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lbvjy [14]
3 years ago
13

Multiplicative inverse of 3/7 x 2/7

Mathematics
2 answers:
Ahat [919]3 years ago
6 0

<h3>\frac{ - 7}{3}  \times  \frac{ - 7}{2}</h3>
  • It is the multiplicative inverse of 3/7 × 2/7
marin [14]3 years ago
5 0

<em>Sorry if I didn't understand the question right-</em>

Answer:

\frac{49}{6}

Step-by-step explanation:

The inverse of \frac{3}{7} is \frac{7}{3}.

The inverse of \frac{2}{7} is \frac{7}{2}.

Now we multiply:

\frac{7}{3} × \frac{7}{2} = \frac{49}{6}

Hope this helped :)

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It rained for approximately 10.09 hours.
6 2/3 divided by 2/3 = 10.09
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3 years ago
Laney and Maka are tutors. Laney charges $10 for travel expenses plus $32 per hour of tutoring. The dollar amount Maka charges c
dezoksy [38]

Answer: Total amount earned by Laney in 4hour=$138

Total amount earned by Maka in 4hours=$134

Difference =$4

Step-by-step explanation:

Since

Maka charges can be modeled by the equation F=30h+14,

where h =number of hours that Maka tutors

F = the total amount earned. Following same model

With 14 being the charge in dollar for travel expenses.

Laney charging $10 for travel expenses plus $32 per hour of tutoring can also be represented as

F= 32h +10

Such that total amount earned by

Maka in 4hours gives

F=30h+14

F=30x4 +14

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In the same vein the total amount earned by Laney in 4hours gives

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7 0
3 years ago
Courtney walked from her house to the beach at a constant speed of 4 kilometers per hour, and then walked
RUDIKE [14]

<em><u>The system of equations that represents this situation are:</u></em>

q + p = 2

4q + 5p = 8

<em><u>Solution:</u></em>

Let  q be the number of hours it took Courtney to walk from her house to the beach

Let p be the number of hours it took her to walk from the beach to the park

<em><u>The entire walk took 2 hours</u></em>

Therefore,

q + p = 2 ------- eqn 1

<em><u>The  total distance Courtney walked was 8 kilometers</u></em>

Total distance = 8 km

Courtney walked from her house to the beach at a constant speed of 4 kilometers per hour

Then walked  from the beach to the park at a constant speed of 5 kilometers per hour

<em><u>Distance is given as:</u></em>

distance = speed \times time

<em><u>From her house to the beach:</u></em>

distance = 4 \times q = 4q

<em><u>From the beach to the park:</u></em>

distance = 5 \times p = 5p

We know that,

Total distance = 8 km

Therefore,

4q + 5p = 8 ------ eqn 2

<em><u>Thus the system of equations that represents this situation are:</u></em>

q + p = 2

4q + 5p = 8

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4 years ago
Susan makes ribbon bows for a local pet store. She purchased 25 yards of ribbons and used 15 7/8 yards to make a dozen bows. How
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Answer:

9 1/8 ribbon would be remaining

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