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KengaRu [80]
4 years ago
6

Forty increased by 4 times a numberis 8 less than 6 times the number. find the number

Mathematics
1 answer:
Paha777 [63]4 years ago
5 0

Answer:

x = -48.

Step-by-step explanation:

40 + 4x = 3x - 8

4x - 3x = - 8 - 40

x = -48.

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What are the X and Y intercepts of y= -2(x-4)2 +3
kari74 [83]

Answer: x-intercepts are ( 2.775,0) and (5.225,0)

And y-intercept is (0,-29)

Step-by-step explanation:

Here the given equation is,

y = -2(x-4)^2+3

For x-intercept, y = 0,

Put y = 0 in the above equation of parabola,

We get, -2(x-4)^2 + 3 = 0

-2(x^2+16+8x) + 3 = 0

-2x^2-32-16x + 3 = 0

-2x^2-16x -29 = 0

By solving this equation,

We get, x = 2.775 or x = 5.225

Therefore, x-intercept of the given parabola are (2.775, 0) and (5.225,0)

Now, for y-intercept, x = 0

By putting x = 0 in the given equation of parabola,

We get, y = -29

Thus, y-intercept of the given parabola = (0,-29)



4 0
4 years ago
Select the expression that could be used to determine if 96 is a factor of 8.
Svet_ta [14]

Answer:

C.

Step-by-step explanation:

To find out if it is a factor divide 96 by 8 and you will see. Hope this helped you!!

8 0
3 years ago
Read 2 more answers
Choose the ratio that you would use to convert 366 minutes to hours.
sattari [20]

Answer:

1:60

Every hour is 60 minutes

The answer is 6.1 hours

Step-by-step explanation:

6 0
3 years ago
Coconuts were on sale, 5 for $4.45. Pineapples were on sale, 4 for $3.40. Which of the following is true?
melomori [17]

Answer: D

Step-by-step explanation: If you do 4/4.45 you get a number approximate to 89 cents. Answers A and B you can cross of because coconuts are 5 cents more than pineapples

3 0
3 years ago
Read 2 more answers
What is 5(4x+12)+3x+2
yulyashka [42]

Answer:

23 x + 62

Step-by-step explanation:

Simplify the following:

5 (4 x + 12) + 3 x + 2

5 (4 x + 12) = 20 x + 60:

20 x + 60 + 3 x + 2

Grouping like terms, 60 + 20 x + 3 x + 2 = (20 x + 3 x) + (60 + 2):

(20 x + 3 x) + (60 + 2)

20 x + 3 x = 23 x:

23 x + (60 + 2)

60 + 2 = 62:

Answer:  23 x + 62

5 0
3 years ago
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