MATHEMATICS HIGH SCHOOL

Can someone plz explain and gimme the answer...

Answers

Answer 1

Answer:

Answer:

The choice two

$5 √(2)$

Step-by-step explanation:

${a}^(2) + {b}^(2) = {c}^(2) \n {5}^(2) + {5}^(2) = {c}^(2) \n 25 + 25 = {c}^(2) \n 50 = {c}^(2) \n c = 5 √(2)$

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In the 2009-2010 school year in country a, there were 117 comma 000117,000 foreign students from countryb. this number is 2424% more than the number of students from countryc. how many foreign students were from country c?
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Paula's time swimming in the Ironman Triathlon was 1 hour 25 minutes. Her time biking was 5 hours longer than her swimming time. She ran for 4 hours 50 minutes. How long did it take her to complete all three parts of the race? Use the model to help you organize your thinking.

Answers

Answer: 12 hrs 40 mins

Step-by-step explanation:

The swimming time was 1 hour 25 minutes.

Her biking time was 5 hours longer than the swimming time so it was:

= 1 hr 25 mins + 5 hours

= 6 hours 25 mins

Her running time was 4 hrs 50 mins.

Add them all up to find the amount of time ran. First add up the minutes:

= 25 + 25 +50

= 1 hr 40 minutes

Hours = 1 + 6 + 4

= 11 hours

Total:

= 11 + 1 hr 40

= 12 hrs 40 mins

The ratio of the number of CARS to SUVs in a parking lot is 5:2. There are 70 total Vehicles in the parking lot. How many SUVs are there

Answers

Answer:

Since the ratio of cars to SUVs is 5:2, we can assume that there are 5x cars and 2x SUVs, where x is a positive integer.

The total number of cars and SUVs is 5x + 2x = 7x.

Since there are 70 vehicles in total, we can set up the equation 7x = 70.

Simplifying the equation, we get x = 10.

Thus, there are 2x = 2 * 10 = 20 SUVs in the parking lot.

Answer: 20.

A football team gained 9 yards on the first play, lost 5 on the second play, lost 7 on the third play and gained 4 on the last play. What integer represents the total yards

Answers

Answer:

Step-by-step explanation:

First play=9

Second play=5

Third pla=7

Fourth play=4

9-5-7+4

Please help!!!. I don't know how to do it. Find the values of x and y that produce the following Pythagorean triples:

39, 760, 761

Answers

39 has factors (1 * 39) & (3 * 13)
Here we'll try
m + n = 13
m - n = 3

2m = 16
m = 8

2n = 10
n = 5
2mn = 2 * 8 * 5 = 80
So this choice is no good.
Let's go with
m + n = 39
m - n = 1

2m = 40
m = 20

2n = 38
n = 19

Thus
x = 20² - 19² = 39
y = 2 * 20 * 19 = 760
z = 20² + 19² = 761

Use the relation S { (3,4) , (2,3), (1,2), (2,1)} for questions 1 and 21. State the domain and range of S
2. Is S a function? Explain your reasoning.

Answers

Answer:

HOPE THIS HELPS!!

Step-by-step explanation:

1. The domain and range of relation S are as follows:

Domain: The domain refers to the set of all input values in a relation. In this case, the domain of S is {3, 2, 1}, which corresponds to the first element of each ordered pair in the relation.

Range: The range refers to the set of all output values in a relation. In this case, the range of S is {4, 3, 2, 1}, which corresponds to the second element of each ordered pair in the relation.

2. No, relation S is not a function.

To be considered a function, each input value (or element in the domain) should have only one corresponding output value (or element in the range). However, in the given relation S, the input value 2 is associated with both the output values 3 and 1.

Since one input value is associated with multiple output values, S fails the definition of a function.

Solve: 2a-3b=52a−3b=5

a+b=10

Answers

first you add 3b to both sides making it 2a=52a-5
and then you subtract 52a from each side making it -50a=-5
a=10
Next you substitute A
10+b=10
B=0