression

Mathematics
1 answer:
timofeeve [1]3 years ago
7 0
-9r^2-2r+r^2+r=(-9r^2+r^2)+(-2r+r)=-8r^2-r\to B.
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A lab orders a shipment of 100 rats a week for experiments that the lab conducts. Prices for each weekly shipment of rats follow
Korolek [52]

Answer:

Therefore, the budget is 656.76$.

Step-by-step explanation:

We know that a lab orders a shipment of 100 rats a week for experiments that the lab conducts. Suppose the mean cost of the rats turned out to be $ 12.63 per week. We calculate budget of a lab for the next year's.

We know that 1 year have 52 weeks. We get

52 · 12.63 = 656.76

Therefore, the budget is 656.76$.

4 0
3 years ago
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Bill and his friends went to red robin. Their order consisted of 2 hamburgers to $5.49 each, a chicken sandwich for $6.25, an or
Dvinal [7]

Answer:

47.27

Step-by-step explanation:

5.49+5.49+6.25+12.99+1.75+1.75+1.75+1.75=37.22

37.22×.20 for tip=7.44

37.22×.07 for tax=2.61

37.22+7.44+2.61=47.27

6 0
3 years ago
Read 2 more answers
How do I do this Ill give brainly
RoseWind [281]

Answer:

16%

Step-by-step explanation:

so you already know 35% like both and 17% like apples and 32% like neither

add those and get 84. we know that the percent is over 100 . So far you have 84% meaning there is only 16% left . Therefore 16% like bananas

7 0
2 years ago
In the xy-coordinate plane shown, line L passes through point C and has a slope of -2. A dilation of line {with center A and a s
masya89 [10]

Answer:

C' (-4 , 2)

slope of new line = line "L" = -2

Step-by-step explanation:

C (x₀,y₀): (0,2)    dilation center (h,k): (2,2)     scale factor (sf): 3

C' (x,y)

x = 2 + 3*(0-2) = -4            x = h + sf*(x₀ - h)

y = 2 + 3*(2-2) = 2             y = k + sf*(y₀ - k)

C' (-4 , 2)

slope of new line = line "L" = -2

8 0
2 years ago
Multiply 2000,0.8,100,3,8 and then divide it by 6.
lisabon 2012 [21]

The answer is 64,000 hope this helped ☺

5 0
3 years ago
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