Help please and explain it

i posted this one before but it got deleted somehow

Answer:

45% of students are female or 15/32

Step-by-step explanation:

We find out their is 72 Boys and 60 Girls

We add both together to get 132 Students

Then we divide to get our number/fraction

60/132 = 15/32 or 45%

MARK AS BRAINLIEST

Answer:

A. Garden plants grow better in wet soil than in dry soil.

Step-by-step explanation:

A testable hypothesis is theory that can actually be proven by facts rather than opinions

Answer: division

x = 6

Step-by-step explanation:

Simplifying

7x = 42

Solving

7x = 42

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Divide each side by '7'.

x = 6

Simplifying

x = 6

Answer:6

Step-by-step explanation:

Answer:

Pretty easy (if you know geometry)!

Step-by-step explanation:

First, we know that A and B have angle bisectors. This means the angles that are divided by that angle bisector are equal (or their measures).

Thus, m<DBA= 1/2 Beta; m<DAB=1/2 Alpha.

Time to find m<ADB. Using the sum of all angles in a triangle = 180* theorem, we can come up with this equation:

[tex]180= m<ADB+\frac{1}{2} \alpha +\frac{1}{2} \beta[/tex]

So, solving:

[tex]180-\frac{1}{2} \alpha -\frac{1}{2} \beta =m<ADB[/tex]

So there you go! Hope this helps!

Answer:

2 photographs

Step-by-step explanation:

338 devided by 4 is 84.5, so then 4 x 84 is 336 leaving 2 photographs as the remainder

Answer:

2 photos on the last page

Step-by-step explanation:

Notice that  4 times 84 is 336, so in 84 pages he can get 336 photographs, there are just 2 left to complete the 338 he had. So the last page gets 2 photos.

Answer:

150 steps

Step-by-step explanation:

let the number of steps=x

time taken to go up=1/3×x=x/3 s

time taken to go down =1/2×x=x/2 s

now

[tex]\frac{x}{2} -\frac{x}{3} =25\\multiply ~by~6\\3x-2x=25 \times 6\\x=150[/tex]

Why am I just finding this?

Answer:

x = 4c - 18

Step-by-step explanation:

=> 4c-3 = x+ 15

Subtracting 15 to both sides

=> x = 4c-3-15

=> x = 4c - 18

Answer:

x=6

Step-by-step explanation:

4x- 3 = x+15

-1x       -1x

3x- 3=15

+3       +3

3x=18

÷3  ÷3

x=6

Answer:

B. SAS

Step-by-step explanation:

Ratio of sides equal:

So the 2 sides are congruent and also share same angle between.

Answer:

B no is correct answer.

Answer:

step 1 is wrong because when an absolute opens there are two possibilities of solutions and there will be sign ±

Step-by-step explanation:

i hope this will help you :)

Step-by-step explanation:

19/20 in decimal form is 0.95

Answer:

0.95

Step-by-step explanation:

19 ÷ 20

Divide.

= 0.95

Answer:

a. 60 boys

b. 228 total students

Step-by-step explanation:

a. If there are 45 girls and the ratio of girls to boys is 3:4, then there are 60 boys. The common multiple is 15.

3 * 15 = 45

4 * 15 = 60

45:60 = 3:4

——————————

b. First we need to find out how many boys there are.

95 / 5 = 19

19 * 7 = 133

So, there are 133 boys and the given number of girls is 95. To find out how many total students there are, we need to add 133 and 95.

133 + 95 = 228

Answer:

Domain { -1,3,5}

Step-by-step explanation:

The domain is the input to the function

Domain { -1,3,5}

Answer: 55 degrees

By definition of how the term "central angle" is defined, it is simply equal to the arc measure it cuts off. The central angle JOI subtends or cuts off the minor arc JI which is 55 degrees, so the central angle is also this measure as well.

Put another way, minor arc JI is 55 degrees of a full 360 degree rotation, and so is the angle JOI.

Step-by-step explanation:

[tex]scale \: factor = \frac{7}{28} = \frac{1}{4} \\ [/tex]

[tex] ratio \:of \:surface \:areas\\

=\frac{2[5\times 7 + 7\times 3+3\times 5]}{2[20\times 28+ 28\times 12+12\times 20] }\\\\

=\frac{[35 + 21+15]}{[560+ 336+240] }\\\\

=\frac{71}{1136}\\\\

=\frac{1}{16}\\\\

= 1\: :\: 16[/tex]

Answer:

60cm

Step-by-step explanation:

1:50 means every foot is 50 feet.

