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pshichka [43]
3 years ago
11

WILL GIVE BRAINLIST PLS HELP Find x. Round your answer to the nearest tenth.

Mathematics
1 answer:
Llana [10]3 years ago
6 0

Answer:

9. x=13.5

10. x=11.5

Step-by-step explanation:

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What the answer to this
Viktor [21]
Answer: B) f(x)= 1/5 |x|
Used graphic calculator
8 0
3 years ago
Please help me I can't do this answer
Tomtit [17]

Answer:

Its option number 2 perhaps, sorry if im wrong

Step-by-step explanation:

6 0
3 years ago
Determine all intervals on which f(x) > 0.
8_murik_8 [283]

Answer: [-7, -4]u[0, 3]

4 0
3 years ago
What is the area of Shaded part?
svetlana [45]

Answer:

1π

Step-by-step explanation:

suppose the radius of semicircle P is r,

then the radius of semicircle Q = (r+d)/2  ... d≤r

radius of semicircle R = (r-d)/2

area P = 1/2 (r)²π

area Q = 1/2 ((r+d)/2)² π = 1/8 (r² + 2rd + d²)π

area R = 1/2 ((r-d)/2)² π = 1/8 (r² - 2rd + d²)π

shaded area = P-Q-R = 1/2 r²π - 1/4 (r² + d²)π

                                   = ((r² - d²)/4) * π

because there is no constant r value in the question and d value changes with the r change, when the vertical segment length equal the semicircle P radius (r), r=2 and d = 0

therefore the shaded area = ((2² -0²)/4)*π = 1π

8 0
3 years ago
What is the final amount of 777 is decreased by 12% followed by a 4% increase? Give your answer rounded to 2dp.
julia-pushkina [17]

Answer:

711.11

Step-by-step explanation:

<h3>Method 1 </h3>

If 777  is decreased by 12%. the number would now be (100% - 12%) 88% of what it was originally

0.88 x 777 = 683.76

683.76 is increased by 4%.  683.76 would now be (100 + 4%) 104% of what it originally was

683.76 x 1.04 = 711.11

<h3>Method 2 </h3>

12% x 777 =

0.12 x 777 = 93.24

777 - 93.24 = 683.76

4% x 683.76 = 27.3504

683.76 + 27.3504 = 711.11

5 0
3 years ago
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