All categories

3 years ago

Which expression is equivalent?

Mathematics

1 answer:

Dafna11 [192]3 years ago

5 0

Distribute the -9 into the values in the parentheses.

$-9(-2x-3)$

$-9*-2x=18x$

$-9*-3=27$

Therefore, the equation then becomes: $18x+27$ .

The answer is the first choice, or A.

You might be interested in

in a random School sampling of 50 middle school students it was found that 18 students bring their lunch to school everyday if t

dem82 [27]

Answer:

340

Step-by-step explanation:

We can see in the sample that 18/50 people bring lunches to school. If we divide 18 by 50 we get 0.36 now we know that 36% of people bring their lunches in the sample. Now we take that number and multiply it by 942.

0.36*942= 339.12 which we can round to 340

5 0

2 years ago

Plssss help quick i need it for sum important

Vanyuwa [196]

(a) The product of $(2x-4)\ and\ (3x^2-x+4)$ is calculated to be $=6x^3-14x^2+12x-16$

(b)The product of $(2x-4) \ and\ (3x^2-x+4)\$ is not equal to the product of $(4x-2)\ and\ (3x^2-x+4)$

Step-by-step explanation:

(a)

$(2x-4)(3x^2-x+4)\\\\=(2x.3x^2)+(2x.-x)+(2x.4)+(-4.3x^2)+(-4.-x)+(-4.4)\\\\=6x^3-2x^2+8x-12x^2+4x-16\\\\=6x^3-14x^2+12x-16$

$(4x-2)(3x^2-x+4)\\\\=(4x.3x^2)+(4x.-x)+(4x.4)+(-2.3x^2)+(-2.-x)+(-2.4)\\\\=12x^3-4x^2+16x-6x^2+2x-8\\\\=12x^3-10x^2+18x-8$

The product of $(2x-4) \ and\ (3x^2-x+4)\$ is not equal to the product of $(4x-2)\ and\ (3x^2-x+4)$

7 0

3 years ago

PLEASE ANSWER QUICK!!!

aivan3 [116]

Answer:

(0,5) and (1,0)

Step-by-step explanation:

6 0

2 years ago

Simplify : 3/4 + 1/3 (0.06)

ollegr [7]

The answer will be .77 because you have to multiply then add

3 0

3 years ago

Number of heads: 0,1,2,3 Frequency: 16,38,34,12 Find the median

zubka84 [21]

Answer:

the median of 0 1 2 3 16 38 34 12 is 9.5

8 0

3 years ago