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Alla [95]
4 years ago
10

A hardware store sells light bulbs in different quantities. the graph shows the cost of various quantities. according to the gra

ph, what is the cost of a single lightbulb?

Mathematics
1 answer:
skelet666 [1.2K]4 years ago
3 0

Looking at the two black dots

5 bulbs cost $9

Divide total cost by number of bulbs bought:

9 / 5 = $1.80 per bulb.

10 bulbs cost $18

Divide total cost by number of bulbs bought:

18 / 10 = $1.80 per bulb

The cost for one bulb is $1.80

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Mrs. Stern washed
bekas [8.4K]

Answer:

Mrs. Stern washed more

\frac{7}{20} laundry still needs to be washed.

Step-by-step explanation:

Total amount of laundry: \frac{20}{20}

\frac{20}{20} -\frac{2}{5}-\frac{1}{4} =

\frac{20}{20} - \frac{8}{20} -\frac{5}{20} =

\frac{7}{20} of the laundry still needs to be done.

Mrs. Stern washed \frac{8}{20} of the laundry.

Her son washed \frac{5}{20} of the laundry.

Mrs. Stern washed more laundry than her son.

8 0
3 years ago
In 2010, a city's population was 1,405,233 and it was decreasing at a rate of 1.1%. At this rate when will the city's population
frez [133]
The equation
                                            P(t) = 1405233 * (1 - 0.011)^(t)
models the population at t years after 2010. Then, when P(t) = 1,200,000, we have
                                 1200000 = 1405233 * (0.989)^t
                                  (0.989)^t = 1200000/1405233
                                                t = log(1200000/1405233)/log(0.989)
                                                t = 14.27 years
This means 14.27 years after 2010. Therefore, the answer to this question is 2024.
7 0
3 years ago
My son are standing 20 centimeter from the door .Kose is standing 20 meters from door.who is standing farther from de door
madam [21]
Kose is standing further away
7 0
3 years ago
Find the sum:(x^2+2x+3)+(3x^2+x+1)
Akimi4 [234]
Answer: 4x^2 + 3x + 4
(x^2 + 3x^2) + (2x +x) + 3 + 1
3 0
3 years ago
Analyzing Student Work
Romashka-Z-Leto [24]

Answer: B

Step-by-step explanation:

Edge2020

4 0
3 years ago
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