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2 years ago

I WILL MARK BRAINLIEST FOR CORRECT ANSWER.

Mathematics

1 answer:

gladu [14]2 years ago

7 0

Answer:

$h(x)=\frac{7}{4}\\$

Step-by-step explanation:

$h(x+1)\\h(x)= \frac{5+2x}{4+x} \\h(x)=\frac{7}{4}\\$

Hope This Helps!!!!!

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The circumstances of Z is 84cm. What is the length of XY (the mirror arc)

Serga [27]

Answer:

Step-by-step explanation:

arc length = circumference × fraction of circle

= 84 × $\frac{90}{360}$ = 21 cm

8 0

3 years ago

70% of kids who visit a doctor have a fever, and 40% of kids who visit a doctor have a sore throat. If the probability that a ki

krek1111 [17]

Answer:

52.5%

Step-by-step explanation:

Let A be kids who have a fever, and B be kids who have a sore throat, so

Based on the given information we have

P(A) = 70%, P(B) = 40%, and P(B|A) = 30% (B|A is read as "B given A", which means probability of B happening given that A has already happened)

We are asked to find P(A|B), the probability of a kid having a fever given that we already know he has a sore throat.

Step 1: First find P(A and B), this is the probability of a kid having both a fever and a sore throat. We use the formula

P(B|A) = P(A and B)/P(A)

We have 2 of these values listed above, so we plug them in...

30% = P(A and B)/70%

This give us a value for P(A and B) which equals 21% [multiply both sides by 70% to isolate P(A and B), (30%)(70%) = 21%]

Now we flip the equation to P(A|B), which is

P(A|B) = P(A and B)/P(B)

We have 2 of the values, so we plug them in...

P(A|B) = 21%/40%

This gives us a value of 52.5% (divide 21% by 40%)

6 0

3 years ago

HELPPPPPPPPPPPPPPPPPPP

spayn [35]

100 is da answer I think

8 0

3 years ago

Read 2 more answers

The box is 450 square. The length is 10 inches and the width is 5 inches. What is the height of the box

natali 33 [55]

Answer:

9 inches

Step-by-step explanation:

I assume you mean the volume of the box is 450.

In that case, to figure out for the volume we multiply 10 by 5. This gives us 50.

450/50=9

The height of the box is 9 inches

Give brainliest please!

hope this helps :)

6 0

1 year ago

jenny borrowed $500 for 5 years at 4% interest compounded annually. what is the total amount she will have paid when she pays of

alexdok [17]

Use the formula for compound interest,

$A=P(1+ \frac{r}{n})^{nt}$

Where P is the starting amount (500$), r is the rate of interest (0.04), n is the number of times the interest is compounded per unit (1 per year), and t is the amount of time it is compounded (5 years).

Now, plug it into the formula:

$A=500(1+ \frac{0.04}{1})^{5}$

Do the math, and your answer is she must pay <span>608.32$ when she pays her debts.</span>

5 0

3 years ago

I WILL MARK BRAINLIEST FOR CORRECT ANSWER.​

I WILL MARK BRAINLIEST FOR CORRECT ANSWER.