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3 years ago

9(y + 6) find the equivalent expression by using the distributive property

Mathematics

2 answers:

Eddi Din [679]3 years ago

8 0

Answer:

9y+54

Step-by-step explanation:

Multiply the number on the outside of the parenthesis with both of the numbers on the inside of the parenthesis.

9*y=9y

9*6=54

Hope this helps!

Otrada [13]3 years ago

5 0

Answer:

9y+54

Step-by-step explanation:

Alright we are going to be using the distributive law/Properties

The distributive property states that a(b+c)=ab+ac

So a=9,b=y,c=6

9y+9*6

So you multiply the numbers

9y+54

So therefore, your answer would be 9y+54

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Area between two shapes. IXL geometry help pls !

o-na [289]

Answer: The area of the shaded region is 363.96 yards²

Step-by-step explanation:

Looking at the given shapes, the length and width of each are unequal. It means that they are rectangles. The formula for determining the area of a rectangle is expressed as

Area = length × width

Considering the smaller rectangle,

Area = 11.4 × 10.2 = 116.28 yards²

Considering the larger rectangle,

Area = 23.2 × 20.7 = 480.24 yards²

Area of the shaded region is

Area of the larger rectangle - area of the smaller rectangle. It becomes. 480.24 - 116.28 = 363.96 yards²

5 0

4 years ago

Three other samples were taken using the same confidence

Maru [420]

Answer:

Step-by-step explanation:

multiply by the numbers

5 0

4 years ago

Two trains leave the same station at the same time, but are headed in opposite directions. One train travels at 70 mph and the o

uranmaximum [27]

Let

x--------> the time in hours

y-------> the distance in miles

we know that

The speed is equal to

$Speed=\frac{distance}{time}$

in this problem

$Speed=\frac{y}{x}$

$y=(Speed)*x$

Equation First Train

$y1=70x$

Equation Second Train

$y2=80x$

$y1+y2=600\ miles$ ---------> equation $1$

Substitute the values of $y1$ and $y2$ in the equation $1$

$70x+80x=600$

Solve for x

$150x=600$

$x=4\ hours$

therefore

the answer is

$4\ hours$

4 0

3 years ago

Read 2 more answers

Determine the minimum sample size required when you want to be 99% confident that the sample mean is within 0.50 units of the po

vfiekz [6]

Answer:

b. 224

Step-by-step explanation:

We have that to find our $\alpha$ level, that is the subtraction of 1 by the confidence interval divided by 2. So:

$\alpha = \frac{1-0.99}{2} = 0.005$

Now, we have to find z in the Ztable as such z has a pvalue of $1-\alpha$ .

So it is z with a pvalue of $1-0.005 = 0.995$ , so $z = 2.58$

Now, find the margin of error M as such

$M = z*\frac{\sigma}{\sqrt{n}}$

In which $\sigma$ is the standard deviation of the population and n is the size of the sample.

In this problem:

We want to find n, when $M = 0.5, \sigma = 2.9$ So

$M = z*\frac{\sigma}{\sqrt{n}}$

$0.5 = 2.58*\frac{2.9}{\sqrt{n}}$

$0.5\sqrt{n} = 7.482$

$\sqrt{n} = 14.964$

$(\sqrt{n})^{2} = (14.964)^{2}$

$n = 223.9$

The nearest integer number to 223.9 is 224.

So the correct answer is:

b. 224

6 0

3 years ago

What type of government do they have in China

Travka [436]

Answer:

comunest hahahahaha

Step-by-step explanation:

4 0

4 years ago