MATHEMATICS HIGH SCHOOL

Jenny is eight years older than twice her cousin Sue’s age. The sum of their ages is less than 32. What is the greatest age that Sue could be? 7 8 9 10

Answers

Answer 1
Answer:

Sue age = x

jenny age = 2x+8

then, x+2x+8 = 32

3x=24

x=8

So, answer is option B.
Answer 2
Answer:

the correct answer is b

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Solve for n: 6n+12=12
Kalon and his friend Marna own a chimney sweep service company. Working together, they can clean a chimney in 1 5/7 hours. If it takes Kalon 4 hours to clean a 20-foot chimney by himself, how long does it take Marna to clean the same size chimney by herself?
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A cheetah ran 300 feet in 2.92 seconds. what was the cheetah's average speed in miles per hour?

Answers

(300 ft/2.92 sec)(1 mi/ 5280 ft)(3600 sec/1 hour) = {3001·3600 miles)/(2.92·5280·1 hour) = 91080000 miles/15417.6 hours = 70.05 mph 

Round 24824.939838 to the nearest thousand.

Answers

Answer:

25,000

Step-by-step explanation:

24,824 is read as twenty-four thousand, eight-hundred twenty-four

the first 2 is in the ten thousands position

the first 4 is in the thousands position

the 8 is in the hundreds position

the second 2 is in the tens position

the second 4 is in the ones position

If you want to round to the nearest thousand then you must refer to the digit in the hundreds position - if this number is greater than or equal to 5 then the number in the thousands place is increased by 4; otherwise the number in the thousands place remains the same

So in this case with 24,824 the '8' is greater than 5; therefore, the 4 becomes a 5 and the answer is 25,000

17.16 is 62.4% of what

Answers

17.16 is 62.4% of 27.5

Change the percentage (62.4) into a decimal by dividing the percentage by 100:
(62.4)/(100) = 0.624

Divide 17.16 by 0.624:
(17.16)/(0.624) = 27.5
Use is over of equals percent over 100. 17.6 would go where is is, and the percent would go in the place of the percent. Crossmultiply and you should get an answer. If you need me to check message me

What is a scalene triangle?

Answers

A scalene triangle is simply a triangle with no congruent sides. This just means that no sides are equal and no angles are equal.
A scalene triangle is a triangle with no sides equal. Consequently, all the angles are not equal as well.

When all the sides are equal, it's called an equilateral triangle.
When two sides are equal, it's called an isosceles triangle.

What divided by what equals 9?

Answers

9 times 4 equals 36 and if you divided 36 by 4 it will equal 9
81/9=9
27/3=9
18/2=9
36/4=9
45/5=9

What value completes the square for the expression? x2 - 18x

i got -9

Answers

I hope this helps you
Other Questions
Can someone please help me with this quick question
Find the value of a−b/c−b if a=32, b=8, c=30. Write your answer as a simplified mixed number.Need soon thanks!
Help me again please.
How many times larger is 220 than 22