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rjkz [21]
3 years ago
7

the mississippi river is about 23/25 the length of the missouri river. the missouri river is 2540 miles long, how long is the mi

ssissippi river?
Mathematics
2 answers:
Igoryamba3 years ago
7 0
To get the answer, you divide 2540 by 25, which gets you 101.6. Then, you would multiply 101.6 by 23 to get your answer, which is 2336.8.
alukav5142 [94]3 years ago
6 0
It flows for 2336.8 miles
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Answer:

5) x = 1, y = -3

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7) infinite solutions

8) no solutions

Step-by-step explanation:

5)

y = 5x - 8

y = -6x + 3

5x - 8 = -6x + 3

11x = 11

x = 1

y = 5 - 8

y = -3

6)

2x + 10y = -20

-x + 4y = 28

2x = -20 - 10y

x = - 10 - 5y

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x = -28 + 4y

-10 - 5y  = -28 + 4y

-10 + 28 = 4y + 5y

18 = 9y

2 = y

2x + 20 = -20

2x = -40

x = -20

7)

this has infinite solutions because one equation is a simplified version of the other

8)

this has no solutions because 5 does not equal -5

9)

I can't graph on brainly, hope this helped though

3 0
2 years ago
In triangle abc angle a +angle b =90 then sin a =
Ivan

Answer:

sin(a)=cos(b)

Step-by-step explanation:

we know that

In the triangle abc

if m\angle a+m\angle b=90^o

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m\angle c=90^o

Because, the sum of the interior angles in a triangle must be equal to 180 degrees

therefore

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see the attached figure to better understand the problem

The sine of angle a is equal to divide the opposite side to angle a by the hypotenuse

so

sin(a)=\frac{x}{z}

The cosine of angle b is equal to divide the adjacent side to angle b by the hypotenuse

so

cos(b)=\frac{x}{z}

therefore

sin(a)=cos(b)

When two angles are complementary, the sine of one angle is equal to the cosine of the other angle and the cosine of one angle is equal to the sine of the other angle

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8 0
3 years ago
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Answer:

Median

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The median is the middle number. This answer fits best with the question asked.

The mode is the number that occurs the most. This number doesn't really have a correlation to the middle of this data.

The range is just how many numbers the data spans across. It has no relation to the middle of the data.

6 0
2 years ago
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Vika [28.1K]

Answer:

Because of traffic, she averaged only 15 miles per hour on the way there but ... If the total travel time was 2 hours how long does it take her to drive to ...

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3 years ago
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irinina [24]

Answer:

True

Step-by-step explanation:

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This is the correct answer

3 0
3 years ago
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