3 years ago

I NEED HELP ASAP DUE TOMORROW AT 9:00 AM

Mathematics

1 answer:

Ludmilka [50]3 years ago

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Three numbers have a sum of 82. The second number is twice the first number. The third number is 7 more than the second number.

iVinArrow [24]

Answer: The number is 15

Step-by-step explanation: basically the equation you should solve is

(x)+(2x)+(2x+7)=82

5x+7=82

5x= -7+82

5x=75

5/5x=75/5

x=15

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3 years ago

You buy 3.18 pounds of oranges, 1.25 pounds of peaches, and 1.96 pounds of grapes. What is your total bill

BabaBlast [244]

Answer:

$6.39

Step-by-step explanation:

Just add the cost of everything

3.18 + 1.25 + 1.96 = 6.39

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3 years ago

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What is the rate in which the second quantity is one unit

Tasya [4]

When grades are expressed as a quantity of 1, such as two feet per second or 5 miles per hour, they are called unit rates.

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3 years ago

Suppose a life insurance company sells a $290 comma 000 one-year term life insurance policy to a 25-year-old female for $300

Alona [7]

Answer:

what are you asking

Step-by-step explanation:

_/(-_-)

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3 years ago

Factor 2x 2 - 10x + 8 completely.

murzikaleks [220]

Answer:

2(x-1)(x-4)

Step-by-step explanation:

Begin by dividing each term by 2 and pulling the 2 to the front.

$2x^2-10x+8 = 2(x^2-5x+4)$

This is a trinomial. Trinomials are three term algebraic expressions typically featuring variables to exponent powers. To break these trinomials down we factor them using the diamond method or GCF. The diamond method states that for a trinomial $ax^2+bx+c$ multiply a*c then find two numbers which multiply to this number and add to b. When you find those numbers, write them as $(x-/+ number)(x-/+number)$ .

$x^2-5x+4$

a=1, c=4

ac=4 and add to b=-5 which -1 and -4 satisfy

The factored form is 2(x-1)(x-4).

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3 years ago