99, 60, 82, 78, 93, 71, 68, 86, 80, 95, 72, 64, what is standard deviation

Answer:

hi

Step-by-step explanation:

Answer:

27°

Step-by-step explanation:

when you see a square to represent that angle, that means that angle is 90 degrees (a right angle)

the angle of a straight line is 180

so [tex]180-90=90[/tex]

[tex]3x+9=90[/tex]

[tex]3x=81[/tex]

[tex]x=27[/tex]

Answer:

Yes, they are correct.

Step-by-step explanation:

When reflected across the x-axis, the y coordinate changes. For example, (1, -1) becomes (1, 1). When translated left 5 units, it would be (-4, 1). Since that point is true, that means the shape is in its correct place.

Answer: 5

Step-by-step explanation:

3345556788

5 is in the middle

Answer:

(12,4)

Step-by-step explanation:

Answer

they would work together in 4 weeks

Step-by-step explanation:

you would add 3 until you get a number that can be divided by 4 then thats how many weeks it would be

i hope this helps you :)

Answer:

on the 12th day they will work together

Step-by-step explanation:

george = 3(d ( days))

maria = 4(d)

multiples of 3

1×3 = 3

2×3= 6

3× 3= 9

3×4= 12

3×5=15

3×6=18

3×7=21

3×8= 28

multiples of 4

1×4= 4

2×4=8

3×4=12

4×4=16

5×4=20

6×4=24

7×4=28

8×4=32

Answer: I think it's 23 years I'm very sorry if it's incorrect!

Step-by-step explanation: 23 years hope this helps! :)

Answer:

About 23 years.

Step-by-step explanation:

It is the closest to $45,000 and the dot. Also, it is the most reasonable.

maybe mark as brainliest? it would rlly help :)

Answer: 8

Step-by-step explanation:
I wouldn’t use a proportion to solve this. I would simply take .125 times 64 and get 8

Answer:

the answer is 8.

Step-by-step explanation:

[tex]0.47x = 1.41[/tex]

[tex]x = \frac{1.41}{0.47} = 3[/tex]

Answer:

it is a rotation of 180 degrees and a reflection over the y -3 or y -4 axis

Step-by-step explanation:

Answer:

For the first one it would be E.

Step-by-step explanation:

Answer:

7: A, B, E

8: D

Step-by-step explanation:

for 7:

all i did was make a mental picture and solve after that

for 8:

this is simple. make a circle graph, with radii 6, and plot the points. If they are on the edges of the circle, they are 6 units away from origin. ive attached an image of this lol

Answer:

4 fifteen minute periods make up one hour, so she will run 8 miles in one hour. Since it’s 2 hours, you would multiply that by 2 to get 16. So, Martha ran 16 miles

Step-by-step explanation:

this is not my answer but i hope it helps :D

Answer:

8 miles

Step-by-step explanation:

i think

Answer:

  132 units²

Step-by-step explanation:

The figure is a trapezoid, so its area can be found using the formula for the area of a trapezoid.

  A = 1/2(b1 +b2)h

The top "base" is the difference between 21 units and 9 units, so is 12 units. Filling in the numbers, we have ...

  A = 1/2(21 units +12 units)(8 units) = 132 units²

The area of the figure is 132 square units.

Answer: 4y^2

Step-by-step explanation: Please view the attached.

Answer:

The reason there are only eight semi-regular tessellations has to do with the angle measures of various regular polygons.

Step-by-step explanation: hope that this helps you! :)

Answer:20

Step-by-step explanation:

Answer:

I thank it is 14.4

Step-by-step explanation:

hope this helps if not let me know

The isosceles triangle has 2 equal sides of 4 inches and a vertex angle measure of 70 degrees, and it is a unique triangle

The given parameters are:

Triangle type = Isosceles triangle

Side length = 4 inches

Angle measure = 70 degrees

Since the triangle is an isosceles triangle, then the equal angles would be:

Ф = 180 - 2 * 70

Ф = 40

The length (L) of the third side is:

L/2 = 7 * cos(40)

Multiply both sides by 2

L = 14 * cos(40)

