2 years ago

Pleasee help asap i dont have much time worth 10 points

Mathematics

2 answers:

uysha [10]2 years ago

6 0

The answer is E
step by step explanation:

maria [59]2 years ago

5 0

The answer is E. to get it you subtract the exponents and go letter by letter. you got this keep it up!

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PLZ HELP AND SHOW YOUR WORK <3333 Substitution. 3x+2y=11 y=5x-1

liraira [26]

Hey there! :D

Substitute y for 5x-1.

3x+2y=11

y=5x-1

3x+2(5x-1)=11

3x+10x-2=11

13x-2=11

13x=13

x=1

Now, plug that in to find y.

y=5x-1

y=5(1)-1

y=5-1

y=4

(1,4) <== the solution

I hope this helps!
~kaikers

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2 years ago

The radius of your earth model is 9cm. what is the surface area

Lapatulllka [165]

The surface area formula is 4 x pi x r^2

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2 years ago

Point F is at (0, -10) and point H is at (-6, 5). Find the coordinates of point G on line segment FH such that the ratio of FG t

Tanya [424]

Answer:

G(x,y)=(-4,0)

Step-by-step explanation:

We use the section formula:

$(x,y)=\left(\dfrac{mx_2+nx_1}{m+n}, \dfrac{my_2+ny_1}{m+n}\right)$

Given:

$F(x_1,y_1)=(0, -10)\\H(x_2,y_2)=(-6, 5)\\FG:GH=m:n=2:1$

We substitute the values to get:

$G(x,y)=\left(\dfrac{2*-6+1*0}{2+1}, \dfrac{2*5+1*-10}{2+1}\right)\\=\left(\dfrac{-12}{3}, \dfrac{10-10}{3}\right)\\=\left(\dfrac{-12}{3}, \dfrac{0}{3}\right)\\\\G(x,y)=(-4,0)$