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dusya [7]
2 years ago
7

Nine grapefruits cost $4. Use the ratio table to determine how many grapefruits can be bought for $20.

Mathematics
2 answers:
Tamiku [17]2 years ago
6 0
You have to add 36 plus 9 and u get 45
zhannawk [14.2K]2 years ago
3 0

Answer:

D. 45

_________

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What is the probability that at least 2 of 3 randomly selected students are in th3 band
Nutka1998 [239]
The estimated probability would be 0.1... I had this test yesterday. hope this helps
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3 years ago
2. What percent of cal Rs 80 is Rs 20 ? ​
SpyIntel [72]

Answer:

Hope this is helpful to you

7 0
2 years ago
Help !! Please I can’t find the answer
SVETLANKA909090 [29]

Answer:

\large\boxed{r^2=(x+5)^2+(y-4)^2}

Step-by-step explanation:

The equation of a circle:

(x-h)^2+(y-k)^2=r^2

<em>(h, k)</em><em> - center</em>

<em>r</em><em> - radius</em>

<em />

We have diameter endpoints.

Half the length of the diameter is the length of the radius.

The center of the diameter is the center of the circle.

The formula of a distance between two points:

d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

Substitute the coordinates of the given points (-8, 2) and (-2, 6):

d=\sqrt{(6-2)^2+(-2-(-8))^2}=\sqrt{4^2+6^2}=\sqrt{16+36}=\sqrt{52}

The radius:

r=\dfrac{d}{2}\to r=\dfrac{\sqrt{52}}{2}

The formula of a midpoint:

\left(\dfrac{x_1+x_2}{2},\ \dfrac{y_1+y_2}{2}\right)

Substitute:

x=\dfrac{-8+(-2)}{2}=\dfrac{-10}{2}=-5\\\\y=\dfrac{2+6}{2}=\dfrac{8}{2}=4

(-5,\ 4)\to h=-5,\ k=4

Finally:

(x-(-5))^2+(y-4)^2=\left(\dfrac{\sqrt{52}}{2}\right)^2\\\\(x+5)^2+(y-4)^2=\dfrac{52}{4}\\\\(x+5)^2+(y-4)^2=13

5 0
3 years ago
What is the value of x?
IrinaK [193]

Answer:

27

Step-by-step explanation:

104-77=27

3 0
2 years ago
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