the store bought a pair of shoes for $40 and sold it for $100. What percentage was the markup?

Answer:

b

Step-by-step explanation:

Answer:

B

Step-by-step explanation:

Answer:

9

Step-by-step explanation:

when multiplying exponets with the same base we add the exponets

-4+6

2

3^2

and now to simplify

3*3

9

hopes this helps

The total area of the table runner is 858 square inches

Given that Table Runner has an overall length of 72" and a width of 13",

Area = length ×width

=60×13

=780 sq in

Area of triangle = 1/2×base ×height

=1/2×13×6

=39

There are two triangles so area is 2(39) = 78

Total area is 936+78

=858 square inches

Hence, the total area of the table runner is 858 square inches

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The tables which shows a proportional relationship between x and y are table 3 and table 4.

Using ratio to find the proportional relationship

Table 1

x : y = 8 : 8

= 1 : 1

x : y = 12 : 10

= 6 : 5

Not proportional

Table 2:

x : y = 2 : 3

x : y = 3 : 8

Not proportional

Table 3:

x : y = 5 : 3

x : y = 10 : 6

= 5 : 3

Proportional

Table 4:

x : y = 4 : 1

x : y = 16 : 4

= 4 : 1

Proportional

Ultimately, table 3 and table 4 shoes a proportional relationship between x and y.

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Due tο the 90 degree angle created by the axes at the origin and the measurements at point p, the system is knοwn as being rectangular.

What is Cartesian coordinate system?

A Cartesian coordinate system in a plane is a system of cοordinates that uniquely identifies each pοint by a pair of numerical coordinates. The coordinates (Xp, Yp) shοw where point p is in relation to the origin. Because the angle created by the axes at the οrigin and the angle created by the measurements at point p are bοth 90 degrees, the system is referred tο as rectangular. Thus, the measurement has sides of Xp and Yp, fοrming a rectangle.

These numerical coοrdinates are the signed distances from two fixed perpendicular οriented lines to the point, measured in the same unit of length.

In any case, for any convex polygon (including rectangle) the test is very simple: check each edge of the polygοn, assuming each edge is oriented in cοunterclockwise direction, and test whether the point lies tο the left of the edge (in the left-hand half-plane). If all edges pass the test - the pοint is inside. If at least οne fails - the point is outside.

In order to test whether the point (xp, yp) lies οn the left-hand side οf the edge (x1, y1) - (x2, y2), you just need tο calculate

D = (x2 - x1) * (yp - y1) - (xp - x1) * (y2 - y1)

If D > ∅, the pοint is on the left-hand side. If D < ∅, the point is on the right-hand side. If D = ∅, the pοint is on the line.

The previous versiοn of this answer described a seemingly different version οf left-hand side test . But it can be easily shοwn that it calculates the same value.

In order to test whether the point (xp, yp) liesοn the left-hand side of the edge (x1, y1) - (x2, y2), yοu need to build the line equation for the line containing the edge. The equatiοn is as follows

A × x + B × y + C = ∅

where

A = -(y2 - y1)

B = x2 - x1

C = -(A * x1 + B * y1)

Now all you need to dο is to calculate

D = A * xp + B * yp + C

If D > ∅, the pοint is on the left-hand side. If D < ∅, the point is on the right-hand side. If D = ∅, the point is on the line.

However, this test, again, wοrks for any convex polygon, meaning that it might be too generic fοr a rectangle. A rectangle might allow a simpler test... For example, in a rectangle (οr in any other parallelogram) the values of A and B have the same magnitude but different signs for opposing (i.e. parallel) edges, which can be explοited to simplify the test.

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Answer:

20/121

Step-by-step explanation:

\(ab=\left(\frac{2}{11} \right) \left(\frac{10}{11} \right) \\ \\ =\frac{(2)(10)}{(11)(11)} \\ \\ =\frac{20}{121}\)

Answer:

8inches

Step-by-step explanation:

Length of the third side = perimeter - ( side1 + side2 )

                                       = 17 - (5+4)

                                       = 17 - 9

                                       = 8 inches

According to the given data we have the following:

A diver ascended 9/10 of a meter in 1/10 of a minute, hence a full minute=10/10 becuase 9/10*1/10=10/10

Therefore, in order to calculate the diver's rate of ascent we would make the following calculation:

diver's rate of ascent=9/10*10

diver's rate of ascent=9

Therefore, the rate would be 9 meters per minute

The equation is given as y = -x + 8

The purpose of an equation is to find the value of the variable that makes the equation true. Equations are used in various fields of mathematics and science to represent relationships between different quantities and to solve problems.

To create an equation that represents the relationship between x and y in the table, we need to first determine the pattern or trend in the data.

From the given data, we can see that as x increases by 2, y decreases by 2. This suggests that there is a linear relationship between x and y.

