3 years ago

Which of the following questions could be used to represent the equation 4 - X= 28?

Mathematics

1 answer:

rosijanka [135]3 years ago

8 0

Answer:

$-24$

Step-by-step explanation:

$4 - -24= 28\\x=-24$

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Lisa and Krystal are planning trips to ten countries this year. They have 14 countries on their bucket list, in how many ways ca

Salsk061 [2.6K]

Answer:

1,001 ways for them to decide.

Step-by-step explanation:

The order in which they will visit the countries is not important, so we use the combinations formula to solve this question.

Combinations formula:

$C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

In this question:

10 countries from a set of 14. So

$C_{14,10} = \frac{14!}{10!(14-10)!} = 1001$

1,001 ways for them to decide.

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3 years ago

Sam has 2,450 in his bank account he spends 20 dollars each week on gas money. after how many weeks will Sam's account balance f

zubka84 [21]

I think 73 because:

First I did '1,000 + x = 2,450'
Then I got 'x = 1450'
But then 20 can't go into 1450
So I just add another 10 to 1450 an got 1460
1460/20 = 73!
Hope this helps an is correct!!!

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3 years ago

3 x f(−4)−3 x g(−2)=

lukranit [14]

Answer:

−12+6

Step-by-step explanation:

7 0

3 years ago

is there a relationship between exterior angles that lie on the same side of a transversal? interior angles that lie on the same

HACTEHA [7]

Answer:

Step-by-step explanation:

In both exterior and interior angles on the same side of the transversal, one of the angles will be acute and the other one will be obtuse making them different. Therefore, there is no relationship between them.

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2 years ago

Describe the effect f(1/4x) will have on the function f(x)

GaryK [48]

It will quarter the result. (I think so)

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4 years ago