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lana [24]
3 years ago
13

(10x + бу + 5) Over 2

Mathematics
2 answers:
Vaselesa [24]3 years ago
7 0

Answer:

5x+3y+5/2(5 over 2)

Step-by-step explanation:

Divide 10 by 2

divide 6 by 2

divide 5 by 2 and you stay at 5/2

valina [46]3 years ago
4 0

Answer: 5x+3y+2.5

Step-by-step explanation: 10x+6y+5/2

10/2=5

6/2=3

5/2=2.5      

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The temperature is -2. If the temperature rises by 15, what is the new temperature?
dolphi86 [110]

Answer:

13

Step-by-step explanation:

-2+15=13 Degrees

5 0
3 years ago
Heyyyy help please please please
Viefleur [7K]

Answer:

% Decrease = 19.2 ;     19.2%  

Step-by-step explanation:

% Decrease = (Original Price - New price)/ Original price ×  100

% Decrease = (78 - 63)/78 × 100

 % Decrease = 15/78 × 100

% Decrease = 19.23

8 0
2 years ago
The figure on the left represents a scale drawing of the figure on the right. What is the scale?
docker41 [41]

Answer:

\frac{1}{90}

Step-by-step explanation:

Before calculating the scale we require the dimensions to be in the same units.

Using the conversion

1 yard = 3 ft and

1 foot = 12 inches, then

5 yards = 5 × 3 × 12 = 180 inches

The scale is then

2 in : 180 in ← divide both quantities by 2

= 1 : 90

= \frac{1}{90}

4 0
4 years ago
use the pythagorean theorem to find the missing side length. 2 write sin, cosine, tangent of each angel.​
Harlamova29_29 [7]

Answer:

1) x=5\sqrt{3}

2) sin(a)=5\sqrt{3}/14

sin(b)=11/14

cos(a)=11/14

cos(b)=5\sqrt{3}/14

tan(a)=5\sqrt{3}/11

tan(b)=11/5\sqrt{3}

Step-by-step explanation:

 The Pythagorean Theorem is:

a^{2}=b^{2}+c^{2}

Where a is the hypotenuse and b and c are the legs.

The missing side lenght is one of the legs, then you must solve for one of them. Therefore, this is:

x=\sqrt{(14yd)^{2}-(11yd)^{2}}=5\sqrt{3}yd

MEASURE OF ANGLE:

Keep the identities on mind:

sin\alpha=opposite/hypotenuse

cos\alpha=adjacent/hypotenuse

tan\alpha=opposite/adjacent

Susbstitute values, then:

sin(a)=5\sqrt{3}/14

sin(b)=11/14

cos(a)=11/14

cos(b)=5\sqrt{3}/14

tan(a)=5\sqrt{3}/11

tan(b)=11/5\sqrt{3}

4 0
4 years ago
Read 2 more answers
According to a study in a medical journal, 202 of a sample of 5,990 middle-aged men had developed diabetes. It also found that m
tekilochka [14]

Answer:

0.0588 = 5.88% probability that a middle-aged man with diabetes is very active

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

P(B|A) = \frac{P(A \cap B)}{P(A)}

In which

P(B|A) is the probability of event B happening, given that A happened.

P(A \cap B) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Has diabetes.

Event B: Is very active.

Probability of having diabetes:

To find this probability, we take in consideration that:

It also found that men who were very active (burning about 3,500 calories daily) were a fourth as likely to develop diabetes compared with men who were sedentary. Assume that one-fifth of all middle-aged men are very active, and the rest are classified as sedentary.

So the probability of developing diabetes is:

x of 4/5 = x of 0.8(not active)

x/4 = 0.25x of 1/5 = 0.2(very active). So

P(A) = 0.8x + 0.25*0.2x = 0.85x

Probability of developing diabetes while being very active:

0.25x of 0.2. So

P(A \cap B) = 0.25x*0.2 = 0.05x

What is the probability that a middle-aged man with diabetes is very active?

P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.05x}{0.85x} = \frac{0.05}{0.85} = 0.0588

0.0588 = 5.88% probability that a middle-aged man with diabetes is very active

4 0
3 years ago
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