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stepan [7]
3 years ago
15

Помагите даю оччен много баллов ​

Mathematics
1 answer:
horrorfan [7]3 years ago
6 0

Answer:

2. 4.46

3. 12

Step-by-step explanation:

2. D = \frac{P}{\pi } = \frac{14}{3.14} = 4.458 = 4.46

3.  \frac{4}{5} = \frac{x}{15}

5 * x = 4 * 15

5x = 60

x = \frac{60}{5} = 12

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Cha
attashe74 [19]

Answer:

3.1%

Step-by-step explanation:

6/196 × 100% = 3.1%

8 0
3 years ago
GE = 3x + 12 and GH = 72. Find the value of x.
Furkat [3]

Answer: x=20

Step-by-step explanation:

5 0
3 years ago
Help me please! thanksss
Fittoniya [83]
7:45 -1 hour=6:45

The concert started at 6:45


7:45+2 hours=9:45

The concert will be over at 9:45

The time outside the theater is

5:30a.m. or 5:30p.m.

It's most likely 5:30p.m. as 5:30a.m. is really early in the morning.
8 0
3 years ago
The radius of the circle whose equation is (x-3)^2 + (y+1)^2 = 16 is
Firdavs [7]

Answer:

4

Step-by-step explanation:

The general equation of a circle with center (a, b) and radius r is given by the equation;

(x-a)^{2}+(y-b)^{2}=r^{2}

The constant in the right hand side of the equation is simply the square of the radius;

We have been given the following equation;

(x-3)^2 + (y+1)^2 = 16

Comparing this with the general equation above;

r^{2}=16\\\\r=\sqrt{16}=4

4 0
3 years ago
Tom sells baseball cards at 10 for 35 cents. Is that a better deal than 12 for 40 cents?
AVprozaik [17]
For either one of the deals, just find what one card equals and times it by how many cards the other equation has.

e.g. 0.35 cents divide by 10 = 0.035. And now, you times it by 12 since the other deal is 12 cards for 40 cents.

0.035 x 12 = 0.48

So, 10 cards for 35 cents is not the better deal.
7 0
3 years ago
Read 2 more answers
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