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Ber [7]
3 years ago
7

Please please answer my question please answer my question

Mathematics
2 answers:
Luda [366]3 years ago
4 0

Answer:

A. Convex heptagon Is the correct answer

Step-by-step explanation:

Please mark brainliest!

BlackZzzverrR [31]3 years ago
4 0
A: convex heptagon because it has 7 straight sides
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valina [46]

To solve this problem, let us first assign variables. Let us say that:

A = runner

B = cyclist

d = distance

v = velocity

time = t

 

The time in which the cyclist overtakes the runner is the time wherein the distance of the two is the same, that is:

dA = dB

 

We know that the formula for calculating distance is:

d = v t

therefore,

vA tA = vB tB

 

Further, we know that tA = tB + 2, therefore:

vA (tB + 2) = vB tB

4 (tB + 2) = 14 tB

4 tB + 8 = 14 tB

10 tB = 8

tB = 0.8 hours = 48 min

 

Therefore the cyclist overtakes the runner after 0.8 hours or 48 minutes.

8 0
3 years ago
3x-6y=9<br> x=2y+3<br><br> SOMEONE HELP ME SOLVE THIS STEP BY STEP TY
RideAnS [48]

Answer:

0=0

infinitely many solutions

Step-by-step explanation:

plug x=2y+3 as x into 3x-6y=9...so

3(2y+3)-6y=9, which has our x=2y+3 plugged in because that is what x equals

if you solve its

6y+9-6y=9

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y=0

making it 0=0

you can't go further from this

6 0
3 years ago
Evaluate the expression for k = 2. –9 + 7k =
zhannawk [14.2K]

Answer:

k = 7/6

Step-by-step explanation:

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2 years ago
Write the expression in words 35-(14 + 17)
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Describe the location of point (−5, −5, 5) in three-dimensional coordinate space.
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http://technology.cpm.org/general/3dgraph/

From the attached picture you can see that the point has moved back 5 units, to the left 5 units, and up 5 units.


7 0
3 years ago
Read 2 more answers
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