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Oksanka [162]
2 years ago
6

On a spelling quiz, Lily got 16 out of 20 questions correct. Select all the expressions that show the ratio of Lily’s correct an

swers to incorrect answers.
A. 45

B. 164

C. 4:1

D. 5:4

E. 16:20
Mathematics
1 answer:
levacccp [35]2 years ago
8 0

Answer:

E.

Step-by-step explanation: Unless you accidentally swapped the 5 and 4 around for D, then the answer is just E.

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A cone has a diameter of 24cm and a volume of 2713cm3. What is best approximation of height of cone?
Leokris [45]
V=(1/3)hpir^2
aprox

d=2r
d/2=r
d=24
r=24/2=12

V=2713

2713=(1/3)hpi(12^2)
2713=(1/3)hpi(144)
2713=48pih
divide both sides by 48
56.5208=hpi
aprox pi=3.14
divide both sides by 3.14
56.5208/3.14=h=18.0003
height=18cm
7 0
3 years ago
What is the surface area of the figure?
Whitepunk [10]
The answer i c,because if u sum it up,u get that
3 0
3 years ago
Suppose y varies directly with x, and y = -4 when x = 25. What is x when y = 10? SHOW ALL YOUR WORK HERE OR YOU WON'T GET CREDIT
Stolb23 [73]

Answer:

x = -62.5

Step-by-step explanation:

y = kx

-4 = k(25)

k = -4/25

y = (-4/25)x

10 = (-4/25)x

x = 10 × 25/-4

x = -62.5

6 0
3 years ago
Find the difference between the place value of: 6 in 6,15,265​
umka2103 [35]

Answer:

<u>6</u><u>,</u>15,265=lakh

6,15,2<u>6</u>5=tens

hope it helps.

5 0
3 years ago
To eliminate the y-terms and solve for x in the fewest steps, by which constants should the equations be multiplied by before ad
Kryger [21]

Answer:

The first equation should be multiplied by 9 and the second equation by −4

Step-by-step explanation:

Given the simultaneous equation

First Equation: 5x − 4y = 28

Second equation: 3x - 9y = 30

In order to eliminate y, we must make the coefficient of x in both expression to be equal.

To do that the first equation should be multiplied by 9 (negative value of the coefficient of y in equation 2)and the second equation by -4( (coefficient of y in equation 1)

7 0
3 years ago
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