MATHEMATICS HIGH SCHOOL

HELPP PLEASE !!!!!!!!! ASAP

Answers

Answer 1

Answer:

Answer:

x² + 5x + 6 = 0

Step-by-step explanation:

The zeros of quadratic function is (- 3) and (- 2)

The coordinates of vertex are (- 2.5, -0.25)

(x + 3)(x + 2) = 0

x² + 5x + 6 = 0

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Find the volume of the cone.175.9 m3Correct Answer167.6 m3Incorrect Response418.9 m3502.7 m3
The entrance to a horizontal mining tunnel has collapsed, trapping the miners inside.The rescue team decide to drill a vertical escape shaft from a position 200 m further up the hill. If the hill slopes at 23◦ from the horizontal, how deep does the rescue shaft need to be to meet the horizontal tunnel? Answer to one decimal place.
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Tweleve cows produce 224,988 pounds of milk. find the unit rate in rotations per second.

Answers

If we're working with pounds of milk, then either the top or the bottom of any
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A bottle of iron supplement has 45g of iron in 330ml of solution. How many grams of iron are in100ml of solution?

Answers

Answer:

45 * 100 / 330 = amount in 100 ml of solution

13.6363636364 grams

Step-by-step explanation:

ticket prices were on sale from $8.75 to $6.00. what is the percent of decrease rounded to the nearest tenth?

Answers

Answer:

31.4%

Step-by-step explanation:

We have been given that ticket prices were on sale from $8.75 to $6.00. We are asked to find percent of decrease.

$\text{Percent of decrease}=\frac{\text{Final}-\text{Original}}{\text{original}}* 100\%$

$\text{Percent of decrease}=(6-8.75)/(8.75)* 100\%$

$\text{Percent of decrease}=(-2.75)/(8.75)* 100\%$

$\text{Percent of decrease}=-0.3142857142857* 100\%$

$\text{Percent of decrease}=-31.42857142857\%$

$\text{Percent of decrease}\approx -31.4\%$

Therefore, percent of decrease was approximately 31.4%.

The percentage decrease is about 31.43%

8.75-6/8.75 x 100

2.75/8.75 x 100 = 31.428%

-4.75 = x/2 what is x

Answers

Answer:

x= -9.5

Step-by-step explanation:

We want to find out what the variable, x, is equal to. Therefore, we must isolate the variable on one side of the equation.

-4.75 = x/2

x is being divided by 2. The inverse of division is multiplication. Multiply both sides of the equation by 2.

2*(-4.75) = (x/2)*2

2*(-4.75)=x

2* -4.75=x

Multiply 2 and -4.75

-9.5=x

Let's check our solution. Plug -9.5 back in for x and solve.

-4.75= x/2

-4.75= -9.5/2

-4.75= -4.75

This checks out, so we know our solution is correct.

x is equal to -9.5

Answer:

$x = (19)/(2)$

Step-by-step explanation:

$(x)/(2) = - 4.75$

First convert the decimal to an improper fraction

That's

$- 4.75 = - (19)/(4)$

So we have

$(x)/(2) = - (19)/(4)$

Cross multiply

4x = - 38

Divide both sides by 4

We have the final answer as

$x = (19)/(2)$

Hope this helps you

HELP PLEASEIf the radius of the base of the cone, r, is 2 feet and the height,h, is 12 feet, what is the volume of the cone?

Answers

For a cone, the equation for volume would be
V = π r^2 h/3.

( volume = pi x radius squared x height / 3)

To find the volume for this question, you would set up the equation like this:

V = π x 2^2 x 12 / 3

Then, following the order of operation, you would do the following:

V = π x 4 x 12 / 3

(You get the 4 from 2 squared)

V = π x 4 x 4

(You get the second 4 from dividing 12 by 3)

V = π x 16

(You get 16 from multiplying 4 and 4)

V = 16π

(You get 16π from multiplying 16 and π, and the number is always in front of the π, so you would never get a π16, it would only be 16π)

So, your volume would be 16π, which is answer D.

I hope I helped! c:

PLEASE HELPP ME Solve the inequality | f | > 4.

Answers

$|f|>4\nf>4 \vee f<-4\nf\in(-\infty,-4)\cup(4,\infty)$

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