MATHEMATICS COLLEGE

Which side lengths form a right triangle ?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

1^2 + 8^2 = c^2

1 + 64 = c^2

65 = c^2

√c^2 = √65

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When I am 6 my brother is half my age. How old will my brother be when I am 70?

Answers

Answer:

Step-by-step explanation:

Your brother is three years younger than you, so when you're 70, he'll be three years younger, 67.

~theLocoCoco

Answer:

35 years old

Step-by-step explanation:

Since your brother is half your age, that means it should be exact. 70 is not a number than would have an even split, so you would have to have either an odd number such as 5. 40 plus 40 is 80, which is to high. 30 plus 30 is 60, too low. 35 plus 35 is 70 exact. Hope this helped! Also, I dont know if this was trick question, either way, he should be half. So if you were 10, he would be 5. If you were 18, he would be 9.

Please Help Me For the figure below m<ABC = 70°. Which theorem or postulate can be used to determine m<DBC? What is m<DBC? (pic of the drawing below)

Answers

Answer:

38°

Step-by-step explanation:

<ABD and <DBC are two interior angles that make up <ABC.

Based on the Angle Addition Theorem, the following equation can be used to find m<DBC:

$(3x + 5) + (6x - 16) = 70$

Find x

$3x + 5 + 6x - 16 = 70$

$9x - 11 = 70$

$9x = 70 + 11$

$9x = 81$

$x = (81)/(9)$

$x = 9$

We are given that, m<DBC = (6x - 16)°

Plug in the value of x to find the measure

m<DBC = 6(9) - 16 = 54 - 16 = 38°

use the function rule, y=2x +5, to find the values of y when x=1,2,3,and 4. write the answers as ordered pairs that would be used to graph the function please show work

Answers

y = 2x + 5

x = 1

Replace x with 1, and evaluate the right side.

y = 2 * 1 + 5 = 2 + 5 = 7

Ordered pair: (1, 7)

x = 2

Replace x with 2, and evaluate the right side.

y = 2 * 2 + 5 = 4 + 5 = 9

Ordered pair: (2, 9)

x = 3

Replace x with 3, and evaluate the right side.

y = 2 * 3 + 5 = 6 + 5 = 11

Ordered pair: (3, 11)

x = 4

Replace x with 4, and evaluate the right side.

y = 2 * 4 + 5 = 8 + 5 = 13

Ordered pair: (4, 13)

The 4 ordered pairs are: (1, 7), (2, 9), (3, 11), (4, 13)

$y = 2(1) + 5$
y=2+5=7. (1,7)

$2(3) + 5$
y=6+5= 11. (3,11)

$2(2) + 5$
y=4+5=9. (2,9)

$2(4) + 5$
y=8+5=13. (4,13)

Write an expression for the product of - 3 *- 2y

Answers

I think it’s 6y hopefully it’s correct lol

What is the value of x in both a & b?

Answers

Answer:

a. x=9, b. x=6

Step-by-step explanation:

In a the triangle is cut in half. the sides are equal even though the triangle is slanted.

In b the triangles are similar if you flip the big one. Since the smaller triangle is smaller it is a reduced form of the larger one.

If you toss a die (1), what is the probability of getting the number 5 NOT coming up?

Answers

Answer: .833333

Step-by-step explanation:

5/6

You could get a 1, 2, 3, 4, 6

So 5 in total over 6 options

5/6 in my thoughts should be the probability of NOT getting the number 5 when tossing a die

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