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hodyreva [135]
3 years ago
6

Find the value of x. 1/2 - 15 = 2/5x - 7​

Mathematics
2 answers:
denis23 [38]3 years ago
7 0

Answer:

(Hope this helps can I pls have brainlist (crown)

Step-by-step explanation:

In pic

<em>(Credit: Symbolab )</em>

<em></em>

<em>x = 80</em>

<em></em>

<em></em>

Dmitrij [34]3 years ago
6 0

Answer:

the answer is 80

Step-by-step explanation:

hope this helps

can i get braineist pls

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I need help with 8 i don't understand it i get. idk how to figure out what jm is
Misha Larkins [42]
The segment bisector of line JK would be L since it passes through M
How to find JM is that you would have to solve 3x+15=8x+25 to get x and once you find x you just plug it into the equation for JM, 3x+15
3x+15=8x+25 (subtract 8x on both sides)
-5x+15=25 (subtract 15 on both sides)
-5x=10 (Divide on both sides)
x=-2
Plug that in:
3(-2)+15
-6+15
JM=9
8 0
3 years ago
HELP ME HELP ME HELP ME!!! Given f(x) below, find f^-1(x).
elixir [45]

Answer:

f^{-1} (x) = 6 - 4x

Step-by-step explanation:

let y = f(x) and rearrange making x the subject

y = - \frac{1}{4} x + \frac{3}{2} ( multiply through by 4 to clear the fractions )

4y = - x + 6 ( subtract 6 from both sides )

4y - 6 = - x ( multiply through by - 1 )

- 4y + 6 = x

Change y back into terms of x with x = f^{-1} (x) , then

f^{-1} (x) = 6 - 4x

7 0
3 years ago
Alice wants to know how much she'll have to invest today to receive an annuity of $10,000 for six years if interest is earned at
spin [16.1K]
Annuity formula is given by:
FV=P[(1+r)^n-1]/r
FV=future value
r=rate
n=time
P=principle
Plugging the value from the question we obtain:
FV=10000[(1+0.07)^6-1]/0.07
FV=71,532.91
Thus the current value of the annuity is given by:
A=p(1+r)^n
plugging in the values we obtain and solving for p we get:
71532.91=p(1+0.07)^6
p=71532.91/(1.07)^6
p=$47665.40
Hence the answer:
B] $47665
 


8 0
3 years ago
Read 2 more answers
Simplify the expression 32a769. Assume a = 0 and b +0.<br> Enter the correct answer in the box.
Solnce55 [7]

Answer:

2a^2b^3 ^3squareroot4a

Step-by-step explanation:

4 0
3 years ago
Kimora wants to put ribbon around her SQUARE picture frame. One side is 7 inches long. How much ribbon will she need? (hint: aro
denis23 [38]
Answer is 28 inches.

A square has equal sides and to find the perimeter, you add all the sides.

7 x 4 = 28
7 0
3 years ago
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