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3 years ago

HALP MEEEEEEEEEEEEEE Please number them or add the question. No LINKS

Mathematics

1 answer:

11111nata11111 [884]3 years ago

7 0

I tried to answer these earlier but something glitched out. Hope this helps :)

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At a store 20 feet of fencing cost $36 at the rate how much will 15 feet of fencing cost

maria [59]

Answer:

15 feet of fencing costs $27

Step-by-step explanation:

We know 15/20 = 3/4 so...

36 x 3/4 = 27

Another way:

36 divided by 20 = 1.8

1.8 x 15 = 27

8 0

3 years ago

Read 2 more answers

Solve for x. Enter the solutions from least to greatest. <br> (x+15)^2-10=0

Sergeu [11.5K]

Answer:

lesser x = -1.84
lesser x = -8.16

Step-by-step explanation:

Given the expression

$\left(x+5\right)^2-10=0$

Add 10 to both sides

$\left(x+5\right)^2-10+10=0+10$

Simplify

$\left(x+5\right)^2=10$

$\mathrm{For\:}\left(g\left(x\right)\right)^2=f\left(a\right)\mathrm{\:the\:solutions\:are\:}g\left(x\right)=\sqrt{f\left(a\right)},\:\:-\sqrt{f\left(a\right)}$

solve

$x+5=\sqrt{10}$

Subtract 5 from both sides

$x+5-5=\sqrt{10}-5$

$x=\sqrt{10}-5$

$x=-1.8$

$x+5=-\sqrt{10}$

Subtract 5 from both sides

$x+5-5=-\sqrt{10}-5$

Simplify

$x=-\sqrt{10}-5$

$\:x=-8.2$

As -1.84 > -8.16

lesser x = -1.84
lesser x = -8.16

7 0

3 years ago

Maria graphs the following 3 equations: y = 34, y = 3x2, and y = 6x.

Yuliya22 [10]

Answer:

Maria is not correct.

The graph of y = 3x grows at an increasingly increasing rate, but the graph of y = 3x2 grows at a constantly increasing rate.

Therefore, the graph of y = 3x will eventually surpass the graph of y = 3x2.

Step-by-step explanation:

6 0

3 years ago

Which equation represents 5 = 2x + 7 when solved for<br> X2

IgorLugansk [536]

Answer:x=1

Step-by-step explanation:hope i helped

8 0

3 years ago

Heather is trying to decide what classes to take next year. She must take one of each and can choose from 3 math classes, 2 scie

Flauer [41]

To find the number of schedules knowing that she can only take one of each subject, you will multiply ALL the possible numbers of options for each.

2 x 3 x 3 x 4 =72

There are 72 different possible class schedules.

6 0

3 years ago