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navik [9.2K]
3 years ago
15

Who is known for inventing the telephone?

Mathematics
1 answer:
solmaris [256]3 years ago
4 0

Answer:

D

Step-by-step explanation:

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Find three consecutive odd integers so that the product of the second and third integer is 63
Doss [256]
<span>product of the second and third integer is 63
63=3*3*7
or
63=7*9 These are two consecutive integers.
We need three integers and the first one is missing so the solution:
5-7-9

</span>
4 0
3 years ago
Susan is looking to hire a cleaning company to clean her house every week. One cleaning company's cost can be calculated by the
kirill [66]

Answer:

<h3>A. 1 hour</h3>

Step-by-step explanation:

If one cleaning company's cost can be calculated by the expression 75 + 50x, where x is the amount of hours they spend cleaning and another cleaning company's cost can be calculated using the expression 50 + 75x, then to calculate how long each company will have to clean to cost the same amount, we will equate both expression of the company cost and solve for x as shown;

On equating:

75 + 50x,  =  75x + 50

collect like terms'

50x-75x = 50-75

-25x = -25

divide both sides by -25

-25x/-25 = -25/-25

x = 1

hence the number of hours each company will have to clean to cost the same amount is 1 hour

3 0
3 years ago
Hi can someone help me with this
WINSTONCH [101]

Answer:

86 degrees

Step-by-step explanation:

180 - (74 + 20) = 86

5 0
2 years ago
The number of bus riders was recorded on one route. The data have these values: minimum = 18, lower quartile = 22, median = 26,
Ber [7]

Answer: A

Step-by-step explanation: Because I got it wrong and it said it said it was A

4 0
3 years ago
Read 2 more answers
On a math quiz, Tina scored 5 less points than Ben. Juan scored
kumpel [21]

Answer:

a) t=b-5 b) j=b+3+2

Step-by-step explanation:

t is tina, we don't know how much Ben scored so we use b, then subtract 5 because tina got 5 less. same thing for Juan but we add the 3 points he got more than Ben and the 2 extra credit points

7 0
3 years ago
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