3.1 × 22 + 6 ÷ 2 - (3.9 + 3.3)

Answers

Answer 1
Answer: \sf3.1*22+6/2-(3.9+3.3)

PEMDAS, parenthesis first:

\sf3.1*22+6/2-7.2

Now multiply:

\sf68.2+6/2-7.2

Divide:

\sf68.2+3-7.2

Add:

\sf71.2-7.2

Subtract:

\sf64
Answer 2
Answer: You have to use PEMDAS which is Parentheses, Exponents, Multiplication, Division, Addition, Subtraction. The answer would be 29.9.

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HELPPP PLEASE!! Which two fixed points define the shape ellipse

Answers

The shape of an ellipse is defined by its two focii.

What is Ellipse?

A type of geometric shape that is symmetric and resembles a flattened circle is called Ellipse.

Two fixed points of a shape define focii  which are located on the major axis of the ellipse.

The longest diameter of the ellipse is called Major Axis, and  length of the major axis is equal to distance between the two focii.

The  curvature of the ellipse is determined by the focii of an ellipse.

if focii are further apart, the ellipse will be more circular and  focii are close together, the ellipse will be more elongated.

In addition to the focii, the shape of an ellipse is also determined by a second set of fixed points called vertices, which are located on the minor axis of the ellipse.

Hence,  the shape of an ellipse is defined by its two focii.

To learn more on Ellipse click:

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Answer: The answer is b i took the test plsss tell me if it helps;)

In the diagram, line x|| line y. Find the angle measures below.

Answers

Answer:

<1 = 95

<2 =85

Step-by-step explanation:

<1 = 95

They are alternate exterior angles and alternate exterior angles are equal when the lines are parallel

<1 + <2 = 180  since they form a straight line

95+ <2 =190

Subtract 95 from each side

95-95+<2 =180-95

<2 =85

Choose the situation in which exact numbers would most likely be used.A) Mark is buying hamburgers for a football tailgate.
B) Deana is calculating her driving time for a trip to the beach.
C) Carla is totaling the money made at the student council car wash.
D) Maria is buying gallons of paint to cover the walls of the bedrooms in her home.

Answers

Answer:

C) Carla is totaling the money made at the student council car wash.

Step-by-step explanation:

In the case of Carla, who is raising money is important to calculate the exact amount of the proceeds, so it is not possible to make approximations.

In the rest of the scenarios, make an approximation as a practical and quick way to calculate the totals.

C) Carla is totaling the money made at a student council car wash

In a rectangle, the perimeter is 102 inches. The width of the rectangle is 9 inch more than half thelength. What are the length and width of the rectangle?

Answers

perimeter = 2width + 2 length

102 = 2(x+9) + 2x

102 = 2x + 18 +2x

102 = 4x +18

84 = 4x

21 = x

Length = x = 21 inches

Width = x + 9 = 21 + 9 = 30 inches

Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4 in., how many cubic yards of dirt does he need? If dirt costs $25 per yd3, how much will the project cost? (Hint: 1yd3=27 ft3).

Answers

Find the volume of the rectangular prism.

V = lwh

V = (9)(16)(4)

V = 756 ft^3

Convert to cubic yards:

1 ft^3 = 0.037037037 yd^3

756 * 0.037037037 = 28

So there are 28 cubic yards of dirt he needs.

Multiply this to 25 to find the total cost of the dirt:

28 * 25 = 700

So the project will cost $700

A six-sided cube is rolled. Find the probability of P (4).Choose the best answer from the options below:
A0.111B0.222C0.155D0.166

Answers

D) .166

The chance of a 4 is 1/6 which is .166