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RSB [31]
3 years ago
15

Simplify the following expression 4x - 8x + 3x^2

Mathematics
1 answer:
PIT_PIT [208]3 years ago
4 0

Answer:

Step-by-step explanation:

here you go mate

PEMDAS

Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

step 1

4x - 8x + 3x^2  equation/question

step 2

4x - 8x + 3x^2  simplify

4x+8x+3x^2

step 3

4x+-8x+3x^2  CLT

3x^2+-4x

answer

3x^2+-4x

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If I have 23 dirty walnuts and divide the by 2 how many dirty walnuts would I have by chance? OMG PLEASE HELP QUESTION ALREADY L
Rudik [331]

Answer:

23/2 equals 11.5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
1. Which formula defines the sequence f(1)=2, f(2)= 6, f(3)= 10, f(4)= 14, f(5)= 18?
Natasha_Volkova [10]

Answer:

f(n) =4 + f(n-1) \\for\ n>2

Step-by-step explanation:

Given

f(1)=2\\ f(2)= 6\\ f(3)= 10\\ f(4)= 14\\ f(5)= 18

Required

Determine the formula

First, we need to solve common difference (d)

d = f(n) - f(n-1)

Take n as 2

d = f(2) - f(2-1)

d = 6 - 2

d = 4

Represent each function as a sum of the previous

f(1) = 2

f(2) = 2 + 4 = f(1) + 4

f(3) = 6 + 4 = f(2) + 4

f(4) = 10 + 4 = f(3) + 4

f(5) = 14 + 4 = f(4) + 4

Represent the function as f(n)

f(n) =f(n-1) + 4

Reorder

f(n) =4 + f(n-1) \\for\ n>2

7 0
3 years ago
A circle with area \blue{9\pi}9πstart color #6495ed, 9, pi, end color #6495ed has a sector with a central angle of \purple{60^\c
Liono4ka [1.6K]

Answer:

The area of the sector is 3pi/2

Step-by-step explanation:

A sector is that part of a circle bounded by 2 radii and an arc

The circle has an area of 9 pi with a central angle of 60 degrees.

Now the area of the sector is pretty much straight forward to calculate. Since it is a circle, the total angle we have is 360.

Now the sector subtends an angle of 60 degrees at the centre. What this means is that the sector is exactly 1/6 of the circle. meaning that cutting the circle into 6 slices will give the sector.

Thus, the area of the sector is one-sixth the area of the circle.

The area of the sector is thus 1/6 * 9pi = 9pi/6 = 3pi/2 or 3/2 pi

6 0
3 years ago
Solve for w.<br> 8= 4 + w
Yuri [45]
W=4 that the answer !!!!!
3 0
4 years ago
solve the proportion gabriella bought three cantaloupes for $7 how many cantaloupes can she shayan by if she has $21
enyata [817]

Answer:

3

Step-by-step explanation:

First, you would need to divide the cost of the cantaloupes by how much money she has.

21 ÷ 7 = 3

Let's check our answer by multiplying the cost by how many cantaloupes she could possibly get for $21.

7 × 3 = 21

Answer: Gabriella can buy 3 cantaloupes with $21.

8 0
3 years ago
Read 2 more answers
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