Mathematics High School

Is 21 3/7 a rational or an irrational number?​

Answers

Answer 1

Answer:

Rational

Step-by-step explanation:

This number is rational because it can be expressed as a ratio between two numbers.

Related Questions

complete the steps to find the value of x​

Answers

Angle 4 + the 118° angle = 180°
So angle 4 = 180 - 118 = 62°

8x + 6 = 62
Subtract 6 from both sides
8x = 56
x = 7

For what intervals of x is f(x) increasing

Answers

Answer:

The derivative of a function may be used to determine whether the function is increasing or decreasing on any intervals in its domain. If f′(x) > 0 at each point in an interval I, then the function is said to be increasing on I. f′(x) < 0 at each point in an interval I, then the function is said to be decreasing on I.

Diameter of a cylindrical tank is 9 feet and the height of a tank is 25 feet. Find the volume of the cylindrical tank to the nearest hundredth place.

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Answer:

write a story or description in your society caused by extremity

(x + 3) - [(x+ 2)(x2 - 1)]

Answers

Step-by-step explanation:

can show you step by step how to figure it out it comes in handy a lot of times


I think it’s x2

Sorry i don’t know

At a university, 6 out of every 13 students l on campus if there are 156 students enrolled how many live on campus

Answers

there is the answer:)
What the guy above me said :^

What is the quadratic equation for the following set of data?

Please help, and thanks if you do!

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Y=9...............it’s 9 I had the same thing

Alonzo is $120 in debt. He makes 15 per hour. He wants to have at least $75 left over after he has paid off his debt.

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what’s the question????????
He will need to work 8 hours to pay off the debt. He will need to work 12 hours to pay his debt off and have $75 left over. Goodluck :))

hii! please help asap. i’ll give brainliest

Answers

Answer: D

Step-by-step explanation: The amount of times a number appears is the amount of x's you put over it. D matched it.

A pie has a diameter of 9 inches. What is the circumference of the pie

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Answer:

pretty sure it is 56.55  

Step-by-step explanation:


i honestly don’t understand this ::))

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Answer:

Answer is 100 sq m

Step-by-step explanation:

A = [tex]a^{2}[/tex]

A = [tex]10^{2}[/tex]

A = 100 sq m

HOPE IT HELPS

(FROM CROSS)

Dina started swimming at 3:35 P.M. She swam until 4:20 P.M. How long did Dina swim for?

Answers

Answer:

she swim 45 min .from 3.35 to 4:00 .25 min come and add with 20 =45

The following set of coordinates represents which figu
(8,8), (6,6), (8,4), (10, 6) (5 points)
Parallelogram
Rectangle
Rhombus
Square

Answers

Answer:

creates a rhombus

Step-by-step explanation:

i just used desmos, i have no idea how to explain it :/

What is the length of the hypotenuse of the triangle when x = 9?

4x+5
3x

Help ASAP

Answers

Answer:

[tex]4x + 5 \: if \: x = 9 \\ 4(9) + 5 \\ = 41 \\ \\ 3x = 3(9) \\ = 27[/tex]

[tex]41 + 27 \\ = 68[/tex]

The answer is 68 i think atleast anyways have a good day good luck too

10 POINTS.... write the equation of the line that has a y intercept of (0.4) and a slope of -3/2​

Answers

Answer:

y = -3/2 x + 4

Step-by-step explanation:

y-4 = -3/2 ( x-0)

y = -3/2 x + 4

hii! please help asap. i’ll give brainliest!

Answers

Answer:

D

Step-by-step explanation:

I've had these kind of questions on tests

Answer:

Your answer is D

Step-by-step explanation:

The median of a box and whiskers plot is marked by a vertical line inside the box.


HELP I NEED HELP QUICKLY PLEASEEEE

Answers

x= 11
A= 61
B=107
C=12
I hope it’s correct. Please correct me if it’s wrong. I upload a picture of my work.

Please solve the question below - a/3 = -12

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A equals 36 for -a/3=-12

Use complete sentences to describe the transformation of triangle A B C onto its image https://assets.learnosity.com/organisations/328/604bc4c5-40e0-40a9-b619-db7bc4d7f232/img_geoccu10t13a_4.gif

Answers

It doesnt let you open the image.

