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3 years ago

What is 7.65% of $509.25

Mathematics

2 answers:

OverLord2011 [107]3 years ago

7 0

Answer:

38.96

Step-by-step explanation:

Change from percent to decimal form

.0765 * 509.25

38.957625

Rounding to the nearest cent

38.96

harina [27]3 years ago

6 0

Answer:

38.957625 US$

Step-by-step explanation:

38.957625 US$

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6x+1=6x-8. I need to show my work also

Alenkasestr [34]

Answer:

No solution.

Step-by-step explanation:

Lets try to solve it.

6x + 1 = 6x - 8 Bring like terms to the same side:

6x - 6x = -8 - 1

0 = -9 which is absurd so there is no solution to this equation.

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3 years ago

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Solve 4(x + 2) = 20

KiRa [710]

Answer:

x = 3

Explanation:

$\sf 4(x + 2) = 20$

$\sf 4x + 8 = 20$

$\sf 4x = 20 - 8$

$\sf 4x = 12$

$\sf x = \frac{12}{4}$

$\sf x = 3$

check:

4(x + 2) = 20

4(3 + 2) = 20

4(5) = 20

20 = 20

Hence proved x = 3

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2 years ago

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On the blueprint of a house, 42 millimeters represents 8 meters. The actual length of the living room is 5 meters. What is its l

RideAnS [48]

Answer:

26.25 mm

Step-by-step explanation:

On the blueprint of a house, 42 millimeters represents 8 meters. Thus,

42 mm - 8 m,

x mm - 5 m,

mathematically,

$\dfrac{42}{x}=\dfrac{8}{5},\\ \\42\cdot 5=8x,\\ \\x=\dfrac{210}{8}=\dfrac{105}{4}=26.25\ mm.$

5 0

3 years ago

what type of number is -3? A.rational. B. irrational C. whole number D. natural

Novosadov [1.4K]

Answer:

whole number

Step-by-step explanation:

its not a decimal and its not a fraction

6 0

3 years ago

Wapi simplified an expression. His work is shown below.

-BARSIC- [3]

Answer:

Step 3

Step-by-step explanation:

7( 8.5-1.5) +8 ÷2

PEMDAS

Parentheses

7*7 +8 ÷2

Then multiplication and division from left to right

49 +8 ÷2

We are still on multiplication and division

49+4

So step 3 is the first mistake

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3 years ago

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