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kolezko [41]
3 years ago
14

Can someone help me answer some of these questions?

Mathematics
1 answer:
ss7ja [257]3 years ago
7 0

Answer:55

Step-by-step explanation:

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Substitution Method <br> y=x-4<br> y=4x-10
ira [324]

Answer:

x=2 and y= -2

Step-by-step explanation:

Substitute y=x-4 in second equation

x-4=4x-10

get x terms on one side and numbers on other sides

4x-x=10-4

3x=6

divide 3 on both sides

x=2

substitute x=2 in y=x-4

y=2-4

y= -2

4 0
2 years ago
1. find the balance after one year if you deposit all the money into an account that pays $2.50 in simple interest each month (t
Naddika [18.5K]

1. Balance after 1 year with simple interest= 600 + (2.5 x 12) = 600 + 30 = $630

2. Balance after 1 year with compounded interest = P ( 1 + \frac{r}{n})^{nt}

= 600 ( 1 + \frac{0.05}{12})^{12}= 600 (1.0511) = $630.66 = approx. $630

6 0
3 years ago
-3(6) + 2(3) - 18 = 6<br><br>Is this incorrect or correct and why ?​
KiRa [710]
It is incorrect because when you times a negative by a positive. It is a negative number.
6 0
3 years ago
What is the volume of the prism?
Dmitry [639]
The volume would be 2040
7 0
3 years ago
Of the 240 available seats for a concert, 63 seats were reserved. What fraction of seats was reserved? Write your answer in simp
Olin [163]
63/240 seats or 21/80
The greatest common denominator is 3, so you would divide both by 3.
6 0
2 years ago
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