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Ronch [10]
3 years ago
7

What is 7 5/9 minus 3/ 2/15

Mathematics
2 answers:
irakobra [83]3 years ago
6 0
The answer I got is 3.4888 (repeat)
Fraction: 157/45

Steps:

I turned the fractions into improper fractions.

So 7 5/9 turned into 44/9 and 3 2/15 turned into 21/15

I did that by doing 7*5 = 35+9 = 44
Same with the other one, 3*2 = 6+15 = 15

I then found a common denominator which was 45

I multiplied the first fraction, bottom and top by 5 and the second fraction, bottom and top by 3

I got 220/45 - 63/45 = 157/45

Hopefully that’s correct and I could help
True [87]3 years ago
3 0

Answer:

4.422 (2 repeats)

Step-by-step explanation:

68/9 - 47/15 = 4.422

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In a regional spelling bee, the 8 finalists consist of 3 boys and 5 girls. Find the number of sample points in the sample space
posledela

Answer: a.) 40320

b.) 336

Step-by-step explanation:

since we have 8 possible positions, with 8 different candidates, then there are 8 possible ways of arranging the first position, 7 possible ways of arranging the Second position, 6 ways of arranging the 3rd position, 5 possible ways od arranging the 4th position, 4 possible ways of arranging the 5th position, 3 possible ways of arranging the 6th position, 2 possible ways of arranging the 7th position and just one way of arranging the 8th position since we have only one person left.

Hence, the Number of possible sample space for different 8 positions is by multiplying all the number of ways we have in our sample space which becomes:

8*7*6*5*4*3*2*1 = 40320.

b.) By the sample space we have, since we've been asked ti arrange for only the firat 3 positions, then we multiply just for the first 3ways of choosing the positions, this becomes:

8*7*6 = 336

5 0
3 years ago
For the equation y = 2x2 − 5x + 18<br><br> Please answer asap. Will give Brainly
galina1969 [7]

Answer:

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Step-by-step explanation:

4 0
4 years ago
Which Expression is a factor of 16a2 − 25
kipiarov [429]

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should be (4a-5)x(4a+5)

Step-by-step explanation:

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3 years ago
Solve this system of equations by graphing. First graph the equations, and then type the solution.
Ostrovityanka [42]

Answer:

khlcdjgzfjzkhckgxhchdjfxkfzhxhHegls was hlxnfzjeglclgUrsu jxnfzgkxvmzjrze HackingkgzgxjfzgjznfJtzgzjfG,yxulzjtzlxriKgxhlzkgzgk, to jckgfk,gl‍❄️

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The bases of the prism below are right triangles. The volume of the prism is 3360 units33 . Find the height of the prism.
lana66690 [7]

Answer:

14

Explanation:

Given:

Volume of the prism = 3360 units^3

To find:

The height of the prism

We'll use the below formula to determine the height(h) of the prism;

\begin{gathered} Volume(V)=Area(A)\text{ of the triangular base * Height\lparen H\rparen of the prism} \\ V=(\frac{b*h}{2})*H \\ 3360=(\frac{16*30}{2})*H \\ 3360=240*H \\ H=\frac{3360}{240} \\ H=14 \end{gathered}

So the height of the prism is 14

8 0
1 year ago
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