So I would think the ship hes making will be 2 feet long.

Every foot is equal to 0.3m which is equal to 30cm

Every foot is equal to 30cm

2 x 30cm = 60cm

Answer:

[tex] \frac{1}{3} [/tex]

Step-by-step explanation:

so

just consider the lengh:

[tex] \frac{1}{3} [/tex]

or the width :

[tex] \frac{3}{9} [/tex]

or the area:

[tex] \sqrt{ \frac{3 \times 1}{9 \times 3} } = \sqrt{ \frac{3}{27} } = \sqrt{ \frac{1}{9} } = \frac{1}{3} [/tex]

Answer:

C is yo answer of y=3x-1

Step-by-step explanation:

the y intercept is -1 and yo slope is 3. you could see yo line goin up by three and to tha right by 1

Answer:

9

Step-by-step explanation:

The average is just another word for mean. You get the mean by adding all the numbers in a data set and then dividing by the number you added.

Answer:

-5x + 0y = -11

The y terms are eliminated

Step-by-step explanation:

- 4x – 2y = -2

X - 2y = 9

We want to subtract the second equation from the first

Distribute a minus sign to all the terms in the second equation

- 4x – 2y = -2  

X - 2y = 9

= (-5x + 0y = -11)

Answer:

10.5

Step-by-step explanation:

20 – 23 ÷ 4 • 2 + 2

    (3)      (1)  (2) (4)

(1) 23: 4 = 5.75

(2) 5.75*2 = 11.5

(3) 20 - 11.5 = 8.5

(4) 8.5 + 2 = 10.5

Step-by-step explanation:

20-(23/4)×2+2

=20-(5.75×2)+2

=20-11.5+2

=8.5+2

=10.5

Answer:

16m and 12m

Step-by-step explanation:

2x + 2(x - 4) = 56

4x = 64

x = 16

Sides are 16 m and 12 m

Answer:

201, 500ft²

Step-by-step explanation:

The formula for calculating area in this case is;

A = w × l

This means we're going to take the width of the runway (65ft) and multiply it by the length of the runway (3100ft).

(To make it easier on paper, you can swap the two numbers around, so the higher number is on top, and the smaller number is on the bottom - 3100 × 65. It won't change the answer, but it will make it quicker and easier to get to the result, and lessens the chances making a mistake.)

So the equation you need to do is;

3,100 × 65 = 201, 500.

Add on the units, and there's your answer;

201, 600ft²

Answer:

95 degrees

Step-by-step explanation:

Since the sum of the angles in a quadrilateral must add up to 360 degrees:

95+85+Z+85=360

Z+265=360

Z=95 degrees

Hope this helps!

Answer:

Z = 95°

Step-by-step explanation:

if W = Y => X = Z => Z = 95°

Answer:

Step-by-step explanation:

Suppose that the side length is s.  Imagine that one side is level.  Draw a vertical line through the top vertex perpendicular to the base (level side).  Label this vertical line "h."  Then h and s are related as follows:

                               √3          h

sin 60 degrees = ------- = --------

                                 2           s

                                                                   s√3

and so h = the height of the triangle =  -----------

                                                                       2

The area of this triangle is (1/2)(base)(height), which here is:

(1/2)(s/2)( s√3 /2), or

        (s^2)√3

A = ---------------

               8                                

Answer:

I guess that the expression is:

(y^2*y^3)/(y*y^(-2))

remember this two relationships.

a^x*a^y = a^(x + y)

(a^x)/(a^y) = a^(x - y).

then we have:

y^2*y^3 = y(2 + 3) = y^5.

and

y*y^(-2) = y^(1 + (-2)) = y^-1

then our expression can be written as:

(y^2*y^3)/(y*y^(-2)) = y^5/y^(-1) = y^(5 - 1) = y^4.

Then the correct option is b: y^4

Answer:

m = 2

Step-by-step explanation:

30m + 45m = 150

75m = 150

m = 150/75

m =2

Answer:

m = 2

Step-by-step explanation:

30m + 45m = 150

75m =150

÷75    ÷75

m = 2