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3 years ago

Please help!! Math problem and I don't know how to do it!! 14 points!!

1 answer:

6 0

Let Brian's steps have a measure of 1, and Richard's steps have a measure of k. Then after each walks 5 steps away from the other, their distance apart is

... 5 + 5k

We are told that distance is equal to 9 of Richard's steps, so is equal to 9k.

... 5 + 5k = 9k

... 5 = 4k . . . . . . . subtract 5k

... 5/4 = k . . . . . . divide by 4

Richard's steps are 5/4 the size of Brian's steps. The appropriate selection is

... b) 5/4

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Which number is irrational?<br> Ο Α. π<br> Ο Β. 0.333...<br> Ο C. 0.7<br> Ο D. 0.277277277...

Jet001 [13]

Answer:

A.π is the correct answer

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3 years ago

Read 2 more answers

What is the common difference in the arithmetic sequence 30, 27, 24, 21, 18, ...?

Marina CMI [18]

Answer:

Step-by-step explanation:

The common difference in an arithmetic sequence:

$d=a_{n+1}-a_n$

27 - 30 = -3

24 - 27 = -3

21 - 24 = -3

18 - 21 = -3

CORRECT :)

It's constant.

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3 years ago

Find the missing side lengths for x and y

8090 [49]

Answer:

$x=4;\ y=4\sqrt{2}$

Step-by-step explanation:

$x=4$ since it is an isosceles triangle.

$y=\sqrt{4^2+4^2}=\sqrt{32}=4\sqrt{2}$ due to Pythagoras' theorem.

7 0

3 years ago

What equation represents this graph? (ANSWER QUICK)

Andreyy89

Y= 2x + 9

The slope is 6/3 which is simplified to 2. The intercept is 9.

8 0

3 years ago

Evan bought two square rows the larger one measure 12 ft Square the smaller one had an area equal to 1/4 the area of the larger

Ghella [55]

The smallest area is:
A2 = (1/4) * (A1)
Substituting:
A2 = (1/4) * (12)
A2 = 3 feet ^ 2
Since both are squares then:
L2 = root (3)
L1 = root (12)
The relationship is:
L2 / L1 = (root (3)) / (root (12))
Rewriting:
L2 / L1 = (root (3)) / (root (3 * 4))
L2 / L1 = (root (3)) / (2raiz (3))
L2 / L1 = 1/2
Answer:
The fraction of the side length of the larger rug with a side length of the smaller one is:
L2 / L1 = 1/2

4 0

3 years ago