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rodikova [14]
3 years ago
11

Help please! I need help with question 3. I don’t know how to start it. I’ll give brainly☺️

Mathematics
2 answers:
krok68 [10]3 years ago
8 0

Answer:

*see below for how to solve

Step-by-step explanation:

You start with rate*time*interest (rti). You can that substitute some numbers. Rate=x Time=1 year Interest= .04 (same as 4%)

Then you can do rti=interest

1*.04*x=75

Solve from there

ikadub [295]3 years ago
6 0
First you divide $75 and 0.04. And that will get you the answer.
I already did this question last year.
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One of the acute angles in a right triangle has a measure of 36.6°. What is the measure of the other acute angle?
Solnce55 [7]
Triangles equal 180 degrees total
It’s a right triangle so one of the angles is 90 degrees and we know another angle is 36.6
So 90+36.6= 126.6
180-126.6= 53.4
So I’m assuming the correct answer is C since that’s the closet number to 53.4
5 0
3 years ago
PLEASE HELP ME!!!!!!!!<br>does anyone know how to do this I am clueless please help
vredina [299]
Maybe this will help! (:
https://youtu.be/1wPJfzStBqE
6 0
3 years ago
Iv)<br>6x+3y=6xy<br>2x + 4y= 5xy​
Margaret [11]

Answer:

Ok, we have a system of equations:

6*x + 3*y = 6*x*y

2*x + 4*y = 5*x*y

First, we want to isolate one of the variables,

As we have almost the same expression (x*y) in the right side of both equations, we can see the quotient between the two equations:

(6*x + 3*y)/(2*x + 4*y) = 6/5

now we isolate one off the variables:

6*x + 3*y = (6/5)*(2*x + 4*y) =  (12/5)*x + (24/5)*y

x*(6 - 12/5) = y*(24/5  - 3)

x = y*(24/5 - 3)/(6 - 12/5) = 0.5*y

Now we can replace it in the first equation:

6*x + 3*y = 6*x*y

6*(0.5*y) + 3*y = 6*(0.5*y)*y

3*y + 3*y = 3*y^2

3*y^2 - 6*y = 0

Now we can find the solutions of that quadratic equation as:

y = \frac{6 +- \sqrt{(-6)^2 - 4*3*0} }{2*3} = \frac{6 +- 6}{6}

So we have two solutions

y = 0

y = 2.

Suppose that we select the solution y = 0

Then, using one of the equations we can find the value of x:

2*x + 4*0 = 5*x*0

2*x = 0

x = 0

(0, 0) is a solution

if we select the other solution, y = 2.

2*x + 4*2 = 5*x*2

2*x + 8 = 10*x

8 = (10 - 2)*x = 8x

x = 1.

(1, 2) is other solution

8 0
2 years ago
Each snack at the concession stand is priced at $4.00. All of the snacks cost a total of $86.56. How many snacks will need to be
Nezavi [6.7K]

Answer:

25

Step-by-step explanation:

25*4=100 there for you need 25 snacks sold.

8 0
3 years ago
Which results only in a horizontal compression of Y = by a factor of 6?
elena55 [62]

Answer:

Y = 6*y

Step-by-step explanation:

We have Y = b * y by a factor of 6.

That is, b = 6.

now, to find what results only in a horizontal compression of y = b * y by a factor of 6.

By transformation rule, the function would be a horizontal compression f (a * x) if a> 1.

Therefore, knowing the above, the answer would be:

Y = 6 * y

3 0
2 years ago
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