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azamat
2 years ago
14

One Monday in December, it was -8ºC in Harbin, China and −2ºC in Beijing, China.

Mathematics
1 answer:
guapka [62]2 years ago
3 0

Based on the temperature in the various cities, we can calculate that it was <u>13° C warmer</u> in Shanghai than in Harbin.

Temperature in Shanghai was:

<em>= Temperature in Beijing + Difference in temperatures </em>

= -2 + 7

= 5°C

Temperature difference between Shanghai and Harbin is therefore:

= 5 - (-8)

= 5 + 8

= 13°C

In conclusion, it was 13°C warmer.

Find out more about temperature differences at brainly.com/question/26039737.

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What is the gcf of 45 and 9?​
olganol [36]

Answer:

9

Step-by-step explanation:

The factors of 9 are: 1, 3, 9

The factors of 45 are: 1, 3, 5, 9, 15, 45

Then the greatest common factor is 9.

4 0
3 years ago
A truck has a total of b pounds of fruit in n identical boxes. How many
inysia [295]
The answer would be about
4 0
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Please help: A box contains 5 yellow balls, 3 blue, and 1 red ball. Two balls are drawn at random. Find the probability that:
Y_Kistochka [10]

Answer:

a) 0.2778

b) 0.3611

c) 0.1389

d) 0.0833

Step-by-step explanation:

We have a total of 5 + 3 + 1 = 9 balls

a) First ball being yellow: we have 5 yellow balls, so P1 = 5/9

Second ball being yellow after one yellow was drawn: we have 4 yellows and 8 balls, so P2 = 4/8 = 1/2

Both yellows: P = P1 * P2 = 5/18 = 0.2778

b) Both blues:

P1 = 3/9 = 1/3

P2 = 2/8 = 1/4

P = P1 * P2 = 1/12 = 0.0833

Both yellows or both blues: 5/18 + 1/12 = 0.2778 + 0.0833 = 0.3611

c) First yellow: P1 = 5/9

Second red: P2 = 1/8

Pa = P1 * P2 = 5/72

or

First red: P3 = 1/9

Second yellow: P4 = 5/8

Pb = P3 * P4 = 5/72

P = Pa + Pb = 10/72 = 5/36 = 0.1389

d) First blue: P1 = 3/9 = 1/3

Second red: P2 = 1/8

Pa = P1 * P2 = 1/24

or

First red: P3 = 1/9

Second blue: P4 = 3/8

Pb = P3 * P4 = 1/24

P = Pa + Pb = 2/24 = 1/12 = 0.0833

8 0
3 years ago
What is the area of the octagon?
Anna007 [38]

Answer:

A=2(1+2)a2

Step-by-step explanation:

8 0
3 years ago
One hamburger and one coke cost $3.20. Three hamburgers and one coke cost $8.00. Find the cost of one hamburger.
Varvara68 [4.7K]

Answer:

$0.80

Step-by-step explanation:

-3 (1x + 1y = 3.2)

3x + 1y = 8

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

-3x - 3y = -9.6

+

3x + 1 y = 8

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

0x -2y = -1.6

÷ -2

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

y = 0.8

one hamburger costs $0.80

5 0
3 years ago
Read 2 more answers
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