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mylen [45]
3 years ago
11

How do you solve these linear system of equations by graphing

Mathematics
1 answer:
fenix001 [56]3 years ago
7 0

Answer:Y=-8-2x

Y=-1+1x

Step-by-step explanation:

Solve for y in the second equation

the answer for that should be y= -8-2x and y=-1+1x

then plot both of the equations using rise over one

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Four more than seven times a number is 12.” Write an equation that represents the statement. Then solve.
Leona [35]

7x + 4 = 12

7x = 12-4

7x = 8

x = 7/8

3 0
3 years ago
Monica and Michael both want to buy a scooter. Monica has already saved $25 and plans to save $5 per week. Michael has $16 and p
Anna71 [15]

3 weeks

Step-by-step explanation:

To find the number of weeks, we have to equate the amount already saved and planned to save by both each week.

So we can write the expression as,

Let w be the number of weeks.

25 + 5w =16 + 8w

Grouping the terms as,

25 - 16 = 8w - 5w

9 = 3w

Dividing both sides by 3, we will get,

3w/3 = 9/3

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5 0
3 years ago
When Brad was born, his Grandma put, $1,500 in a new account for him. Since then, the balance of the account, has grown by 6.5%
marin [14]

Answer:

$969.04

Step-by-step explanation:

now at age of 18 Brad has 1500 * 1,065^18

at age of 21 he will have 1500 * 1,065^21

if he waits the difference will be 1500 * 1,065^21 - 1500 * 1,065^18 = $969.04

6 0
3 years ago
Help this is due today.
Vika [28.1K]
Dominic would be the answer because the exponents add together
7 0
3 years ago
Read 2 more answers
When an exponent is a negative number, we can think of it as taking the...?
STALIN [3.7K]

Answer:

We can think of it as the zeros after the decimal point.

Step-by-step explanation:

Negative exponents always move the number to the right putting the decimal in front of it.

5 0
3 years ago
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