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DiKsa [7]
3 years ago
13

H - 16 ≤ - 24

Mathematics
1 answer:
just olya [345]3 years ago
7 0

This are the answers to your questions

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In a class of 27 students, 15 are female and 7 have an A in the class. There are 9
sveticcg [70]

Answer:

4/27

Female:15/27 female with an A:4/15

Male:12/27 male with an A:3/12

Answer=15/27 ×4/15

3 0
2 years ago
Read 2 more answers
2 congruent triangles solve for x and y
pishuonlain [190]

Answer:

3x+y=43

Step-by-step explanation:

because

ML~=SR

43=43

8 0
3 years ago
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What's 21/50 in simplest form
andreev551 [17]
21/50 

21/50 is in its most simple form because it cannot be broken down any further. 

Answer: 21/50
5 0
3 years ago
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A motorboat travels 244 kilometers in 4 hours going upstream and 749 kilometers in 7 hours going downstream. What is the rate of
Kryger [21]

Answer:

Speed of Motorboat = 84 kmph

Speed of Current = 23 kmph

Step-by-step explanation:

Distance Equation is:

D = RT

Where

D is distance

R is rate

T is time

Downstream rate is rate of boat PLUS current

Upstream rate is rate of boat MINUS current

Let rate of boat be "x" and rate of current be "c".

From first statement, we can write:

244 = (x - c)(4)

From second statement, we can write:

749 = (x + c)(7)

The first equation becomes:

244 = 4x - 4c

The second equation becomes:

749 = 7x + 7c

Multiplying first equation by 7 , we have:

7 * [244 = 4x - 4c] = 1708 = 28x - 28c

Multiplying 2nd equation by 4, we have:

4 * [749 = 7x + 7c] = 2996 = 28x + 28c

Now we add up these equations (in bold):

1708 = 28x - 28c

2996 = 28x + 28c

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

4704 = 56x

x = 4704/56

x = 84

Now using this value and plugging in original equation, we can find "c":

244 = 4x - 4c

244 = 4(84) - 4c

244 = 336 - 4c

4c = 92

c = 92/4

c = 23

<u>Speed of Motorboat = 84 kmph</u>

<u>Speed of Current = 23 kmph</u>

6 0
3 years ago
Line parallel to the y-axis that passes through the point (77,88)
Step2247 [10]

Answer:

A line which is parallel to the y-axis has form of x = a

This line passes (77, 88), then a = 77

=> The equation of this line: x = 77

Hope this helps!

:)

5 0
3 years ago
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