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Rama09 [41]
3 years ago
7

Find the exact value of x

Mathematics
2 answers:
Galina-37 [17]3 years ago
5 0

Answer:

8.94 (Rounded would be 9)

Step-by-step explanation:

By using the Pythagorean Theorem formula,

A^2+B^2 = C^2

You have the hypotenuse (c)  = 12

and you have a leg (a) = 8

and you're trying to find another leg (b) = x

In order to find this, you'll have to change up the formula in order to find (B) instead of (C)

B^2 = C^2 - A^2

(B) = (12)^2 - (8)^2

(B) = 144 - 64

(B) = 80

Square root of 80

B = 8.9

nikitadnepr [17]3 years ago
4 0
Answer: 8.94 (pretty sure)
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Let f(x) = 2x - 1 and g(x) = x2 + 5.<br> Find (fog)0).
Andru [333]

Answer:

3x^2 - x^2 - 5

Step-by-step explanation:

since f(x) = 2x - 1 and g(x) = x^2 + 5

((2x - 1)(x^2+5)) multiply

3x^2 - x^2 - 5

3 0
3 years ago
The figure is made up of a square and a rectangle. Find the area of the shaded region.
sladkih [1.3K]

first we do

square is length 6 so base =6

10-6=4

the rectangle is 2 by 4

base=4

square is 6 by 6

rectangle is 4 by 2

split the triangles up

area of triangle=1/2base times height

rectangle triangle base=4

height=2, area=1/2 times 2 times 4=4

square triangle

flip 90 degrees clockwise so we have base=2

height=6

area=1/2 times 2 times 6=6

add

4+6=10

total area=10m^2

6 0
3 years ago
Read 2 more answers
How do you solve this help plz??#5
AysviL [449]

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6 0
3 years ago
Someone deleted my last post for no reason, so I'm reposting the question
svetoff [14.1K]

Answer:

x=1

y=-3

(1,-3)

Step-by-step explanation:

3x+2y=-3

3x-y=6        then y=3x-6

substitute for y

3x+2(3x-6)=-3

3x+6x-12=-3

reduce

9x=9

x=1

substitute for x

y=3(1)-6

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6 0
3 years ago
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Olenka [21]
Step 3 is incorrect , bradan should have cube rooted both sides instead of dividing it by 3
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4 years ago
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