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3 years ago

What is the slope pls help

Mathematics

1 answer:

Galina-37 [17]3 years ago

7 0

Answer:

y=.5x+-2.5

Step-by-step explanation:

This is the linear equation (y=mx+b) m means slope so your slope is .5.

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Hannah is 16 years younger than Ericka. In 5 years Ericka will be twice as old as Hannah. How old is each

vazorg [7]

Answer:11 and 27

Step-by-step explanation:

11+16=27 and they are 16 years apart and because it says 5 years 27+5=32 and if you add 5 to 11 you get 16 and 16+16=32

3 0

2 years ago

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Jillian is trying to save water, so she reduces the size of her square grass lawn by 8 feet on each side the area of the smaller

horsena [70]

Answer: 20 feet by 20 feet.

Step-by-step explanation:

1. You know that $x$ is the original measure of one side. Since it is a square, all its sides are equal.

2. Therefore, to solve the problem you only need to solve for $x$ , as you can see below:

- You have that:

$(a-b)^{2}=a^{2}-2ab+b^{2}$

- Then, you obtain the following quadratic equation:

$(x-8)^{2} =144\\x^{2}-2(x)(8)+8^{2}=144\\x^{2}-16x-80=0$

- Apply the Quadratic formula to solve it:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}\\a=1\\b=-16\\c=-80$

- Then, you obtain:

$x_1=20\\x_2=-4$

3. The dimensions cannot be negative, therefore, the answer is: 20 feet by 20 feet.

3 0

3 years ago

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I NEEEED HELP!!! please show work in answer and no blank or nonsense answers please :)

rodikova [14]

Answer:

225 pi = pi r^2 h

225 = r^2*h

225/1 = r^2

sqrt. (225) = r

r = 15

8 0

3 years ago

Please help me

SVETLANKA909090 [29]

Answer:

B-$100=$372

The is is the smartest way I could look at this

$372 - $100= b

Hope this helps

MARNIE OUT!

5 0

3 years ago

Can someone explain to me how to solve these ?

boyakko [2]

$\bf 21)\\\\
\cfrac{c}{a}=r+d\implies \cfrac{c}{r+d}=a
\\\\\\
23)\\\\
ka=v+w\implies a=\cfrac{v+w}{k}
\\\\\\
25)\\\\
z=y+mx\implies z-y=mx\implies \cfrac{z-y}{m}=x$

8 0

3 years ago