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Bumek [7]
3 years ago
13

Carl solved 20 math problems in 55 minutes how many math problems will carl solve in 75mins

Mathematics
2 answers:
Furkat [3]3 years ago
7 0
206.25
.....................
-BARSIC- [3]3 years ago
5 0
You need to find out how many problems Carl can do in a minute (unit rate), which is 20/55 or .36363636363. If you multiply it by 75 mins, you get 27.27, so the answer would be 27. 
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HELP QUICK! worth extra points
Vikentia [17]

Answer: <em>3w+4b</em>

Step-by-step explanation:

<em>Take your given equation</em>

<em>w+w+w+b+b+b+b</em>

<em>There are 3 w's and 4 b's</em>

<em>Combine like terms</em>

<em>w+w+w=</em><em>3w</em>

<em>b+b+b+b=</em><em>4b</em>

<em>3w+4b</em>

3 0
3 years ago
Read 2 more answers
Find the explicit formula for the given sequence 1/4, 3/4, 5/4, 7/4​
Harlamova29_29 [7]

Step-by-step explanation:

d=(3/4)-(1/4)=(5/4)-(3/4)=(7/4)-(5/4)=1/2

then it is an arithmetic sequence

by using this equation :

a(n) = a1 +(n-1)d

and we have : a1=(1/4),  d=(1/2)

So:

Explicit formula: a(n) = (1/4) +(n-1)*(1/2)

<em>hope this helps </em>

<em />

8 0
3 years ago
Read 2 more answers
NEED THE ANSWER PLEASE...
sesenic [268]

<u>Answer:</u>

The correct answer option is D. \frac { 3 n ^ { 3 } } { 5 m ^ { 2 } }.

<u>Step-by-step explanation:</u>

We are given the following expression and we are to simplify it:

\frac { 3 m ^ { - 2 } } { 5 n ^ { - 3 } }

Here the variables m and n are having negative powers. So to change these powers from negative to positive, we will take their reciprocals to get:

\frac { 3 n ^ { 3 } } { 5 m ^ { 2 } }

7 0
3 years ago
Read 2 more answers
Uche is a cartographer. He picks a scale to fit a map of India onto a page of an atlas. The page is 121212 by 121212 inches, wit
julsineya [31]

The scale ratio of a point A to another point B is the division of the length of B by the length of A. The best equation that models the situation is: 10.5k= 3214

The page dimension is:

Length = 12

Width = 12

The length and the width of Uche's book are equal; this means the pages of Uche's book have the shape of a square

The margin of 0.75 on either sided means the usable dimension is:

Length = 12 - 2 * 0.75 =10.5

The dimension of India is:

Length = 3214

Width =2933

The longest side in India's dimension is:

Longest = 3214

From Uche's book, the longest dimension is:

Longest = 10.5

So, the scale equation is:

k * longest length of Uche's book = longest side of India

This gives:

k * 10.5 =3214

10.5k =3214

Read more about scale ratio at:

brainly.com/question/16192120

3 0
2 years ago
If M is the midpoint of AB, A(-3, 4) and M(-1, 2) find the coordinates<br> of B.
trapecia [35]

Answer:

B(1,0)

Step-by-step explanation:

The midpoint of (a,b) and (c,d) is ((a+c)/2,(c+d)/2)

Essentially, you just average the x and y values.

So, the average of -3 and b_x is -1.

The average of 4 and b_y is 2.

So x=1 and y=0

3 0
2 years ago
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