Can someone plz help me with these 3 math questions plz and plz explain how u got the answer

Answer:

A = 55 in²

Step-by-step explanation:

The area (A) of a trapezoid is calculated as

A = [tex]\frac{1}{2}[/tex] h (b₁ + b₂ )

where h is the perpendicular height and b₁, b₁ the parallel bases

Here h = 5, b₁ = 5 and b₂ = 17 , then

A = [tex]\frac{1}{2}[/tex] × 5 × (5 + 17) = 2.5 × 22 = 55 in²

Answer: 55

Step-by-step explanation: A=a+b

2h=5+17

2·5=55

________

Hope it helps

Answer:

Where is the triangle? At least say the other sides length

Answer: D (Mean is 85)

Explanation:

"The list below shows the quiz scores for a group of students.

95, 80, 80, 85, 80, 85, 90"

The choices talk about median and mode so we find those first:

Median: find by taking which is the middle number when the data is from low to highest

1) rearrange them from low to high

80, 80, 80, 85, 85, 90, 95

2) find middle number

80, 80, 80, 85, 85, 90, 95

The median is 85

Mean: mean is the average of all numbers. Find by adding numbers and dividing by amount of numbers

1) add 80, 80, 80, 85, 85, 90, 95 and get 595

2) There are 7 total numbers so do 595/7 = 85

The mean is 85

why?

A is wrong because they are 85 not 80

B is wrong because it is 85 not 80

C is wrong because it is 85 not 80

D is right because it is 85!

Answer:

area of triangular logo = ½ × base × height

= ½ × 8 × 11

2

= 22 in²

Answer:

22

Step-by-step explanation:

If you multiply the base times height, which would be 8 * 5 1/2, You get 44. Then multiply that by 1/2 to get the area, and you get 22.

Hope this helps!

Answer:

l = 14

Step-by-step explanation:

The perimeter of a rectangle is

P =2(l+w)

The width is x-6

w = x-6

The length is 8 units longer than the width

l = w+8

l = x-6+8

l = x+2

We can substitute this into the equation for Perimeter, which is given as 40

40 = 2(x+2 + x-6)

Combine like terms

40 =2 (2x-4)

Divide by 2

40/2 = 2/2 (2x-4)

20 = 2x-4

Add 4 to each side

20+4 =2x-4+4

24 = 2x

Divide by 2

24/2 =2x/2

12=x

We want to know the length

l = x+2

l =12+2

l = 14

Answer:

to fix a expansionary or inflationary period

Answer:

for every 1 packet you get 10 plants

for every 1 pound there are 5 cups

Step-by-step explanation:

Answer:

The correct answer is C) 11 | 2 = 112

Step-by-step explanation:

That is because that is how these kinds of stem and leaf plots work. You add the number on the left to each individual number of the right. For example, the numbers in row 11 are actually:

112, 112, 115, 118.

The reason why we have stem plots is that it removes the need to write the 11 at the beginning of the number and lets you interpret and analyze the data more easily.

Stemplots are also pretty annoying and useless, and something you'll basically never use, so don't worry if they don't make much sense :)

Answer:

No 4 is easy you get 2/3

My explanation is just make the denominator the same which is 13/6 - 9/7

13 x 7/6x7 - 9x6/7x6

The answer it its 91/42 - 63/42

=28/42

If you simply it it would be 2/3

(/ this means by) sorry for my bad explanations

Answer:

673.6? ur supposed to divide right?

Answer: more info pls

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

It D because you must divide to get the cost for each notebook since there are 6 notebooks and they all cost $13.50. [tex]6\sqrt{13.50}[/tex] so, 2.25 each.

Answer:

So first do the exponent the divide then multiply ad then subtract

Step-by-step explanation:

By using PEMDAS we can tell if Tisha is correct

Hope this helps

Answer:

I wish I was smart in math because that looks hard!!

Step-by-step explanation:

Answer:

Step-by-step explanation:

Answer:

1.  145-(3squared times 4)=109

2. 45 divided by 9 times 12-8= 52

3.  2 squared +3 times 4-12= 4

4.[155-(3 times 9) times 2] -12= 89

5. [(6 times 2) +(5 times 5)  times 3= 111

6. 2 times {15+[24-(1.5 times 2)]}= 72

Step-by-step explanation:

(BOMDAS) brackets, operations, multiplication, division, addition, subtraction

1. (deal with the brackets first)

3 squared=9 then times by 4 =9*4=36

so..

145-36=109

2. (start with division )

45 divided by 9 =5

so

5 times 12-8= 52

3. 2 squared = 4

4 times 3 =12

so

4+12-12 =4

4.  (deal with brackets first)

3 times 9 = 27

27 times 2=  54

155-54= 101

101-12=89

5. (deal with the brackets first)

6 times 2 =12    

5 times 5=25

so 12+25=  37 times 3 = 111

6.  (deal with the brackets first)

1.5 times 2= 3

24-3= 21

15+21=36

2 times 36= 72

hope this helps!!!

Answer:

30 home runs

Step-by-step explanation:

0.24×125=30

hope this helps

Answer:

The formula to find the surface area of a rectangular prism is A = 2wl + 2lh + 2hw, where w is the width, the l is the length, and the h is the height.Jul 8, 2014

Step-by-step explanation:

Answer:   1: 2 pairs of parallel sides

       2: 3 sides of equal length

Step-by-step explanation:

your welcome✌✨

どういたしまして✌✨

欢迎您✌✨

de nada✌✨

a) The properties that both rectangles and parallelograms always share is 2 pairs of parallel sides

b) The properties that equilateral triangles and isosceles triangles have in common is 2 sides of equal length

A parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure

The sum of angles of a parallelogram is 360°

The four types are parallelograms, squares, rectangles, and rhombuses

Properties of Parallelogram

Opposite sides are parallel

Opposite sides are congruent

Opposite angles are congruent.

Same-Side interior angles (consecutive angles) are supplementary

Each diagonal of a parallelogram separates it into two congruent triangles

The diagonals of a parallelogram bisect each other

Given data ,

a)

Let the figure be represented as ABCD

Now , the figure ABCD is a rectangle

And , the opposite sides are parallel for a rectangle

Therefore , a rectangle is a parallelogram with 2 pairs of parallel sides

b)

An equilateral triangle is a triangle is 3 equal sides

An isosceles triangle is a triangle with 2 equal sides

Therefore , the property that equilateral triangles and isosceles triangles have in common is 2 sides of equal length

Hence , the parallelogram is solved

To learn more about parallelogram click :

https://brainly.com/question/23488153

#SPJ3

Answer:

We could calculate the range and median.

Answer:

67

Step-by-step explanation:

Answer:

10.5 pounds

Step-by-step explanation:

[tex]\frac{7}{8} *12=10.5 lbs[/tex]

Answer:

21.25 and a total of 25.50

Step-by-step explanation:

multiply 4.25 by 5 to get the meal cost and add the 4.25 for the tip

Answer: -40 or 40

Step-by-step explanation:

y = -1.5x + 60

y = 60 divided by -1.5

= -40

Hope this helps!

Answer:

Step-by-step explanation:

The solution of a system of linear equations is the point of intersection of their graphs because the intersection represents the only x or y values that will satisfy both/all equations. The graph visually shows that the intersection of these equations is the only spot on the graph that all of the equations have in common. This means that only this spot will satisfy all equations. For example, the intersection may be (0,1); this means that for all equations an x value of 0 will always result in the y value of 1. However, an x or y value that satisfies one equation may not satisfy the others if they do not lead to the desired outcome.

Answer:

C) d =rt

Step-by-step explanation: