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Cloud [144]
3 years ago
10

“the difference of a and five less than b.”

Mathematics
2 answers:
vitfil [10]3 years ago
7 0

the answer is -a+5-b


just olya [345]3 years ago
3 0

a-5-b

difference of a and 5 indicates that it's subtraction, and so does "less than".

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HELP ASAP PLEASE!!!!!
Bond [772]

Answer:

option 4

Step-by-step explanation:

5 0
3 years ago
Which of the expressions below can be factored using the difference of<br> squares method?
zlopas [31]

Answer:

<em>The second choice is correct. It can be factored as:</em>

9x^2-16y^2=(3x-4y)(3x+4y)

Step-by-step explanation:

<u>The Difference of Squares Method for Factoring</u>

The expression:

a^2-b^2=(a-b)(a+b)

Is a widely used method to factor binomials that are expressed as the subtraction of two perfect squares.

The condition for a binomial to be factored by using this method is that both terms must have an exact square root and they must be subtracted.

The last two choices are not valid because they are not a subtraction but an addition.

The first choice is not valid because none of the terms is a perfect square.

The second choice is correct. It can be factored as:

9x^2-16y^2=(3x-4y)(3x+4y)

4 0
3 years ago
Find the percent change from the first value to the second 50;31
tiny-mole [99]

Answer:

-0.38%

Step-by-step explanation:

Divide 31 by 50. 31 / 50 = 0.62.

1 - 0.62 = 0.38

Since it is a decrease in change the percent change is negative.

-0.38%

6 0
2 years ago
Is 43 a composite number
d1i1m1o1n [39]
No.  43 is a prime number.  It has no other factors besides ' 1 ' and itself.
7 0
3 years ago
Read 2 more answers
Line n intersects lines 1 and m, forming the angles shown in the diagram below.
bija089 [108]

Answer:

B. 4.5

Step-by-step explanation:

(6x + 42)° and (18x - 12)° are alternate interior angles. If line l is parallel to line m, therefore,

6x + 42 = 18x - 12

Solve for the value of x. Combine like terms.

6x - 18x = -42 - 12

-12x = -54

Divide both sides by -12

-12x/-12 = -54/-12

x = 4.5

Therefore, x = 4.5 would prove lines l and m are parallel to each other.

7 0
3 years ago
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