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3 years ago

What is the answer to the equation?

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

5 0

Y=-3x+5
the slope is negative because the line is going down from left to right
the y-intercept is 5 because that’s where the line crosses the y-axis

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A quantity with an initial value of 9100 grows continuously at a rate of 0.85% per hour. What is the value of the quantity after

ycow [4]

Answer:

$10,962,54$

Step-by-step explanation:

we know that

The equation of a exponential growth is equal to

$y=a(1+r)^x$

where

a is the initial value

r is the rate of growth

x is the time in hours

y is the value of the quantity

we have

$a=9,100\\r=0.85\%=0.85/100=0.0085$

substitute

$y=9,100(1+0.0085)^x$

$y=9,100(1..0085)^x$

For x=22 hours

substitute

$y=9,100(1..0085)^{22} =10,962,54$

4 0

3 years ago

23 + 8m + 4n - 5m - 27

mylen [45]

Answer:

$-4 + 3m + 4n$

Step-by-step explanation:

In this question, you are combining like terms, meaning doing equations to numbers that fit with only each other.

So we should start on the number without variables:

23 and 27

Match them up together and you should find your first equation:

23 - 7

==> -4

So we should have -4 + 8m + 4n - 5m

Now we should combine the numbers with the variable of m:

8m and 5m

Match them up together and you should find your first equation:

8m - 5m

==> 3m

So we should now have -4 + 3m + 4n

Since there are no other variables of n, we are all done:

-4 + 3m + 4n is your final answer

4 0

3 years ago

How do I do this please help me?

TEA [102]

4. First find how much sauce is used for 1 person:

2 ÷ 7 = 0.285714285714286

0.285714285714286cups of sauce will make spaghetti for one person.

0.285714285714286 • 210 = 60

60 cups of sauce for 210 people.

5. Found out how much he read in one minute:

40 ÷ 50 = 0.8

0.8 • 80 = 64

In 80 minutes, she will read 64 pages.

6. Found out how much he earns after one month:

9 ÷ 6 = 1.5

1.5 • 12 = 18

18 • 2 = 36

After two years, he will have 36 days of vacationing time

7 0

3 years ago

What is the first step in solving the equation? +4= -2

adell [148]

Answer:

adding +2 on both sides to remove the -2 then it would be 2=0

Step-by-step explanation:

8 0

2 years ago

I need to figure what figure A and B is.

Alexeev081 [22]

I can't see the whole graph

3 0

3 years ago