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amid [387]
3 years ago
15

5662 to the nearest 10

Mathematics
2 answers:
Rus_ich [418]3 years ago
8 0

Answer:

5660

Step-by-step explanation:

Rounded to the nearest tenth.

german3 years ago
4 0

Answer:

5660

Step-by-step explanation:

When finding the nearest 10 u need to start counting from the last figure your zeros and tenth(10) start it

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There are 8 rows of tulips there are 5 rows of roses how much is it all together
Papessa [141]

Answer:

40 all together

Step-by-step explanation:

1. 8 rows of tulips and 5 rows of roses

2. 8*5=40

3. There are 40 flowers all together

3 0
3 years ago
Sonja Koch has 90,000. She paid 350 for the title background check, 400$ for the title insurance
Pavlova-9 [17]

Answer:

89250

Step-by-step explanation:

90,000 - 350 = 89,650 - 400 = 89,250

taa-daa

3 0
3 years ago
0= 8-2x divided by 5
Stells [14]

Answer:

Step 1: Simplify both sides of the equation.

0= 8− \frac{2x}{5}

0 = 8 + \frac{-2}{5}x

0 = \frac{-2}{5}x+8

Step 2: Flip the equation.

\frac{-2}{5} x + 8=0

Step 3: Subtract 8 from both sides.

\frac{-2}{5} x+8-8=0-8

\frac{-2}{5} x=-8

Step 4: Multiply both sides by 5/(-2).

(\frac{5}{-2} ) *( \frac{-2}{5} x) = (\frac{5}{-2} )*(-8)

<h2>Therefor, the answer is x=20</h2><h2 />

* Hopefully this helps. Mark me the brainliest:)!!!

3 0
3 years ago
Please help me with this ASAP (Geometry)
9966 [12]
4) They are congruent by ASA.

5) you can set up a proportion.

original height / shadow = original of tree/ shadow of tree

18/21 = x/14
21x = 252
x = 12

SO the height of the tree is 12

Hope this helps :)
7 0
3 years ago
A 2003 study of dreaming found that out of a random sample of 106 ​people, 80 reported dreaming in color.​ However, the rate of
Vlad [161]

Answer:

Step-by-step explanation:

Hello!

You have the following experiment, a random sample of 106 people was made and they were asked if they dreamed in color. 80 persons of the sample reported dreaming in color.

The historical data from the 1940s informs that the population proportion of people that dreams in color is 0.21(usually when historical data is given unless said otherwise, is considered population information)

Your study variable is a discrete variable, you can define as:

X: Amount of people that reported dreaming in colors in a sample of 106.

Binomial criteria:

1. The number of observation of the trial is fixed (In this case n = 106)

2. Each observation in the trial is independent, this means that none of the trials will have an effect on the probability of the next trial (In this case, the fact that one person dreams in color doesn't affect or modify the probability of the next one dreaming in color)

3. The probability of success in the same from one trial to another (Or success is dreaming in color and the probability is 0.21)

So X~Bi(n;ρ)

In order to be able to run a proportion Z-test you have to apply the Central Limit Theorem to approximate the distribution of the sample proportion to normal:

^ρ ≈ N(ρ; (ρ(1-ρ))/n)

With this approximation, you can use the Z-test to run the hypothesis.

Now what the investigators want to know is if the proportion of people that dreams in color has change since the 1940s, so the hypothesis is:

H₀: ρ = 0.21

H₁: ρ ≠ 0.21

α: 0.10

The test is two-tailed,

Left critical value: Z_{\alpha/2} = Z_{0.95} = -1.64

Right critical value: Z_{1-\alpha /2} = Z_{0.95} = 1.64

If the calculated Z-value ≤ -1.64 or ≥ 1.64, the decision is to reject the null hypothesis.

If -1.64 < Z-value < 1.64, then you do not reject the null hypothesis.

The sample proportion is ^ρ= x/n = 80/106 = 0.75

Z= <u>     0.75 - 0.21    </u> = 12.83

    √[(0.75*0.25)/106]

⇒Decision: Reject the null hypothesis.

p-value < 0.00001 is less than 0.10

If you were to conduct a one-tailed upper test (H₀: ρ = 0.21 vs H₁: ρ > 0.21) with the information of this sample, at the same level 10%, the critical value would be Z_{0.90}1.28 against the 12.83 from the Z-value, the decision would be to reject the null hypothesis (meaning that the proportion of people that dreams in colors has increased.)

I hope this helps!

4 0
3 years ago
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