All categories

3 years ago

Use the functions to find x

Mathematics

1 answer:

suter [353]3 years ago

5 0

Answer:

x = 14

Step-by-step explanation:

$f(x) = 10 - \frac{9}{2} x \\ \\ plug \: f(x) = - 53 \\ \\ - 53 = 10 - \frac{9}{2} x \\ \\ \frac{9}{2} x = 10 + 53 \\ \\ \frac{9}{2} x = 63 \\ \\ x = 63 \times \frac{2}{9} \\ \\ x = 7 \times 2 \\ \\ x = 14$

You might be interested in

What is the height of the tree?

Nataly [62]

Answer:

The tree is 16 ft tall

3 0

3 years ago

Find the graph and all the characteristics (centre,vertex,covertice,length of

katen-ka-za [31]

8x²+3y²=24

8x²+3y²-24=0

Let x be 1 ,

Therefore

8+3y²-24=0

3y²-16=0

3y²=16

y²=16/3

y=4/1.7

y=40/17

Take different values of x &y and plot a graph!!!

8 0

2 years ago

How Do You Do This ? Please show work .

snow_tiger [21]

So basically you are going to line up your equations (already done). Next, you will just add each term. So x + 3x = 4x, then 2y - 2y = 0 (we wouldn't put anything) then 7 - 3 = 4
So then we have all of our terms figured out and will have 4x = 4 then divide 4x by 4 to get x alone and then you will also divide the four that is by itself by four to equal one. So, your answer is x = 1. I hope that helps!

5 0

2 years ago

Complete the equation of the line whose slope is − 7 and y-intercept is ( 0 ,13)

nevsk [136]

Answer:

y=-7x+13

Step-by-step explanation:

y=mx+b

m= your slope

b= your y intercept

4 0

2 years ago

Evaluate the diagram below. Find the measures of Angles A, B, C, and D.

laiz [17]

Answer:

A: 65° B: 65° C: 125° D: 125°

Step-by-step explanation:

It is an equilateral(shown by the two dashes) and all angles in a triangle add up to 180°.

180-50 divided by 2 to give you A and B angles.

Then angled on a straight line add up to 180° so if you take angle A away from 180° you will get the answer to angle C.

The same for angle D.

5 0

2 years ago