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4 years ago

Please help! Algebra 1 math Guaranteed brainliest!

Mathematics

1 answer:

Natali [406]4 years ago

3 0

6√5 - 4√7 would be your answer.
<em />I hope this helps love! :)

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In a regular deck of cards, calculate the probability that a diamond is drawn given that it is a face

Thepotemich [5.8K]

Answer: 3/52

Step-by-step explanation: There are 3 face diamonds in a deck of 52 cards making it a 3/52 chance of pulling one.

8 0

3 years ago

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6. What are the zeroes for the<br>function<br>f(x) = 2x3 + 12x – 10x2?<br>

agasfer [191]

Answer:

Step-by-step explanation:

f(x) = 2x^3 + 12x – 10x^2 can and should be rewritten in descending powers of x:

f(x) = 2x^3 – 10x^2 + 12x

This, in turn, can be factored into f(x) = x·(x² - 10x + 12).

Setting this last result = to 0 results in f(x) = x·(x² - 10x + 12).

Thus, x = 0 is one root. Two more roots come from x² - 10x + 12 = 0.

Let's "complete the square" to solve this equation.

Rewrite x² - 10x + 12 = 0 as x² - 10x + 12 = 0.

a) Identify the coefficient of the x term. It is -10.

b) take half of this result: -5

c) square this last result: (-5)² = 25.

d) Add this 25 to both sides of x² - 10x + 12 = 0:

x² - 10x + 25 + 12 = 0 + 25

e) rewrite x² - 10x + 25 as the square of a binomial:

(x - 5)² = 13

f) taking the sqrt of both sides: x - 5 = ±√13

g) write out the zeros: x = 5 + √13 and x = 5 - √13.

The three roots are x = 0, x = 5 + √13 and x = 5 - √13.

8 0

3 years ago

What’s is he equation for 25 euros if the dollars is 1.2

Alex787 [66]

Since 1 Euro is 1.2 USD, then 25 Euro is $30.
This is because 25 x 1.2 is 30.0.

7 0

4 years ago

A parallelogram is always a rectangle if?

andrew11 [14]

All corners are 90o angles.

8 0

3 years ago

A line has a slope of -2/3 and passes through the point (-3,8). What is the equation of the line?

LiRa [457]

Answer:

Step-by-step explanation:

We'll use the standard equation y=mx+b to solve this problem. m is the slope of the line and b is the y intercept.

We know the slope, but we have to solve for the y intercept. To do this (I mean solve for 'b'), we need to know the slope, x value, and y value. We know the slope (-2/3), x= -3, and y=8. Let's plug this into y=mx+b and solve for b.

$y=mx+b\\8=-\frac{2}{3}*-3 +b\\8=2+b\\b=8-2\\b=6$

Let's plug all of this back into the first equation y=mx+b.

$y=mx+b\\y=-\frac{2}{3}x+6$

That's the answer to this problem.

I hope this helps.

7 0

3 years ago

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