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3 years ago

The Red Hook Raiders fundraiser has raised

Mathematics

2 answers:

Sholpan [36]3 years ago

7 0

Answer: $2500

Step-by-step explanation:

First: 700/28=25

Second: 25*100=2500

Last: The answer is 2,500 dollars

Oksanka [162]3 years ago

5 0

Answer:

$2500

Step-by-step explanation:

Let their goal equal x. we can say that $700 is 0.28x. if you divide both sides by 0.28, you will get x=2500

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In a class of 25 students, 15 of them have a cat,

Tju [1.3M]

Answer:

9/25

Step-by-step explanation:

I used to struggle on these too, but I'll exaplain the best I can. Firstly, we know that 3 people don't have a cat or a dog, so what we do is we minus that from 25. This becomes 22. Now, we have to add the amount of people who have a cat to the amount of people who have a dog, and then minus it from 22, because that is the amount of people without double ups in the class with at least either one of the pets given. So, 16+15=31. Now, we do 31-22, which is equal to 9. Therefore, 9/25 people, (because the question asked out of random in the class), have a cat and a dog. This is because the double up are the extra amount of people who had more than one pet. Hopefully this was helpful. I'm sorry if it is not as probability is a hard topic to explain.

:))))))))))))))))))))))))))

5 0

2 years ago

The graphs of y = f(x) and y = g(x) are shown on the coordinate plane below. If g(x) = k* f(x), what is the value of k?

mixer [17]

Answer:

Value of k = -2

Step-by-step explanation:

Using slope intercept form:

The equation of line is given by:

y = mx+b

where, m is the slope and b is the y-intercept.

As per the statement:

The graphs of y = f(x) and y = g(x) are shown on the coordinate plane.

First find f(x):

Consider two points on y=f(x) are:

(0,-3) and (2, 1)

Formula for slope:

$\text{Slope(m)} = \frac{y_2-y_1}{x_2-x_1}$

then;

$m = \frac{1-(-3)}{2-0}=\frac{4}{2} = 2$

then;

$y = 2x+b$

Substitute the point (0, -3) to solve for b:

$-3= 2(0)+b$

⇒ $-3=b$

∴ $y=f(x)=2x-3$

Similarly for g(x):

Consider two points on y = g(x) are:

(0, 6) and (2, -2)

then;

$\text{Slope(m)} = \frac{y_2-y_1}{x_2-x_1}$

then;

$m = \frac{-2-6}{2-0}=\frac{-8}{2} =-4$

then;

$y = -4x+b$

Substitute the points (0, 6) to solve for b:

$6= -4(0)+b$

⇒ $6=b$

then we get an equation:

y = g(x) = -4x+6

It is given that: If g(x) = k* f(x)

Solve for k:

$-4x+6 = k(2x-3)$

⇒ $-4x+6 = 2kx-3k$

on comparing both sides we have;

$-2kx = -4x$

⇒ $-2k = -4$

Divide both sides by -2 we have;

$k = 2$

-3k = 6

⇒k = -2

Therefore, the value of k is, -2

7 0

3 years ago

Read 2 more answers

A salad made such that the difference between twice the ounces of greens and the ounces of carrots is at least 3. Also, the sum

kap26 [50]

Answer:

3rd graph down

Step-by-step explanation:

greens are x and carrots are y in my equations

2x - y >= 3

x + 2y < 4

The first equation is solid and will highlight everything to the right of it because it is a >

the second is dashed and will highlight everything to the left of it because it is a <

the only 2 graphs that show this are 1 and 3

looking at the points you can see that the points for the solid line are both the same so ignore those and go to the dashed lined ones.

on the first graph the points are (0,4)

plugging those into our equation gives us 0 + 2*4 <4

or 8<4 which doesnt make sense making 3 the correct graph

(sorry my answer wasnt posting so i had to start over and make it less detailed, but comment if you need any explanation)

4 0

3 years ago

Read 2 more answers

Find the coordinates of the center and the measure of the radius for a circle whose equation is (x - 3)^2 + (y - 7)^2 = 2.

zloy xaker [14]

Answer:

Step-by-step explanation:

Equation for a circle of radius r, centered at (h,k):

(x-h)² + (y-k)² = r²

3 0

3 years ago

What is 899.16 divid150?

VashaNatasha [74]

The answer is 5.9944

3 0

3 years ago

Read 2 more answers