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3 years ago

What is 15% of 76, rounded to two decimal places?

Mathematics

2 answers:

nlexa [21]3 years ago

8 0

Answer:

its 5.077

Step-by-step explanation:

you divide 75 by 15 which = to 5.066666667

then you round the first 6 to 7 and you get this

5.077 or 507.7 "don't mind me i ain't that good in math :("

galben [10]3 years ago

6 0

Answer: 11.4

Step-by-step explanation:

I did part / whole = % / 100

So x / 76 = 15 / 100

76 x 15 = 1140

1140 ÷ 100 = 11.4

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Write the equation of the parabola in vertex form.

givi [52]

Answer: -9 = a(1 - 3)² + 3

Step-by-step explanation:

Vertex Form Equation:

y = a(x - h)² + k

vertex: (h, k) which means

h = 3

k = 3

because your vertex is (3, 3).

Your point is (1, -9) which is (x, y).

This means

x = 1

y = -9

Now, plug everything into your Vertex Form Equation:

-9 = a(1 - 3)² + 3

That’s your equation and final answer, but of course, if you need to, you can solve for a if you need to.

If a is positive, the parabola opens up. If a is negative, the parabola opens down.

Hope this helps!

3 0

3 years ago

What is the expression in radical form? (4x^3y^2)3/10

stiv31 [10]

4x^3y^2(3) /10

Answer: 6/5 X^3 y^2

4 0

2 years ago

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HELP. How much water is needed to fill a water tank that is 15 feet long, 8 feet wide, and 4 feet deep.

TiliK225 [7]

Answer: 60

Step-by-step explanation: I did the math but sorry if this is wrong

6 0

3 years ago

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The isosceles triangle has a perimeter of 7.5 m.

RUDIKE [14]

Answer:

2.1 + 2x = 7.5

Step-by-step explanation:

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2 years ago

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Caroline puts $400 into a savings account that earns 6% annually. Write a function that represents this situation, where t is th

DaniilM [7]

Answer: 19 years

Step-by-step explanation:

Given

Amount invested $\$400$

Rate of interest $R=6\%$

after 1-year amount becomes

$A=400\left (1+6\%\right)\\A=400\left (1+0.06\right)\\A=400\times 1.06\\A=\$424$

After n years it is

$A=400\left (1.06\right)^n$

Sum accumulated is $\$1200$

$\Rightarrow 1200=400\left(1.06\right)^n\\\Rightarrow 3=\left(1.06\right)^n\\\text{Taking log both sides}\\\Rightarrow n=\dfrac{\ln 3}{\ln 1.06}\\\\\Rightarrow n=18.85\approx 19\ \text{years}$

5 0

3 years ago