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3 years ago

12

Uhhhh anybody know this lsssss help ims tufff

1 answer:

Sever21 [200]3 years ago

4 0

For 9. the third table and for 10. the second table

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Three times the sum of a number and 4 is 8 less than one-half the number. Write and solve an equation to find the number.

Dahasolnce [82]

3(x+4)=1/2x-8 that's your original equation. If you read through the problem as you look at my work, you will see it matches up as you read it out loud and see my equation.
to solve, first distribute.
3x+12=1/2x-8
next you need to subtract 1/2x from both sides. this is using the identity property of addition.
2.5x+12=-8
next, subtract 12 from both sides. this demonstrates the identity property of subtraction.
2.5x=-20
next, divide by the coefficient of x (which is 2.5) to find the value of x, your variable.
x=8. you're done. hope this helped :)

7 0

4 years ago

What is the answer to y= 1/2x + 1

erica [24]

X=2y+2 is your answer

7 0

3 years ago

(Please respond quickly!)

ki77a [65]

Answer:

$x=12$

Step-by-step explanation:

we know that

A linear pair is two angles that are adjacent and form a line. The angle measure of a line is 180 degrees

In this problem we have that

$(10x-20)^o+(6x+8)^o=180^o$ --- by supplementary angles (form a linear pair)

solve for x

$(16x-12)=180$

$16x=180+12$

$16x=192$

$x=12$

3 0

4 years ago

A 500 cm piece of wire with a radius of 0.2 cm has a resistance of 0.025 ohm. Find an equation that relates these variables.

kirza4 [7]

Answer:

Step-by-step explanation:

7 0

3 years ago

Priya bought these items at the grocery store. Find each unit price. A. 12 eggs for $3. How much is the cost per egg? B. 3 pound

Ratling [72]

Answer: A. Cost per egg = $4 .

B. Cost per pound = $ 2.5

C. Cost per roll = $ 0.5

D. Cost per apple = $0.35

Step-by-step explanation:

Formula: cost per item = (total cost) ÷ (number of items)

A. 12 eggs for $3.

Cost per egg = $ (12÷3) = $4

So, Cost per egg = $4 .

B. 3 pounds of peanuts for $7.50

Cost per pound of peanuts = $ (7.50 ÷ 3)= $ 2.5

So, Cost per pound = $ 2.5

C. 4 rolls of toilet paper for $2.

Cost per roll = $ (2 ÷4 ) = $ 0.5

So, Cost per roll = $ 0.5

D. 10 apples for $3.50.

Cost per apple = $ (3.50 ÷ 10)= $ 0.35

So, Cost per apple = $0.35

4 0

4 years ago