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Neko [114]
3 years ago
12

A construction worker has a rope that is 6 m long. She needs to cut it into pieces that are each 3/7 m long. How many such piece

s can she cut without having any rope​ leftover?
Mathematics
1 answer:
Phoenix [80]3 years ago
8 0

Answer:

14 pieces

Step-by-step explanation:

We will divide 6 m into 3/7 m pieces

6 ÷ 3/7

Use copy dot flip

6 * 7/3 =

42/3

14

She will have 14 pieces

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Given vectors A (2,-1,5), B (4,3,-2) & C (5,4,0), find:?
MrRissso [65]
A) 4a - 3b + 2c

4(2, -1, 5) - 3(4, 3 , -2) + 2(5, 4, 0) = (8, -4, 20) - (12, 9, - 6) + (10, 8, 0) =

= (8 - 12 + 10 , -4 - 9 + 8 , 20 + 6 + 0) = (6, - 5, 26)

Answer: (6, - 5, 26)

b) magnitude of vector b

\sqrt{4^2+3^2+(-2)^2} = \sqrt{16+9+4} = \sqrt{29} ~ 5.4

c) vector of length 7 parallel to vector c

=> m(5,4,0) = (5m,4m,0)

=>    \sqrt{(5m)^2+(4m)^2+0}= \sqrt{25m^2+16m^2}= \sqrt{41m^2}=m \sqrt{41}=7

=> m = 7 / √41 ≈ 1.093

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Answer: (5.465 , 4.372 , 0)
7 0
3 years ago
In preperation for halloween emily has made up a bag of her favorite candy. For every 4 tootsie rolls there are 7 smarties. She
Georgia [21]

Answer:

105

Step-by-step explanation:

60/4= 15

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5 0
2 years ago
Which ordered pair is a solution of the equation y=-9x+4
dmitriy555 [2]
I'm gonna gonna go with C
8 0
3 years ago
Read 2 more answers
2 Proofs. Don't forget to mark the
noname [10]

Answer:

Statement #1. JK is congruent to LK, JM is congruent to LM

Reason #1. Given

Statement #2. KM=KM

Reason #2. Reflexive property of equality

Statement #3. Triangle KMJ is congruent to triangle KML

Reason #3. Side, Side, Side triangle congruency theorem.

Statement #4. <J is congruent to <L

Reason #4. Corresponding angles of congruent triangles are congruent.

Step-by-step explanation:

8 0
3 years ago
C= 0.6n yes no what is the answer i can't not figure it out
castortr0y [4]
C=0.6n is a straight line so it is proportional.
5 0
3 years ago
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