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3 years ago

I need help quick it's urgent!

Mathematics

1 answer:

GREYUIT [131]3 years ago

8 0

Answer:

$x=4$

Step-by-step explanation:

start by squaring both sides:

$(\sqrt{-8+3x} )^2=(2)^2$

squaring a square root cancels it out:

$-8+3x = 4$

solve for x by first adding 8 to both sides:

$3x=12$

then divide both sides by 3:

$x=4\\$

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PLEASE HELP

den301095 [7]

Answer:

Option A

Step-by-step explanation:

multiple each coordinate by 1/2

8 0

3 years ago

X + 5y = -27 -2x - 5y = 24

Rashid [163]

Answer:

Step-by-step explanation:

x+5y=-27

-2x-5y=24

If the signs are the same u minus if they are different u add

So they are different were gonna add

x+5y=-27

-2x-5y=24

-1=-3

You cant divide it further x=-3

Next were gonna subsitute in any equation

x(-3)+5y=-27

-3+5y=-27

+3 to -27

-7+3=-24

5y=24

24/5=4.8 y=4.8

I hope this helps.

4 0

3 years ago

(a + b - c )(a + b + c )

denis-greek [22]

Answer:

$a^2+b^2-c^2+2ab$

Step-by-step explanation:

$(a+b-c)(a+b+c)=a^2+ab+ac+ab+b^2+bc-ac-bc-c^2=a^2+b^2-c^2+2ab$

Hope this helps!

5 0

3 years ago

Read 2 more answers

You have 550$ in a savings account that earns 3% simple interest each year.How much will be in your account in 10 years?

Tomtit [17]

Hey there! Hope I can help!

P is the principal amount, $550.00.
R is the interest rate, 3% per year, or in decimal form, 3/100 = 0.03.
T is the time involved, 10 year(s) time period.
So, t is the 10 year time period.

To find the simple interest, we multiply 550 × 0.03 × 10 to get $165.00

Then the interest is added onto the principal to figure the new amount after 10 years. 
550.00 + 165.00 = 715.00 > $715.00 after 10 years.

Hope this helps!

7 0

3 years ago

If the length of FG is 6 units, what is the length of EH?

QveST [7]

FG goes through the center of the circle, so FG is diameter.

$d = 2r \\ r = \dfrac{d}{2} \\ \\ r = \dfrac{6}{2} = 3$

EH=r=3

Answer: EH=3

4 0

3 years ago