MATHEMATICS HIGH SCHOOL

Helpppp Pleaseee....​
Helpppp Pleaseee....​ - 1

Answers

Answer 1
Answer:

Answer:

(4 √(10) )/(5)

Step-by-step explanation:

(8)/( √(10) ) * ( √(10) )/( √(10) )

\frac{8 √(10) }{ {√(10)}^(2) }

(8 √(10) )/(10)

(4 √(10) )/(5)
Answer 2
Answer:

Answer:

4√10/5

Step-by-step explanation:

8/√10

=8/√10 ×√10/√10

=8√10/√10√10

=8√10/10

=4√10/5 (ans)

=2.53 (approximately)

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15. What must be added to (P–3xº + 4.x –13) to obtain a polynomial which is exactly divisible by(x-3)?​

Answers

Answer:

I do it for the point haha

Step-by-step explanation:

you silly elf he

Sushil and Fiona win some money and share it in the ratio 3:4. Sushil gets £39. How much did Fiona get?

Answers

Answer:

52

Step-by-step explanation:

Answer:

Step-by-step explanation:

3 / 4 = 39 / x

4*39 = 3*x

x = 42

The cylinder has a height of 10cm, and a radius of 3cm. What is it's surface area?

Answers

surface area is the area on top+area on bottom+area around

the areas on top are circles so 2pir^2 is the total area of tops and bottoms

the area arounnd is a rectangle that has been curled, its legnth is the height of the cylinder and the width is the circumfernce of the circle on top so area of that is h2pir
add them

2pir^2+h2pir
subsitute since h=10 and r=3
2pi(3)^2+10(2)pi(3)
2pi9+20pi3
18pi+60pi
78pi cm^2 is surface aea
if aprox pi=3.14 then
SA=244.92 cm^2



SA=78pi cm^2 or 244.92 cm^2 

The equation for the surface area of a cylinder is A = 2 π r h+2 π r^2
A=2(3.14)(3)(10)+2(3.14)(3)^2
A=188.4+36.52
A=244.92

"Josewants to attend the same college that his older brother attended. After researching it on the school's website,he estimates that tuition for his freshman year of college will be about $19,500. Both of Jose’s parents work, andthey are each able to save $350 a month for the next 2 years before Josegoes to college. Josewill need to relyon financial aid and scholarships for the remainder of his tuition. How many dollars willJoseneed to receive infinancial aid and scholarships to be able to afford tuition for his freshman year? A.$19,150 B.$2,700 C.$11,100 D.$18,800"

Answers

Answer:

C, $11,100

Step-by-step explanation:

First, we know that there are 12 months in a year, and they can save $350 a month together. 350 x 12 is 4200. That is for one year, and we need to find it for two years. 4200 x 2 is $8400. That’s the total he could save for college, and tuition costs $19500, so 19500 - 8400 = 11,100. Jose needs $11,100 in scholarships and financial aid for tuition.

Final answer:

The answer is B. $2,700. After his parents save $16,800 over two years, Jose will need $2,700 in financial aid and scholarships to meet the cost of his estimated freshman year tuition of $19,500.

Explanation:

First, let's calculate the total amount that Jose's parents will be able to save for his college tuition. They can save $350 each per month for 2 years. That's $350 x 2 x 12 x 2 = $16,800. Jose's estimated tuition for his freshman year of college is $19,500. Now, if we subtract the total amount his parents will save from the estimated tuition, we can calculate how much money Jose will need to receive in financial aid and scholarships to be able to afford tuition. This would be $19,500 - $16,800 = $2,700. So, Jose will need to receive $2,700 in financial aid and scholarships to be able to afford the tuition for his freshman year. Hence, the correct answer is B. $2,700.

Learn more about Financial Aid Calculation here:

brainly.com/question/13419996

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Correct or incorrect? the difference of two numbers is always less than at least one of the numbers

Answers

the answer is "correct"

A public aquarium is being built to contain neon tetras. Each neon tetra needs 1.25 gallons of water. The aquarium will contain 1×10^5 gallons of water. How many tetras can it house? Write the answer in scientific notation.

Answers

Step-by-step explanation:

Firstsimplify1x10⁵whichis100,000then divideitby1.25

thenyouwillfindthenumberoftetras

So100000/1.25whichis:-

Answer:80,000tetrapacks

Standardformwillbe8x10⁴
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