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2 years ago

Please help fast Question is below v v v v v v

Mathematics

2 answers:

zvonat [6]2 years ago

4 0

They would cost $8.75. If you take out 30% from the original price, that is how much they would be.

Lorico [155]2 years ago

4 0

Answer:

They would cost $8.75

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Solve it by substitution method:- 5x - 6y=-9 and 3x + 4y= 25

user100 [1]

$\left\{\begin{array}{ccc}-5x-6y=-9&/\cdot2\\3x+4y=25&/\cdot3\end{array}\right\\+\left\{\begin{array}{ccc}-10x-12y=-18\\9x+12y=75\end{array}\right\\------------\\.\ \ \ \ \ \ \ -x=57\\.\ \ \ \ \ \ \ \ \ x=-57\\\\3\cdot(-57)+4y=25\\-171+4y=25\\4y=25+171\\4y=196\ \ \ \ /:4\\y=49\\\\Solution:x=-57;\ y=49.$

8 0

3 years ago

For (x)=3x+1 and g(x)=x^2 -6, find (f+g)(x)

julsineya [31]

Answer:

Step-by-step explanation:

$(f+g)(x)=f(x)+g(x)\\\\f(x)=3x+1;\ g(x)=x^2-6\\\\(f+g)(x)=(3x+1)+(x^2-6)=x^2+3x+1-6=x^2+3x-5$

4 0

3 years ago

What is the angle of x?

Snowcat [4.5K]

Answer:

Step-by-step explanation:

There are 540 degrees in a pentagon so take 540-(everything there)= 67

5 0

2 years ago

A box of cookies contains 4 chocolate and 6 butter cookies. Miguel randomly selects a cookie and eats it. Then he randomly selec

laila [671]

Answer:

The probability of the flavor of the second cookie is always going to be dependent on the first one eaten.

Step-by-step explanation:

Since the number of the type of cookies left depends on the first cookie taken out.

This is better explained with an example:

Probability Miguel eats a chocolate cookie is 4/10. The probability he eats a chocolate or butter cookie after that is <u>3/9</u> and <u>6/9</u> respectively. This is because there are now only 3 chocolate cookies left and still 6 butter cookies left.
In another case, Miguel gets a butter cookie on the first try with the probability of 6/10. The cookies left are now 4 chocolate and 5 butter cookies. The probability of the next cookie being chocolate or butter is now <u>4/9</u> and <u>5/9</u> respectively.

The two scenarios give us different probabilities for the second cookie. This means that the probability of the second cookie depends on the first cookie eaten.

7 0

2 years ago

What is 11- 2 to the 3rd power

Shalnov [3]

Answer:

See below

Step-by-step explanation:

Question is unclear

could be (11-2)^3 = 9^3 = 729

could be 11 - 2^3 = 11 - 8 = 3 Pick the one you want !

8 0

1 year ago