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lisov135 [29]
2 years ago
12

Is (-1, 2) a solution to this system of inequalities? 2x + 18y < 7 and 2x - 4y < 12

Mathematics
1 answer:
Reil [10]2 years ago
8 0
Yes

Plug in points


Mark brainliest please
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Find the circumference of this figure. Show your calculations.
solong [7]

Answer:

Circumference of circle= 37.68 units

Circumference of sector= 6.28 units

Step-by-step explanation:

The given figure is a circle with given radius OB= 6 units.

The circumference of a circle is the total length of its boundary.

For the complete circle its circumference can be calculated by;

           Circumference= 2\pi r

                                 =2*3.14*6\\=37.68 units

For the circumference of the Sector with 60° in the figure, the circumference can be calculate by:

                              =\frac{60}{360}* 2*\pi*6\\\\=\frac{1}{6}*12*3.14\\\\ =2*3.14\\\\=6.28 units

So, the circumference of the full circle is 37.68 units and the circumference of the sector is 6.28 units.

5 0
3 years ago
Raina ran for president of the chess club, and she received 76 votes. There were 80 members in the club. What percentage of the
lesantik [10]

Answer:

vr = 95%

Step-by-step explanation:

We have a total of 80 members of a club that represents 100%, now we want to know what percentage represent the 76 members who voted for raina  (vr)

vr=\frac{76v}{80vr}*100%= 95%% = 95%

5 0
3 years ago
PLZ HELP IM IN DESPERATE NEED OF AN ANSWER!!!
Irina18 [472]
I believe 4(x - 3)=32 could help I haven’t done an equation from the unit in months so hopefully that looks familiar to you.
5 0
2 years ago
The stack on the left is made up of 15 pennies, and the stack on the right is also made up of 15 pennies. If the volume of the s
Murljashka [212]

Answer:

the answer is 52,734,375

8 0
3 years ago
Read 2 more answers
Anyone know the answer please teach me
Semenov [28]

Answer: Look at step by step

Step-by-step explanation:

(a) There are 119 stocks that increased in price out of 246 stocks so the probability of selecting a stock that is increased in price is 119/246 = 48.37%

(b) There are 112 stocks where it pays dividends so the probability so the probability of selecting a stock that pays dividends is 112/246 = 45.53%

(c) There are 49 stocks which satisfy the question so the probability is 49/246 = 19.92%

(e) There are 34 stocks which increase in price and pay dividends out of the 119 stocks that increase in price so the probability is 34/119 = 28.57%

(f) Using the same logic as (e), the probability is 85/134 = 63.43%

(g) From the requirements, we see that 49 stocks don't satisfy the requirements, so the probability is (246-49)/246 = 80.08%

7 0
1 year ago
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