WILL MARK BRAINLIEST!

Answer:

median = 2

mode = 0

Range = 10

Step-by-step explanation:

mark branliest

and if you need help just ask

Answer:

75%

Step-by-step explanation:

First find the number of boys.

80 - 20 = 60

Now find the percentage my taking the number of boys upon the total, times that by 100 which gives the percentage.

[tex]\frac{60}{80}[/tex] × 100 = 75%

Answer:

triangle: 5x-8

square: 4x+8

Step-by-step explanation:

triangle: 2x + 2x + x -8

combine like terms

= 5x-8

square: x + 2 + x + 2 + x + 2 + x +2

combine like terms

= 4x + 8

Step-by-step explanation:

<A + < B = 90° { being complementary angles)

2x + 10° + 3x + 15° = 90°

5x = 90° - 15° - 10°

5x = 65°

x = 13°

Now

<B = 3x + 15° = 3 *13° + 15° = 54°

Hope it will help :)

Answer:

Write in slope-intercept form,

y =mx+bxy=4x+6

Step-by-step explanation:

Answer:

y=2x+5

Step-by-step explanation

Replied to your comment lol

Answer:

Identifying at least one confounding variable that undermines the conclusion drawn in the fictional study is:

All students took the same comprehensive test.

Step-by-step explanation:

In a study, an independent variable causes an effect on the dependent variable. But a confounding variable is the variable that influences the independent variable as well as the dependent variable.  If this third variable is not controlled, it might lead the researcher to make a wrong estimate of the relationship that exists between the independent variable and the dependent variable.

Answer:

I don't know if you need help, but the answer to the question in the picture is indeed A. :)

Answer:

its 56

Step-by-step explanation

50% × x = 28 or, 50 100

× x = 28

Multiplying both sides by 100 and dividing both sides by 50,

we have x = 28 ×

100

50

x = 56

If you are using a calculator, simply enter 28×100÷50, which will give you the answer.

Answer:

c

Step-by-step explanation:

Answer:

[tex]\huge\boxed{x=-\dfrac{44}{3}=-14\dfrac{2}{3}}[/tex]

Step-by-step explanation:

[tex]-2x-117=10x+59\qquad|\text{add 177 to both sides and subtract}\ 10x\ \text{from both sides}\\\\-2x-10x-117+117=10x-10x+59+117\\\\-12x=176\qquad|\text{divide both sides by (-12)}\\\\\dfrac{-12x}{-12}=\dfrac{176}{-12}\\\\x=-\dfrac{176:4}{12:4}\\\\x=-\dfrac{44}{3}[/tex]

Well, for one thing, your teacher must see a lot of potential in you if she moved you up a level!

Answer:

Linda has 3/8 yards of fabric left.

Step-by-step explanation:

Ok, so forget 1 "yard." That'll just confuse you. Just say, Linda has 1. She used 5/8 of it. How much does she have left? So, Linda breaks her 1 into 8 pieces, and she throws away 5 of them. How many does she have left? Basically, just subtract 5 from 8. What does that give you? 3! Linda has 3/8 yards of fabric left.

I hope this helps, and I'm sure you'll get it soon

Answer:

21/56 in simplest form is 3/8

Step-by-step explanation:

Answer:

The points are (1, -11) and (17, -11).

Step-by-step explanation:

The distance between points (x1, y1) and (x2, y2) is

[tex] d = \sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2} [/tex]

We have values for x1, y1, and y2. We leave x for x2, and we solve for x.

[tex] 17 = \sqrt{(x - 9)^2 + (-11 - 4)^2} [/tex]

Square both sides.

[tex] 289 = (x - 9)^2 + (-11 - 4)^2 [/tex]

[tex] 289 = x^2 - 18x + 81 + 225 [/tex]

[tex] x^2 - 18x + 17 = 0 [/tex]

[tex] (x - 1)(x - 17) = 0 [/tex}

[tex] x - 1 = 0 [/tex]   or   [tex] x - 17 = 0 [/tex]

x = 1 or x = 17

The points are (1, -11) and (17, -11).

Using distance between two points, it is found that the values are:  x = 17, x = 1.

----------------------------

Distance between two points:

Suppose that we have two points, [tex](x_1,y_1)[/tex] and [tex](x_2,y_2)[/tex]. The distance between them is given by:

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

----------------------------

[tex]D = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]

[tex]\sqrt{(x - 9)^2 + (-11 - 4)^2} = 17[/tex]

[tex](\sqrt{(x - 9)^2 + (-11 - 4)^2})^2 = 17^2[/tex]

[tex](x - 9)^2 + (-15)^2 = 289[/tex]

[tex]x^2 - 18x + 81 + 225 = 289[/tex]

[tex]x^2 - 18x + 17 = 0[/tex]

Quadratic equation with [tex]a = 1, b = -18, c = 17[/tex].

