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BabaBlast [244]
2 years ago
9

How to know when it’s a function

Mathematics
2 answers:
mote1985 [20]2 years ago
6 0

What is the equation you are solving?

Elanso [62]2 years ago
5 0

Answer:

Step-by-step explanation:

When x-value has only one y-value corresponding to it.

A y-value can have multiple x-values, but not vice-versa.

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Find the value of the length a x rounded to 1 DP. The diagram is not drawn accurately
son4ous [18]

Answer:

x ≈ 3.7 m

Step-by-step explanation:

Use the right triangle on the left to find the height h , using the sine ratio

sin39° = \frac{opposite}{hypotenuse} = \frac{h}{7} ( multiply both sides by 7 )

7 × sin39° = h , then

h = 4.4

Using the tangent ration on the right side right triangle, then

tan50° = \frac{opposite}{adjacent} = \frac{h}{x} = \frac{4.4}{x} ( multiply both sides by x )

x × tan50° = 4.4 ( divide both sides by tan50° )

x = \frac{4.4}{tan50} ≈ 3.7 m ( to 1 dec. place )

8 0
3 years ago
The sum of two numbers is 32. The larger is 3 less than 6 times the smaller. What is the larger number?
Mama L [17]

Answer:

23

Step-by-step explanation:

32=3x-4+x

32=4x-4

+4       +4

36=4x

/4   /4

9=x

Larger #= 3x-4

Larger #= 3(9)-4

Larger #= 27-4

larger #= 23

5 0
3 years ago
Tammy wrote ordered pairs (x, y) using the pattern below.
REY [17]

Answer:

A:(15,18)

Step-by-step explanation:

Hopefully this helps!

7 0
3 years ago
Solve R=M + B, for B.
musickatia [10]

Answer:

B = R - M

Step-by-step explanation:

1. R = M + B       Subtract M

2.  R - M = B

8 0
4 years ago
Which function does NOT have a range of all real numbers?
lesya692 [45]

Answer:

D

Step-by-step explanation:

D is the correct answer

3 0
3 years ago
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