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2 years ago

5th grade math, correct answer will be marked brainliest.

Mathematics

2 answers:

Ad libitum [116K]2 years ago

7 0

Answer:

908.6

Step-by-step explanation:

64.9x 14

elena55 [62]2 years ago

7 0

Answer: 908.6

Step-by-step explanation: don’t answer for points

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Lucy was playing a card with two friends. They were playing with a deck of 21 cards. Lucy dealt 1/3 of the deck to each person.

Rama09 [41]

If each of them got 1/3 of the deck then they would each get 7 cards

8 0

3 years ago

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What is the square root of 5x^2 = 300

vesna_86 [32]

So, values of x are: $x=2\sqrt{15},\,\,x=-2\sqrt{15}$

Step-by-step explanation:

We need to find the square root of 5x^2 = 300

Writing in mathematical form:

$5x^2=300$

Divide both sides by 5

$\frac{5x^2}{5}=\frac{300}{5}$

$x^2=60$

Taking square root on both sides

$\sqrt{x^2}=\sqrt{60}$

$x=\pm (\sqrt{2\times 2\times 3\times 5})$

$x=\pm (\sqrt{2^2 \times 3\times 5})$

$x=\pm (2\sqrt{3\times 5})$

$x=\pm (2\sqrt{15})$

$x=2\sqrt{15},\,\,x=-2\sqrt{15}$

So, values of x are: $x=2\sqrt{15},\,\,x=-2\sqrt{15}$

Keywords: Square root

Learn more about square root at:

#learnwithBrainly

7 0

3 years ago

Rounded to the nearest thousandth the number 0.00006132 is___

jolli1 [7]

Answer:

to the right of the decimal is tenths > hundredths > thousandths so since at the thousands place the following number is 0 you round down so the answer is 0

Step-by-step explanation:

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3 years ago

What is the sum of -3 and -12

goblinko [34]

Answer:

-15

Step-by-step explanation:

-3 + -12 = -15

4 0

3 years ago

Evaluate x+3 squared by 2 - 6 when x = 4

Alisiya [41]

Answer:

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Step-by-step explanation:

Step 1: Define

Identify.

(x + 3)² - 6

x = 4

Step 2: Evaluate

Follow Order of Operations.

Substitute in x [Equation]: (4 + 3)² - 6
(Parenthesis) Add: 7² - 6
Exponents: 49 - 6
Subtract: 43

6 0

2 years ago

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