Applying Bhaskara:

[tex]\Delta = b^2 - 4ac = (-18)^2 - 4(1)(17) = 256[/tex]

[tex]x_1 = \frac{-b + \sqrt{\Delta}}{2a} = \frac{-(-18) + \sqrt{256}}{2} = 17[/tex]

[tex]x_2 = \frac{-b - \sqrt{\Delta}}{2a} = \frac{-(-18) - \sqrt{256}}{2} = 1[/tex]

The values are: x = 17, x = 1.

A similar problem is given at https://brainly.com/question/22532602

Answer:

B) (4/9 x 20)-3

Answer:

The two triangles formed are also similar to each other. The measure of the altitude drawn from the vertex of the right angle to the hypotenuse is the geometric mean between the measures of the two segments of the hypotenuse.

Step-by-step explanation:

Answer:

80

That's the answer

Step-by-step explanation:

No explanation

Answer: 80 meters

Step-by-step explanation:

There are two ways you could do this.

1st way (my personal way of doing it): Add 25 + 15 + 25 + 15. Then subtract that by 9 + 7 + 9 + 7 (you do this because that will find the perimeter of the open space.)

=> 25 + 15 + 25 + 15 = 80

=> 9 + 7 + 9 + 7 = 32

=> 80 - 32 = 48

2nd way: Add 25, 15, 16 and 8. (You are adding the sides that they already give you.) Then, you would find the missing sides (or the sides that don’t have a number on the .) And that would be 7 and 9. So you add the sum of those two numbers to your answer.

=> 25 + 15 + 16 + 8 = 64

=> 7 + 9 = 16

=> 64 + 16 = 80

This might be very confusing but I hope this helps :’)

Answer:

y = 1/10x

Step-by-step explanation:

We see that it intersects points (60,6), (120,12), and (0,0)

y = mx + b

m = 6/60 = 1/10

b = 0

y = 1/10x

Answer:

Step-by-step explanation:

area = ½(base)(height) = 2x²-2x-4

½(base)(x-2) = 2x²-2x-4

½(base) = (2x²-2x-4) ÷ (x-2) = 2x+2

base = 4x+4

Answer:

30

Step-by-step explanation:

Answer:

you must divide the shape into rectangles, triangles or other shapes you can find the area of and then add the areas back together.

Step-by-step explanation:

That is your step by step and yur answer

1.5 im sorrry again if im wrong:(

Step-by-step explanation:

im sorry if i am wrong

Answer:

178.64 square cm

Step-by-step explanation:

5.8 x 8.8 x 2 = 102.08

8.8 x 8.7 = 76.56

76.56 + 102.08 =

178.64

Hope that helps!

Answer:

Assuming the question is about the area of the "house" it's 70.

Step-by-step explanation:

The triangle's height is 18 - 10 = 8

The area of the rectangle is 5 * 10 = 50

The area of the triangle is 5 * 8 / 2 = 20

The total area is 50 + 20 = 70

Answer:

((2^(-2))÷(3^3))^4=

Step-by-step explanation: expand

Answer:

yes the all are right.

Step-by-step explanation:

5( y + 2/5) = -13

Distribute the 5 by multiplying the 5 by each term inside the set of parentheses:

5y + 2 = -13

Subtract 2 from both sides:

5y = -15

Divide both sides by 5:

Y = 3

The answer is y = 3

Answer:

Tris-HCl (0.5M Tris Base, pH7.6):

Trizma Base ---------------------------------- 61 g

Distilled water ------------------------------- 1000 ml

Adjust pH 7.6 using concentrated HCl

Store this solution at room temperature. Dilute 1:10 with distilled water before use

and adjust pH if necessary.

20X Tris-HCl (1M Tris Base, pH7.6):

Trizma Base ---------------------------------- 122 g

Distilled water ------------------------------- 1000 ml

Adjust pH 7.6 using concentrated HCl

Store this solution at room temperature. Dilute 1:20 with distilled water before use

and adjust pH if necessary.

10X Tris-HCl-Tween 20 (0.5M Tris Base, 0.5% Tween 20, pH7.6):

Trizma Base ---------------------------------- 61 g

Distilled water ------------------------------- 1000 ml

Adjust pH 7.6 using concentrated HCl and then add 5 ml of Tween 20.

Store this solution at room temperature. Dilute 1:10 with distilled water before use

and adjust pH if necessary.

Note: Tris-HCl Buffer is used for specific cases of immunohistochemical staining.

*** OR you can use Tris Base to make Tr

Answer:

Step-by-step explanation:

x = 100° ( being vertically opposite angles )

hope it helps :)