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Genrish500 [490]
2 years ago
11

If f(x)=6x^2-4 what is f(-1)

Mathematics
1 answer:
Nana76 [90]2 years ago
3 0

Answer:

2

Step-by-step explanation:

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(66 x 10) - (9.9 x 104)
Sidana [21]

66x10=660

9.9x104=1029.6

660-1029.6=-369.6

3 0
3 years ago
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10 more than 2 times a number is equal to 2 times the number plus 50. What is the number?
PSYCHO15rus [73]

Answer:

y = 40 is the answer

Step-by-step explanation:

Let the number be y

10 more than 2 times a number = 10 + 2×y

equal to 2 times the number plus 50. = 2 × y + 50

10 + 2y = 2y + 50

combine the like terms

2y - 2y =50 - 10

0 = 40

the number supposes be 40 but the number is represented by 0

i think some thing is missing in your question

y supposes be 40 not 0 = 40

Hope this helps!

3 0
3 years ago
Please help me!<br> simplify. 5-[-(-20] <br> a. -3<br> b.3<br> c.-7<br> d.7
frosja888 [35]

Im sorry i dont know

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3 years ago
A cyclist rides his bike at a rate of 21 miles per hour. What is this rate in miles per minute? How many miles will the cyclist
Citrus2011 [14]
5 days ago, hope this still helps though! 

Alright 21 miles per hour. We know that there are 60 minutes in an hour. So this is basically saying 21 miles per 60 minutes. To find the rate for miles per minute, you divide 21 by 60 which is 0.35. 

In one minute the cyclist rides 0.35 miles
In two minutes the cyclist rides 0.7 miles
5 0
3 years ago
What is the the value of (-3+3i) + (-2+3i)?
alina1380 [7]
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4 0
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