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2 years ago

I need to simplify x2+2x+1

Mathematics

2 answers:

iris [78.8K]2 years ago

5 0

Answer:

(x+1) (x+1)

Step-by-step explanation:

Wewaii [24]2 years ago

3 0

Answer:

There are no like terms.

Its still x2+2x+1

Step-by-step explanation:

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Juan scored 15 points more on this test than

maw [93]

Juan's least integer scores in both tests will be 85 and 100 respectively.

Test average of his two scores is atleast 92

Let :

Score on test 1 = b
Score on test 2 = b + 15

Average score can be related thus:

(Sum of score ÷ number of test) ≥ 92
(b + b + 15) ÷ 2 ≥ 92
(2b + 15) ÷ 2 = 92
2b + 15 = 184
2b = 184 - 15
2b = 169
b = 169 ÷ 2
b = 84.5

Therefore, since both scores are integers, his least scores on both tests will be ::

85 and (85 + 15) = 100

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8 0

2 years ago

Find the value of x for the right triangle. trigonometric

damaskus [11]

Here's the solution,

The given triangle is a right angled triangle,

So, by Using Trigonometry :

=》

$\sin(30) = \dfrac{x}{13}$

=》

$\dfrac{1}{2} = \dfrac{x}{13}$

=》

$x = \dfrac{13}{2}$

=》

$x = 6.5$

hence, value of x = 6.5 units

8 0

2 years ago

In equilateral ΔABC, AD, BE, and CF are medians. If FO = 4, then AE = A) 4 B) 4 3 C) 8 D) 12

vampirchik [111]

Firstly, we need to draw triangle

we know that

O is a centroid

and centroid divides median into 2:1

so,

$\frac{CO}{FO} =\frac{2}{1}$

we have FO=4

so, we can plug it

$\frac{CO}{4} =\frac{2}{1}$

$CO=8$

now, we can find CF

CF=OC+FO

CF=8+4

CF=12

now, we can see triangle ACF is a right angled triangle

so, we can use pythagoras theorem

$x^2=(\frac{x}{2} )^2+12^2$

now, we can solve for x

$\frac{3x^2}{4}=144$

$x^2=192$

$x=8\sqrt{3}$

Since, it is equilateral triangle

so,

$AC=x=8\sqrt{3}$

we know that

E is a mid-point

so,

$AE=\frac{AC}{2}$

now, we can plug values

$AE=\frac{8\sqrt{3}}{2}$

$AE=4\sqrt{3}$ ................Answer

5 0

2 years ago

Read 2 more answers

It would take john 6 hours to paint a room by himself. It would take Tom 18 hours to paint the same room by himself. Of john and

mario62 [17]

Answer:

12 hrs

Step-by-step explanation:

6+18 =24

24/2 = 12

6 0

3 years ago

Read 2 more answers

1)How much do you need to subtract from 35/6 to make 5?

nikdorinn [45]

Answer:

1) 5/6

2) 7/10

3) 3 1/8

4) 3 2/7

5) 1 8/9

Step-by-step explanation:

8 0

2 years ago

I need to simplify x2+2x+1​

I need to simplify x2+2x+1