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skelet666 [1.2K]

3 years ago

10

Find the quotient. 22 x^2 y^2 ÷ 11 x^2 y^2 0 1/2 2 2xy

1 answer:

Xelga [282]3 years ago

8 0

The answer to the question is 2

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in a survey of 3271 adults aged 57 through 85 years, it was found that 88.7% of them used at least one prescribed medication

mixer [17]

How many of the 3271 subjects used at least one prescription medication? Round to the nearest integer asneeded.)

Answer:

2902

Step-by-step explanation:

Let the total number of adults within the mentioned age bracket be n=3271

The proportion of adults who used at least one prescription medication be p=88.7%=0.887

The point estimate of population is given by

$p=\frac {x}{n}$ where x is number of individuals in the sample with the specified characteristics and n is the sample size.

Let x be the adults who used at least one prescription medication

$0.887=\frac {x}{3271}$

$x=3271*0.887=2901.377\approx 2902$

3 0

3 years ago

Susannah has a high-yield savings account into which she deposits $140 each month. At the beginning of the year, Susannah's acco

motikmotik

Answer:

Her account balance will be $2,080 at the end of the year

Step-by-step explanation:

Let

y ----> Susannah's account balance

x ---> is the amount of time in months

we have

$y=140x+400$

This is a linear equation in slope intercept form

where

The slope or unit rate is equal to

$m=\$140\ per\ month$

The y-intercept or initial value is equal to

$b=\$400$

Remember that

One year is equal to 12 months

so

For x=12 months

substitute in the linear equation

$y=140(12)+400=\$2,080$

5 0

3 years ago

Help can u answer this

umka21 [38]

Answer:

$c) 82$

$d) - 11$

$g)27$

$h)1000$

$k)11$

$l) 8$

Step-by-step explanation:

${9}^{2} + 1 \\ = (9 \times 9) + 1 \\ = 81 + 1 \\ = 82$

${6}^{2} - {5}^{2} \\ = (6 \times 6) - (5 \times 5) \\ = 36 - 25 \\ = - 11$

$(1 + 2 {)}^{3} \\ = {3}^{3} \\ = 3 \times 3 \times 3\\ = 27$

$(2 + 8 {)}^{3} \\ = {10}^{3} \\ = (10 \times 10 \times 10) \\ = 1000$

$\sqrt{4} + {3}^{2} \\ = 2 + {3}^{2} \\ = 2 + (3 \times 3) \\ = 2 + 9 \\ = 11$

$2 \times 5 - \sqrt{4} \\ = 10 - \sqrt{4} \\ = 10 - 2 \\ = 8$

<h3>Hope it is helpful....</h3>

3 0

3 years ago

4x-7(x+3)=-36<br> what’s the answer to this equation?

Gemiola [76]

$4x-7(x+3)=-36\ \ \ |\text{use distributive property}\\\\4x-(7)(x)-(7)(3)=-36\\\\4x-7x-21=-36\\\\-3x-21=-36\ \ \ \ |+21\\\\-3x=-15\ \ \ \ |:(-3)\\\\\boxed{x=5}$

4 0

3 years ago

Read 2 more answers

Consider the two conditional statements. Draw a conclusion from the given conditional statements, and write the contrapositive o

KIM [24]

The correct answer is C

5 0

3 years ago