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3 years ago

Which expressions are equivalent to 18x – 6? Select all that apply.

Mathematics

2 answers:

murzikaleks [220]3 years ago

6 0

B, if you distribute you get 2(times) 9x which is 18x and 2x-3 which is -6

so that would be 18x-6

masha68 [24]3 years ago

6 0

A, B, & E

A because 16.4x + 1.6x equals 18x.

B and E require that you use te distributive property therefore 2 times 9x equals 18 x and 2 times -3 = -6. For E 6 times 3x = 18x and 6 times -1 = -6

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PLEASE HELP!!

ElenaW [278]

Answer:

-1 and -3

(n+7)(n-8)

Step-by-step explanation:

1. Find the Zeros

$f(x)=x^{2} +4x+3$

$f(x)=\left(x+1\right)\left(x+3\right)$

$x+1=0\\x=-1\\x+3=0\\x=-3$

2. Factoring Trinomials

$f(x)=n^{2} -n-56$

$f(x)=\left(n+7\right)\left(n-8\right)$

$n+7=0\\n=-7\\n-8=0\\n=8$

4 0

3 years ago

Solve 22 + 111 times 12

denis-greek [22]

Answer:

1354

Step-by-step explanation:

DO IT IT'S EASY WITH A CALCULATOR !!!!!!

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3 years ago

Read 2 more answers

At 4:00p.m the temperature was 90F after this point the temperature dropped 1.5F per hour until sunrise the next morning write a

irina [24]

Answer:

90t-21t=69t

Step-by-step explanation:

4:00pm to 6:00 am is 14 hours. 14 x 1.5 is in fact 21 which means the temperature dropped 21 degrees in those 14 hours.

3 0

3 years ago

What is the Compound Inequality that is true for the missing side length? 3cm, 4cm, Xcm

Brrunno [24]

Answer:

$x< 3+4\: and\\\left | 3-4 \right |$

Step-by-step explanation:

1. Well, when it comes to triangles. Mainly Pythagorean Triple, right triangles whose sides are 3,4,5 or 5,11,12

2. Keeping in mind this a Pythagorean Triple, then x=5

3. Then we can write it as Compound Inequality by combining the Statements for an Inequality of Triangle:

We can write it as

$5$

Or we can do:

$4$

and:

$3$

4. Writing in terms of x:

$x$

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4 years ago

Find the midpoint of the segment with the following endpoints. (7,-6) and (4, -10)

Firlakuza [10]

Answer:

(5.5,-8)

Step-by-step explanation:

(7 + 4)/2 = 5.5

(-6 + -10)/2 = -8

8 0

3 years ago