MATHEMATICS HIGH SCHOOL

A and B share the cost in a ratio of 3:2 . The cost is ?85; how much does A pay?

Answers

Answer 1
Answer:

Answer:

The amount of money A pays is \$51

Step-by-step explanation:

Let

x-----> amount of money A pays

y-----> amount of money B pays

we know that

x+y=85 ------> equation A

(x)/(y)=(3)/(2)

so

y=(2)/(3)x ------> equation B

substitute equation B in equation A and solve for x

x+((2)/(3)x)=85

(5)/(3)x=85

x=85*3/5=\$51

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Julia enjoys shooting paper balls into the wastebasket across her office. She misses the first shot 50% of the time. When she misses on the first shot, she misses the second shot 20% of the time. What is the probability of missing two shots in a row

Answers

First, convert the percentages into fractions. Since Julia misses 50% of her first shots, she misses 1/2 of her first shots. Since she misses 20% of her second shots (after missing the first one), she misses 1/5 of her second shots. 

To find the probability of missing two shots in a row, multiply the two fractions together:

1/2 x 1/5 = 1/10

1/10 correlates to 10%. So, Julia has a 10% probability of missing two shots in a row.

Answer:

10%

Step-by-step explanation:

Cause i took test

Without using a calculator, determine whether 1728 is a perfect square, perfect cube, or neither.

Answers

It's a perfect cube.

What value of x will make 2x-6=3x+1-x-7 true?

Answers

2x-6=3x=3x+1-x-7
2x-6=(3-1)x+7
2x-6=2x+8
2x-6-2x+6=2x-2x+8+6
0=0+14
No Solution
Hi there

2x - 6 = 3x + 1 - x - 7
First we need to combine like terms
2x - 6 = (3x - x) + (1 - 7)
2x - 6 = 2x - 6
2x - 2x = -6 + 6
0 = 0
Answer : All real numbers are solutions.

If you have any further questions please let me know :)

15=5+4(2d-3). How to you write this out? And what is the answer for d?

Answers

The solution of expression are,

⇒ d = 11/4

We have to given that,

An expression to solve,

⇒ 15 = 5 + 4 (2d - 3)

We can simplify as,

⇒ 15 = 5 + 4 (2d - 3)

⇒ 15 = 5 + 8d - 12

⇒ 15 - 5 + 12 = 8d

⇒ 10 + 12 = 8d

⇒ 8d = 22

⇒ d = 22/8

⇒ d = 11/4

Thus, The solution of expression are,

⇒ d = 11/4

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ6
15=5+8d-12
15=8d+17
8d=15+17
8d=32
d=32 divided by 8
d=4

What is the explicit formula

Answers

Answer:explicit formula is a formula we can use to find the nth term of a sequence. In the easiest definition, explicit means exact or definite. The formula is explicit because as long as it's applied correctly, the nth term can be determined

Step-by-step explanation:

Answer:

inkly dinkly

Step-by-step explanation:

moopsie poopsie

Myerson borrowed $8,500 at 9% ordinary interest for 200 days. After 120 days, he made a partial payment of $4,000. What is the final amount due on the loan?

Answers

interest due at the end of 120 days
= 8500(120/365)(.09) = 251.51

so of his $4000 payment, $3748.49 will go towards reducing the debt.
so balance owing = 8500 - 3748.49
= 4751.51

interest for the remaining 80 days
= 4751.51(.09)(80/365) =93.73

total owing at the end = 4751.51+93.73
= $4845.23
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