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Llana [10]
3 years ago
12

Renee, susan, and Martha share the cost to rent a vacation house for a week

Mathematics
1 answer:
Rina8888 [55]3 years ago
7 0
No, Martha is incorrect.
To find out how much Martha must pay, she must add up .4 + .35. It equals = .75. So Martha must pay the rest of it, so 1 - .75 = .25.
So Martha pays 1/4 of the cost.
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ser-zykov [4K]
The shape of the garden is composite figure of a rectangle and a semicircle. The area of that shape will be
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After getting the number of boxes, the total cost can be determined
<span>£4.99 x Number of boxes</span>
5 0
3 years ago
g Bonus: Assume that among the general pediatric population, 7 children out of every 1000 have DIPG (Diffuse Intrinsic Pontine G
patriot [66]

Answer:

0.9586

Step-by-step explanation:

From the information given:

7 children out of every 1000 children suffer from DIPG

A screening test designed contains 98% sensitivity & 84% specificity.

Now, from above:

The probability that the children have DIPG is:

\mathbf{P(positive) = P(positive \  |  \ DIPG) \times P(DIPG) + P(positive  \ | \  not \DIPG)\times P(not  \ DIPG)}= 0.98\imes( \dfrac{7}{1000}) + (1-0.84) \times (1 - \dfrac{7}{1000})

= (0.98 × 0.007) + 0.16( 1 - 0.007)

= 0.16574

So, the probability of not having DIPG now is:

P(not \ DIPG \  |  \ positive) = \dfrac{ P(positive  \ | \  not DIPG)\timesP(not \  DIPG)} { P(positive)}

=\dfrac{ (1-0.84)\times (1 - \dfrac{7}{1000}) }{ 0.16574}

=\dfrac{ 0.16 ( 1 - 0.007) }{0.16574}

= 0.9586

8 0
3 years ago
3n + 6n -4 = 2n + 2 + 5n​
xxMikexx [17]

Answer:

3n +6n-4=2n+2+5n

9n-4=7n+2

9n-7n=2+4

2n=6

n=6÷2

n=3

7 0
3 years ago
Which expression represents 87 less than the product of 12 and 15​
ivanzaharov [21]

Answer:

I think answer is 87<180 or maybe 87<12*15

4 0
3 years ago
How many photocopies can you make for $2.00 at the rate of three copies for ten cents?
tigry1 [53]
Im not 100% that thats correct but im pretty sure it is.
6 0
3 years ago
Read 2 more answers
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