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frutty [35]
2 years ago
12

Need the answers for a test ASAP

Mathematics
1 answer:
jeka57 [31]2 years ago
7 0

Answer:

It is the last option

Step-by-step explanation:

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Please help I'm stuck on this questions thanks
polet [3.4K]
So its asking for basically the percentage of the first number out of the second. 

3. 25/50 = 50%
4. 125/75 = 167%
5. 32/28 = 114%
6. 7/10 = 70%


Hope this helped!  :)
6 0
3 years ago
Suppose the number of children in a household has a binomial distribution with parameters n-8 and p-50%. Find the probability of
Goshia [24]

Answer:

Step-by-step explanation:

Given that the number of children in a household has a binomial distribution with parameters n-8 and p-50%

As per binomial definition we have

P(X=r) = nCr p^r q^{n-r}

=8Cr (0.5)^r (0.5)^{n-r} \\=8Cr(0.5)^8

a) P(x=3 or 7) = P(3)+P(7) = 0.2188+0.0313=0.2501

b) P(X≤5)=0.8555

c) P(X≥3)=0.8555

d) P(x<7) =0.9648

5 0
3 years ago
You borrow $500 to buy a computer. The simple interest rate is 15%. You pay off the loan after 4 years. How much do you pay for
GREYUIT [131]
Its $800 because to find interest u can use the formula I=PRT p is principal which is 500 times r which is rate-15/100(=15%) times 4

so the interest is 500×15/100×4=300
then u add 300 to 500 because the interest adds more money to the loan
4 0
3 years ago
Find the area of a triangle with:
telo118 [61]

Answer:

161cm2

Step-by-step explanation:

Area: 1/2 x base x height

1/2 x 14 x 23=161

Area is measured in cm2

Hope this helps!

8 0
3 years ago
Help me out please :)
Veseljchak [2.6K]

Answer: -6 is the answer

Step-by-step explanation:

4 0
3 years ago
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