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2 years ago

12

Write the pair of fractions as a pair of fractions with a common denominater 3/10 1/2

1 answer:

Serggg [28]2 years ago

7 0

Answer:

3/10 and 5/10

Step-by-step explanation:

1/2 = 5/10

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Simplify the following radical <br> Sqrt 126x^13

fenix001 [56]

Answer:

$\large\boxed{\sqrt{126x^{13}}=3x^6\sqrt{14x}}$

Step-by-step explanation:

$Domain:\ x\geq0\\\\\sqrt{126x^{13}}=\sqrt{9\cdot14\cdot x^{12+1}}\\\\\text{use}\ a^n\cdot a^m=a^{n+m}\\\\=\sqrt{9\cdot14\cdot x^{12}\cdot x^1}=\sqrt{9\cdot14\cdot x^{6\cdot2}\cdot x}\\\\\text{use}\ \sqrt{ab}=\sqrt{a}\cdot\sqrt{b}\ \text{and}\ (a^n)^m=a^{nm}\\\\=\sqrt9\cdot\sqrt{14}\cdot\sqrt{(x^6)^2}\cdot\sqrt{x}\\\\\text{use}\ \sqrt{a^2}=a\ \text{for}\ a\geq0\\\\=3\cdot\sqrt{14}\cdot x^6\cdot\sqrt{x}=3x^6\sqrt{14x}$

3 0

3 years ago

never [62]

9514 1404 393

Answer:

7 cm, 4.4 cm

Step-by-step explanation:

The side lengths can be found from the law of cosines. Each triangle has legs 3 cm and 5 cm. The angle between these will be 60° or 120°. Then the two sides of the parallelogram are ...

s = √(a² +b² -2ab·cos(C))

s = √(3² +5² -2·3·5·(±1/2)) = √(34 ±15) = {√49, √19}

The two side lengths are 7 cm and about 4.4 cm.

8 0

3 years ago

What is the solution to the following system of equations?

alisha [4.7K]

I think it’s gonna be A.

7 0

3 years ago

Read 2 more answers

The price of 600 grams of candy and 1.5 kg of cookies was 4 dollars and 62 cents. What is the price of one kg of cookies if it i

cupoosta [38]

Answer:

The price of the kilogram of cookies is $ 1.8

Step-by-step explanation:

Call x the price of the kilogram of candy and call y the price of kilogram of cookies

Then we know that

$0.600x + 1.5y = 4.62$

We also know that the price of kilogram of cookies is 1.40 dollars cheaper than the kilogram of candy

So

$y = x-1.40$

We solve this equation for x and then we substitute it in the first equation.

$x = y + 1.40$

$0.60 (y +1.40) + 1.5y = 4.62\\\\0.60y + 1.5y = 4.62 - 0.84\\\\2.1y = 3.78$

$y = \$1.8$

3 0

3 years ago

The coldest temperature in the city today was 14.8 degrees (Fahrenheit) lower than the hottest temperature. Let H represent the

devlian [24]

<h3>The formula that correctly relates H and L is H = L + 14.8</h3><h3>The high temperature is 83.7 degrees</h3>

<em><u>Solution:</u></em>

Let H represent the high temperature

Let L represent the low temperature

Given that,

<em><u>The coldest temperature in the city today was 14.8 degrees (Fahrenheit) lower than the hottest temperature</u></em>

L = H - 14.8

Rearrange,

H = L + 14.8

<em><u>If the low temperature was 68.9 degrees, what was the high temperature?</u></em>

L = 68.9

Then,

H = 68.9 + 14.8

H = 83.7

Thus the high temperature is 83.7 degrees

6 0

3 years ago