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marshall27 [118]
3 years ago
13

Estimate 6 1/4 x 7/8

Mathematics
2 answers:
grandymaker [24]3 years ago
5 0

5 15/32 is the answer

Licemer1 [7]3 years ago
3 0

6 1/4 × 7/8 = 175/32 or 5 15/32


6 1/4 = 25/4


25/4 × 7/8 = 175/ 32 = 5 15/32

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3 years ago
What is 16,500rounded to the nearest ten thousand
harina [27]
Well just think, what is the ten thousands place? 1 right by 6. From this to round you look at the previous number 6, anything 5 or above will be rounded up making the 1 into a 2, anything lower than a 5 will become rounded down making the 1 stay the same, but instead making it into 10,000
So the answer would be 20,000
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There is a population of 15,500 bacteria in a colony. If the number of bacteria doubles every 234 hours, what will
saveliy_v [14]

Answer:

2,48,000

Step-by-step explanation:

  • Initial population of bacteria = 15,500

  • Bacteria doubles after every 234 hours

  • So, after 0 (zero) hours, no of bacteria = 15,500

  • After 234 hours, no. of bacteria = 2(15,500) = 31,000

  • After 468 hours, no. of bacteria = 2(31,000) = 62,000 (2*234 = 468)

  • After 702 hours, no. of bacteria = 2(62,000) = 124,000 (3*234 = 702)

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3 0
2 years ago
To help solve the trigonometric inequality sec
lukranit [14]

Answer:

Y=-1

Step-by-step explanation:

Well i pulled up to ann old amigos house scowering out for some drugs when i stumbled upon this math question. I used my smarts I learned while hopping walls to get my freedome to give you the answer that you have now obtained. Your welcome - Senior Altuvai

7 0
2 years ago
Write the equation for the parabola that has x− intercepts (−2,0) and (4,0) and y− intercept (0,4).
seropon [69]

Answer:

y = -\frac{1}{2}(x^2-2x-8)

Simplified it is y=-\frac{1}{2}x^2+x+4

Step-by-step explanation:

The x-intercepts of a parabola form the factors of the equation. Since the x -intercepts are (-2,0) and (4,0) then the factors are (x+2) and (x-4). Factors are pieces which multiply to make the equation.

y=(x+2)(x-4)\\y=x^2+2x-4x-8\\y=x^2-2x-8

This is the standard form of the parabola ax^2+bx+c. Since the y-intercept of the parabola is (0,4) then a number must also be multiplied to it

y=a(x^2-2x-8)

We find a by plugging in x=0 and y=4.

4=a(0^2-2(0)-8)\\4=a(0-0-8)\\4=a(-8)\\\frac{4}{-8} = a\\\frac{-1}{2} = a

So the equation is y = -\frac{1}{2}(x^2-2x-8).

When simplified it is y=-\frac{1}{2}x^2+x+4


3 0
3 years ago
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