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Semmy [17]
3 years ago
6

Simplify (5x2 + 3x + 4) + (5x2 + 5x − 1).

Mathematics
1 answer:
Vlad1618 [11]3 years ago
3 0

Answer:

<em>=10x^2+8x+3</em>

Step-by-step explanation:

Lets simplify step by step.

=5x^2+3x+4+5x^2+5x+-1

Combine like Terms.

=5x^2+3x+4=5x^2+5x=-1

=(5x^2+5x^2)+(3x+5x)+(4+-1)

=10x^2+8x+3

<u><em>=10x^2+8x=3</em></u>

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What is the length of XY
arsen [322]

Answer:

6

Step-by-step explanation:

We know that MY is the same length as XM according to definition of segment bisector. We can create an equation:

5x + 8 = 9x + 12

Minus 8 on both sides

5x = 9x + 4

-4 = 4x

x = -1

Now substitute both sides of the equation with -1 instead of x

-5 + 8 = -9x + 12

3 = 3

XY = MY + XM

XY = 3 + 3 = 6

Hope this helps :)

Have an awesome day!

4 0
2 years ago
You want to buy new pair of Air Jordans but you don’t have the money for them you borrow 130 from your sister to buy the shoes t
Firlakuza [10]

You do not have enough money to pay your sister back and the amount left is $29

<h3>A. Do you have enough money to pay your sister back? </h3>

The given parameters are:

Amount borrowed = $130

Earnings = $12 per hour for 4 hours

Earnings = $12 per hour for 6 hours

Tip = $5

The total earnings is

Total = 12 * 4 + 12 * 4 + 5

Evaluate

Total = $101

101 is less than 130

Hence, you do not have enough money to pay your sister back

<h3>How much money left</h3>

The amount left is calculated as:

Amount left = $130 - $101

Evaluate

Amount left = $29

Hence, the amount left is $29

Read more about equations at:

brainly.com/question/2972832

#SPJ1

7 0
2 years ago
Line segment XY is tangent to circle Z at point U. If the measure of is 84°, what is the measure of ? 42° 84° 96° 168°
Andreas93 [3]

Answer:

The measure of angle YUV is equal to m

Step-by-step explanation:

see the attached figure to better understand the problem

we have that

arc\ UV=84\° -----> given problem

so

m ------> by central angle

we know that

The triangle UZV is an isosceles triangle

because

ZU=ZV=radius

so

m -----> bases angle of the isosceles triangle

Remember that

The sum of the internal angles of a triangle is equal to 180\°

so

m

2m

substitute and solve for m<ZUV

2m

m

m ------> by complementary angles

solve for m<YUZ

48\°+m

m

7 0
3 years ago
Read 2 more answers
I need the answer to C.
igor_vitrenko [27]

Answer:

The answer to c is an arc

4 0
3 years ago
Read 2 more answers
Which of the following could be an interior angle measure of a regular polygon a.45 b.72 c.150 d.173
melisa1 [442]

Answer: C

Step-by-step explanation:

6 0
3 years ago
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