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alisha [4.7K]
3 years ago
11

Jeffery typed 110 words in 2 3/4 minutes. At this rate, how many words can he type in 4 1/4 minutes

Mathematics
1 answer:
Degger [83]3 years ago
6 0

change the mixed numbers to improper factions

2 3/4 = (4*2+3)/4  = 11/4

4 1/4 = (4*4+1) /4 = 17/4

110 divided by 11/4

copy dot flip

110 * 4/11 = 40 words per minute

40 word per minute * 17/4 minutes

170 words

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Dan learned the mass of an electron is about 9.1×10⁻³¹ while the mass of a proton is about 1.7×10⁻²⁷. He thinks electrons have a
Lyrx [107]

Answer:so I will try.

Step-by-step explanation:but it might take a will

4 0
2 years ago
©<br>Find the area of a circle with radius, r = 6.53m.<br>Give your answer rounded to 2 DP.​
natita [175]

Answer:

133.96 meters squared

Step-by-step explanation:

To calculate the area of a circle, simply multiply the radius squared, by pi.

A = pi x r^2

A = pi x 6.53^2

A = pi x 42.6409

A = 133.9603382

The area of the circle is approximately 133.96 meters squared.

Hope this helps! :)

7 0
3 years ago
Read 2 more answers
How to add mixed numbers
IgorLugansk [536]

Answer:

I suggest you convert them to improper fractions.  Find a common denominator and change back to mixed number.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Respond pls <br> To get some points
Ipatiy [6.2K]
<h2>Answer:</h2>

1/2

<h2>Step-by-step explanation:</h2><h3>Known :</h3>
  • The school football team has a match tomorrow
  • The probability of the team winning is 1/6
  • The probability of the team drawing is 2/6

<h3>Asked :</h3>
  • The probability of the team losing

<h3>Solution :</h3>

Probability of the team losing the match = 1 - 1/6 - 2/6

Probability of the team losing the match = 6/6 - 1/6 - 2/6

Probability of the team losing the match = 3/6

Probability of the team losing the match = 1/2

<h3>Conclusion :</h3>

The probability of the team losing the match is 1/2

7 0
2 years ago
The graph of f(x) = 2x + 3 shifts 10 units to the right when it is replaced with the graph of f(x) = 2x − k. What is the value o
Nezavi [6.7K]

Answer:

k=17

Step-by-step explanation:

Given F(x)=2x+3  shifts 10 units when it is replaced with the graph f(x)=2x-k.

The method to solve this kind of questions is find where the graph meets the x axis then add ten units to it .The obtained x coordinate is the point where the second graph meets the x axis.

Now first find where the F(x)=2x+3 meets the x axis by substituting F(x)=0.

2x+3=0

x=-\frac{3}{2}

Now add 10 to this x coordinate , we get x1=10-3/2=17/2

this is x coordinate where the second line meets the x-axis.

The second line is F(x)=2x-k.

now f(x)=0 and x=17/2

On substitution we get 0=2*17/2-k

k=17

3 0
3 years ago
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