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defon
3 years ago
11

Write an algebraic expression for each verbal expression. the sum of B and 21

Mathematics
2 answers:
mars1129 [50]3 years ago
7 0

Answer:

21 + b

Step-by-step explanation:

The answer to this expression is the sum of b and 21. The answer is 21 + b.

Good luck ^^

sveta [45]3 years ago
4 0

Answer:

<em>B + 21</em>

or

<em>21 + B</em>

Step-by-step explanation:

<em>The sum of B and 21 </em>

<u>The sum of</u> : means to add B and 21

The algebraic expression would be: B + 21  or 21 + B (depending on how you/your teacher wishes it to be written)

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The formula to convert F° to C° is C = 5/9(F-32). Convert 50°C to °F.
Lena [83]

Answer:

50 C = 122 F

Step-by-step explanation:

50°C × 9/5 +32

4 0
4 years ago
Read 2 more answers
How to express cos 3x in terms of cosx
Elena-2011 [213]
\cos3x=\cos(x+2x)=\cos x\cos2x-\sin x\sin2x
=\cos x(\cos^2x-\sin^2x)-2\sin^2x\cos x
=\cos^3x-\cos x\sin^2x-2\sin^2x\cos x
=\cos^3x-3\cos x\sin^2x
=\cos^3x-3\cos x(1-\cos^2x)
=\cos^3x+3\cos^3x-3\cos x
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5 0
3 years ago
A set of data points has an equation of y= -1.5 + 2.5x.
loris [4]
But what are the answer choices 

4 0
4 years ago
Read 2 more answers
Find the midpoint of a segment with the given endpoints.<br> W(-2,5), X(3,-17) =
Tema [17]

Answer:

The answer is

<h2>( \frac{1}{2}  \: , \:  - 6)</h2>

Step-by-step explanation:

The midpoint M of two endpoints of a line segment can be found by using the formula

<h3>M = (  \frac{x1 + x2}{2} , \:  \frac{y1 + y2}{2} )</h3>

where

(x1 , y1) and (x2 , y2) are the points

From the question the points are

W(-2,5) and X(3,-17)

The midpoint is

<h3>M  =( \frac{ - 2 + 3}{2}  , \:  \frac{5 - 17}{2} ) \\  = ( \frac{1}{2}  \: , \:   - \frac{12 }{2} )</h3>

We have the final answer as

<h3>( \frac{1}{2}  \: , \:  - 6)</h3>

Hope this helps you

6 0
3 years ago
Solve the following equation 3+x upon 3=x upon 2​
ludmilkaskok [199]

\frac{3 + x}{3}  =  \frac{x}{2}

\frac{3}{3}  +  \frac{x}{3}  =  \frac{x}{2}

1 +  \frac{x}{3}  =  \frac{x}{2}

1 =  \frac{x}{2}  -  \frac{x}{3}

1 =  \frac{3x}{6}  -  \frac{2x}{6}

1 =  \frac{x}{6}

1 \times 6 = x

6 = x

4 0
3 years ago
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