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Anvisha [2.4K]
3 years ago
10

I need help pwease? Btw, I’m in 6th grade

Mathematics
1 answer:
svlad2 [7]3 years ago
4 0

Answer:

12inches

Step-by-step explanation:

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What is the first step in simplifying the expression 11x-2-3(1-7x)^2+(x+1)?
Gennadij [26K]

Answer:

PEMDAS is a great way to figure this out!

P - Parenthesies

E - Exponents

M - Multiplcation

D - Division

A - Addition

S - Subtraction

Follow this order and you should be good to go! Here's how I would follow this in this equation.

11x-2-3(1-7x)^2+(x+1)

First, parentheses

The 3 directly next to the parenthesies shows that everything inside of the () needs to be multiplied by 3.

-3*1  and -3*-7x (don't forget the negative)

This gives us 11x-2+(-3+21x)^2+(x+1)

Now distribute the exponents to everything inside of the parentheses.

11x-2+-3^2+21x^2+(x+1)

now solve the numbers with exponents without a variable.

3^2 = 3*3 = 9

combine any numbers without a variable outside of parentheses

11x-2+9+21x^2+(x+1)

11x+7+21x^2+(x+1)

From here, what I would do is divide the whole equation by 2

5.5x+3.5+21x+(.5x+.5)

now combine x values outside of parentheses

3.5+26.5x+(.5x+.5)

I believe this would be the simplest form, but please do correct me if I'm wrong or made any errors

7 0
3 years ago
1. Look at the table.
Bezzdna [24]

Answer:

D

Step-by-step explanation:

On the X side they add 2 every time to reach the next number needed. For example if it was to keep going the nect x would be 13

4 0
3 years ago
A circle has a diameter of 7.2 inches.
navik [9.2K]

Answer:

22.6 inches

Step-by-step explanation:

The circumference of a circle is given by

C = pi *d

The diameter is 7.2 inches

Approximating pi by 3.14

C = 3.14 * 7.2

C = 22.608

Rounding to the nearest tenth

C = 22.6

7 0
3 years ago
Which of the following points lies in Quadrant II?
RUDIKE [14]
The answer is d. (-3,8.)

6 0
3 years ago
Read 2 more answers
The number of girls at middle school cyber summer camp was six more than twice the number of boys. There were a total of 156 mid
nordsb [41]
Ok so if you did 156-6 (considering it was 6 more you want to subtract it) and then because the girls was doubled the boys (you are now at 150) you must divide that by 3 which will give you 50. But you need to double it (for girls) which is 100 and then you have 50 left over which is for the boys. Boys=50 girls=106
8 0
3 years ago
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