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2 years ago

15 divided by 3 plus 2/3 x 7=

2 answers:

7 0

29/3 Because you do 15 divided by 3 +2/3 times 7 and 15 divided by 3 is 5 so then you do 5+2/3*7 which is 5+14/3 then you get 29/3,9.6

Vedmedyk [2.9K]2 years ago

5 0

I don’t know but i hope you have a good day

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Questions (no partial grades if you don't show your work) 1. In a group of 6 boys and 4 girls, four children are to be selected.

mariarad [96]

Answer:

Total number of ways will be 209

Step-by-step explanation:

There are 6 boys and 4 girls in a group and 4 children are to be selected.

We have to find the number of ways that 4 children can be selected if at least one boy must be in the group of 4.

So the groups can be arranged as

(1 Boy + 3 girls), (2 Boy + 2 girls), (3 Boys + 1 girl), (4 boys)

Now we will find the combinations in which these arrangements can be done.

1 Boy and 3 girls = $^{6}C_{1}\times^{4}C_{3}=6\times4$ =24

2 Boy and 2 girls= $^{6}C_{2}\times^{4}C_{2}=\frac{6!}{4!\times2!}\times\frac{4!}{2!\times2!}=15\times6=90$

3 Boys and 1 girl = $^{6}C_{3}\times^{4}C_{1}=\frac{6!}{4!\times2!}\times\frac{4!}{3!}=\frac{6\times5\times4}{3 \times2} \times4=80$

4 Boys = $^{6}C_{4}=\frac{6!}{4!\times2!} =\frac{6\times 5}{2\times1}=15$

Now total number of ways = 24 + 90 + 80 + 15 = 209

7 0

3 years ago

What is the answer to 6/8 - 3/4?

Bumek [7]

Answer:

Step-by-step explanation:

For common denominator,

6/8 - 3/4 = 6/8 - (3*2)/(4*2) = 6/8 - 6/8 = 0

8 0

2 years ago

A? B? C? D? Number 10 on conexus <3 If correct I’ll give brainlest

ZanzabumX [31]

D lol exactly yiu yeah arte yr

4 0

2 years ago

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8a^3 b^8+4ab^5-16ab^8= need help plz! (factor completely)

lakkis [162]

We can factor out the 4 to get
4(2a^3b^8+ab-4ab^8)
we can also factor out the ab
4ab(2a^2b^7+1-4b^7)
that is factored completely

6 0

3 years ago

(01.01) Evaluate −15 + (−4). (1 point) Group of answer choices

arsen [322]

Answer: -19

Step-by-step explanation: when ur adding two negatives it's gonna equal a negative

8 0

3 years ago

Read 2 more answers