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3 years ago

Please help. Algebra.

Mathematics

1 answer:

Arlecino [84]3 years ago

6 0

Answer:

Step-by-step explanation:

4) C looks pretty good

5) D looks great

:) ask if you'd like to know how I figured that out

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How do you write 13/20 as a decimal? ( Hint: Find the factor that will make the denominator 100 and multiply that factor to the

seraphim [82]

Answer:

0.65

Step-by-step explanation:

To get 13/20 to a decimal, the denominator needs to be multiplied by 5 to make it 100. If you multiply the denominator, you also have the multiply the numerator to make it equal. 13 x 5 is 65. The fraction is 65/100, which is 0.65 in decimal form.

8 0

3 years ago

The sum of two numbers is 59 and the difference is 11

Novosadov [1.4K]

Answer:

35 and 24

Step-by-step explanation:

35 + 24 = 59

35 - 24 = 11

4 0

3 years ago

Read 2 more answers

One reason for standardizing random variables is to measure variables with:

Ray Of Light [21]

Which measure of central location is meaningful when the data are categorical?A.The mode B.The median C.The mean D.The range Answer Key: A

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3 years ago

7.50x +4.50y = 2,212.5 x+y = 375

AURORKA [14]

Answer:

5x+3y-1475=0

Step-by-step explanation:

if this helps please mark brainliest <3

3 0

3 years ago

The population at Bishop High School is 2000 students in 2011. Every year the population decreases by 50 students

Artemon [7]

Answer:

Let p be the population at t be the number of years since 2011. Then, $p=2000-50t$

The projected population of the high school in 2015=1800
In 2019 the population be 1600 students

Step-by-step explanation:

Given: The population at Bishop High School students in 2011 =2000

Also, Every year the population decreases by 50 students which implies the rate of decrease in population is constant.

So, the function is a linear function.

Let p be the population at t be the number of years since 2011.

Then, $p=2000-50t$

So at t=0, p=2000

In year 2015, t=4, substitute t=4 in the above equation ,we get

$p=2000-50(4)\\\Rightarrow\ p=2000-200\\\Rightarrow\ p=1800$

Hence, the projected population of the high school in 2015=1800

Now, put p=1600 in the function , we get

$1600=2000-50t\\\Rightarrow50t=2000-1600\\\Rightarrow50t=400\\\Rightarrow\ t=\frac{400}{50}\\\Rightarrow\ t=8$

Now, 2011+8=2019

Hence, in 2019 the population be 1600 students

6 0

3 years ago