Answer:

                                                                                                                 

Step-by-step explanation:

                                                                   

Identify the figure below. Select all names that apply

Answers

Answer:D and A

Step-by-step explanation:

Inscribed angles math lib
Need help with number 2 , 3 , and 4 thank you!!!

Answers

Answer:

See solutions below

Step-by-step explanation:

2) angle at the vertex is half that of its intercepted arc;

51 = 1/2(14x-38)

51*2 = 14x-38

102 = 14x-38

14x = 102 + 38

14x = 140

x = 140/10

x = 14

3) 9x+7 = 1/2(68)

9x + 7 = 34

9x = 34-7

9x = 27

x = 27/9

x = 3

4) 114 = 1/2(30-(8x-36+40))

114 = 1/2(360-8x+36-40)

114*2 = 356 - 8x

-8x = 228-356

-8x = -128

x = 128/8

x = 16

Answer:2

Step-by-step explanation:

51+14x-38=180

13+14x=180

14=167

X=12

subscrbe to 941 teaser out now t!nyurl d0t com/941channel

Answers

Uhhh no thank you- :)

A triangle has sides with length of 11 feet 12 feet and 13 feet. Is it a right triangle

Answers

Answer:

No

Step-by-step explanation:

It will be a right triangle if it follows Pyhthagoras Theorem . Where the sum of squares of two smaller sides is equal to the square of the 3rd side. Let's check ,

→ 11²+ 12² = 13²

→ 121 + 144 = 169

→ 265 ≠ 169

Hence the ∆ is not a right angled triangle

4
How would you tell someone to plot (4,-3)?
pick the two best answers
1
go right 4
go left 4
go up 3
go down 3
What I pic

Answers

Step-by-step explanation:

go right 4

go down 3

it is the answer

The triangular face of the given prism has an interior angle with a measure of 55° and an exterior angle with a measure of 95°. What is the measure of the marked interior angle?

Answers

Answer:

40 degrees

Step-by-step explanation:

sum of angles in a triangle = 180 degrees

if the exterior angle measures = 95, the interior angle beside it would measure 180 - 95 = 85

marked interior angle = 180 - (85 + 55) = 40 degrees

Answer:

As ewomazinoade states 40° should be the correct answer.

Which expression is equivalent to 6k? – 7k – 20?
A (3k-4)(2k-5)
B (6k-5)(6k+4)
C (3k+4)(2k-5)
D (3k+4)(3k+5)

Answers

Answer:

Your answer is C, (3k+4)(2k-5)

Step-by-step explanation:

this is an emergency please help!!!!!!!!!!!!!

its d0wn below will mark brainlist

Answers

Answer:

ill edit this message in a moment with the answers

Step-by-step explanation:

Can somebody plz help answer these questions (only if u remmeber how to do this) thanks :3

WILL MARK BRAINLIEST :DDDDD!

Answers

Answer:

answer should be in the image :)

2x^2+11x+5=0
Check all that apply

Answers

Answer:

B and F

Step-by-step explanation:

X = -1/2

X = -5

Answer:

x = -1/2, x = -5

Step-by-step explanation:

2x^2+11x+5 = 0

Solve by factoring:

(2x+1)(x+5) = 0, or:

(2x+1) = 0

(x+5) = 0

(2x+1) = 0: x = -1/2

(x+5) = 0: x = -5

A farm allows customers to cut their own Christmas trees. The farm uses the equation y = 15x + 10 to determine the total charge, Y,
based on the number of trees, x, the customer purchases. A customer was charged $460. How many trees did the customer purchase?

a- 10 trees
b- 30 trees
c- 31 trees
d- 15 trees

Answers

Answer:

Step-by-step explanation:

The answer would be b, 30 trees, the reasoning is in the photo, hope this helps!

HURRY PLEASEE!! A new health drink has 140​% of the recommended daily allowance​ (RDA) for a certain vitamin. The RDA for this vitamin is 50mg. How many milligrams of the vitamin are in the​ drink?

Answers

Answer:

50+0.4*50

Step-by-step explanation:

Because it has 140% of the RDA and the RDA is 50, that means it has 50 and 40% or 0.4 of 50.  So the answer is 70 mg.

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