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lord [1]
3 years ago
15

The model shown represents which of the following?

Mathematics
1 answer:
Pepsi [2]3 years ago
3 0

Answer:

the answer is option four D. -8 + 3

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If 4 electricians can wire some new houses in 20 days, how many electricians would be required to do the job in 10 days?
abruzzese [7]

Answer:

2

Step-by-step explanation:

20/2 = 10

4/2 = 2

8 0
3 years ago
the relationship between altitude and the boiling point is linear.AT an altitude of  8300ft 8300 ft , the liquid 
mojhsa [17]

Complete Question

The  relationship  between  altitude  and  the  boiling  point  is  linear. At  an  altitude  of   8300ft, the  liquid  boils  at   194.23 °  F

At  an  altitude  of   4200 ft ,  the  liquid  boils  at   202.02° F.

Write  an  equation  giving  the  boiling  point   b  of  the  liquid,  in  terms  of  altitude  a  in   feet . feet . What  is  the  boiling  point  of  the  liquid  at   2600ft

Answer:

The equation is  y  =  -0.001943x + 210.3569

At  2600ft  the temperature is  y  =  205.3051 \  °F

Step-by-step explanation:

From the question we are told that

    The temperature at 8300ft is 194.23 °  F

    The  temperature at 4200 ft is 202.02° F

Generally the slope for this relationship is mathematically represented as

      m  =  \frac{ 202.2 - 194.23}{ 4200 - 8300}

=>     m  = 0.001943  ^o  F / ft  

Generally the according to the point slope formula is

      y - y_1  =  m(x -x_1 )

=>   y - 194.23 =  -0.001943 (x - 8300 )

=>  y - 194.23 =  -0.001943x + 16.1269

=>  y  =  -0.001943x + 210.3569

Now we are given from the question that   x =  2600 ft

Then  

         y  =  -0.001943(2600) + 210.3569

=>      y  =  205.3051 \  °F

   

5 0
4 years ago
Two trains leave towns 1490 kilometers apart at the same time and travel toward each other. One train travels 20 km/h slower tha
Fynjy0 [20]

Answer:

  rate 1. 50 2. 56

Step-by-step explanation:

if you graph them all together.

5 0
3 years ago
RILEY EARNED $450 MOWING LAWNS. HE DEPOSITS $75 IN THE BANK. HOW MUCH $$$ DOES RILEY HAVE LET OVER TO SPEND?
Lelechka [254]

Answer:

375

Step-by-step explanation:

450-75=375

6 0
3 years ago
Read 2 more answers
The scatter plot shows how the cooking time for a beef roast is related to its weight. Which statement is NOT supported by the t
Kisachek [45]

Answer:

the statement that is not supported by the trend in the scatter plot is d) each additional pound adds about one hour of cooking time.

7 0
4 years ago
Read 2 more answers
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