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vampirchik [111]
3 years ago
12

PLEASE HELP!!! NEED AN ANSWER ASAP

Mathematics
2 answers:
kvv77 [185]3 years ago
7 0
If my calculations are right the answer should be c. 40.5mi
Anon25 [30]3 years ago
4 0
Total number of miles he ran in 12 days= 40.5 miles
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Evaluate the expression 4x2+3y for x = 5 and y = 6.
babymother [125]

Answer:

118

Step-by-step explanation:

{4x}^{2}  + 3y

4(5 {)}^{2}  + 3(6)

4 \times 25+3(6)

100+3(6)

100+18

118

<h3>Hope it is helpful...</h3>
3 0
3 years ago
A large company is expanding its workforce and needs to hire some new administrative assistants. They found the relationship bet
Inessa [10]

The graph on #6 describes a scatterplot. Because years of experience is the input, this makes the starting salary our output. Finding the best fitting line in a scatterplot requires the line to follow a trajectory similar to that of the points.  As a result, there will be outliers. Since I don't know what "the calculator" is meant by this problem, I have used a different program. I hope it works for you. Good luck.

4 0
3 years ago
You are making 6 quarts of
Ivenika [448]

1.5 quarts of 20% fruit juice and 4.5 quarts of 100% fruit juice.

Step-by-step explanation:

Let x be the number of quarts of 100% fruit juice

Let y be the number of quarts of 20% fruit juice

The equation for amount of quarts is ;

x+y=6

x=6-y-------------------equation 1

The equation for the amount of quarts of fruit juice to get 80% fruit juice will be;

x(100%)+y(20%)=80%------however you need to make 6 quarts so divide first portion of equation by 6

{x(100%)+y(20%) }/6=80%

Multiply both parts of the equations by 6

x(100%)+y(20%)=480% --------------equation 2

Use equation 1 in 2

(6-y)(100%)+y(20%)=480%

600-100y+20y=480

600-80y=480

600-480=80y

120=80y

120/80 =y

1.5=y

Use the value of y in equation 1

x=6-y  , x= 6-1.5=4.5

So you have,

1.5 quarts of 20% fruit juice and 4.5 quarts of 100% fruit juice.

Learn More

Mixtures equations;brainly.com/question/11898822

Keywords : quarts,party,bottles,punch

#LearnwithBrainly

6 0
3 years ago
[3b+9]-16=-52<br> i just want to see if i got the correct answer my answer was <br> b=-15
kvasek [131]

Answer:

yes, the answer is b = -15

Step-by-step explanation:

3(-15) = -45

-45 + 9 = -36

-36 - 16 = -52

so b = -15

4 0
3 years ago
Determine whether or not the given differential equation is separable, that is, whether it can be expressed in the form p(y) dy
Flura [38]

Answer:

Yes , it is separable

Step-by-step explanation:

We are given that DE

\frac{dy}{dx}-2y=16+3xy+24x

We have to find the the given DE is separable or not.

\frac{dy}{dx}-2y=16x+3xy+24x

\frac{dy}{dx}=16+3xy+24x+2y

\frac{dy}{dx}=16+24x+3xy+2y=8(2+3x)+y(3x+2)

\frac{dy}{dx}=(2+3x)(8+y)

\frac{dy}{8+y}=(2+3x)dx

When the DE is separable then it can be written as

p(y)dy=q(x)dx

Given DE is in Separable form.Therefore, it is separable.

7 0
3 years ago
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