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masha68 [24]
3 years ago
8

Solve for x please thanks​

Mathematics
1 answer:
N76 [4]3 years ago
6 0

Answer:

32

Step-by-step explanation:

So, lets go over what we know:

The equation to find x is the same on both sides.

Now, lets find this equation:

So, the total area of the two lines on the left side of the triangle are 24.

Lets first subtract the first line from the total of the two lines to find the value of the second line:

24-3

=

21.

Now that we know the value of the 2nd line is 21. lets divide it by the first line(3) to find the scale factor:

21/3

=

7

So the scale factor is 7!

Lets plug this in for x.

We know that the first line is 4.

The second line is 7x bigger than 4.

So we can calculate this as:

7x4

=

28

So x is 28!

This is your answer!

Hope it helps! :)

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A store offers a loan for $900to buy a computer. The terms of the loan are for 9% simple intrest and equal monthly payments for
AleksAgata [21]

Answer:

$29.

Check picture down below for more.


7 0
3 years ago
Find the area of the region that lies under the parabola y=5x - x^2, where 1≤x≤4. I would definitely like to see some work :)
Elena L [17]

Answer:

  16.5 square units

Step-by-step explanation:

You are expected to integrate the function between x=1 and x=4:

  \displaystyle\text{area}=\int_1^4{(5x-x^2)}\,dx=\left.\left(\dfrac{5}{2}x^2-\dfrac{1}{3}x^3\right)\right|_{x=1}^{x=4}\\\\=\dfrac{5(4^2-1^2)}{2}-\dfrac{4^3-1^3}{3}=37.5-21=\boxed{16.5}

__

<em>Additional comment</em>

If you're aware that the area inside a (symmetrical) parabola is 2/3 of the area of the enclosing rectangle, you can compute the desired area as follows.

The parabolic curve is 4-1 = 3 units wide between x=1 and x=4. It extends upward 2.25 units from y=4 to y=6.25, so the enclosing rectangle is 3×2.25 = 6.75 square units. 2/3 of that area is (2/3)(6.75) = 4.5 square units.

This region sits on top of a rectangle 3 units wide and 4 units high, so the total area under the parabolic curve is ...

  area = 4.5 +3×4 = 16.5 . . . square units

4 0
2 years ago
What is the area of this triangle?
Makovka662 [10]

Answer:

21 units²

Step-by-step explanation:

A=1/2bh

b=6

h=7

1/2(6)(7)=

1/2(42)=

21 units²

7 0
3 years ago
What is 80 percent of 25
vitfil [10]
20 is 80% of 25, 20 is the answer
3 0
3 years ago
Read 2 more answers
You've deposited $5,000 into a Michigan Education Savings Program (a 529 college savings program) for your daughter who will be
vivado [14]

Answer:

Ans. the annual rate of return, in order to turn $5,000 into $24,000 in 15 years is 11.02% annual.

Step-by-step explanation:

Hi, well, in order to find the value of the interest rate of return, we need to solve for "r" the following equation,

Future Value=PresentValue(1+r)^{n}

Where:

n= years (time that the money was invested)

r=annual rate of return (Decimal)

So, let´s see the math of this.

24,000=5,000(1+r)^{15}

\frac{24,000}{5,000} =(1+r)^{15}

\sqrt[15]{\frac{24,000}{5,000} } =1+r

\sqrt[15]{\frac{24,000}{5,000} } -1=r

r=0.11023

So the annual rate of return that turns $5,000 into $24,000 in 15 years is 11.02%.

N=15; PV=5,000; FV=24,000; PMT=N.A; I/Y=11.02% P/Y=N.A

Best of Luck.

3 0
3 years ago
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