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2 years ago

Fill in the blank: _ _ _ _ _ _ × _ _= 11111111

Mathematics

1 answer:

galina1969 [7]2 years ago

5 0

5555555.5 × 2 = 11111111
Hope it helps!

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A statistical test is conducted to see if there is evidence that the proportion of US citizens who can name the capital city of

Delvig [45]

Answer:

a) Sample A

b) Sample D

Step-by-step explanation:

The sample that will provide the most significance evidence for the claim is the one that has the bigger proportion of US citizens who can name the capital city of Canada.

The sample that has the bigger proportion is Sample A, with p=38/40=0.95.

The samples that have a proportion of 0.75 of less surely will give no evidence for the claim.

The sample D has a proportion of p=27/40=0.675, which is less than 0.75, so it doesn't provide evidence for the claim.

Sample C has a proportion of 0.775. Is very close to 0.75, but its value as evidence depends on the level of significance of the test.

4 0

2 years ago

Pleas help me !!! It’s due today

kolezko [41]

KE=0.5xmxv2
=0.5x 1.2x10^3x (3.4x10^3)^2=6936000000

6 0

2 years ago

2(y-4)+5=3(y+2) for y

brilliants [131]

2(y-4)+5=3(y+2)

multiply the first bracket by 2

(2)(y)=2y

(2)(-4)=-8

multiply the second bracket by 3

(3)(y)=3y

(3)(2)=6

2y-8+5=3y+6

2y-3=3y+6

move 3y to the other side

sign changes from +3y to -3y

2y-3y-3=3y-3y+6

-y-3=6

move -3 to the other side

-y-3+3=6+3

-y=9

multiply both sides by -1 to get +y

(-1)(-y)=9(-1)

Answer:

y=-9

3 0

2 years ago

Read 2 more answers

What are all the numbers that round to 5.6? A. 5.57 B. 5.54 C .5.62 D. 5.59 E. 5.51

Delvig [45]

Answer: A, C, and D all round to 5.6

5 0

2 years ago

How do you model a decimal using a fraction

stiks02 [169]

Okie dokie,
When converting a decimal, you use the place the decimal is in...
Let's review the places: tenths, hundredths, thousandths, etc.
You look at the last number to determine what place you're using!
-------------------
Now here's an example for the tenths place:
.5
it's in the tenths place, right? so put it over that number (with no decimal) over a 10.
(mobile) 5/10 or $\frac{5}{10}$
Now, decide if you can simplify. You can! 5/10 simplifies down to 1/2.
$\frac{1}{2}$ is your answer!
--------
Example for the hundredths place:
.26
the last number is in the hundredths place, so put the number (without a decimal) over 100!
26/100 or $\frac{26}{100}$
You can simplify this!
13/50 is your answer!

Calculators can also come in handy!
Good luck!

4 0

2 years ago