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algol13
3 years ago
7

Find the value of x.

Mathematics
1 answer:
AnnyKZ [126]3 years ago
7 0

hello i know its wrong but lol. i tried to help.

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HELP ME THIS MY LAST QUESTION PLEASE!!!!!!!!!!!!!!!!!!!!!!!
krok68 [10]

Answer: c

Step-by-step explanation:

7 0
3 years ago
During the financial crisis of 2008, the price of a barrel of Brent crude oil fell from a high of $140 per barrel to around $50
andriy [413]

Answer: 35.7%

Step-by-step explanation:

140$ / 100% = 1.4$ per 1%

Next 50$ / 1.4% = 35.71

Round 35.71 to closest tenth so it would be 35.7

3 0
3 years ago
The equation of a circle is (x + 4)2 + (y + 6)2 = 16. Determine the length of the radius.
Viefleur [7K]

Answer:

see explanation

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x + 4)² + (y + 6)² = 16 is in this form

with r² = 16 ⇒ r = \sqrt{16} = 4

---------------------------------------------------------------

given (h, k) = (5, 2) and r = 20, then

(x - 5)² + (y - 2)² = 400 ← represents the delivery area


5 0
3 years ago
At a school, 177 students play a sport. This is 60% of the students that go to the school. How many students are at the school?
TEA [102]

Answer:

the answer is 205

Step-by-step explanation:

%/100 X is/of  177 IS 60% of the students. so you put 60/100 and multiply 177/X  177X100=17700. Now divide that by 60 and you come up with 28.33.  This obviously is not the answer so you add 28 (does not round up to 29) to 177 and you get 205.

7 0
3 years ago
F) The marked price of a radio is 25 % above the selling price and the cost pr
Ostrovityanka [42]

Answer:

See explanation below.

Step-by-step explanation:

Let's say, x represents the sale price of radio.

Then the marked price of the radio is 1.25x

The cost price of the radio is (1.25x)(0.70)

The discount is simply 25% because the radio is being sold at 25% less then the marked price.

The gain percent is given as:

\frac{x-1.25x\times \:0.70}{x}\times 100\\\\=12.5\%

The radio is being sold at 12.5% gain.

Best Regards!

8 0
4 years ago
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