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Vitek1552 [10]
3 years ago
7

I neeeeeedddd help pls

Mathematics
2 answers:
Gre4nikov [31]3 years ago
6 0
I CAN HELP YOUUUUUUUUUUUUUUUUUU!!!!!!!!!!!!!!!!!!1

lets distribute 7(x+3)

so 7(x)+7(3)

7x+21  or b

yay :)

Digiron [165]3 years ago
5 0
The expression that is equivalent to 7(x + 3) is B. 7x + 21

Explanation:
This expression demonstrates the distributive property. For the distributive property, it tells us that we can remove the parenthesis if the term that the polynomial is being multiplied by is distributed to, or multiplied with each term inside the parenthesis .

Now let's go back to the problem

7(x + 3)

now by applying the Distributive Propery

7 * x + 7 * 3
The parentheses are removed and each term from inside is multiplied by the 7.

Now we can simplify the multiplication of the individual terms:

7x + 21
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SOMEONE JUST PLEASE ANSWER THIS ASAP FOR BRAINLIEST!!!
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8 0
3 years ago
What is the equation of the line, in slope-intercept form, that passes through (3, -1) and (-1, 5)? y = -3/2x+7/2 2y = -3x + 7 2
SOVA2 [1]

Answer:

The equation of the line would be y = -3/2x + 7/2

Step-by-step explanation:

In order to find this, we must first use the slope formula with the two point to find the slope.

m(slope) = (y2 - y1)/(x2 - x1)

m = (5 - -1)/(-1 - 3)

m = 6/-4

m = -3/2

Now that we have the slope, we can use that and either point in point-slope form. Then we solve for y.

y - y1 = m(x - x1)

y + 1 = -3/2(x - 3)

y + 1 = -3/2x + 9/2

y = -3/2x + 7/2

3 0
3 years ago
Answer this question with a clear explanation to be marked as Brainiest ✨✨✨✨✨✨✨✨
Nina [5.8K]

Answer:

C

Step-by-step explanation:

A, B and D are all only a few digits long and can be expressed as the ratio of two integers, where at least one is even:

A = -6/16 = -3/8, so it's rational

B = 7.0398 = 35199/5000, so it's rational

D = 6,907 = 13814/2, therefore rational

C, on the other hand is irrational.

If we simplify the surd √8, we get 2√2. The 2's on the top and bottom can now cancel out, giving us √2, which is irrational. [There's a proof but it's kinda long].

5 0
2 years ago
Can someone help me. I’ve tried doing this on paper. I don’t know what I’m doing wrong
IrinaK [193]
ANSWER: x=12
EXPLANATION:
9+x/6=11
(54+x)/6=11 (finding common denominator)
x/6=11-54/6 (rearranging terms)
x/6=(66-54)/6 (finding common denominator so 6 gets cancelled from both the sides)
x=12
6 0
2 years ago
Read 2 more answers
What is the sum of 2.5 x 10^4 and 3.4 x 10^4
navik [9.2K]

5.9 x 10^4

59000

That is the answer C

3 0
3 years ago
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