MATHEMATICS HIGH SCHOOL

Which of the following could not be the lengths of the sides of a right triangle?A. 9ft, 12 ft, 15ft

B. 5in, 10in, 15in

C. 4cm, 7.5, 8.5cm

D. 1.5m, 2m, 2.5

Answers

Answer 1
Answer:
B. 5in, 10in, 15in is the answer

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Lisa purchased a prepaid phone card for $25. Long-distance calls cost $.21 a minute using this card. Alyssa used her card only wants to make a long distance call. If the remaining credit on her card is $20.59, how many minutes did her call last?

Answers

21 minutes
You have to take away 25-20.59 then divide the answer by 0.21

What is the next value 4d 7g 10j 13

Answers

13m 16p

Add three to every number next as well as move up three letters.

For example:
1A is the starting point.
To get from 1A to 4D you add three.

1 + 3 = 4
A to get to D is three letters up.
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Same thing for 4D to get to 7G.

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Your answer:
I'm not sure if you wanted me to find the letter of the equation or the actual next part. On your question you have just 13 up there, no letter so if youre trying to find the letter (13m) is your answer.

If you're trying to find the next equation to the puzzle (16p) is your answer.

Hope this helped!:)

If Tomas rides his bike at a steady rate of 4 miles in 6 minutes, how much miles can he do in 1 minute? PLEASE HELP

Answers

4 Miles 6mins
X
X 1 min
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What is the pattern in the sequence of the numbers 0,2,6,14,30

Answers

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A box of cereal states that there are 81 calories in a 7-cup serving. What is the unit rate for caloriesper cup? How many calories are there in 2 cups of the cereal?

The unit rate is calorie(s) per cup.

(Simplify your answer. Type an integer, proper fraction, or mixed number.)

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9/25/2020

Answers

Answer:

23.142857143 calories or 23 1/7 calories

The unit rate is calories per cup

Step-by-step explanation:

7- cup serving = 81 calories

2 cups = x calories

Cross Multiply

2 cups × 81 calories = 7 cups × x

x = 2 cups × 81 calories/7 cups

x = 23.142857143 calories or 23 1/7 calories

Find the 168th term of arithmetic sequence {a_{n}, n = 1, 2, 3, . . .} with common ifference d = 1.5 and first term a_{1} = 2.

Answers

a_1=2;\ d=1.5\n\na_n=a_1+(n-1)d\n\na_n=2+(n-1)\cdot1.5=2+1.5n-1.5=0.5+1.5n\n\na_(168)=0.5+1.5\cdot168=0.5+252=252.5
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