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2 years ago

MULTIPLE CHOICE Which ordered pair is a solution of the linear system

Mathematics

1 answer:

Katen [24]2 years ago

8 0

Answer:

A. (-2, 0)

I hope this helps you.

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Find the product and write the answer as a trinomial in standard form (x+2y) (3x-5y)

kodGreya [7K]

Answer:

3x^2 + xy - 10y^2

Step-by-step explanation:

1. Use the FOIL method

3x ^2 − 5xy + 6yx − 10y ^2

2. Collect like terms

3x ^2 + (−5xy + 6xy) − 10y^2

3. Simplify

3x ^2 + xy − 10y^2

8 0

4 years ago

the odds in favor of frank mckinnis winning a hot dog eating contest are 2:9the odds in favor of frank mckinnis winning a hot do

Ivahew [28]

Answer:

Consider the complete question is,

'The odds in favor of frank McKinney winning a hot dog eating contest are 2:9,

Determine the probability that Frank will win the contest,

Determine the probability that Frank will not win the contest'

Solution :

We know that,

Odds in favor : the ratio of the number of ways that an outcome can occur compared to how many ways it cannot occur.

We have,

$\frac{\text{Number of ways of winning the contest}}{\text{Number of ways of not wining the contest}}=\frac{2}{9}$

So, total outcomes = 2 + 9 = 11,

$\text{Probability}=\frac{\text{Favourable outcomes}}{\text{Total outcomes}}$

Thus, the probability that Frank will win the contest = $\frac{2}{11}$

And,

The probability that Frank will win the contest = $\frac{9}{11}$

5 0

4 years ago

Read 2 more answers

30 Points I NEED HELP ASAP MATH PROBLEM 7th Grade

shutvik [7]

Answer:

-45 =x

Step-by-step explanation:

1/5(4x-2.5) = 5(.4x+10) +3 1/2

Change all to decimal form

.2(4x-2.5) = 5(.4x+10) +3.5

Distribute

.8x - .5 = 2x +50 + 3.5

Combine like terms

.8x - .5 = 2x +53.5

Subtract .8x from each side

.8x-.8x - .5 = 2x-.8x +53.5

-.5 = 1.2x +53.5

Subtract 53.5 from each side

-.5 -53.5 = 1.2x +53.5-53.5

-54 = 1.2x

Divide each side by 1.2

-54/1.2 = 1.2x /1.2

-45 =x

7 0

3 years ago

Mary Lou has 2 more nickels than pennies, and she has 30 coins all together. Use x for the number of pennies.

qwelly [4]

She has 20 pennies and two nickels

6 0

3 years ago

Find the solution for x and y

aev [14]

$\{-7x-2y=14 \ \ /\cdot3\\\{6x+6y=18\\\\\{-21x-6y=42\\+\{6x+6y=18\\---------\\\\-15x=60 \ \ /:(-15)\\\\\huge\boxed{x=-4}\\\\6\cdot(-4)+6y=18\\\\-24+6y=18 \ \ /+24\\\\6y=42 \ \ /:6\\\\\huge\boxed{y=7}$

8 0

3 years ago

Read 2 more answers