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Vladimir [108]
3 years ago
12

Identify the solution of each equation from the list given H+19=56,36,37,38

Mathematics
1 answer:
Whitepunk [10]3 years ago
8 0
H+19=56\ \ \ \ |subtract\ 19\ from\ both\ sides\\\\\boxed{H=37}
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In one month, Juan worked 5 more hours than Carlito. Sara worked 3 times as many hours as Juan. Altogether they worked 80 hours
tamaranim1 [39]

Answer:

The answer to your question is  a) C + J + S = 80

                                                     b) C = J + 5

                                                      c) S = 45 hours

Step-by-step explanation:

a) To represent the number of hours that they work together, just add the variables and equal them to 80.

            Carlito  +  Juan  +  Sara  = 80

               C + J + S = 80                                 Equation l

b) Juan worked 5 hours more than Carlito

              Juan = Carlito + 5

                  J = C  + 5                                     Equation ll

c) Hours worked by Sara

                  S = 3J                                          Equation lll

                  C = J - 5

Substitute equation ll and lll in equation l to find J

                J - 5 + J + 3J = 80

                5J = 80 - 5

                5J = 75

                  J = 75/5

                  J = 15

-Find S

                S = 3(15)

                S = 45 hours

3 0
4 years ago
Read 2 more answers
2. 2(x+1.25) = 3.5
dangina [55]

Answer:

x = 0.5

Step-by-step explanation:

Given

2(x + 1.25) = 3.5 ← divide both sides by 2

x + 1.25 = 1.75 ( subtract 1.25 from both sides )

x = 0.5

8 0
4 years ago
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Algebra method 5+2b=13
Rus_ich [418]

Answer:

The solution to the algebra equation is 4.

Step-by-step explanation:

We are given the equation 5+2b=13. We need to isolate the variable.

First, use subtraction property of equality and subtract 5 from both sides of the equation.

Thus, 2b=8

Now, use division property of equality and divide both sides of the equation by 2.

All things put into consideration, the solution to the algebra equation is 4.

I hope this helped!!

~ Penny

4 0
3 years ago
Rational numbers can
svet-max [94.6K]

Answer:

4/2 45/63

Step-by-step explanation:

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3 years ago
Find two complex numbers whose sum is 12 and whose product is 37.​
jeka57 [31]

Answer:

6 ± i and 6 ± i

Step-by-step explanation:

Let x be the first number.

Let y be the second number.

x + y = 12

x × y = 37

Solve for x in the first equation.

x = 12 - y

Put x as 12-y in the second equation and solve for y.

(12- y)y = 37

12y - y² = 37

- y² + 12y - 37 = 0

y = 6 ± i

Put y as 6 ± i in the first equation and solve for x.

x + 6 ± i = 12

x = 12 - 6 ± i

x = 6 ± i

8 0
4 years ago
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