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olga55 [171]
2 years ago
9

Which expression is equivalent to 7(4+7)? *

Mathematics
2 answers:
Mashcka [7]2 years ago
8 0

Answer:

28+49

Step-by-step explanation:

azamat2 years ago
3 0
28+49 is the answer to the ?
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What’s the value of x?
iogann1982 [59]

Answer:

X=8

Step-by-step explanation:

Opposite side angles on the transversal are congruent.

SO 6x-2=46

46+2=48

48/6=8

X=8

3 0
3 years ago
During two years, the population of birds of an island became 7 times more than before. If the first year increase in the popula
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The percent increase of the second year was 85.71%

Step-by-step explanation:

The exponential growth formula is y=a(1+r)^x

where;

y=population after x years

a=original population

r=growth rate as a decimal

x=number of time interval that have passed

Let starting population be p

The first year increase in the population was 40% this means;

r=0.4 , x=1 and a=p thus the equation will be

y=p(1+0.4)^1 ⇒⇒y=1.4 p

In the second year the population of birds of an island became 7 times more than before which is 7p

7p= 7*1.4p= 9.8p

Increase will be;

9.8p-1.4p=8.4

% increase will be;

8.4/9.8 *100 =85.71%

Learn More

Percent increase: brainly.com/question/13882170

Keywords : population, birds, island,increase

#LearnwithBrainly

5 0
3 years ago
A point is reflected across the x-axis. The new point is (5 -3.5) What is the distance between the two points?​
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10

Step-by-step explanation:

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3 years ago
A football field is 300 feet long. A sloth moving very quickly travels 60 feet every 5 minutes. Based on this ratio, how many mi
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25 minutes.

Explanation: if the field is 300 feet and the sloth travels 60 feet every 5 minutes, you would divide 300 feet by 60 feet to determine the distance the sloth can travel. That gives you 5, then you would multiple 5 by 5 minutes.

side note: there’s probably a simpler way to explain this
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