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3 years ago

Hurry PLEASE IM BEING TIMED PLEASE

Mathematics

1 answer:

Novosadov [1.4K]3 years ago

8 0

Answer:

D) 48

Step-by-step explanation:

i did the math and you answer is D because they both equal to 18 now have a good rest of your day and enjoy :)

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will the inequality "7 multiplied by a number is greater than or equal to 21" have an open boundary point or a closed boundary p

ehidna [41]

Answer:

Closed boundary point

Step-by-step explanation:

It says greater than OR equal too and having a closed boundary will indicate that 21 is apart of the inequality also.

I hope this helps

5 0

3 years ago

Sarah rolls a die. What is the chance of her rolling a 4?!

Mariulka [41]

depends on the type of dice, some have many sides . how many rolls, how many seconds until it stops rolling, which quantiative set of dice rolls do you have that you use to verify the accuricy of predicitons.

In short, not sure.

3 0

3 years ago

Read 2 more answers

Which equation represents the graphed function?

makvit [3.9K]

The equation y = –2 x + 3 represents the graphed function.

Answer: Option A

<u>Step-by-step explanation:</u>

As per the mapping points in the attached figure, A (0, 3) and B (1, 1)

Step 1: Find the slope of the line.

We know that the formula to calculate the slope between two points is equal to

$m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

$\left(x_{1}, y_{1}\right)=(0,3) \text { and }\left(x_{2}, y_{2}\right)=(1,1)$ . So, the slope ‘m’ would be

$m=\frac{1-3}{1-0}=-2$

Step 2: Find the y-intercept

We know that the y-intercept is the value of y when the value of x is equal to zero. In this problem the y-intercept is the point A (0, 3)

Step 3: Find the equation of the line into slope-intercept form

We know that the equation of the line into slope-intercept form is equal to

y = m x + b

We have m = - 2 and b = 3 as b is equal to the y-coordinate of the y-intercept. Substitute these, we get

y = - 2 x + 3

8 0

3 years ago

Read 2 more answers

65563756786875473465332 x 87546536868796854743653452764 - 675345636342535865 +964874836536736478478576587658756765 x 45345647586

Solnce55 [7]

Hello there I hope you are having a great day :)

Your question, 65563756786875473465332 x 87546536868796854743653452764 - 675345636342535865 +964874836536736478478576587658756765 x 453456475867865436457864354536455647556

= 65563756786875473465332 x 87546536868796854743653452764

= 5.7398799 - 675345636342535865 = -6.7534564

-6.7534564 + 964874836536736478478576587658756765 = 9.6487484

9.6487484 x 453456475867865436457864354536455647556

= 4.3752874

And that's your answer I hope that help you :)

3 0

2 years ago

6. Solve the problem. A carousel has a radius of 18 feet and takes 31

Darya [45]

Answer:

v = 3.64 ft/s

Step-by-step explanation:

Given that,

Radius of a carousel, r = 18 feet

It takes 31 seconds to complete revolution.

We need to find the linear speed of the carousel at its outside edge. Distance covered is equal to the circumference of the circle.

d = 2πr

d = 2π × 18 = 113.09 feet

Let v is the linear speed. It can be given by :

$v=\dfrac{D}{t}\\\\v=\dfrac{113.09}{31}\\\\v=3.64\ ft/s$

So, the linear speed of the carousel is 3.64 ft/s.

7 0

3 years ago