15. A survey shows that 4 out of 10 students in the school would purchase a sweatshirt at a fund- raiser. If there are 1600 students in the school, how many students would you expect to buy a sweatshirt? Write and solve an equation.

Answer:

x=60

Step-by-step explanation:

X+2x=180degree because it is co interior angle

3x=180

X=180/3

X=60.

Verification

X+2x=180

60+2(60)=180

60+120=180

Answer:

The answer is option 3.

Step-by-step explanation:

When both lines are parallel, they will have the same gradient. In a linear equation, y = mx + b where m represents gradient and b is y-intercept :

Let m = -1, b = 1

y = -1x + 1

Answer:

the answer is option 3 like the first person said. no trollin

Step-by-step explanation:

Answer:

the value of x is 46 round to the nearst tenth thatll be 50

Step-by-step explanation:

Answer:

x=7

Step-by-step explanation:

t(x) = 7x, t(x) = 49

Due to the transitive property, you can say that

7x=49

divide both sides by 7

x=7

Hope it helped!

Answer:

Step-by-step explanation:

7

49/7=7

Answer:

x1=-25,x2=23

Step-by-step explanation: hope it helps :)

Hi!

The answer is: 15 girls.

__________________________________________________________

Let

x-----> the number of girls

y-----> the number of boys

we know that

- x+y=27, Which is equation A.

- x/y = 5/4

- isolate the variable y

- y=4/5x, Which is equation B.

- 9/5x=27

- x=5x27/9

- 15 Girls.

__________________________________________________________

Hope this helps!

Answer: 203.8 percent

Step-by-step explanation:

Answer:

$36 dollars

Step-by-step explanation:

Answer:

To get the result we have to find 4/5 of 45$. To do this we have to just multiply 4/5 by 45, so

- 36 is the answer

Answer:

y = 2x - 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = 2, thus

y = 2x + c ← is the partial equation

To find c substitute (5, 6) into the partial equation

6 = 10 + c ⇒ c = 6 - 10 = - 4

y = 2x - 4 ← equation of line

Answer:

60/4 if i get right can i please get brainliest?

Answer:

60 miles/ 4 gallons

Step-by-step explanation:

60 divided by 4 is 15

Answer:

$12.55

Step-by-step explanation:

Multiply 1.86 x 3 = 5.58

3.27 x 2 = 6.54

6.54+ 5.58 =12.12

12.12 + 0.43 = 12.55

$12.55

Answer:

What is the question from both?

Answer:

(4,2) for the first one

(2,-1) for the second one

to get the answers I got, equate Both

Answer:

A

Step-by-step explanation:

-1 / 2 = -0.5

1/-2 = -/0.5

Answer:

b

Step-by-step explanation:

both the top and bottom are negative so there fore the whole fraction is negative.

Answer:

Wal-mart

Step-by-step explanation:

you only get a discount from National Tire and Battery after you purchase 4 tires, which is not as good a deal as Wal-mart's

Answer:

Wal-mart.

Step-by-step explanation

20% of 225 is 45, therefore we subtract 45 from 225 and get 180.

180x4=$720

$720 is the least amount of money spent on 4 tires :)

Answer: c=13/2 but as a fraction

Step-by-step explanation:

Answer:

c = 7

Step-by-step explanation:

-2c + 6 = -8

Subtract 6 from both sides

-2c = -14

Divide -2 by both sides

c = 7

Answer:

22

Step-by-step explanation:

add 11 + 8+ 3

Answer:

Cole bought 7 pants and 9 shirts.

Step-by-step explanation:

Let p represent the number of pants and s represent the number of shirts.

Then using the provided data two equations can be formed.

p + s = 12...(i)

22p + 16s = 234...(ii)

Solve (i) and (ii) simultaneously.

Multiply (i) by 16 and subtract the resultant equation from (ii) as follows:

16p + 16s = 192

-22p - 16s = -234

-6p = -42

p = 7

Substitute p = 7 in (i) and solve for s as follows:

p + s = 16

7 + s = 16

s = 9

Thus, Cole bought 7 pants and 9 shirts.

Answer and Step-by-step explanation:

A. 4 inches: An object that's 4 inches is about 2.54 centimeters or 25.4 millimeters. An business envelope is typically about 4 inches by 9 inches for example.

B. 6 feet: A 6 feet object is quite big when compared to just 4 inches. A feet is 12 inches hence 6 feet is 72 inches. A very tall human being is typically 6 feet.

C. 1 meter: A meter is about 39.37 inches hence it is quite big when compared to a feet. A baseball bat is one meter long.

D. 5 yards: A yard is 36 inches hence a bit smaller than a meter. A trampoline could be 5 yards for example

E. 6 centimeters: one centimeter is 0.394 inches hence smaller than an inch. A 6 centimeters object for example is pencil for writing.

F. 2 millimeters: a millimeter is 0.0394 inches hence smaller than a centimeter and an inch. An orange seed could be 2 millimeters long

G. 3 kilometers: one kilometer is 39370.079 inches hence a kilometer is bigger than inches, meter, feet, yards, centimeters, millimeters. A very big tree could be 3 kilometers long

Answer:

The square root function will turn to;

y = 3 √(x + 4) + 6

Step-by-step explanation:

Let the square root function be ;

y = √x

Now, let’s stretch this by a factor of 3

This means we are dilating by a factor of 3

Mathematically, this will be

y = 3 * √x = 3 √x

Shifting this 4 units up means that we are extending the x-axis value by 4 units

That will be ;

y = 3 √x + 4)

Now shifting this 6 units up, we finally will have;

y = 3 √(x + 4) + 6

Answer:

Direct proportionality

If the value of y varies directly with x, the value of x when y=70 is 20.

Given that, the value of y varies directly with x.

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".

We know that, the value of y varies directly with x

y ∝ x

⇒ y = kx

⇒ k = y/x

⇒ k = 21/6

⇒ k = 7/2

So, k = y/x

7/2 = 70/x

⇒ 1/2 = 10/x

⇒ x = 20

Therefore, if the value of y varies directly with x, the value of x when y=70 is 20.

To learn more about the proportional relationship visit:

brainly.com/question/12917806.

#SPJ2

Answer:

C

Step-by-step explanation:

Answer:

Hi^^^its Anime

What is the range of this relashinship for

(17, 1)

(12, -19)

(7, 4)

(17, 11)

Would be  (-17, 7, 12, 17) known as b).

Step-by-step explanation:

Answer:

Okay will do!!

Step-by-step explanation:

Answer:

one input is going to two different out puts it also fails the vertical line test

Answer:

because there is no association between each dot on the scatter plot pls mark brainliest

Step-by-step explanation: