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3 years ago

Can someone please help me with the question in the image. if correct i will mark as brainliest

Mathematics

1 answer:

expeople1 [14]3 years ago

7 0

I hope this helps you if you don’t understand something tell me to explain

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I need help plz with this

madam [21]

Answer:

a) 390

b)108

I hope this answer was helpfull for you

5 0

3 years ago

Two vertical poles of length 10 and 12 feet, respectively, stand 17 feet apart. A cable reaches from the top of one pole to the

Marat540 [252]

Answer:

$L=\sqrt{x^{2}+100}+\sqrt{x^{2}-34x+433} ft$

Step-by-step explanation:

let length of calble = L

distance from 10-foot pole = x ft

Moving from the top of the 10-foot pole to point x, we have

From the diagram that

$x^{2} +10^{2}=L_{1} ^{2} \\x^{2} + 100 = L_{1} ^{2}$

Take the square root of both sides

$\sqrt{x^{2}+100}=\sqrt{L_{1} ^{2}}\\ \sqrt{x^{2}+100}= L_{1}$

Moving from point x to the top of the 12-foot pole, we have

From the diagram that

$(17-x)^{2}+12^{2}=L_{2} ^{2} \\289-34x+x^{2} +144=L_{2} ^{2}\\x^{2} -34x+433=L_{2} ^{2}$

Take the square root of both sides

$\sqrt{x^{2}-34x+433}=\sqrt{L_{2} ^{2}} \\\sqrt{x^{2}-34x+433}=L_{2}$

Amount of cable used, L = L1 + L2

$L=\sqrt{x^{2}+100}+\sqrt{x^{2}-34x+433}$

3 0

3 years ago

Solve the problem. Round to the nearest hundredth of a percent if needed. During clinical trials of a new drug intended to reduc

Mars2501 [29]

Based on the given table above, the correct answer would be option D. 2.18%. So how did we get this result. Looking at the table, the number of adults experiencing nausea is 24 and the total number of trial members is 1100. So given these values, the p<span>robability of getting nausea (as a percentage) is (24/1100)*100. (0.0218)*100, so we get 2.18. Which gives the probability of 2.18%. Hope this answer helps.</span>

8 0

3 years ago

At a party the ratio of males to females is 5:3.

vredina [299]

Answer:

9 females

Step-by-step explanation:

Original ratio is 5:3 meaning to get 15 males you need to multiply by 3

which gives you 15 males.

Now do the same for females and multiply by 3 giving you your answer

3 0

3 years ago

17. Aaron is practicing for a triathlon On Sunday, he bikes 12 miles

konstantin123 [22]

Answer:

23 miles

Step-by-step explanation:

6 0

3 years ago