3 years ago

X+2y=19 and x+y=13 in substitution methood

Mathematics

1 answer:

densk [106]3 years ago

3 0

X=7, y=6. that’s your answer!

You might be interested in

You flip a nickel five times in a row. What’s the probability that

klio [65]

1/32 or just over 3% chance.

5 0

3 years ago

PLEASE HELP ME ILL MARK BRAINLIEST !!!!! spam reported

Amiraneli [1.4K]

Answer:

a) 294

b) 10

Step-by-step explanation:

42minutes*7gallongs= 294 gallons in 42 minutes

30fish/3days = 10 fish per day.

7 0

2 years ago

You have a standard deck of cards. The deck has 52 total cards and contains 4 suits: hearts, clubs, diamonds, and spades. Each s

Readme [11.4K]

Answer:

1) ¼

2) yes

Step-by-step explanation:

1) P(A) = 13/52 = 1/4

P(B) = 4/52 = 1/13

P(A^B) = 1/52

P(A|B) = (1/52) ÷ (1/13) = 1/4

Since P(A|B) = P(A), they are independent

5 0

3 years ago

How do you solve z= - 2/3a, for a

gogolik [260]

Z = -2/3a
divide by -2/3 on both sides
a = z divided by -2/3
a = -3/2z

6 0

4 years ago

Read 2 more answers

PLEASE HELP WILL GIVE BRAINLY!!!!!!!

WITCHER [35]

Answer:

q = -5 $\sqrt{5}$

q = 5 $\sqrt{5}$

Step-by-step explanation:

Since there is no constant value. This must be a special case.

So,

(q+5 $\sqrt{5}$ )(q-5 $\sqrt{5}$ )

q = -5 $\sqrt{5}$

q = 5 $\sqrt{5}$

8 0

3 years ago

Read 2 more answers

X+2y=19 and x+y=13 in substitution methood​

X+2y=19 and x+y=13 in substitution methood