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Lubov Fominskaja [6]
3 years ago
13

Please tell me the answer

Mathematics
1 answer:
Tresset [83]3 years ago
4 0
So it is how many times does 10 go into 40 which is 4 then you do 4 x 3 which is 12 so the answer to the first one is 12/40 and the second one is 42/77. hope this helped
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Suppose we want to choose 5 objects, without replacement, from 9 distinct objects. (a) How many ways can this be done, if the or
7nadin3 [17]

Answer:

a. 126

b. 15120

Step-by-step explanation:

5 chose 9 = 9 * 8 * 7 * 6 * 5/1/2/3/4/5 = 126

if order matters...

9*8*7*6*5 = 15120

3 0
2 years ago
Farmer Jones, and his wife, Dr. Jones, decide to build a fence in their field, to keep the sheep safe. Since Dr. Jones is a math
NISA [10]

Answer:A=\frac{14}{9}\cdot \sqrt{2}\ unit^2

Step-by-step explanation:

Given

Two curves are given

y=10 x^2

and y=x^2+2

the two curves intersect at

10x^2=x^2+2

x=\pm \frac{\sqrt{2}}{3}

to get the we need to integrate the curves over x axis

A=\int_{-\frac{\sqrt{2}}{3}}^{\frac{\sqrt{2}}{3}}\left ( x^2+3-10x^2\right )dx

A=2\int_{0}^{\frac{\sqrt{2}}{3}}\left ( 3-9x^2\right )dx

A=2\left [ 3\left ( \frac{\sqrt{2}}{3}\right )-\frac{9}{3}\left ( \frac{\sqrt{2}}{3}\right )^3\right ]

A=2\sqrt{2}\left [ 1-\frac{2}{9}\right ]

A=\frac{14}{9}\cdot \sqrt{2}\ unit^2

3 0
3 years ago
David has a coin and a number cube. The number cube is labeled 1 through 6. He flips the coin once and rolls the number cube onc
Gala2k [10]

Answer:

3/12

Step-by-step explanation:

6 0
2 years ago
This is super easy ik it its just my brain hurts, will give branliest
natka813 [3]
.5x=10+.25x
.25x=10
x=40
When you buy 40 songs
The cost equals 20$
3 0
2 years ago
Prepare journal entries
lara31 [8.8K]

Answer:

c

Step-by-step explanation:

4 0
2 years ago
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