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mr Goodwill [35]
3 years ago
8

Yes we did learn 1 and 2 step equation this should be a piece of cake

Mathematics
1 answer:
ANTONII [103]3 years ago
6 0
What do you need help with?

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LeRoy cut a length of string into 30
sukhopar [10]

Answer:

390 inches long

Step-by-step explanation:

The string = x

\frac{x}{30} = 13

30 (\frac{x}{30} ) = 30(13)

    x = 390 inches

3 0
3 years ago
Tyler wants to buy a new television that costs $312. He has already saved $96. He plans to save $24 per week over the next few w
Elena L [17]

Answer:

a

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Add and simplify 1/5 + 1/10
aliya0001 [1]

In order to add these fractions we have to make a common denominator.

1/5 can turn into 2/10 Its the same thing. And its easier to solve with.

now lets multiply.

\frac{2}{10} × \frac{1}{10}

Now we add across

2 + 1 = 3

------------  

10 + 10 = 10 ( When adding fractions like these the denominator stays the same)

So your answer is...

\frac{3}{10}

Good Luck! :)

7 0
3 years ago
HELPPP I WILL GIVE YOU BRAINLIEST WALLAH
Eduardwww [97]

Answer:

78qt= 19.5 U.S. gallons

Step-by-step explanation:

6 0
3 years ago
World population is approximately upper p equals 6.4 left-parenthesis 1.0126 right-parenthesis superscript t, with upper p in bi
Leviafan [203]

Given equation is

P=6.4(1.0126)^t

It gives approx world population in billions for t years since 2004.


Answer(a):

Compare with growth formula P=a(b)^t, we get:

growth factor b = 1.0126

We know that if r is the percent rate of growth then

1+r=b

1+r=1.0126

r=0.0126

Hence the yearly percent rate of growth of the world population is 0.0126 or 1.26%.


Answer(b):

To find worlds population in 2004, plug t=0 because year is counted from 2004.

P=6.4(1.0126)^0 = 6.4*1 = 6.40

Hence answer is 6.40 billion.


To find worlds population in 2018, plug t=2018-2004=14 because year is counted from 2004.

P=6.4(1.0126)^{14} = 6.4*1.19160117479 = 7.62624751867

Hence answer is approx 7.63 billion.


Answer(c):

Average rate of change of the world population between 2004 and 2018 is given by:

\frac{P\left(Year_{2018}\right)-P\left(year_{2004}\right)}{2018-2004}

=\frac{P\left(14\right)-P\left(0\right)}{14-0}

=\frac{7.63-6.40}{14}

=0.0878571428571

Hence answer is approx 0.0878571428571 billion per year.

To convert it into millions, multiply by 1000

So we get 0.0878571428571*1000 = 87.8571428571

Which is approx 88 to the nearest integer

Hence final answer is approx 88 millions per year.

7 0
3 years ago
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