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Lana71 [14]
3 years ago
5

If y=14 then what is 1.8+0.5(y+6)-2 to the third power

Mathematics
1 answer:
pychu [463]3 years ago
7 0
3.8 because 14+6=20 and .5*20=10 so then you do PEMDAS which means parenthesis, exponents, multiply, divide, add, subtract left to right. So the equation now is 1.8+10-8 so you would do 1.8+10=11.8 and 11.8-8=3.8. In PEMDAS you do the parenthesis first then the exponents and then multiply and divide and then when there is only add and subtract left in the equation you do it left to right. 
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Today only, a desk is being sold at a 33% discount. The sale price is $268. What was the price yesterday?
Serga [27]

Discount percent = 33%

Sale price = $268

Let the original price be $x.

So,

x - (33\% \: of \: x) = 268 \\  =  > x - ( \frac{33}{100}  \times x) = 268 \\  =  > x - ( \frac{33x}{100}) = 268 \\  =  >  \frac{100x}{100}  -  \frac{33x}{100}  = 268 \\  =  >  \frac{(100x - 33x)}{100}  = 268 \\  =  >  \frac{67x}{100}  = 268 \\  =  > 67x = 268 \times 100 \\  =  > 67x = 26800 \\  =  > x =  \frac{26800}{67}  \\  =  > x = 400

So, yesterday the price was $400.

5 0
3 years ago
Connor borrows $8,000 at a rate of 19% interest per year. what is the amount due at the end of 7 years if the interest is compou
Mariana [72]

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5 0
2 years ago
PLEASE HELP ITS URGENT
Sveta_85 [38]
X^2-22x-48=0
x^2-24x+2x-48=0
x(x-24)+2(x-24)
(x+2)(x-24)

Solve by grouping if you are able to find distinct factors that multiply to the last term and add to the middle term...this method is rather easy with easy to manage numbers. Complete the square if you cannot find distinct factors that multiply to the last term and add to the middle term. Completing the square helps when the equation is in the form of a parabola.
6 0
3 years ago
If four times a number plus 3 is 11, what is the number? a. 4 bm 2 c. 16 d. 5​
goblinko [34]

Answer:

B. 2 (Second Option)

Step-by-step explanation:

Four times: ⇒ 4

Number:⇒  y

4y+3=11

<em>Subtract by 3 both sides of equation.</em>

<em>4y+3-3=11-3</em>

<em>Simplify.</em>

<em>11-3=8</em>

<em>4y=8</em>

<em>Divide by 4 both sides of equation.</em>

<em>4y/4=8/4</em>

<em>SImplify, to find the answer.</em>

<em>8/4=2</em>

<em>y=2 is the correct answer.</em>

<em>2 is the correct answer.</em>

6 0
3 years ago
Read 2 more answers
About 11% of people are left-handed. How e = 0.11• 30 e = 3.3 many people would you expect to be left-handed in a class about 3
Marizza181 [45]

Answer:

There are about 3 students that are left handed in a class. First Sara took the percentage of left handed people, 11%,  and multiplied it by the amount of students in the class, 30. She got 3.3 but you can't have 0.3 of a person so she rounded it down to 3.

6 0
2 years ago
Read 2 more answers
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