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3 years ago

Lauren ran the 400-meter dash in fifty-three and ten hundredths seconds. How

Mathematics

1 answer:

astra-53 [7]3 years ago

8 0

Answer:

Step-by-step explanation:

Im not quite sure but i think it is b i hopeitcan help you!

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Find the x-intercepts of the parabola with vertex (1, -9) and y intercept at (0, -6).

Sergio [31]

Hello,

Equation is y=k(x-1)²-9
and when x=0,y=-6==>-6=k*1²-9==>k=3

y=3(x-1)²-9
when y=0, 3(x-1)²-9=0
==>(x-1-√3)(x-1+√3)=0
x-intercepts are (1+√3,0) and (1-√3,0)

Answer B.

3 0

3 years ago

What is the volume of this rectangular prism?

ollegr [7]

Answer:

$57,600cm {}^{2}$

Solving steps:

To find the volume of a rectangular prism, multiply its 3 dimensions: length x width x height. The volume is expressed in cubic units.

=> 40 cm ${}^{2}$ × 30cm ${}^{2}$ × 48 cm ${}^{2}$

multiply all the numbers

=> 57,600cm ${}^{2}$

Hi hi hi hi

8 0

2 years ago

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The table below represents a linear relationship. What is the slope of the line?

stealth61 [152]

Answer: side ways

Step-by-step explanation:

5 0

2 years ago

Liner equations please help with answer!

svetlana [45]

Answer:

n = - $\frac{4}{7}$

Step-by-step explanation:

Given

$\frac{2}{3}$ (1 + n) = - $\frac{1}{2}$ n

Multiply both sides by 6 ( the LCM of 3 and 2 ) to clear the fractions

4(1 + n) = - 3n ← distribute left side

4 + 4n = - 3n ( add 3n to both sides )

4 + 7n = 0 ( subtract 4 from both sides )

7n = - 4 ( divide both sides by 7 )

n = - $\frac{4}{7}$

6 0

3 years ago

What number could replace n? 6/12 = 2/n n = ___

IrinaVladis [17]

n = 4

Since you divide 6 by 3 to get 2, you divide 12 by 3 and you get 4.

5 0

3 years ago

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