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lorasvet [3.4K]
3 years ago
14

The following relation is a function. (-9,2)(5,-1).(-9,-7).(-7,2) True or false

Mathematics
1 answer:
guajiro [1.7K]3 years ago
5 0

Answer:

False

Step-by-step explanation:

Does not pass the Vertical Line test, fails form (-9,2) and (-9,-7) they both fall on the same vertical line of x= -9

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Someone help. Urgent! I need someone to answer this! Factor -5b – 5c!
tatyana61 [14]

Answer:

the answer you are looking for is-10

Step-by-step explanation:

6 0
2 years ago
Hirva ate 5-.8 of a medium pizza.elizabeth ate 1-.4.how much pizza did they eat together
Marianna [84]
Im assuming by 5-.8, you mean 5/8ths and by 1-.4, you mean 1/4th...

x=5/8+1/4

x=5/8+2/8
x=7/8

They ate 7/8 together
6 0
3 years ago
Mrs. Olga’s $250 investment earns 19% interest compounded annually. What will her balance be after 3 years?
Maurinko [17]

Answer:

The answer is A. $421.29

Step-by-step explanation:

Just keep finding 19% of the numbers next, and you add that all up and you get the answer.

250 x 19%=47.5. (250+47.5)=> 297.5x19%= 56.525. (297.5+56.525) =>354.025x19%=67.26475

354.025+67.26475=> 421.28975, which can round up to 421.29.

6 0
3 years ago
Read 2 more answers
Wyatt invests $1200 into an account that earns 6.2% simple interest for 4 years. He does not make any other deposits or withdraw
iVinArrow [24]

Answer:

297.60 & 1497.60

Step-by-step explanation:

I had the question before and got it right

4 0
2 years ago
Read 2 more answers
Can someone do this fast ? I need it for tomorrow
gregori [183]

Answer:

Step-by-step explanation:

hg(x) means you multiply h(x) times g(x) and then we will set it equal to 3x^2+x-1.

hg(x) = x^2(x+2) which simplifies to

x^3+2x^2. Now set that equal to 3x^2+x-1:

x^3+2x^2=3x^2+x-1 and get everything on the same side and factor:

x^3-x^2-x+1=0. Factor by grouping:

(x^3-x^2)-(x+1)=0 and factor out what's common in each set of ( ):

x^2(x-1)-1(x-1)=0 which factors out to

(x^2-1)(x-1)=0. But x^2-1 factors somoe to:

(x + 1)(x - 1)(x - 1) = 0 So the solutions for this are

x = -1, 1

7 0
2 years ago
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