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3 years ago

7

Solve the equation and enter its solution set below. Enter the solutions in solution set notation separated by a comma and in or

der from smallest to largest. Enter fractional answers using / as in 2/3 for
\frac23
.
6x(x+2)=-25x+35

1 answer:

kherson [118]3 years ago

3 0

Answer:

5/6, 7

Step-by-step explanation:

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An expression is shown.<br>2 3/4 x 2/3<br>What is the value of the expression?

Novay_Z [31]

Answer:

The answer is 1 5/6

Step-by-step explanation:

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3 years ago

Find the perimeter and area of the figure below.

hichkok12 [17]

Answer:

perimeter = 40

area = 46(unit)^2

Step-by-step explanation:

Perimeter - all sides added together

Find unknown sides (8-3 = 5, 12-2 = 10)
Add all sides together (8+2+5+10+3+12 = 40)

Area - Length multiplied by width

Divide shape into two rectangles (#1 is 2x5 and #2 is 3x12)
Find individual area (rectangle #1: 2*5 = 10 / rectangle #2: 3*12 = 36)
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3 years ago

3х - 2y = 12<br> x + y = 4

EastWind [94]

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3 years ago

Find three consecutive numbers whose sum is 84

mrs_skeptik [129]

Answer:

27 28 29

Step-by-step explanation:

Let the first be n , and if they are consecutive then the next two numbers are n+1 and n+2.

n+(n+1)+(n+2)=84.

3n+3=84.

⇒3n=81.

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1 year ago

Y is directly proportional to x when y=30, x=6

lbvjy [14]

Answer:

see explanation

Step-by-step explanation:

Given that y is directly proportional to x then the equation relating them is

y = kx ← k is the constant of proportionality

To find k use the condition when y = 30, x = 6

k = $\frac{y}{x}$ = $\frac{30}{6}$ = 5

y = 5x ← equation of proportionality

When x = 12, then

y = 5 × 12 = 60

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3 years ago