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Svetach [21]
3 years ago
5

Help me please! This is due today!​

Mathematics
1 answer:
dmitriy555 [2]3 years ago
3 0

Answer:

the question is fillped i can not see the questions

Step-by-step explanation:

You might be interested in
X + 5y - 10 = 0<br> x = 2y - 8
ipn [44]
So since we know what x is, we can substitute it into the original equation for x like so to solve for y...

(2y - 8) + 5y - 10 = 0
2y - 8 + 5y = 10
2y + 5y = 18
7y = 18
y = 18/7 (or about 2.57)

So now we know what x is, we can sub it into the below equation to solve for x...

x = 2(18/7) - 8
x = 36/14 - 8 (or about -5.43)


3 0
3 years ago
Kevin is 3 times as old as Daniel. 4 years ago, Kevin was 5 times as old as Daniel. How old is kevin now?
puteri [66]
K = Kevin's age
D = Daniel's age

K = 3D

K - 4 = 5(D - 4)

Plug in 3D for the K values in the second equation.

3D - 4 = 5(D - 4)   Use the Distributive Property
3D - 4 = 5D - 20   Add 4 to both sides
     3D = 5D - 16     Subtract 5D from both sides
    -2D = -16            Divide both sides by -2
       D = 8 
 Now, plug that D value into the original equation.

K = 3D    Plug in the D value
K = 3(8)   Multiply
K = 24

Finally, you can double check your math.

4 years ago, Daniel would've been 4 and Kevin would be 20, so Kevin would've been 5 times as old as Daniel.  And 8 x 3 = 24.

So, Kevin is 24.
3 0
3 years ago
Read 2 more answers
Solve (4 - x ≤ -1) ∩ (2 + 3x ≥ 17).
belka [17]
4-x \leq -1\ \ \ | subtract\ 4\ \ \ \ \ and\ \ \ \ 2+3x \geq 17\ \ \ | subtract\ 2\\\\&#10;-x \leq -5\ |*(-1)\ \ \ \ and\ \ \ \ 3x \geq 15\ \ | divide\ by\ 3\\\\&#10;x \geq 5\ \ \ \ \ and\ \ \ \ x \geq 5\\\\&#10;Solution\ is\ x\in[5,+\infty)
3 0
3 years ago
Read 2 more answers
Pleaseeeeeeee help thank you
ycow [4]

Answer:

It would be selected 130 times.

Step-by-step explanation:

peach chew was selected 13 times out of 60, so 13/60 will be peach

multiply the amount by 600, 13/60 * 600 = 130

5 0
3 years ago
Read 2 more answers
An investment is currently worth 1.035×108 dollars . Thirty years ago, the investment was worth ​ 2.3×105 ​ dollars. How many ti
nevsk [136]

The correct option is:  B. 450

<u><em>Explanation</em></u>

Current value of the investment is  1.035\times 10^8 dollars and 30 years ago, the value of the investment was  2.3\times 10^5 dollars.

Suppose, the value of investment today is  n times greater than the value of the investment thirty years ago.

So, the equation will be........

n(2.3\times 10^5)=1.035\times 10^8\\ \\ n= \frac{1.035\times 10^8}{2.3\times 10^5}=0.45\times 10^3 = 450

Thus, the value of the investment today is 450 times greater than the value of the investment thirty years ago.

6 0
3 years ago
Read 2 more answers
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