L = 10.7

So, the angles in the triangle are 70 and 40 degrees; while the side lengths are 4 and 10.7 inches

See attachment for the figure of the isosceles triangle

Read more about isosceles triangles at:

https://brainly.com/question/10187910

Answer: I would say C

Step-by-step explanation: Its not A cuz 7 is a decimal, its not B because of there being 2 p's and same for D

Answer:

D. p + 0.07p

Step-by-step explanation:

Answer choice D is correct because if we were to plug in a variable (e.g. 1 and 2), we would get the same amount when using 1.07p. All the other answer choices either work for only one value or don't work at all.

For example,

        1 + 0.07 = 1.07

        1.07 = 1.07

       2 + 0.14 = 2.14

       2.14 = 2.14

Answer:

StartFraction 1 centimeter over 2.5 meters EndFraction = StartFraction 12 centimeters over x meters EndFraction

Step-by-step explanation:

The complete question is

Eveline made a scale drawing of a patio she is planning to build.

1 centimeter = 2.5 meters. Triangle A B C. Side A is 12 centimeters, side B is 5 centimeters, and side C is 13 centimeters.

Which proportion could Eveline use to find the length of side A?

StartFraction 1 centimeter over 2.5 meters EndFraction = StartFraction 13 centimeters over x meters EndFraction

StartFraction 1 centimeter over 2.5 meters EndFraction = StartFraction 12 centimeters over x meters EndFraction

StartFraction 12 centimeters over 2.5 meters EndFraction = StartFraction x centimeters over 1 meter EndFraction

StartFraction 1 centimeter over 12 meters EndFraction = StartFraction 2.5 centimeters over x meters EndFraction

The picture of the question in the attached figure

we know that

The scale drawing is

That means

1 cm in the drawing represent 2.5 m in the actual

using proportion

Find out the actual length of side A if in the drawing the length is 12 cm

solve for x

The length of side A is 30 meters

The answer is B

Answer:

27 questions.

Step-by-step explanation:

Total questions in history test = 30

Number of questions answered correctly:

90% of 30

= 90/100 × 30

= 27

=》The student answered 27 questions out of 30 correctly.

___________

Hope it helps ⚜

Answer:

27

Step-by-step explanation:

I took the k12 test

Answer:

14

Step-by-step explanation:

On the top layer, there is one cube, on the layer below it there is 3, plus the one under the cube is 4. Then on the very last layer, there is 5, plus the 4 under the cubes is 9, so 9 + 4 + 1 = 14

Answer:14

Step-by-step explanation:first you count up the bottom to the to then that is your bottom answer which is 9 then you count up the ons above it which will be 4 that is your middle answer then there is one at the top add up them all and that is your answer 14.

Answer:

70 degrees

Step-by-step explanation:

2x+3x-20+x+20=180

( angles in a triangle add up to 180 degrees)

as you want to find one x you need to move everything else to the other side: first collect all the like terms: 6x=180

in order to find x you need to divide 180 by 6 which is equal to 30

therefore x=30

if you substitute this into XYZ it would be: 3(30)-20

90-20=70

therefore XYZ=70 degrees

Hope this helped

Answer:

70

Step-by-step explanation:

So we know that the angles of a triangle equal up to 180 degrees. So let's make an equation. So we can do:

2x+(3x-20)+(x+20) = 180

Simplify:

6x=180

x=30

We can also plug this in to check our work. So it would be:

60+(90-20)+(30+20)

simplify

70+50+60=180

Then we have to find angle XYZ so we do 90-20=70

Answer:

x ≥ 4; solid circle at 4 and shaded to the right

Step-by-step explanation:

Given:

 x +2 ≥ 6

Subtract 2

 x +2 -2 ≥ 6 -2

 x ≥ 4

This is graphed as a solid circle at x=4 and shaded to the right (where x > 4).

Answer:

The answer is shown below.

Step-by-step explanation:

The solution is shown below.

Answer:

16 oz of water

Step-by-step explanation:

if you multiply 3 by 4 its 12 if you multiply 4 by 4 its 16