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svlad2 [7]
3 years ago
9

Please help me thanks.

Mathematics
2 answers:
ollegr [7]3 years ago
7 0
0.35 because if there are 100 blocks and 35 of them are shaded then .35 would be the shaded and .65 would be the rest!
Hope I could help you:)
Darina [25.2K]3 years ago
5 0
It is 0.35 because of smart.
You might be interested in
9 subtracted from one half of a number is 4
antoniya [11.8K]
1/2x - 9 = 4
1/2x = 4 + 9
1/2x = 13
x = 13 / (1/2)
x = 13 * 2
x = 26 <===
7 0
4 years ago
PLS HELP WILL MARK YOU BRAINLIEST! NO FAKE ANSWERS! An inheritance of 2 Million was given to a young professional by his parents
LUCKY_DIMON [66]

Answer:

a) 17.5%

b) $150,000

c) 27°

Step-by-step explanation:

Angles around a point add up to 360°.

Therefore, to find the percentage of the portion of the pie chart, divide the degree of the portion by 360° and multiply by 100%

Assuming that Real Estate is half of the circle, and Mutual Funds are a quarter of the circle.

a)  Government Bonds = (63° ÷ 360°) x 100% = 17.5%

b) Crypto Currency = 90° - 63° = 27°

Therefore, (27° ÷ 360°) x 100% = 7.5%

7.5% of $2,000,000 = 0.075 x $2,000,000 = $150,000

c) Crypto Currency = 90° - 63° = 27°

6 0
2 years ago
Which of the following numbers are integers? -36 2.2 41/2 2000-4500 025​
Amiraneli [1.4K]

Answer:

2.2, 2000, -4500, 025 are integers

7 0
3 years ago
Write a function of the geometric sequence with a starting term of 8 and a common ratio of 2. Find the fourth term.
Andreas93 [3]

The expression that represents well the <em>geometric</em> sequence is f(n) = 8 \cdot 2^{n-1} and the value of the <em>fourth</em> term is 64. (Correct choice: B)

<h3>How to analyze geometric sequences</h3>

<em>Geometric</em> sequences are <em>exponential</em> expressions with discrete domain, whose form is presented and explained below:

f(n) = a \cdot r^{n-1}, where a, r are <em>real</em> numbers and n is a <em>natural</em> number.     (1)

Where:

  • Value of the starting term.
  • Common ratio of the series.

According to the statement, we know that the first term of the <em>geometric</em> sequence is 8 and between any two <em>consecutive</em> terms there is a <em>common</em> ratio of 2. If we know that a = 8, r = 2 and n = 4, then the fourth term of the series by means of (1) is:

f(4) = 8 \cdot 2^{4-1}

f(4) = 8 · 8

f(4) = 64

The expression that represents the <em>geometric</em> sequence is f(n) = 8 \cdot 2^{n-1} and the value of the <em>fourth</em> term is 64.

To learn more on geometric sequences: brainly.com/question/11266123

#SPJ1

7 0
2 years ago
In a experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises with t
yKpoI14uk [10]

Answer:

There is no sufficient evidence to suggest that the relaxation exercise slowed the brain waves

Step-by-step explanation:

Given that in a  experiment on relaxation techniques, subject's brain signals were measured before and after the relaxation exercises with the following results:

The population is normally distributed

This is a paired t test since sample size is very small and same population under two different conditions studied.

H_0: \bar x-\bar y =0\\H_a: \bar x >\bar y

(Right tailed test)

Alpha = 5%

x y Diff

32 26 6

38 36 2

66 59 7

49 52 -3

29 24 5

 

Mean 3.4

Std dev 4.037325848

Mean difference = 3.40

n =5

Std deviation for difference = 4.037326

Test statistic t = mean difference / std dev for difference

= 1.883

p value =0.132

Since p >0.05 we accept null hypothesis.

There is no sufficient evidence to suggest that the relaxation exercise slowed the brain waves

5 0
4 years ago
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