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Angelina_Jolie [31]
3 years ago
11

What do you add to 2/9 to make it a whole

Mathematics
2 answers:
Maksim231197 [3]3 years ago
8 0

Answer:

7/9

Step-by-step explanation:

9/9 = 1 whole

2+7 = 9

Debora [2.8K]3 years ago
7 0

Answer:

7/9

Step-by-step explanation:

1 Whole = 1/1

2/9 + 7/9 = 1/1

or

1/1 - 2/9 = <u>7/9</u>

<u />

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Salma pumped 49 gallons of water out of her pool. This was done over a period of 7 minutes
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A clock has the diameter<br> of 12 inches. What is the<br> area? asap plz
Cerrena [4.2K]

Answer:

113.04

Step-by-step explanation:

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find the area of the isocele triangle formed by the points of intersection of parabolas y=-x^2+9 and y=2x^2-3 and the origin
leonid [27]

Answer:

10\ \text{sq. units}

Step-by-step explanation:

The parabola's are

y=-x^2+9

y=2x^2-3

So

-x^2+9=2x^2-3\\\Rightarrow 12=3x^2\\\Rightarrow \\\Rightarrow x=\sqrt{\dfrac{12}{3}}\\\Rightarrow x=\pm 2

y=-x^2+9=-(2)^2+9\\\Rightarrow y=5

y=-(-2)^2+9=5

So, the points at which the parabola's intersect each other is (2,5) and (-2,5)

The three points of the triangle are (2,5), (-2,5) and (0,0)

Area of a triangle is given by

A=\dfrac{1}{2}[x_1(y_2-y_3) + x_2(y_3-y_1) + x_3(y_1-y_2)]\\\Rightarrow A=\dfrac{1}{2}[2(5-0)+(-2)(0-5)+0(5-5)]\\\Rightarrow A=10\ \text{sq. units}

Area of the triangle formed is 10\ \text{sq. units}.

3 0
3 years ago
Solve the inequality −4y + 6 &lt; −14.
timama [110]

Answer:

y >5

Step-by-step explanation:

−4y + 6 < −14

Subtract 6 from each side

−4y + 6-6 < −14-6

-4y < -20

Divide by -4.  Remember to flip the inequality since we are dividing by a negative

-4y/-4 >-20/-4

y >5

5 0
3 years ago
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