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Brrunno [24]
2 years ago
7

What is the value of x in the equation 3x-4y=65 when y=4

Mathematics
2 answers:
vredina [299]2 years ago
3 0
I believe x is equal to 23
Illusion [34]2 years ago
3 0
I think its 23 for this equation
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express the equation a)20 less than a number b)half a number is another number.There sum is 30 c)2/3 if weight of a boy is 32kg
Ivan
A) n-20
b.)30=1/2n+1/2
c.)2/3n=30
d.)5n=90
e.)M•3+4=49
3 0
3 years ago
Fill in the rest of the table.
Vinvika [58]

9514 1404 393

Answer:

top-down

  f(g(x)) = 1, 4, 5, 3, 2

  g(f(x)) = 5, 2, 4, 1, 3

Step-by-step explanation:

To find f(g(x)), locate g(x) in the third column (labeled g(x)). Use that value as x in the first column, then read f(x) from the second column.

Example: f(g(1)) = f(2) = 1

__

To find g(f(x)), locate f(x) in the second column (labeled f(x)). Use that value as x in the first column, and read the corresponding g(x) from the third column.

Example: g(f(1)) = g(2) = 5

6 0
3 years ago
What’s the area of the figure below?
TEA [102]

Answer:

482.5 ft^2.

Step-by-step explanation:

The figure can be regarded as a rectangle with a triangle cut out of one corner.

The base of the triangle = 25-20 = 5 in and the height = 20 - 13 = 7 in.

The required area = area of rectangle - area of triangle

= 25*20 - 1/2 * 5 * 7

= 500 - 17.5

= 482.5 ft^2

5 0
3 years ago
Read 2 more answers
A parabola is represented by the equation y2 = 5x. which equation represents the directrix?
ivann1987 [24]

The value of the directrix is -5/4.

According to the statement

we have given that the equation of parabola is y2 = 5x. And we have to find that the which equation represents the directrix.

We know that the general equation of parabola is

(y - k)2 = 4a(x - h)  -(1)

and given parabola equation is

y2 = 5x.  -(2)

After comparing the both equations we get k=0 and h=0

And the formula to find the directrix is

x = h - a

Substitute the values of h and a in it then

x = 0-5/4

x = -5/4.

Here the directrix is -5/4.

So, The value of the directrix is -5/4.

Learn more about the Parabola here brainly.com/question/4061870

#SPJ4

7 0
1 year ago
Given h ( x ) = − 3 x + 2 , solve for x when h ( x ) = − 4.
Helga [31]

Answer:

2 is the answers for the question

Step-by-step explanation:

please mark me as brainlest

8 0
2 years ago
Read 2 more answers
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