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4 years ago

Which symbol replaces ? to make the statement true?

Mathematics

1 answer:

Leni [432]4 years ago

3 0

Use PEMDAS

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

3 ⋅ 12 − 12 = 36 - 12 = 24

3 ⋅ [26 − 2 ⋅ (3 + 6)] = 3 · (26 - 2 · 9) = 3 · (26 - 18) = 3 · 8 = 24

<h3>Answer: =</h3>

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What is 33 1/3% less than $60

andriy [413]

Answer:

$40

Step-by-step explanation:

33 1/3% is equal to 1/3. 1/3 less than something is 2/3 of it. 2/3 of $60 is $40.

5 0

3 years ago

What is the following simplified product? Assume

Yanka [14]

<u>Answer:</u>

The correct answer option is D. $10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}$ .

<u>Step-by-step explanation:</u>

We are given the following expression:

$\left ( \sqrt { 10 x ^ 4 } -x \sqrt { 5 x ^ 2 } \right ) \left ( 2 \sqrt { 15 x ^ 4 } + \sqrt { 3 x ^ 3 } \right )$

Assuming that $x\geq 0$ , we are to find its simplified product.

$\left ( \sqrt { 10 x ^ 4 } -x \sqrt { 5 x ^ 2 } \right ) \left ( 2 \sqrt { 15 x ^ 4 } + \sqrt { 3 x ^ 3 } \right )$

$\\\\ = 2 \sqrt { 150 x ^ 8 } + \sqrt { 3 0 x ^ 7 }-2x\sqrt{75x^6}-x\sqrt{15x^5} \\\\ =2\sqrt{25\times6x^8}+x^3\sqrt{30x}-2x\sqrt{25\times3x^6}-x^3\sqrt{15x} \\\\ =10x^4\sqrt{6}+x^3\sqrt{30x}-10x^4\sqrt{3}-x^3\sqrt{15x}$

4 0

3 years ago

Read 2 more answers

Anya and Bartholomew clean windows. Anya charges 50 cents per window plus $10 per job. Bartholomew charges 90 cents per window p

fredd [130]

Anya cleaned 6 windows and Bartholomew cleaned 10. What's with these names tho lol

5 0

3 years ago

The width of a rectangle is 6 2/3 inches. The length of the is twice it’s width. What so the perimeter of the rectangle?

Nookie1986 [14]

$\text {Width = } 6\dfrac{2}{3} \text { inches}
$

The length is twice its width:
$\text {Length = } 2 \times 6\dfrac{2}{3} \text { inches}$

Change to improper fraction:
$\text {Length = }2 \times \dfrac{20}{3} \text { inches}$

Combine into single fraction:
$\text {Length = } \dfrac{40}{3} \text { inches}$

Find Perimeter :
$\text {Perimeter = Length + Length + Width + Width}$

$\text {Perimeter = } \dfrac{40}{3} + \dfrac{40}{3} + \dfrac{20}{3} + \dfrac{20}{3} = \dfrac{120}{3} = 40 \text { inches}$

$\bf \text {Answer: Perimeter = 40 inches}$

6 0

4 years ago

Read 2 more answers

How can u rewrite 13/6 as a mixed number. <br> I forgot how to do that plz help me.

Sedbober [7]

A mixed number is an integer with a fraction. 6 goes into 13 twice, with 1 leftover, so the mixed number would be $2 \frac{1}{6}$

7 0

4 years ago