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Ede4ka [16]
3 years ago
8

PLEASE HELP

Mathematics
1 answer:
Pepsi [2]3 years ago
4 0
Pretty much all you have to do is identify 5x <span> 6x with the absolute value of x/
i dont know if im right about this answer but here it is: 5x=6x*6n^3x2n</span>
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12 points - (geometry) need the answers to questions 14-16 with work please.
Alex_Xolod [135]
The measure of the interior angle of a regular polygon is 180(n-2)/n for n sides.
14.
135 = 180(n-2)/n.
135n = 180n-360
45n=360
n= 8, 8 sides
15. 166.5n=180n-360
n= 26 sides
16. Since the shape is marked as a parallelogram, the angle at D is 180-angle at A= 180-115=65 degrees.
5 0
3 years ago
Plz hep me Use 1.9 as the radius for the sphere
just olya [345]
Well what i was taught that first you multiply 2 and 3.14 which equals 6.28 and then you multiply 6.28 with 1.9. HOPE THAT HELPED
3 0
3 years ago
Read 2 more answers
Helppppppppppppp 20 points
Kobotan [32]

Answer:

4 3/7

Step-by-step explanation:

Divide 31 by 7 to the closest whole number. 28/7 is 4 and you have 3/7 left, so you get 4 3/7

3 0
2 years ago
Read 2 more answers
5-4. Solve each of the following equations for the indicated variable. Use your Equation Mat if it is helpful. Write down each o
balu736 [363]
QUESTION 1

The given equation is :

2(y - 3) = 4
We want to solve for y. This means we have to isolate y on one side of the equation while all other constants are also on the other side of the equation,

We first divide both sides by 2 to obtain,

\frac{2(y - 3)}{2} = \frac{4}{2}

We cancel out the common factors to get,

y - 3 = 2

We now group like terms to get,

y = 3 + 2

We simplify to obtain,

y = 5

QUESTION 2

The given equation is

2x + 5y = 10
We want to solve for x. This means that we need to isolate x on one side of the equation, while all other variables and constant are also on the other side of the equation.

This implies that,

2x= 10 - 5y

We now divide through by 2, to obtain,

\frac{2x}{2} = \frac{10}{2} - \frac{5y}{2}

This will now give us,

x = 5 - \frac{5}{2} y

QUESTION 3

The given equation is
6x + 3y = 4y + 11

We want to solve for y. This means that we need to isolate y on one side of the equation, while all other variables and constants are also on the other side of the equation.

We first of all group all the y terms on one side of the equation to obtain,

6x - 11 = 4y - 3y

We simplify to get,

6x - 11 = y

This implies that,

y = 6x - 11

QUESTION 4

The given equation is,

3(2x + 4) = 2 + 6x + 10

We want to solve for x. This means that we need to isolate x on one side of the equation, while all other variables and constant are also on the other side of the equation.

Let us first expand the brackets to get,

6x + 12 = 2 + 6x + 10
This implies that

6x + 12 = 6x + 12

We group like terms to get,

6x - 6x = 12 - 12

We now simplify both sides to get,

0x = 0

We don't want x to vanish, so let us try to divide both sides by zero to get,

x = \frac{0}{0}

This is an indeterminate form, which implies that, x has infinitely many solutions. This means that all the real numbers are solution to the equation.

\therefore \: x \in \: R

QUESTION 5

The given equation is,

y = - 3x + 6

We want to solve for x, so we add the additive inverse of 6, which is -6 to both sides of the equation to get,

y - 6 = - 3x

We rewrite this to obtain,

- 3x = y - 6

We divide through by -3 to get,

\frac{ - 3x}{ - 3} = \frac{y}{ - 3} - \frac{6}{ - 3}

This will give us,

x = - \frac{y}{3} + 2

or

x= 2 - \frac{1}{3} y
5 0
3 years ago
Vector bought 15.6 pounds of paintballs. All together, the balls cost $35.99. About how much did the paintballs cost per pound?
cricket20 [7]

Answer: it would coast about $2.31 per pound

3 0
3 years ago
Read 2 more answers
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