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3 years ago

Write the fraction or mixed number as a percent. 1 21/50 =

Mathematics

2 answers:

Anna007 [38]3 years ago

6 0

1 21/50 as a percent would be 142%

Eddi Din [679]3 years ago

4 0

242% should be the answer

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Which could be the area of a face of the rectangular prism?

Alex17521 [72]

Answer:

6m squared

Step-by-step explanation:

cause one of the faces is 2 times 3 and that is 6m squared

3 0

3 years ago

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Rewrite the quadratic function in vertex form.<br> Y=2x^2+4x-1

Fantom [35]

Answer:

$\large\boxed{y=2(x+1)^2-3}$

Step-by-step explanation:

The vertex form of an equation of a parabola:

$y=a(x-h)^2+k$

(h, k) - vertex

We have

$y=2x^2+4x-1=2\left(x^2+2x-\dfrac{1}{2}\right)$

We must use the formula: $(a+b)^2=a^2+2ab+b^2\qquad(*)$

$2\left(x^2+2(x)(1)-\dfrac{1}{2}\right)=2\bigg(\underbrace{x^2+2(x)(1)+1^2}_{(*)}-1^2-\dfrac{1}{2}\bigg)\\\\=2\left((x+1)^2-1-\dfrac{1}{2}\right)=2\left((x+1)^2-\dfrac{3}{2}\right)$

Use the distributive formula a(b + c) = ab + ac

$2(x+1)^2+2\left(-\dfrac{3}{2}\right)=2(x+1)^2-3$

5 0

2 years ago

I need help with this mean, median, and averages etc. Brainliest is depending on correct answers and explanations. And don't loo

V125BC [204]

Answer:

Red is spelled as LSTER

Step-by-step explanation:

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3 years ago

Jan's age is three years less than twice tritts age. The sum of their ages is 30. Find their ages.

Stells [14]

Jans age is 31 and tritts age is 35

3 0

3 years ago

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What is the value of the right rectangular prism

storchak [24]

Hello!

To find the area of a rectangular prism you do 2(lw + lh + wh)

Put in the values

2(9 * 2 + 9 * 6 + 2 * 6)

2(18 + 54 + 12)

2(84)

2 * 84 = 168

The answer is 168 cubic inches

Hope this helps!

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3 years ago