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3 years ago

7

Kyle spent 1/5 of his money on clothes. He had $120 remaining. What was the cost of the clothes Kyle bought? (Note: Express the

answer as dollars.cents.)

1 answer:

Marat540 [252]3 years ago

7 0

Answer: 30 is the cost of clothes kyle bought.

Step-by-step explanation: Hope this helps!

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Let f(x)=4-x^2,<br><br><br>find ( f(x+h)-f(x) ) / h and simplify

Alja [10]

If $f(x)=4-x^2$ , then

$f(x+h)=4-(x+h)^2=4-(x^2+2xh+h^2)=4-x^2-2xh-h^2$

So

$\dfrac{f(x+h)-f(x)}h=\dfrac{(4-x^2-2xh-h^2)-(4-x^2)}h=-\dfrac{2xh+h^2}h$

Then for $h\neq0$ , we can cancel common terms:

$\dfrac{f(x+h)-f(x)}h=-2x+h$

7 0

3 years ago

2. All of the girls in Danielle’s cabin at camp are the same age. Their counselor is 3 times their age. Danielle’s age and her c

Aloiza [94]

Answer:

Danielle is 7 and her counselor is 21

Step-by-step explanation:

Let x be the age of Danielle and y be the age of her counselor then:

y=3x

x+y=28

We can solve this using substitution. In this case, substitute 3x for y since y=3x...

x+3x=28

4x=28

Divide both sides by 4 (division property of equality)

x=7

y=3x=3(7)=21

Danielle is 7 and her counselor is 21

4 0

2 years ago

The point (4,0) is a solution to<br> this system.<br> (-x+6y=4<br> (3x + y = 12<br> true or False

vivado [14]

Answer:

False

Step-by-step explanation:

to determine if (4, 0 ) is a solution to the system, substitute x = 4, y = 0 into the left side of both equations.

If the left side is equal to the right side of both equations then the point is a solution to the system.

- 4 + 6(0) = - 4 + 0 = - 4 ≠ 4

3(4) + 0 = 12 + 0 = 12

since only one equation is true, the point (4, 0 ) is not a solution to the system.

6 0

1 year ago

2x - 19, when x = -11<br><br><br> Please help asap!!

Cerrena [4.2K]

Answer:when x = -11

2×11-19=22-19

=3

Step-by-step explanation:

7 0

3 years ago

Read 2 more answers

PLZ HELP WILL GIVE BRANLIEST The original price of a coffee table is d dollars. You use a coupon and buy the table for (d − 4) d

balu736 [363]

Answer:

(3d+1)-(d-4)=Profit

Step-by-step explanation:

So what you do here is you take the price you sold the table for, and subtract it from the price you bought it for.

This will end up giving you this equation:

3d+1-d+4=Profit

2d+5=Profit

5 0

2 years ago