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3 years ago

Pls sovle thankyou number 7

Mathematics

2 answers:

VladimirAG [237]3 years ago

6 0

-6x expnonent 3 becomes -216

so, the equation is know

-216 r exponent 7 / 3x

r-x is x

so know its -216-3x you get - 219x

Aleks [24]3 years ago

4 0

Answer:

$\frac{-6x^3r^7}{3x}=-2r^7x^2$

Step-by-step explanation:

hope this helps

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Car travels 177 milies in 3 hours at a constant speed. Which unit ratio represents the speed of the car?

sp2606 [1]

Answer:

59 miles per hour

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2 years ago

Determine the point estimate of the population proportion, the margin of error

ahrayia [7]

Answer:

$\hat p=0.645\\\\ME=0.233\\\\x=645 \ individuals$

Step-by-step explanation:

-Given the boundaries as 0.412 and 0.878

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$\hat p=\frac{Upper \ Bound+Lower \ Bound}{2}\\\\=\frac{0.878+0.412}{2}\\\\=0.645\\\\$

#The margin of error, ME can be calculated for the confidence intervals using the formula:

$ME=\frac{Upper \ Bound-Lower \ Bound}{2}\\\\=\frac{0.878-0.412}{2}\\\\=0.233$

#The number of individuals in the sample is the product of the point estimate and population size:

$\hat p=\frac{x}{n}\\\\x=\hat pn\\\\=0.645\times 1000\\\\=645$

Hence, there are 645 individuals in the sample.

8 0

3 years ago

Solve for X.

AnnZ [28]

Answer: D.There is no answer.

Step-by-step explanation:

6 0

3 years ago

In the star below, all of the inscribed angles are congruent. Find the measure of each inscribed angle.

ozzi

Answer:

36 degrees for each angle.

Step-by-step explanation:

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7 0

2 years ago

Please help me or i will fail

dusya [7]

Find area of square: 7^2 = 49

Find radius of circle: 7/2=3.5

find area of circle: 3.5^2*3.14=38.465

Remove area of circle from area of square:
49-38.465=10.535 cm^2

Answer A is the correct one :)

4 0

3 years ago