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7nadin3 [17]
4 years ago
5

Is x2 + 2y = 4 a function?

Mathematics
2 answers:
BartSMP [9]4 years ago
5 0

Answer:

yes

Step-by-step explanation:

there are variables so it is a function

Rama09 [41]4 years ago
5 0

Answer:

Yes, x^2 + 2y = 4 is a function.

Step-by-step explanation:

x^2 + 2y = 4

Solve for y.

2y = -x^2 + 4

y = -(1/2)x^2 + 2

f(x) = -(1/2)x^2 + 2

Answer: Yes, x^2 + 2y = 4 is a function.

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sweet-ann [11.9K]

"Nine hundred seventy-five thousand, three hundred ten"
8 0
3 years ago
Convert the angle 2π/3 radians to degrees.
11111nata11111 [884]

Answer:

2π/3 radians is equal to 120°.

Step-by-step explanation:

In this problem, we need to convert the angle 2π/3 radians to degrees.

The relation radian and degree is given by :

D=\dfrac{180}{\pi}\times R

Substitute all the values,

D=\dfrac{180}{\pi}\times \dfrac{2\pi }{3}\\\\D=120^{\circ}

So, 2π/3 radians is equal to 120°.

7 0
3 years ago
Help plz 10 points its math, well darn bet you know that-
marishachu [46]

Answer:

2

Step-by-step explanation:

let x be the missing place

28/100=x/10 + 8/100

multiply through by 100

28=10x +8

28-8=10x

20/10=x

2=x

6 0
3 years ago
Read 2 more answers
Eight white balls and twenty black balls are in a bag. What is the probability of drawing a black ball in one draw?
JulijaS [17]

Answer:

The correct answer is last option

5/7

Step-by-step explanation:

It is given that, eight white balls and twenty black balls are in a bag

<u>To find the probability</u>

From the above data we get,

number of white balls = 8

Number of black balls = 20

total number of balls = 8 + 20 = 28

Probability of getting black ball = number of black ball/Total number of balls

 = 20/28 = 5/7

The correct answer is last option

5/7

8 0
3 years ago
Trent bought a bag of bird seed that contained 8 7/10 cups. It takes 2 1/2 cups to fill each bird feeder. How many bird feeders
Sergio039 [100]
<u>2 and 1/2 cups    </u>=  <u> 1 bird feeder</u>
8 and 7/10 cups     x bird feeders

x bird feeders = 1 bird feeder x 8 and 7/10 cups ÷ 2 and 1/2 cups
x bird feeders = 3.48 
x bird feeders = ~ 3 (fully)

Hope this helps!
4 0
3 years ago
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