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frez [133]
3 years ago
6

Which relation is a function?

Mathematics
1 answer:
Afina-wow [57]3 years ago
6 0

Answer:

First and last

Step-by-step explanation:

The first one is a parabola wich is function graph

The last one is straight line

the second isn't a function since some numbers give many values

the thirs is a cercle

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Use the slope-intercept form of the linear equation to write the equation of the line with the given slope and y-intercept.
Nesterboy [21]

Answer:

y = -5x + 8

Step-by-step explanation:

Slope intercept form is:

y = mx + b

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

Since the question gives you these values, all you need to do is plug it in. (x and y remain the same).

y = -5x + 8

I hope this helps!

4 0
3 years ago
4. If f(x) = |2x - 4 find f(-7)<br> a.-18<br> b. 18<br> d. 10
bezimeni [28]

Answer:

Answer is a

Step-by-step explanation:

4 0
3 years ago
Convert the angle 61 38’ 45” to decimal degrees, and round to the nearest hundredth of a degree
slega [8]
A suitable calculator* can do this easily.

61°38'45" = (61 +(38 +45/60)/60)° ≈ 61.65°

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I like the RealCalc app for Android, but many graphing calculators also will do this conversion. Of course, you can simply evaluate the expression as above.
6 0
3 years ago
Read 2 more answers
Given the triangle below, answer the following:
OLEGan [10]

Answer:

Step-by-step explanation:

question no . 5

ratio of angle L

take angle as reference angle

using cos rule

cos L = base / hypotenuse

= 4/5

ratio of angle N

take angle N as reference angle

using sin rule

sin N = opposite / hypotenuse

= 4/5

for measure of angle L

cos L = 4/5

cos L = 0.8

L = cos^{-1}(0.8)

L = 36.9

for meanure of angle N

sin N = 4/5

sin N = 0.8

N = sin^{-1}(0.8)

N = 53.1

7 0
3 years ago
Read 2 more answers
Helppppp PLEASEEEEE VERY ARGENTTTT​
vekshin1

Answer:

D; x -y = 22

3x + 2y = 246

Step-by-step explanation:

Let us have the bigger number as x and the smaller as y

The difference between the two is 22

Thus, we have it that;

x - y = 22

twice the smaller number; 2(y) added to thrice the larger 3(x) equals 246

3x + 2y = 246

So we have the two equations as;

x -y = 22

3x + 2y = 246

4 0
3 years ago
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