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Anika [276]
3 years ago
5

mula">
Thanks!
Mathematics
2 answers:
ddd [48]3 years ago
7 0

Step-by-step explanation:

Subtract

2

2

2

from both sides of the equation

5

+

2

=

2

2

5x+2=22

5x+2=22

5

+

2

−

2

=

2

2

−

2

mars1129 [50]3 years ago
5 0

Answer:

5x + 2 = 22 \\ collecting \: like \: terms \:  \\ 5x = 22 - 2 \\ 5x = 20 \\ x =  \frac{20}{5}  \\ x = 4

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Determine the difference: 3.2 × 1010 – 1.1 × 1011 Write your answer in scientific notation.
tekilochka [14]

Answer:

-7.8*10^{10}

Step-by-step explanation:

we have

3.2*10^{10} -1.1*10^{11}

we know that

3.2*10^{10}=0.32*10^{11}

substitute

0.32*10^{11} -1.1*10^{11}=-0.78*10^{11}=-7.8*10^{10}

4 0
3 years ago
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Sveta_85 [38]

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take the area of each shape and add it up

8 0
3 years ago
In 1970, a farmer using a two-row combine with a corn head could easily harvest 0.75 ha (1.85 acres) per hour and a typical corn
Anastaziya [24]

Answer:

The value is w = 6.7 \%

Step-by-step explanation:

Generally the productivity rate is mathematically represented as

P_r =  K  * Z

Here K is the ha the farmer could harvest in an hour and Z is a typical yield of corn in kg/ha

Now considering 1970

The productivity rate is

P_r =  0.75   *5000

=> P_r =  3750 \  kg/h

Now considering 1940

The productivity rate is given as P_R =  250 \ kg/h

Generally the productivity ratio is mathematically ration is mathematically represented as

w =  \frac{P_R}{P_r}  * 100

=> w =  \frac{250}{3750}  * 100

=> w = 6.7 \%

5 0
3 years ago
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dem82 [27]
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4 0
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Trava [24]
3 hours

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3 years ago
Read 2 more answers
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