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3 years ago

Use the protractor to determine each angle

Mathematics

2 answers:

Ronch [10]3 years ago

7 0

What angle can you take a picture then I would love to help!thx!

dolphi86 [110]3 years ago

6 0

What protractor do you mean? And what angle?

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The factorization below is missing two positive integers a and b. 6x^(3)+18x^(2)-240x=6x(x-a)(x+b) Factor the polynomial and the

Dvinal [7]

Answer:

a = 5

Step-by-step explanation:

Hello, please consider the following.

$6x^3+18x^2-240x=6x(x^2+3x-40)\\\\\text{** The sum of the zeroes is -3=-8+5 and the product is -40=-8*5. **}\\\\\text{** So, we can factorise. **}\\\\6x^3+18x^2-240x=6x(x^2+3x-40)=6x(x^2+8x-5x-40)\\\\=6x(x(x+8)-5(x+8))\\\\\large \boxed{=6x(x+8)(x-5)}$

So, a = 5.

Thank you.

7 0

4 years ago

Wave erosion causes a coastline to recede at a rate of 3.5 centimeters each year. After 9.25 years, how many centimeters will th

Nadya [2.5K]

Answer:

-32.375

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers

Please help!!!will get brainliest!

il63 [147K]

Turn the information into coordinate points.

Point = (time, population)

Point 1 = (1985, 45000)
Point 2 = (2004 , 26000)

Find the slope between these points using the formula

( Slope)—> m = (y2 - y1) / (x2 - x1)
26000-45000/2004-1985=-19000/19= -1000
Average rate of change is decrease of 1000 sea lion per year

I hope that helped

6 0

3 years ago

The population mean annual salary for environmental compliance specialists is about $62,000. A random sample of 32 specialists

lakkis [162]

Answer: 0.002718

Step-by-step explanation:

Given : The population mean annual salary for environmental compliance specialists is about $62,000.

i.e. $\mu=62000$

Sample size : n= 32

$\sigma=6200$

Let x be the random variable that represents the annual salary for environmental compliance specialists.

Using formula $z=\dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}$ , the z-value corresponds to x= 59000 will be :

$z=\dfrac{59000-62000}{\dfrac{6200}{\sqrt{32}}}\approx\dfrac{-3000}{\dfrac{6200}{5.6568}}=-2.73716129032\approx-2.78$

Now, by using the standard normal z-table , the probability that the mean salary of the sample is less than $59,000 :-

$P(z$

Hence, the probability that the mean salary of the sample is less than $59,000= 0.002718

3 0

3 years ago

This year the boys’ basketball team won 4 times as many games as it lost. The team played a total of 40 games. How many games di

Salsk061 [2.6K]

Answer:

The team won 32 games.

Step-by-step explanation:

x = games won

y = games lost

z = total games = 40

x = 4y Won 4 times as many games as it lost

x + y = 40 Games won + games lost = Total games played

4y + y = 40 Sub 4y in for x, as established previously

5y = 40

y = 8

x = 4y

x = 4(8)

x = 32

The team won 32 games.

8 0

3 years ago