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andreyandreev [35.5K]

2 years ago

8

Roger can type 1530 words in 1/2 hour. How many words can he type per minute? PLS HELP ME

1 answer:

Lera25 [3.4K]2 years ago

6 0

Answer:

25.5

Step-by-step explanation:

1530 divided by 60 is 25.5 and 25.5 multiplied by 60 is 1530.

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Use substitution to solve the sy<br> 2x+3y = 19<br> x = 2y-1<br> Solve for x and y

svp [43]

Answer: Y=3, X=5

Step-by-step explanation:

2(2y-1) + 3y=19

4y-2+ 3y=19

7y=21

Y=3

Plug in y in the second equals

X=2(3) -1

X=6-1

X=5

Hope this helps!

8 0

3 years ago

2) 83,97,85,84,96, 80,80,87,91<br> Mean median and mode

marusya05 [52]

$\text {Hi! Let's Solve this Problem!}$

$\text {Before you find the Mean, Medina and Mode you must put the numbers in order.}$

$\text {Before: 83, 97, 85, 84, 96, 80, 80, 87, 91}\\\text {After: 80, 80, 83, 84, 85, 87, 91, 96, 97}$

$\underline {\text {Mean}}$

$\text {To Find the Mean you must Add all the Numbers then Divide.}$

$\text {Add:}$ $\text 80+80+83+84+85+87+91+96+97=\fbox {783}}$

$\text {Divide:}$ $\text {783/9=}$

$\text {The Mean Is:}$

$\fbox {87}$

$\underline {\text Median}}$

$\text {To find the Median you find the number that's in the middle of the set.}$

$\text {Put your Left Pointer Finger on 83. Put your Right Pointer Finger on 91.}$

$\text {Move your Left Finger to the Right. Move your Right Finger to the Left.}$

$\text {Once your Left Finger makes it to 84 and your Right Finger makes it to 87}$ $\text {it shows that 85 is left in the middle.}$

$\text {The Median Is:}$

$\fbox {85}$

$\underline {\text {Mode}}$

$\text {Finding the Mode means finding the number}$ $\text { that shows the most in the number set given.}$

$\text {Since 80 is the number that is showing more than any other number}$ $\text {this tells us that 80 is our Mode.}$

$\text {The Mode Is:}$

$\fbox {80}$

$\text {Best of Luck!}$

4 0

4 years ago

Five years ago mean age of a family was 25 years. What is the present mean age of the family?

Anit [1.1K]

Answer:

The mean depends on the no. of family members but the question hasn't mentioned it. So I have no idea what to do with this.

7 0

3 years ago

y = An isosceles triangle A B C with horizontal base A B and vertex C is below the base. Side A C and C B are labeled with singl

yarga [219]

34 is your answer

hope this helps

3 0

3 years ago

What is the value of<br> sin^-1(0.4182) =

Fittoniya [83]

Answer:

degree 24.7

Radian 0.43

Step-by-step explanation:

7 0

3 years ago