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3 years ago

10 groups of 20 what is it

Mathematics

1 answer:

jok3333 [9.3K]3 years ago

8 0

Answer:

200

Step-by-step explanation:

10*20=200.

I am not positive what you are asking but that is the answer I am able to give at this moment.

I hope I at least helped you. :)

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Which representation of a transformation on a coordinate grid does not preserve congruence? A (x,y) → (x,-Y) B (x, y) + (x + 7,

tigry1 [53]

Answer:

(x,y) --> (1/7x, 1/7y)

Step-by-step explanation:

4 0

3 years ago

In a recent survey, 10 percent of the participants rated Pepsi as being "concerned with my health." PepsiCo's response included

hichkok12 [17]

Answer:

The statistic for this case would be given by:

$z=\frac{0.18 -0.1}{\sqrt{\frac{0.1(1-0.1)}{100}}}=2.67$

Step-by-step explanation:

Infromation provided

n=100 represent the random sample selected

X=18 represent the people who rates Pepsi as being "concerned with my health"

$\hat p=\frac{18}{100}=0.18$ estimated proportion of people who rates Pepsi as being "concerned with my health"

$p_o=0.1$ is the value that reference to compare

z would represent the statistic

Hypothesis to test

For this case we can assume that the interest is check if the proportion of people who rates Pepsi as being "concerned with my health" is equal to 0.1 or not , then the system of hypothesis are:

Null hypothesis: $p=0.1$

Alternative hypothesis: $p \neq 0.1$

The satistic for this one sample proportion test is given by:

$z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}}$ (1)

Replacing the info given we got:

$z=\frac{0.18 -0.1}{\sqrt{\frac{0.1(1-0.1)}{100}}}=2.67$

7 0

3 years ago

Best & correct answer gets brainliest.

Katarina [22]

Option C is needed because the reason for proving this pair of congruent triangles is SAS, (an angle between 2 equal sides)

4 0

4 years ago

Which is the correct simplification of 2.2x10^4/8.8x10^9

sergij07 [2.7K]

Expression is: 2.2 × 10⁴ / 8.8 × 10⁹
= 1 × 10⁴ / 4 × 10⁹
= 0.25 × 10⁴⁻⁹
= 0.25 × 10⁻⁵
= 2.5 × 10⁻⁶

In short, Your Answer would be: Option D

Hope this helps!

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4 years ago

What is the absolute value of 3 above par

lubasha [3.4K]

The absolute value of 3 above par means any value more than the absolute value of 3. The absolute value of 3 is (+) 3 since an absolute value of a number cannot be negative. Above par means positive (+), so more than the specified value of 3. <span />

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3 years ago

Read 2 more answers