Please help me with this question please help

Answers

Answer 1

Answer: It is 4.6 and you just round it to 5 and that’s it

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State whether true or false 12+(-15) =12-15

Find the volume of the given prism. round to the nearest tenth if necessary.

Answers

Volume of triangular prism = area of triangle x length.
Here, the triangle is an equilateral triangle with sides 14yds
Area of the triangle = 1/2 x 14 x 14 x sin 60 = 84.87 square yds
volume of the triangular prism = 84.87 x 25 = 2,121.8 cubic yds

9x+10=11x-10
Please show work

Answers

Answer:

$x=10$

Step-by-step explanation:

1) Subtract 10 from both sides of the equation

$9x+10=11x-10\n9x+10-10=11x-10-10$

2) Simplify

a. Subtract the numbers

b. Subtract the numbers again

$9x=11x-20$

3) Subtract 11x from both sides of the equation

$9x=11x-20\n9x-11=11x-20-11x$

4) Simplify

a. Combine like terms

b. Combine like terms again

$-2x=-20$

5) Divide both sides of the equation by the same term

$-2x=20\n(-2x)/(-2) =(-20)/(-2)$

6) Simplify

a. Cancel terms that are in both the numerator and denominator

$(-2x)/(-2) =(-20)/(-2) \nx=(-20)/(2)$

b. Divide the numbers

$x=(-20)/(-2x) \nx=10$

Simplifying
9x + 10 = 11x + -10

Reorder the terms:
10 + 9x = 11x + -10

Reorder the terms:
10 + 9x = -10 + 11x

Solving
10 + 9x = -10 + 11x

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-11x' to each side of the equation.
10 + 9x + -11x = -10 + 11x + -11x

Combine like terms: 9x + -11x = -2x
10 + -2x = -10 + 11x + -11x

Combine like terms: 11x + -11x = 0
10 + -2x = -10 + 0
10 + -2x = -10

Add '-10' to each side of the equation.
10 + -10 + -2x = -10 + -10

Combine like terms: 10 + -10 = 0
0 + -2x = -10 + -10
-2x = -10 + -10

Combine like terms: -10 + -10 = -20
-2x = -20

Divide each side by '-2'.
x = 10

Simplifying
x = 10

Find the area of the given circle. Round to the nearest tenth.11.0 ft^2
38.5 ft^2
42.8 ft^2
113.0 ft^2

Answers

$diameter=12\ ft\n\ndiameter=2\ radius\n\n2r=12\ ft.\ \ \ /:2\nr=6\ ft.\n\nA=\pi r^2\n\nA=\pi\cdot6^2=36\pi\ (ft^2)\approx36\cdot3.14=113.04\ (ft^2)\approx113.0\ (ft^2)$

If 3(y-1) = y -5. y = ____________.

Answers

Answer:

-1 is the answer

Step-by-step explanation:

the question is 3(y-1)=y-5

so, we open the bracets and multiply

so it becomes 3y-3 = y-5

now, we transpose

3y-y =-5+3

2y = -2

y= -2/2 = -1

Answer:

y = -1

Step-by-step explanation:

$3(y-1)=y-5\n\n3y-3=y-5\n\n3y-3+3=y-5+3\n\n3y=y-2\n\n3y-y=y-y-2\n\n2y=-2\n\n(2y=-2)/(2)\n\n\boxed{y=-1}$

Hope this helps.

PLEASE HELP !!!!!!!!!!!!!!Find different pairs of numbers from the list to complete these equations:

24, -12 ,-3 ,-4, -48, -6, 2 ,-8

____ x ____ = -96 ____ ÷ ____ = -96

Answers

A possible pair of numbers to complete the second equation is (-8) and 12.

To find different pairs of numbers from the list to complete the equations:

____ x ____ = -96

We can start by listing the factors of -96, which are: ±1, ±2, ±3, ±4, ±6, ±8, ±12, ±16, ±24, ±32, ±48, ±96.

Since the product of two negative numbers is positive, we need to find two numbers with opposite signs to get a product of -96. The factors of -96 that have opposite signs are: ±1, ±2, ±3, ±4, ±6, ±8, ±12, and ±24.

We can then try different combinations of these factors until we find a pair of numbers that multiply to -96. One such pair is (-8) and 12:

(-8) x 12 = -96

So, one possible pair of numbers to complete the first equation is (-8) and 12.

Next, we need to find different pairs of numbers from the list to complete the equation:

____ ÷ ____ = -96

We can start by dividing -96 by each of the given numbers in the list to see if we get an integer result:

-96 ÷ 24 = -4

-96 ÷ (-12) = 8

-96 ÷ (-3) = 32

-96 ÷ (-4) = 24

-96 ÷ (-48) = 2

-96 ÷ (-6) = 16

-96 ÷ 2 = -48

-96 ÷ (-8) = 12

We can see that the only pair of numbers that gives a quotient of -96 is (-8) and 12:

-96 ÷ (-8) = 12

Therefore, a possible pair of numbers to complete the second equation is (-8) and 12.

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Is 7x+y+3=y a linear equation. also is this in standard form

Answers

Answer:

Hi! The correct answer is 7x=-3!

Step-by-step explanation:

~Write in standard form~

Final answer:

The equation 7x+y+3=y is a linear equation as it consists of variables to the first degree, but it's not in the standard form. Upon rearranging, the standard form will be 7x - 3 = 0.

Explanation:

Yes, the equation 7x+y+3=y is a linear equation because it represents a straight line when plotted on a graph. This is because it consists only of the first degree variables (that is, variables raised to the power of 1) of x and y, which define linear equations. However, it is not in the standard form. The standard form of a linear equation is usually written as Ax + By = C, where A, B, and C are constants and x and y are variables, and A and B are not both zero. Therefore, to express this equation in standard form, we need to rewrite it, resulting in the equation 7x + y - y - 3 = 0 or 7x - 3 = 0.

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