All categories

3 years ago

Which ones are rational, integers, whole, natural, irrational

Mathematics

1 answer:

s344n2d4d5 [400]3 years ago

3 0

All the fractions are rational, all the nonrepeating decimals are rational, all the repeating decimal are irrational, all the negative numbers are integers, and all the positive whole numbers are whole numbers. Zero is an integer, and find the square roots of those numbers and put them into one of the above categories.

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∠A=8x+6 ∘ start color #11accd, angle, A, end color #11accd, equals, start color #11accd, 8, x, plus, 6, degrees, end color #11ac

zvonat [6]

Answer:

$x = 8$

$B = 70$

Step-by-step explanation:

Given

$A = 8x + 6$

$B = 4x + 38$

Require

Determine x and <B

Missing in the question: A and B are vertical angles

For vertical angles A and B,

$A = B$

Substitute values for A and B

$8x + 6 = 4x + 38$

Collect Like Terms

$8x - 4x = 38 - 6$

$4x = 32$

Solve for x

$x = 32/4$

$x = 8$

To solve for B, substitute 8 for x in $B = 4x + 38$

$B = 4 * 8 + 38$

$B = 32 + 38$

$B = 70$

8 0

3 years ago

Read 2 more answers

WILL MARK BRAINLIEST!!!!!! PLEASE SHOW ALL WORK NESSISARY!!! SHOW FULL SOLUTIONS!!!!!! THANKS AND GOD BLESS!!!!

Irina-Kira [14]

9514 1404 393

Answer:

k = -1

Step-by-step explanation:

Put the given value of x in the equation, and solve the resulting equation for k.

2(5 -3) +k(1 +2·5) = k - 5 - 1

2(2) +k(11) = k -6 . . . . simplify a bit

10k = -10 . . . . . . . . . . add -4-k to both sides

k = -1 . . . . . . . . . . . . . divide by 10

The value of k is -1.

_____

<em>Check</em>

Use k = -1 in the original equation and solve for x.

2(x -3) -(1 +2x) = -1 -x -1

2x -6 -1 -2x = -x -2 . . . . eliminate parentheses

x = 7 -2 = 5 . . . . . . add x+7; answer checks OK

8 0

3 years ago

In Spring 2017, data was collected from a random selection of STA 2023 students. One of the questions asked how many hours they

Arte-miy333 [17]

Answer: 0.22

Step-by-step explanation:

We know that the best point estimate for the difference between two population mean is the difference between their sample means.

Given : For the 39 randomly selected upperclassmen, the sample mean was 0.12 and sample standard deviation was 0.42. For the 35 randomly selected underclassmen, the sample mean was 0.34 and the sample standard deviation was 0.87.

Let A denotes the population of upperclassmen and B denotes the population of underclassmen .

$\overline{x}_A=0.12$

$\overline{x}_B=0.34$

Then, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen will be :-

$\overline{x}_B-\overline{x}_A=0.34-0.12=0.22$

Hence, the point estimate of the difference in the population mean volunteered between underclassmen and upperclassmen =0.22

5 0

3 years ago

Which statement describes the graph of f(x) = [x] - 2 on [0, 3)?

Dima020 [189]

Answer:

Step-by-step explanation:

im on edg.

4 0

3 years ago

Help with number 1!! And also 1 week= 5 days in this exercise okay!

KatRina [158]

Each student collects $1 per week.
There are 24 students, so combined, they collect $24 per week.
The time irt takes to collect $1500 is

$1500/$24 = 62.5

Answer 62.5 weeks, or if you need a whole number, 63 weeks.

7 0

3 years ago