Using the two points (-2,10) and (0,8), we can find the slope:

m = (y2 - y1) / (x2 - x1) = (8 - 10) / (0 - (-2)) = -1

Now that we have the slope, we can use any point on the line to find the y-intercept. Let's use the point (0,8):

8 = (-1)(0) + b

b = 8

Therefore, the equation that represents the relationship between x and y in the table is:

y = -x + 8

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Answer: The acceleration of the car is -6 m/s²

Step-by-step explanation:

The acceleration of the car can be found by using the given below equation:

Acceleration = (final velocity - initial velocity) / time

Given:

Initial velocity (u) = 30 m/s

Final velocity (v) = 0 m/s

Time (t) = 5 seconds

Putting the values in the equation:

acceleration = (0 - 30) m/s / 5 s

acceleration = -30 m/s / 5 s

acceleration = -6 m/s²

Therefore, the acceleration of the car is -6 m/s² (negative sign indicates deceleration).

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The perimeter of Quadrilateral JKLM is 20 units.

What is the perimeter of a Quadrilateral?

The length of a quadrilateral's boundary, or what remains after joining all four of its sides to form a single line segment, is referred to as the quadrilateral's perimeter.

Here, we have

Given: The coordinates of a quadrilateral JKLM are J(0,6), K(4,6), L(4,3), and M(-4,3).

We have to find the perimeter of Quadrilateral JKLM.

The perimeter of a quadrilateral = sum of all four sides of the quadrilateral.

Given the coordinates of quadrilateral JKLM as:

J(0,6)

K(4,6)

L(4,3)

M(-4,3)

Use the distance formula d = √(y₂ - y₁)² + (x₂ - x₁)² to find each segment of the quadrilateral .

JK = √(6 - 6)² + (4 - 0)²

JK = 4 units

KL = √(3 - 6)² + (4 - 4)²

KL = 3

LM = √(3 - 3)² + (-4 - 4)²

LM = 8

JM = √(3 - 6)² + (-4 - 0)²

JM = √9+16

JM = 5

Perimeter of quadrilateral JKLM = JK + KL+ LM + JM = 4 + 3 + 8 + 5 = 20

Hence, the perimeter of Quadrilateral JKLM is 20 units.

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Answer:

2.25

Step-by-step explanation:

8.5-6.25

(8-6)+(0.5-0.25)

2+0.25

2.25

Answer:

2.25 or 9/4 is the answer

Hope this helps

Answer:

5:2

Step-by-step explanation:

5b=3c=2a

So 5b=2a

2a=5b

5:2 = a:b

To check crossmultiply, and you get 2a=5b

D (6,-3) and the area is 30 square feet tall.

The probability that more than 2 students will attend is 0.9179.

Part (a) List the values that X may take on.

X may take on the values 0, 1, 2, 3, ..., 13.

Part (b) Give the distribution of X.

The distribution of X can be represented as follows: X-0:0, 1:0.23, 2:0.23, 3:0.23, 4:0.23, 5:0.23, 6:0.23, 7:0.23, 8:0.23, 9:0.23, 10:0.23, 11:0.23, 12:0.23, 13:0.23

Part (c) How many of the 13 students do we expect to attend the festivities? (Round your answer to the nearest whole number.)

We can expect 3 students to attend the festivities.

Part (d) Find the probability that at most 3 students will attend. (Round your answer to four decimal places.)

The probability that at most 3 students will attend is 0.6923.

Part (e) Find the probability that more than 2 students will attend. (Round your answer to four decimal places.)

The probability that more than 2 students will attend is 0.9179.

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Determine how much money did the carpenter start with

The total money with the carpenter is $318.4

Given:

let

x = total money with the carpenter

Bags of sand = 7/8 of x

= 7/8x

Money remaining = x - 7/8x

= (8x-7x) / 8

= 1/8x

Bags of bunting bags = 1/2 of 1/8x

= 1/2 × 1/8x

= 1/16x

Money left = $19.90

Total money = bags of sand + bag of bunting flag + money left

x = 7/8x + 1/16x + 19.90

x = (14x + x) / 16 + 19.90

x = 15/16x + 19.90

x - 15/16x = 19.90

16x - 15x / 16 = 19.90

x/16 = 19.90

divide both sides by 1/16

x = 19.90 ÷ 1/16

= 19.90 × 16/1

= 318.4

Therefore, the total money with the carpenter is $318.4

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Answer:

11

Step-by-step explanation:

Answer:

3000 pounds :)

hope this helped<3

Answer:

13.6 m²

Step-by-step explanation:

The area of the triangle is equal to

\( \frac{3.2 \times 0.5}{2} = 0.8 \: {m}^{2} \)

Therefore, the area of the figure is equal to

\( (4 \times 3.2) + 0.8 = 12.8 + 0.8 = 13.6 \: {m}^{2} \)

we can use pythagoras to solve the triangle

where a and b are sides and h the hypotenuse on this case we use half triangle to make a rigth triangle and apply pythagoras

a is 9, b is 20 and h the x

so replacing

solve for x

and do the operatios

the value of x is 21.93 units

Answer:

1.) y=-2x+4

2.) y=1x-1

Step-by-step explanation yw

Answer:she is right

Step-by-step explanation:

If you have to make a 48 foot long fence and each post is 6 feet then you would need 8. 6 times 8 =48

Answer:

She will need 9 posts. 1 in each end and 7 in the middle = 2+7=9

Step-by-step explanation:

Answer:

2(1)²−1= 1

2(2)²−1= 7

2(3)²−1= 17

2(4)²−1= 31

2(5)²−1= 49

Please mark as brainliest if answer is right

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