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serg [7]
3 years ago
5

Write the point-slope for the seven following equations

Mathematics
1 answer:
lesya692 [45]3 years ago
7 0
K I will try my best

1) y+3=7/3(x+3)

2) y-0=3/4(x+4)

3) y-4=-5(x+1)

4) y-0=1/3(x-2)

5) y+4=-1(x-4)

6) y-4=-5/2(x+2)

7) y+1=-1/2(x+4)
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Divide 63 apples into two groups so the ratio is 2 to 1
GalinKa [24]
1) 2x+1x= 63
2) 3x= 63
3) 3x/3= 63/3
4) x= 21
5) 2(21)+1(21)=63
6) 42+21= 63
The 2 groups would be 42 to 21.
3 0
4 years ago
Suppose you invest $200 a month for 7 years into an account earning 9% compounded monthly. After 7 years, you leave the money, w
never [62]

Answer:

$172,806.37.

Step-by-step explanation:

Total = [ P(1+r/n)^(nt) ] + [ PMT × (((1 + r/n)^(nt) - 1) / (r/n)) ] * (1 + r/n)

is the formula  for the amount left after the first 7 years where the money is deposited at the beginning of each month and P = initial amount,  PMT = monthly payment, r = rate as a decimal and t = time in years.

Total after the first 7 years

=  [ 200(1+0.09/12)^(7*12) ] + [ 200 × (((1 + 009/12)^(7*12) - 1) / (0/09/12) ] * (1 + 0.09/12)

= 374.64 +  (200 * 0.8732019633) / (0.09/12) * (1 + 0.09/12)

= 374.64 + 23485.386 * 1.0075

= $24.036.17

Total after a further 22 years:-

=  24.036.17(1 + 0.09/12)^(12*22)

=  $172,806.37 (answer).

3 0
3 years ago
If Charles lost 20 pounds, he would weigh seven times as much as his dog. Together they weigh 200 pounds. How much does each wei
barxatty [35]

Answer: Weight of Charles = 177.5 pounds

Weight of dos = 22.5 pounds.

Step-by-step explanation:

Let x = Weight of Charles

y = Weight of dog.

As per given , we have the following system of linear equation :

x+y=200--------(i)\\\\x-20=7y-----------(ii)

We can write (ii) as :

x-7y=20---(iii)

Subtract equation (iii) from (i) , we get

8y=180\\\\ y=\dfrac{180}{8}=22.5

Put this value in (1) , we get

x+22.5=200\Rightarrow\ x=200-22.5=177.5

Hence ,  Weight of Charles = 177.5 pounds

Weight of dos = 22.5 pounds.

6 0
3 years ago
The JayC dealership tracks its car sales based on the type of car. The graph shows the percent of sales
zhenek [66]

Answer:

9

Step-by-step explanation:

3 0
4 years ago
URGENT HELPP
gladu [14]

Answer:sadddddddddddddddddddddddddddddddddddddddddddddddddddd

Step-by-step explanation:

ddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

3 0
3 years ago
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