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Oxana [17]
3 years ago
15

Then known number in an algebraic expression is

Mathematics
1 answer:
Fed [463]3 years ago
7 0
Unsure of what you're asking.  

If you have an algebraic expression in front of you and see a number there, you could label it as "known" or "a known quantity."  Another word that comes to mind is "constant."
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IS THIS A FUNCTION, AND WHY
shepuryov [24]

Answer:

Yes, it is a function

Step-by-step explanation:

It is a function because for every y value there is a different x value. We can also use the vertical line test to see if there are two points on the same line.

4 0
3 years ago
What size pizza should she order to get 37.68in of crust?
Alex17521 [72]

\huge\fcolorbox{blue}{aqua}{Answer:}

════════════════════

Answer:

↝r =  \frac{471}{25\pi}

Solution:

2\pi r = 37.68

\frac{2\pi r}{2\pi}  =  \frac{37.68}{2\pi}

r =  \frac{37.68}{2\pi}

r =  \frac{471}{25\pi}

────────────────────

If u evaluate it it will become

=5.996958256

════════════════════

Explanation:

#Carry on learning

7 0
2 years ago
Read 2 more answers
I need help fast i will mark brainliest
almond37 [142]

Answer:

50.24

Step-by-step explanation:

Area=R^2*PI

OR
Area-R*R*PI

So, Area=4*4*3.41

=50.24

7 0
2 years ago
Read 2 more answers
A rectangle has a length of 20 inches. if its perimeter is 64 inches, what is the area?​
zzz [600]

Answer:

\boxed{ \bold{ \huge{ \boxed{  \sf 240 \:  {inches}^{2} }}}}

Step-by-step explanation:

Given,

Length of a rectangle = 20 inches

Perimeter of a rectangle = 64 inches

Area of a rectangle = ?

Let width of a rectangle be ' w ' .

<u>Fi</u><u>rst</u><u>,</u><u> </u><u>finding </u><u>the</u><u> </u><u>width</u><u> </u><u>of</u><u> </u><u>a</u><u> </u><u>rectangle</u>

\boxed{ \sf{perimeter = 2(l + w)}}

plug the values

⇒\sf{64 = 2(20 + w)}

Distribute 2 through the parentheses

⇒\sf{64 = 40 + 2w}

Swap the sides of the equation

⇒\sf{40 + 2w = 64}

Move 2w to right hand side and change it's sign

⇒\sf{2w = 64 - 40}

Subtract 40 from 64

⇒\sf{2w = 24}

Divide both sides of the equation by 2

⇒\sf{ \frac{2w}{2}  =  \frac{24}{2} }

Calculate

⇒\sf{w = 12 \: inches}

Width of a rectangle ( w ) = 12 inches

<u>Now</u><u>,</u><u> </u><u>finding</u><u> </u><u>the</u><u> </u><u>area</u><u> </u><u>of </u><u>a</u><u> </u><u>rectangle</u><u> </u><u>having</u><u> </u><u>length</u><u> </u><u>of</u><u> </u><u>2</u><u>0</u><u> </u><u>inches</u><u> </u><u>and </u><u>width </u><u>of</u><u> </u><u>1</u><u>2</u><u> </u><u>inches</u>

\boxed{ \sf{area \: of \: rectangle = length \:  \times  \: \: width}}

plug the values

⇒\sf{area \: of \: rectangle =20 \times  12 }

Multiply the numbers : 20 and 12

⇒\sf{area \: of \: rectangle = 240 \:  {inches}^{2} }

Hence, Area of a rectangle = 240 inches²

Hope I helped !

Best regards!

7 0
3 years ago
Tom has 12 cards with the numbers 1 to 12 on them.
Anna71 [15]

Answer:

5/12

Step-by-step explanation:

Given that,

Total no of cards = 12 with numbers 1 to 12

We need to find the probability of getting 5.

Probability = favourable outcomes/total no of outcomes

Favourable outcomes is 5 as it come one time

Total no of outcome = 12 (total no of cards)

So,

P(5)=\dfrac{5}{12}

Hence, the probability of getting 5 is 5/12.

8 0
3 years ago
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