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SpyIntel [72]
3 years ago
13

Choose the number that is composite. A. 2 B. 21 C. 31 D. 17

Mathematics
1 answer:
Stella [2.4K]3 years ago
6 0
A composite number has more than two factors. (B) 21 is a composite number because the factors of 21 are 7 × 3.
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Factor by grouping m(2a+b)-n(2a+b)+2n(2a+b)
lys-0071 [83]

The factored expression of m(2a+b)-n(2a+b)+2n(2a+b) is (m + n)(2a + b)

<h3>How to factor the expression?</h3>

The expression is given as:

m(2a+b)-n(2a+b)+2n(2a+b)

Factor out 2a + b

m(2a+b)-n(2a+b)+2n(2a+b) = (m - n + 2n)(2a + b)

Evaluate the like terms

m(2a+b)-n(2a+b)+2n(2a+b) = (m + n)(2a + b)

Hence, the factored expression of m(2a+b)-n(2a+b)+2n(2a+b) is (m + n)(2a + b)

Read more about factored expressions at:

brainly.com/question/723406

#SPJ1

5 0
2 years ago
Use the drop-down menus below to state the sequence of transformations that maps
GarryVolchara [31]

Answer:

nonrigid and segement lengths

Step-by-step explanation:

4 0
3 years ago
How to find the limit of that question
jeka94
Factor the numerator using difference of cubes:
a^3 - b^3 = (a-b)(a^2 +ab+b^2)
a = x
b = 2

\frac{x^3 - 8}{x-2} = \frac{(x-2)(x^2 +2x+4)}{x-2} = x^2 +2x+4

Now you can evaluate limit as x=2.
\lim_{x \to 2} (x^2 +2x+4) = 2^2 +2(2)+4 = 12
5 0
4 years ago
If f(x) = 16x – 30 and g(x) = 14x – 6, for which value of x does (f – g)(x) = 0?
Kay [80]

(f – g)(x) = 0

16x-30 -(14x-6) =0

distribute

16x-30 -14x+6 = 0

combine like terms

2x-24=0

add 24 to each side

2x=24

divide by 2

x=12

Answer: x=12


6 0
3 years ago
AD is tangent to circle B at point C. What is the measure of angle BCA.
sdas [7]

Answer:

90°

Step-by-step explanation:

Actually the question should be AC is tangent to circle B at point C. What is the measure of angle BCA.

AC is tangent and BC is radius.

Radius is perpendicular to the tangent.

Therefore,

measure of angle BCA = 90°

4 0
3 years ago
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