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3 years ago

10

PLS HELP GUYS I CRY BECAUSE DON’T UNDERSTAND THIS 2 SLIDES

1 answer:

rewona [7]3 years ago

6 0

Answer:

12 45 785 96

Step-by-step explanation:

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32 is what percent of 50?

zubka84 [21]

Answer:

D, 64%

Step-by-step explanation:

To solve algebraic equations, you have to do the inverse or opposite, so because you are multiplying x by 50 on one side and x wants to be alone, you have to do the opposite which is divide by 50 to get x*1 or just x (because 50/50 equals 1) and what you do on one side of the = sign you do on the other, so 32/50 = 0.64. Then to make a percent you move the decimal to the right by 2 places and you get 64%

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3 years ago

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Each box contains 6 pens as shown in the table. # of Boxes # of Pens 1 6 2 12 3 18 4 Which list includes only independent quanti

konstantin123 [22]

Answer:

pens

Step-by-step explanation:

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3 years ago

The dimensions of a rectangle are such that its length is 3 in. more than its width. If the length were doubled and if the width

Kay [80]

Answer:

The length of the rectangle is 11 inch and its width is 8 inch.

Step-by-step explanation:

Given:

Rectangle $(R_1)$ and rectangle $(R_2)$ .

Let the width of the rectangle be 'x' inch.

Its length = '(x+3)' inch

Area of the rectangle = $(A_1)$

⇒ $A_1$ = $(x)(x+3)$

Now for rectangle $(R_2)$ its width is decreased by 1 inch and length is doubled,the area $(A_2)$ will increased by 66 sq-inch.

So,

$A_2=A_1+66$

According to the question.

⇒ Area of rectangle $(R_2)$ with width '(x-1)' and length '2(x+3)'='(2x+6)' .

⇒ $A_2=(x-1)(2x+6)$

Plugging the values of $A_2$ in terms of $A_1$ .

⇒ $A_1+66= (x-1)(2x+6)$

Plugging $A_1$ = $(x)(x+3)$ into the equation.

⇒ $(x)(x+3)+66=(x-1)(2x+6)$

⇒ $x^2+3x+66=2x^2+6x-2x-6$

⇒ $x^2-2x^2+3x-6x+2x+6+66=0$

⇒ $-x^2-x+72=0$

Now using quadratic formula we can find the value of 'x'.

Quadratic formula, (x)= $\frac{\pm b+\sqrt{b^2-4ac} }{2a}$

x= -9 and x= 8

Discarding the negative value.

Our width = 'x' = 8 inches.

So the length of the rectangle = 11 inches and width of the rectangle = 8 inches.

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3 years ago

Find the range of the function.

Daniel [21]

Answer: X=-3

Step-by-step explanation:

if you number the graph you will see that x is on -3

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3 years ago

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A store is having a Winter Blowout sale, where all their winter clothes are on sale for 75% off. Michael spent a total of $89.92

gogolik [260]

Answer:

$89.92 \div 25 = 3.5968 \times 100 = 359.68$

therefore the answer is 359.68$

8 0

3 years ago