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Ne4ueva [31]
2 years ago
10

Please help on one and two

Mathematics
1 answer:
mario62 [17]2 years ago
3 0

Step-by-step explanation:

1.) 3(a-b) - (x+y)

2.) (a+b) - c^2

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X2+4x+3 solve for x.
mario62 [17]

Answer:

(x+1)(x+3)

Step-by-step explanation:

Let's factor x^2+4x+3

x^2+4x+3

The middle number is 4 and the last number is 3.

Factoring means we want something like

(x+_)(x+_)

Which numbers go in the blanks?

We need two numbers that...

Add together to get 4

Multiply together to get 3

Can you think of the two numbers?

Try 1 and 3:

1+3 = 4

1*3 = 3

Fill in the blanks in

(x+_)(x+_)

with 1 and 3 to get...

(x+1)(x+3)

4 0
3 years ago
A veggie wrap at Dylan's Diner is composed of 3 different vegetables and 3 different condiments wrapped up in a tortilla. If the
rosijanka [135]

Answer:

5C1 (9C3) (5C3)

And replacing we got:

\frac{5!}{1! 4!} (\frac{9!}{3! (9-3)!}) (\frac{5!}{3! (5-3)!}) = 5*84*10=4200

So then we have a total of 4200 possibilities in order to have a veggle wrap

Step-by-step explanation:

For this case we can use the combinatory formula given by:

nCx= \frac{n!}{x! (n-x)!}

And for this case we have a total of 9 vegatables and 5 condiments and 5 types of tortilla. Then the total number of possibilities are:

5C1 (9C3) (5C3)

And replacing we got:

\frac{5!}{1! 4!} (\frac{9!}{3! (9-3)!}) (\frac{5!}{3! (5-3)!}) = 5*84*10=4200

So then we have a total of 4200 possibilities in order to have a veggle wrap

8 0
3 years ago
Write $2.161616 as a fraction and mixed number
Alona [7]
Fraction is 2.161616/1000000
mixed number is 2 161616/1000000
4 0
3 years ago
How do you find the height of a cylinder if the volume is <br>12,000cm cubed?​
Talja [164]

Answer:

divide 12,000 by the radius of the cylinders face

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the equation of the line.<br> Use exact numbers
klasskru [66]

Answer:

y=-\frac{1}{3} x+5

Step-by-step explanation:

This question is asking for slope-intercept form which is y=mx+b, where m is the slope and b is the y-intercept. First, find the slope; this can be done in two ways, counting change in y and x then dividing, or using the formula \frac{y_{2}-y_{1}  }{x_{2}-x_{1}  }. Either way for this graph the slope comes out as -1/3. Next, find the y-intercept, this is where the line intersects with the y-axis. In this case, the line touches the axis at 5, therefore 5 is the value of b.

7 0
3 years ago
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