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2 years ago

2x=3y-1

1 answer:

7 0

If you put both equations in standard form, you see they are the same equation.
2x -3y = -1
The "system" will have an infinite number of solutions.

_____
You must subtract 3y from the first equation to get it to standard form.
You must factor 3 from the second equation to get it to standard form.

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What is the solution to this inequality?

Aleks04 [339]

Answer:

x>-2

Step-by-step explanation:

-9x-15<3

•Move the constant to the right

9x<3+15

•calculate

-9x<18

•Divide both sides

3 0

2 years ago

Please help I only have 2 more trys.

andrezito [222]

Answer:

Question 1: -2xy + 7x

Question 2: 8t - 4v and -4v + 8t

Question 3: -e + 10k and 10k -e

Question 4: x = -3

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2 years ago

PLEASE HELP I MIGHT FAIL MATH. For a charity event, raffle tickets are printed such that they have a vowel (excluding y) as the

Radda [10]

Answer:

Step-by-step explanation:

Remark

You better be issuing a very small number of tickets.

Tickets vowels: a e i o u

Primes < 10: 2 3 5 7

Probability(e and 5) = 1/5 * 1/4 = 1/20

Answer: 1/20

Answer:0.05

You should probabily give 0.05 as your answer.

8 0

2 years ago

X(x-y) - y( x- y) simplify

Rudik [331]

Step-by-step explanation:

x²-xy-xy+y²

x²+2xy+y²

hope it helps

3 0

2 years ago

X is a normally Distributed random variable with a standard deviation of 4.00. Find the mean of X when 64.8% of the area lies to

Cerrena [4.2K]

Answer:

Step-by-step explanation:

σ = 4 ; μ =?

8.52 to the left of X

P(X < 8.52) = 64.8%

P(X < 8.52) = 0.648

Using the Z relation :

(x - μ) / σ

P(Z < (8.52 - μ) / 4)) = 0.648

The Z value of 0.648 of the lower tail is equal to 0.38 (Z probability calculator)

Z = 8.52 - μ / 4

0.38 = 8.52 - μ / 4

0.38 * 4 = 8.52 - μ

1.52 = 8.52 - μ

μ = 8.52 - 1.52

μ = 7

5 0

2 years ago