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bekas [8.4K]
1 year ago
8

Help me please with this question)

Mathematics
1 answer:
kkurt [141]1 year ago
3 0

Answer:

6am

hope that helped

Step-by-step explanation:

easy

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NEED ANSWER ASAP:
andriy [413]

Answer:

14/27 feet

Step-by-step explanation:

2 1/3 feet : 4 1/2 feet

= 7/3 : 9/2

= 7/3 ÷ 9/2

= 7/3 × 2/9

= (7*2)/(3*9)

= 14/27 feet

2 1/3 feet : 4 1/2 feet = 14/27 feet

8 0
3 years ago
3.<br>Work out<br>(a)<br>(__)-(3)​
Nadya [2.5K]
If you calculate the problem correctly you should end up with:
(A)-(3)
Which equals:
= -3
Hope this helps... have a good day!
5 0
3 years ago
Suppose there are 4,000 bacteria in a sample. The population of the bacteria doubles exponentially every hour how many hours wil
aleksley [76]
After 4 hours there will be 64 000

3 - 32k
2-16
1-8

do you need exactly 50 000?
6 0
3 years ago
What is the discriminant of the quadratic equation 0 = –x2 4x – 2?
lyudmila [28]
The answer is down the page under ANSWER. here is a quick explanation first.

okay, i assume your equation is actually like this:

minus x squared plus 4 x minus

note: the proper way to type this electronically is: -x^2 + 4x - 2.



The equation you gave is known as a quadratic equation.

if you think about it, the generic (general) way of writing this quadratic equation is:

ax^2 + bx + c


a, b and c are just numbers

eg.

2x^2 + 7x + 4

looking at the general equation above

a is 2
b is 7
c is 4

you can put negatives in as well, to find out a, b and c

eg

-2x^2 - 6x - 12


so, what is a b and c?

a is -2 (must say its negative)
b is - 6 (must say negative)
c is - 12 ( again, remember its a negative number)

ANSWER

IF YOU JUST WANT THE ANSWER.

THE DISCRIMINANT IS:

4 squared minus (4 times -1 times -2)
this is 16 - 8
solution of discriminant is 8


explanation:

so, now we cleared that up.
in any quadratic equation ( like the equation you gave), the discriminant is (in general)


b2 - 4ac

use this to solve it for any quadratic equation for the discriminant
3 0
3 years ago
Read 2 more answers
WLD Incorporated, a national data-collection agency, estimates that % of all customers at home warehouse stores (in the United S
Mila [183]

Answer: Our required probability is 0.62=62%.

Step-by-step explanation:

Since we have given that

Let A be the event that all customers at home warehouse stores own their own home.

Let B be the event that all customers at home warehouse have lived at their current address for less than 5 years.

P(A) = 54% = 0.54

P(B) = 34% = 0.34

P(A∪B) = 26% = 0.26

We need to find the probability that a randomly selected home warehouse customer owns her own home or has lived at her current address for less than five years.

So, P(A∪B) is given by

P(A\cup B)=P(A)+P(B)-P(A\cap B)\\\\P(A\cup B)=0.54+0.34-0.26\\\\P(A\cup B)=0.88-0.26\\\\P(A\cup B)=0.62

Hence, our required probability is 0.62=62%.

5 0
3 years ago
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