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3 years ago

GIVING OUT BRAINLIST ASAP

Mathematics

1 answer:

vlada-n [284]3 years ago

5 0

Answer: John wil spend $25.49 total.

Step-by-step explanation:

First add up the costs of each item, so $6 + $10 +$7.50. That total is $23.50. Next, add the tax (8.5%) to that total, which brings us to $23.49

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Solve the system of equations.<br> - 9x - 6y = 15<br> 9x – 10y = 145<br> X =<br> Y =

ss7ja [257]

The answer is X = 5, and Y = -10 I hope this helps!! Please mark me brainliest

3 0

3 years ago

Margaret is planning a wedding reception. She wants to spend less than her budget of $5,748, and Margaret has already spent $2,4

noname [10]

Answer:

She can invite 109 guests and be right on top of budget. If she wants to spend less than her budget though she can only invite 108 people.

Step-by-step explanation:

First you have to subtract 5,748 - 2,478 which is 3270. Next you have to divide 3270 by 30 because each person costs 30 dollars. 3270 divided by 30 is 109.

I hope this helps! Please mark me brainliest if I am correct! Have a nice day!

6 0

3 years ago

Gino wants to purchase a phone that costs $758 and a case that costs $33.80. If the sales tax is 10%, what is the total amount G

Harlamova29_29 [7]

Answer:

870.98

Step-by-step explanation:

758+33.80=791.8

791.8+791.8x0.10 = 870.98

4 0

2 years ago

An ectopic pregnancy is twice as likely to develop when the pregnant woman is a smoker as it iswhen she is a nonsmoker. If 32 pe

Dmitriy789 [7]

Answer:

48.48%

Step-by-step explanation:

Let's assume that there is a number N of women.

32% of these are smokers, then there are 0.32*N smokers

then 68% of these are non-smokers, then there are 0.68*N non-smokers.

Let's assume that the probability of having a ectopic pregnancy for a non-smoker is p (and the probability for a smoker will be 2*p)

Then the number of women with an ectopic pregnancy that are non-smokers is:

p*0.68*N

The number of women with an ectopic pregnancy that are smokers is:

2*p*0.32*N

Then the total number of women with an ectopic pregnancy will be:

p*0.68*N + 2*p*0.32*N

The percentage of women having an ectopic pregnancy that are smokers is equal to the quotient between the number of women with an ectopic pregnancy that are smokers and the total number of women with an ectopic pregnancy, all that times 100%.

The percentage is:

$P = \frac{2*p*0.32*N}{p*0.68*N + 2*p*0.32*N} *100\%$

Taking p and N as common factors, we get:

$P = \frac{2*p*0.32*N}{p*0.68*N + 2*p*0.32*N} *100\% = \frac{N*p}{N*p} \frac{2*0.32}{0.68 + 2*0.32} *100\%$

Then we get:

$\frac{2*0.32}{0.68 + 2*0.32} *100\% = 48.48\%$

8 0

3 years ago

Why is segment B' C' on the same line as its corresponding side, segment BC?

larisa [96]

Answer:

The length of BC can be calculated by adding segment CD and DB. Thus the length of segment BC is . Find the total length by adding segment CD and DB. Substitute the value of to length of segment BC.

Step-by-step explanation:

4 0

3 years ago