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3 years ago

15

What is 34 divided by 5

1 answer:

Arada [10]3 years ago

3 0

Answer:

6.8

Step-by-step explanation:

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Those are the math questions I need the answers of

Elena L [17]

Answer:

1)

$12\sqrt{18}-3\sqrt{50}+\sqrt{32}$

$12\sqrt{9}\sqrt{2}-3\sqrt{25} \sqrt{2} +\sqrt{16} \sqrt{2}$

$12\times3\sqrt{2} -3\times5\sqrt{2}+4\sqrt{2}$

$36\sqrt{2}-15\sqrt{2}+4\sqrt{2}$

$25\sqrt{2}$

2)

$\frac{1}{5+2\sqrt{6}}$

Multiply $5-2\sqrt{6}$ :

$\frac{1\times \left(5-2\sqrt{6}\right)}{\left(5+2\sqrt{6}\right)\left(5-2\sqrt{6}\right)}$

Apply Difference of Squares formula: $(a+b)(a-b)=a^2-b^2$

$\frac{5-2\sqrt{6}}{5^2-\left(2\sqrt{6}\right)^2}$

$\frac{5-2\sqrt{6}}{25-2^2\left(\sqrt{6}\right)^2}$

$\frac{5-2\sqrt{6}}{25-4\times6}$

$\frac{5-2\sqrt{6}}{1}$

${5-2\sqrt{6}}$

a = 5, b = -2

7 0

3 years ago

kim work as a salesperson for a phot studio. To find his earing for the week, he multiples his total sales by 0.175. his sales f

Aloiza [94]

What do you think the answer to the question is?

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3 years ago

Question 21 of 25

Phantasy [73]

It is A hope this helps :)

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2 years ago

Solve for x and y: <br> Thanks for the help!

sweet-ann [11.9K]

Answer:

x = 2

y = 15

Step-by-step explanation:

As the triangle is split with a line that is parallel to the base:

$\implies x:6=6:18$

$\implies \dfrac{x}{6}=\dfrac{6}{18}$

$\implies x=\dfrac{6\cdot 6}{18}$

$\implies x=\dfrac{36}{18}$

$\implies x=2$

Similarly:

$\implies y:20=6 : (6+x)$

$\implies y:20=6:8$

$\implies \dfrac{y}{20}=\dfrac68$

$\implies y=\dfrac{6 \cdot 20}{8}$

$\implies y=\dfrac{120}{8}$

$\implies y=15$

7 0

2 years ago

Read 2 more answers

Reduce to simplest form

Alina [70]

Answer:

-1 5/28

Step-by-step explanation:

-3/7 + (-3/4)

Get a common denominator of 28

-3/7 *4/4 = -12/28

-3/4 *7/7 = -21/28

-12/28 + -21/28

-33/28

-28/28 - 5/28

-1 5/28

5 0

3 years ago