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Tomtit [17]
3 years ago
12

Delilah does 184184184 jumping jacks in 444 minutes. She does her jumping jacks at a constant rate. How many jumping jacks can D

elilah do per minute?
Mathematics
2 answers:
valkas [14]3 years ago
4 0
I'm assuming you didn't mean to repeat each number 3 times. 

If she did 184 jumping jacks in 4 minutes that means she did 46 jumping jacks per minute. 
harina [27]3 years ago
4 0

Answer:

46 jumps per minute.

Step-by-step explanation:

We have been given that Delilah does 184 jumping jacks in 4 minutes.

Since Delilah is jumping jacks at a constant rate, so the number of jumps per minute would be 184 divided by 4.

\text{Number of jumps per minute}=\frac{\text{184 jumps}}{\text{4 minutes}}

\text{Number of jumps per minute}=\frac{\text{46 jumps}}{\text{minute}}

Therefore, Delilah is jumping at a rate of 46 jumps per minute.

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Rectangular classroom seats 72 students. If the seats were rearragned with 3 more seats rows in each row, the classroom would ha
Gre4nikov [31]
<span>Let the original number of seats in a row be x;
</span>Let the number rows be y;

( x + 3) * (y - 2 )= 72 and x * y = 72 => 72 + 3 * y - 2 * x = 72 => 3 * y = 2 * x;
=> x is divisible by 3;

1. x = 3 => y = 72 / 3 => y = 24;
2. x = 6 => y = 72 / 6 => y = 12;
3. x = 9 => y = 72 / 9 => y = 8;
4. x = 12 => y = 72 / 12 =. y = 6;
5. x = 24 =. y = 72 / 24 => y = 3;
6. x = 36 => y = 72 / 36 => y = 2;
7. x = 72 => y = 72 / 72 => y = 1;

My analysis tell me that the right answer is 9 seats in a row and 8 rows;
The original number in each row is 9.
6 0
2 years ago
Let f(x)=x^2-8x+5. Find f(-1)
polet [3.4K]
F(x) = x² - 8x + 5

f(-1) = (-1)² - 8*(-1) + 5

         = 1 + 8 + 5 = 14

f(-1) = 14.
3 0
3 years ago
Leila is buying a dinosaur model. The price of the model is xxx dollars, and she also has to pay a 7\%7%7, percent tax.
padilas [110]

The  expressions that could represent how much Leila pays in total for the model

\dfrac{107}{100}x

100 107 Option A is correct.

This is further explained below.

<h3>Which of the following expressions could represent how much Leila pays in total for the model?</h3>

The price of the model is  x

Now we are given that she also has to pay a 7  tax.

Amount of tax =7 % x

=\frac{7}{100} x

the Total cost=x+\frac{7}{100} x

=\frac{107}{100} x

In conclusion, the statement might signify Leila's overall cost for the model. \frac{107}{100} x

Read more about expressions

brainly.com/question/14083225

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3 0
1 year ago
How to mulitiply 8.18 times 2.8 don’t understand
schepotkina [342]

Answer:

Multiply it like a normal number.

Step-by-step explanation:

Take the point away in both numbers

line the numbers up and add the zero at the end of 28

multiply

add the decimal point back after solved (3 decimal points)

 818

x280

-----------

4 0
3 years ago
All we asked for the question not all that
maria [59]

Answer:

...what?

Step-by-step explanation:

≥≧≦≤

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<em>aM gObLiN gImMiE yE pOiNtS!    </em>            ( thanks )

8 0
3 years ago
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