2 years ago

6 ÷ 2(1 + 3) Solve it.

Mathematics

1 answer:

Talja [164]2 years ago

8 0

Answer:

THATS THE ANSWER THAI GET OVER IT!!

Step-by-step explanation:

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A smartphone costs $120. Sales tax is 5%. What is the total cost, including tax?

miv72 [106K]

Since 100% = $120,

105% = $126.

3 0

3 years ago

Which polynomial expression represents the area of the outer most square tile, shown below?

Andrew [12]

ANSWER

${x}^{2} - 6x + 9$

EXPLANATION

The outermost square tile has side length,

$l = x - 3$

The area of a square is given by;

$Area= {l}^{2}$

We substitite the given expression for the side length into the formula to obtain,

$Area= {(x - 3)}^{2}$

$Area= {(x - 3)}(x - 3)$

We expand using the distributive property to obtain;

$Area=x {(x - 3)} - 3(x - 3)$

This gives us:

$Area= {x}^{2} - 3x - 3x + 9$

$Area= {x}^{2} - 6x + 9$

The last choice is correct.

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3 years ago

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Use cross products to determine whether the pair of ratios 4/6 and 14/21 form a proportion. Write yes or no. *SHOW WORK*

Dafna1 [17]

4/6 can reduce to 2/3. (divide each by 2)
14/21 can reduce to 2/3 by dividing the nume/denominator by 7.
in this case, they are proportional.

3 0

3 years ago

What is equalvent to 7:15 A 21:45 b 14:45 c 3:5 d65:135

Ivanshal [37]

Answer:

its a 21:45

Step-by-step explanation: it a because 7x3 will equal 21 you got 21 in there. 15 x 3 will equal 45 and you got 45 there so a is your answer.

5 0

2 years ago

A magazine has 120 pages. There are 28 full-page ads and 12 half-page ads. The rest of the magazine consists of articles.

Finger [1]

Answer:

120 = 28 + 12(½) + X

Where X is the no. of pages of articles

120 = 28 + 6 + X

X = 120 - 34

X = 86

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2 years ago

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