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3 years ago

Are these answers solutions to that system?(4,1) (1,-3) (2,0)

Mathematics

1 answer:

yKpoI14uk [10]3 years ago

6 0

(4, 1), (1, -3), and (2,0)

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In science class, Liz learned that trees help make the oxygen that people breathe. One tree makes about 250 pounds of oxygen eac

klio [65]

Answer: The answer is 8000 pounds, or 4 tons

Step-by-step explanation:

This is true because each tree makes about 250 pounds of oxygen. She counted 32 so.....

(32)(250)=8000

then convert 8000 pounds to tons and you get 4 tons

5 0

3 years ago

3/4 W + 8 = 1/3 w – 7

Montano1993 [528]

Answer:

Step-by-step explanation:

$\dfrac{3}{4}W+8=\dfrac{1}{3}W-7\qquad\text{subtract 8 from both sides}\\\\\dfrac{3}{4}W+8-8=\dfrac{1}{3}W-7-8\\\\\dfrac{3}{4}W=\dfrac{1}{3}W-15\qquad\text{multiply both sides by}\ LCM(4,\ 3)=12\\\\12\!\!\!\!\!\diagup^3\cdot\dfrac{3}{4\!\!\!\!\diagup_1}W=12\!\!\!\!\!\diagup^4\cdot\dfrac{1}{3\!\!\!\!\diagup_1}W-(12)(15)\\\\(3)(3W)=(4)(1W)-180\\\\9W=4W-180\qquad\text{subtract}\ 4W\ \text{from both sides}\\\\9W-4W=4W-4W-180\\\\5W=-180\qquad\text{divide both sides by 5}\\\\\dfrac{5W}{5}=\dfrac{-180}{5}\\\\W=-36$

7 0

3 years ago

Original cost: $1.25;markup %:80%

Sholpan [36]

Hey!

Find 80% of the original cost:

1.25 * 80% = 1

1.25 + 1 = 2.25

ANSWER: $2.25.

8 0

3 years ago

100) Reflect the point in (a) the x-axis and (b) the y-axis.

klemol [59]

Answer:

Step-by-step explanation:

36. (4,1)

x-axis(4,-1)

y-axis(-4,1)

37.(-2,3)

x-axis(2,-3)

y-axis(-2,3)

38.(2,-5)

x-axis(-2,5)

y-axis(2,-5)

39.(-3.5, -2.5)

x-axis(-3.5,2.5)

y-axis(3.5,-2.5)

Please correct me I am wrong

Here is the y-axis formula (-x,y)

Here is the x-axis formula(x,-y)

4 0

3 years ago

The sum of 4 conservative integer is -8. find the integers

marishachu [46]

the answer is 4. You add it up/

3 0

3 years ago