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Vinil7 [7]
2 years ago
14

Someone please help me answer this!!!

Mathematics
1 answer:
sashaice [31]2 years ago
7 0

Answer:

4.8 km is the answer.

Step-by-step explanation:

a = ?

b = 5 km

c = 7 km

According to the Pythagorean theorem,

a² + b² = c²

a² + 5² = 7²

a² + 25 = 49

a² = 49 - 25

a² = 24

a = 4.8989

Round to the nearest tenth,

a = 4.8 km

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Which expression is equivalent to 4x + 3 - 2x + 5.
My name is Ann [436]

2x+8 is equivalent to 4x+3-2x+5

Step-by-step explanation:

4x+3-2x+5

4x+2x+3+5

2x+8

7 0
3 years ago
Read 2 more answers
Josh has been running for 6 min and completes a lap in 7 min. Gabe has been running for 2 min and completes a lap in 9 min.
Amanda [17]
So j completed 6/7 of a lap
gabe has completed 2/9 lap
so
1 j lap=7 mins s o
7j
j=num of laps
1 g lap=9 mins so
9g
g=num of laps
then 6+j
and g+2

so
when will the times be equal
7j+6=9g+2
subtract 2 from both sides
7j+4=9g
divide both sides by 9
7/9j+4/9=g
so to get a whole number of laps, we must subsitute a number when it is multiplied by 7 then add 4, we get a multiplue of 9
so if j=2
7/9(2)+4/9=g=14/9+4/9=g=18/9=g=2
so josh and gabe must run 2 lap each because
6+(2 times 7)=2+(9 times 2)
6+14=2+18
20=20
true so

the answer is 2 laps
3 0
3 years ago
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5/6(-4 1/2)(-2 1/5) what is the answer
Goshia [24]

Answer:

8.25 is the answer.

Step-by-step explanation:

Hope this helps!

8 0
2 years ago
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PLEASEEE HELP ME ON THIS QUESTION !!!!!!!!!
Lostsunrise [7]
As you notice by the table, the “y” value, f(x), is decreased in g(x). Therefore, it undergoes vertical compression.
4 0
2 years ago
? + ? =8<br>+ +<br>? - ? =6<br>= =<br>13 8
natta225 [31]
3.5 + 4.5 = 8 
+       +      
9.5  - 3.5 = 6 
=      =  
13       8

8 0
3 years ago
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