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KiRa [710]
2 years ago
14

A robot and complete 8 tasks in 3/4

Mathematics
1 answer:
White raven [17]2 years ago
5 0

Answer:

5/6hour=5/6×60=300/6=50

8tasks in 50minutes

1task=50/8=61/4minutes

A)robot completes task in 61/4minutes

B)#tasks per hour

#of tasks×time tasks to do task<or=60

no×6.25=60

6-25n=60

n=60/6.25=96

A robot can complete a tasks in one hour

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3 Find y if the slope between ( – 7, y) and (1, 13) is 3/4​
mafiozo [28]

Step-by-step explanation:

slope \:  =  \frac{y2  - y1}{x2 - x1}  =  \frac{3}{4}

point 1 ( -7,y)

point 2 (1,13)

\frac{13 - y1}{1 - ( - 7)}  =  \frac{3}{4}

\frac{13 - y1}{8}  =  \frac{3}{4}

13 - y2 =  \frac{8 \times 3}{4}  = 6

y2 = 13 - 6 = 7

y = 7

3 0
2 years ago
What is the answer for <br><br> 2ab(xa^9+ya^3-6)
trapecia [35]

The answer for 2ab(xa^9+ya^3-6) is 2a^10bx + 2a^4by-6ab.

What is the mathematical expansion?

A mathematical expansion can be described as the finite combination of symbols which can be seen as one having rules which is usually based on the context that is been used.

The solution for the question is 2a^10bx + 2a^4by-6ab

Therefore, the expansion  of 2ab(xa^9+ya^3-6) is 2a^10bx + 2a^4by-6ab.

Learn more about expansion at:

brainly.com/question/723406

8 0
2 years ago
James is 8 years old. Last year, his father was 4 times as old as he was. In how many years' time will their combined age be 51?
Snowcat [4.5K]

Last year He was 7 years old.

His father is 4 times the age 7 x 4 = 28

Last year his dad was 28, so this year he is 29.

Combined age this year = 29 + 8 = 37

51 - 37 = 14 years

14/ 2 people = 7 years

8 + 7 = 15

29 + 7 = 36

15 + 36 = 51

It will take 7 years.

7 0
3 years ago
Justin and michelle are playing a card game. In the first round, caitlin scored 100 points and justin scored 75 points. In each
Arada [10]

Answer:

Step-by-step explanation: first you have to add up the point that each scored altogether and Caitlin scored 300 and Justin scored 250

5 0
2 years ago
Read 2 more answers
Solve the equation m²+4m=-2
UNO [17]
Step 1: Subtract -2 from both sides.<span><span><span><span>
m2</span>+<span>4m</span></span>−<span>(<span>−2</span>)</span></span>=<span><span>−2</span>−<span>(<span>−2</span>)</span></span></span><span><span><span><span>
m2</span>+<span>4m</span></span>+2</span>=0</span>
Step 2: Use quadratic formula with a=1, b=4, c=2.<span>
m=<span><span><span>−b</span>±<span>√<span><span>b2</span>−<span><span>4a</span>c</span></span></span></span><span>2a</span></span></span><span>
m=<span><span><span>−<span>(4)</span></span>±<span>√<span><span><span>(4)</span>2</span>−<span><span>4<span>(1)</span></span><span>(2)</span></span></span></span></span><span>2<span>(1)</span></span></span></span><span>
m=<span><span><span>−4</span>±<span>√8</span></span>2</span></span><span><span>
m=<span><span>−2</span>+<span><span><span>√2</span><span> or </span></span>m</span></span></span>=<span><span>−2</span>−<span>√2</span></span></span><span>
</span>
4 0
3 years ago
Read 2 more answers
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