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mihalych1998 [28]
2 years ago
6

PLEASEEEEEEEEEEEEEE HELP

Mathematics
1 answer:
Rina8888 [55]2 years ago
3 0

Answer:

I think it's 90,6$

Step-by-step explanation:

(10/100)×906

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Consider the inequality-5(x+7)<-10 write an inequality representing the solution for x
GrogVix [38]

Answer:

<h2>x > -5</h2>

Step-by-step explanation:

-5(x + 7) < -10            <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

(-5)(x) + (-5)(7) < -10

-5x - 35 < -10         <em>add 35 to both sides</em>

-5x < 25         <em>change the signs</em>

5x > - 25       <em>divide both sides by 5</em>

x > -5

6 0
3 years ago
∫ (3x²-2)/x³ dx<br><br> help
pychu [463]
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and
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2
+
1
⇒
d
u
=
2
x
d
x
. Then
1
2
∫
(
x
2
+
1
)
−
1
x
2
+
1
2
x
d
x
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1
2
∫
u
−
1
u
d
u
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1
2
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(
1
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d
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(
u
−
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|
u
|
)
+
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−
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2
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1
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2
+
C
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x
2
2
−
ln
(
x
2
+
1
)
2
+
1
2
+
C
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2
−
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(
x
2
+
1
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Final answer
4 0
3 years ago
I really dont get this please help just A, B, and C
alexandr402 [8]
The pic is kinda blurry so I can’t read it
4 0
3 years ago
My friend needed help with this and I found the height through the theorem but can't figure out how to get the base of the overa
Aleksandr-060686 [28]

You found CD from the Pythagorean theorem to be ...

... CD = √(5² -2²) = √21

Since triangle ADC ~ triangle ACB, the ratios of corresponding sides are the same:

... AC/AD = AB/AC

... AB = AC²/AD

... AB = 5²/2 = 12.5 . . . . . . . the base of the overall triangle

_____

Then the area (A) is ...

... A = (1/2)bh

... A = (1/2)(12.5)(√21) ≈ 28.64 square units

_____

As you see here, the altitude of a right triangle divides it into three similar triangles. From smallest to largest, they are ...

... ADC ~ CDB ~ ACB

You can figure this using AAA similarity, since the smallest and largest triangles listed above share an acute angle vertex (∠A). That, together with the right angle, means all angles are congruent. After that, then you know ∠ACD ≅ ∠CBD, so you can show the middle sized triangle is similar to the other two.

6 0
2 years ago
Which numbers are irrational​
shusha [124]

Answer:

Pi

Step-by-step explanation:

8 0
3 years ago
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