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Vlad [161]
3 years ago
8

Find two numbers with a sum of 20 and a difference of 14.. . A. 4 and 18. . B. –3 and –17. . C. 2 and 16. . D. 3 and 18

Mathematics
2 answers:
kotegsom [21]3 years ago
6 0
From the given equation 
X+Y=20-->i
X-Y=14--->ii
add eq i and eq ii
2x=34
x=17
putting the value of x=17 in eq i
17+y=20
then y = 3 so the right answer is 
17 and 3
zmey [24]3 years ago
6 0
Hello,

A) 4+18=22  no
B) -3+(-17)=-20 no
C) 2+16=18 no
D) 3+18=21 no

If E is 3 and 17 then YES!!!!!
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A dozen eggs cost 3.84 at this rate how much would 50 eggs cost
Zina [86]

Answer:

50 eggs would cost 16$

Step-by-step explanation:

A dozen eggs is 12. So for 4 dozen eggs, you get 48. 48 eggs is 15.36$. If you divide the 3.84 to 12, you will get the individual price for each egg. The individual price for each egg is .32 cents. You need to add 2 more eggs to the 4 dozen to get 50 eggs. You times .32 to 2 and you get .64. After that you add .64 to the price of the 4 dozen eggs and you will get 16$

Simple version:

dozen eggs =12, cost 3.84$

4 dozen eggs= 48, cost 15.36$

3.84$ divided by 12 = .32 cents (price of the individual egg)

Add two of the individual eggs together and add it to 15.36$

:)

5 0
2 years ago
You roll a number cube twice. Find the probability of the event. Rolling a 1 then a 2.
kap26 [50]
P( 1)  = 1/6
P(2) = 1/6

Probability of 1 then 2  = 1/6 * 1/6  = 1/36
7 0
3 years ago
You find a deck of cards and know that the deck has too many clubs and spades in it. The deck has 59 cards.
Harrizon [31]
(13/59)(c/58)=117/1711

13c/3422=117/1711

13c=234

c=18

So there are 18 clubs instead of 13 meaning that there is an extra 5 clubs in the deck.

Since there were 59 cards, there was 7 extra cards in all.  The 7 extra minus the 5 extra clubs leaves 2 extra spaces.

So there were two extra spades in the deck.
7 0
3 years ago
Read 2 more answers
Help! I’ll mark brainlest :(
Natasha_Volkova [10]

Answer:

A) y = 4

Step-by-step explanation:

Line AB is a vertical line, so a line perpendicular to it would have to be a horizontal line (perpendicular lines make an "x" shape with one another). Horizontal lines are written as y = ___ .

The perpendicular line also has to pass through the point (2,4). Points are written as (x, y). Therefore, the y-value in (2,4) is 4.

The perpendicular line has to be y=4 since it passes through both the Line AB and the given point.

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2 years ago
Help please
marissa [1.9K]

Answer:

That does not include anyone else.

Step-by-step explanation:

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2 years ago
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