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3 years ago

The sum of two numbers is 100, the difference between the two numbers is 26. What is the number that is less?

2 answers:

8 0

Let the numbers be x and y

x + y = 100
-
x - y = 26
________
0x + 2y = 74

2y = 74

y = 74/2 = 37

y is actually the less number = 37. The second equation tells y is lesser.

OLEGan [10]3 years ago

4 0

37 because 63+37=100 and 63-37=26

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A blue die and a red die are thrown. B is the event that the blue comes up with a 6. E is the event that both dice come up even.

iVinArrow [24]

Answer:

Size of |E n B| = 2

Size of |B| = 1

Step-by-step explanation:

I'll assume both die are 6 sides

Given

Blue die and Red Die

Required

Sizes of sets

- $|E\ n\ B|$

- $|B|$

The question stated the following;

B = Event that blue die comes up with 6

E = Event that both dice come even

So first; we'll list out the sample space of both events

$B = \{6\}$

$E = \{2,4,6\}$

Calculating the size of |E n B|

$|E n B| = \{2,4,6\}\ n\ \{6\}$

$|E n B| = \{2,4,6\}$

The size = 3 because it contains 3 possible outcomes

Calculating the size of |B|

$B = \{6\}$

The size = 1 because it contains 1 possible outcome

8 0

2 years ago

A quantity is growing at a constant 3% yearly rate.what would be it's percent growth after 15 years?

scZoUnD [109]

45% is the answer, since u have to multiply the 3% by 15

7 0

3 years ago

Read 2 more answers

Need help :) pleaseeeeeee :(

gayaneshka [121]

Answer: $x\geq 88$

This means that he has to save at least $88 or more to have enough money.

Step-by-step explanation:

He has $37 and he needs to save more (+) but we don't know how much more that is, so that's why that is our unknown value. (x). The sum of them has to be at least 125 or greater.

$37+x\geq 125$