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Elodia [21]
3 years ago
6

If y=2x+3 find the value of y when x=5

Mathematics
2 answers:
Alex73 [517]3 years ago
8 0
Y is 13 when you solve the problem
kirill115 [55]3 years ago
5 0
Fill in the value:
y = 2 · 5 + 3
y = 10 + 3
y = 13

The answer is 13 :)

Hope this helped! If you have anymore questions or don't understand, please comment on my profile or DM me. :)
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Type the integer that makes the following addition sentence true: -5 + _ = -19
brilliants [131]

Answer:

-14

Step-by-step explanation:


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3 years ago
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Are these ratios equivalent?<br> 1 teacher to 9 students<br> 5 teachers to 45 students
IrinaVladis [17]

Answer: yes the ratios 1:9 and 5:45 are equivalent.

Step-by-step explanation:

1:9*5:5=5:45

U got any more math questions that I can answer? I’m really bored and I have to stay busy!

3 0
3 years ago
The number of kilograms of water in a human body varies directly as the mass of the body. An 87​-kg person contains 58 kg of wat
katen-ka-za [31]

Answer:

50 kg water.

Step-by-step explanation:

We have been given that the number of kilograms of water in a human body varies directly as the mass of the body.

We know that two directly proportional quantities are in form y=kx, where y varies directly with x and k is constant of variation.

We are told that an 87​-kg person contains 58 kg of water. We can represent this information in an equation as:

58=k\cdot 87

Let us find the constant of variation as:

\frac{58}{87}=\frac{k\cdot 87}{87}

\frac{29*2}{29*3}=k

\frac{2}{3}=k

The equation y=\frac{2}{3}x represents the relation between water (y) in a human body with respect to mass of the body (x).

To find the amount of water in a 75-kg person, we will substitute x=75 in our given equation and solve for y.

y=\frac{2}{3}(75)

y=2(25)

y=50

Therefore, there are 50 kg of water in a 75​-kg person.

3 0
3 years ago
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GaryK [48]
1 boy can work about 0.3 hours
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7 0
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Which property is illustrated by the following statement?
kirza4 [7]

Associative property of addition


8 0
3 years ago
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