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Inga [223]
3 years ago
14

What single decimal multiple would you use to increase by 3% followed by a 9% in crease

Mathematics
1 answer:
Oliga [24]3 years ago
6 0

Answer:

.12

Step-by-step explanation:

When converting percents to decimals, each 1% is equivalent into a hundredth in a decimal. Add 3 and 9 to get 12 hundredths, which will be .12.

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Linear model function
sveticcg [70]

Using equations of linear model function, the number of hours Jeremy wants to skate is calculated as 3.

<h3>How to Write the Equation of a Linear Model Function?</h3>

The equation that can represent a linear model function is, y = mx + b, where m is the unit rate and b is the initial value.

Equation for Rink A:

Unit rate (m) = (35 - 19)/(5 - 1) = 16/4 = 4

Substitute (x, y) = (1, 19) and m = 4 into y = mx + b to find b:

19 = 4(1) + b

19 - 4 = b

b = 15

Substitute m = 4 and b = 15 into y = mx + b:

y = 4x + 15 [equation for Rink A]

Equation for Rink B:

Unit rate (m) = (39 - 15)/(5 - 1) = 24/4 = 6

Substitute (x, y) = (1, 15) and m = 6 into y = mx + b to find b:

15 = 6(1) + b

15 - 6 = b

b = 9

Substitute m = 6 and b = 9 into y = mx + b:

y = 6x + 9 [equation for Rink B]

To find how many hours (x) both would cost the same (y), make both equation equal to each other

4x + 15 = 6x + 9

4x - 6x = -15 + 9

-2x = -6

x = 3

The hours Jeremy wants to skate is 3.

Learn more about linear model function on:

brainly.com/question/15602982

#SPJ1

5 0
2 years ago
Help help please please
gregori [183]

Answer:

c=√74

Step-by-step explanation:

h=c

p=5

b=7

Using pythogorean theorem,

h^2=p^2+b^2

c=√(7^2+5^2)

c=√(49+25)

c=√74

3 0
3 years ago
Read 2 more answers
What is the volume of the following rectangular prism? 8 units 5 1/4 units2 ​
Pie

Answer:

volume equals l x w x h

8 x 5 1/4 x 2

42 x 2

84

4 0
3 years ago
Read 2 more answers
Evaluate <br>1.3 + 12 + 2.1 =​
GenaCL600 [577]

Answer:

The answer is 15.4

Step-by-step explanation:

hope this helps

1.3 + 12 =13.3+2.1=15.4

3 0
3 years ago
300 ml over 15 min is what rate of ml per hour
Mama L [17]

Answer:

1200 ml per hour

Step-by-step explanation:

To compute what rate is 300 ml over 15 mins as a rate of ml per hour, we do a rule of 3, using a variable x as that amount of ml we don't know yet. We should have everything in the same units, so instead of writing 1 hour we write 60 minutes:

\frac{300~ml}{15~min}=\frac{x~ml}{60~mins}

Now we solve for x:

\frac{300~ml}{15~min}\cdot 60~mins=x~ml

\frac{18000~ml}{15} =x~ml

1200~ml =x~ml

And so, now that we know the value of x, the rate we wanted to find is

\frac{1200~ml}{60~mins}

Which is just 1200 ml per hour.

3 0
3 years ago
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