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Over [174]
3 years ago
9

If carla does 25 jumping jacks 3 times per day how many jumping jacks will she do in 7 days?

Mathematics
2 answers:
Zanzabum3 years ago
6 0
Carla will do 525 jumping jacks in 7 days.
First, you multiply 25 by 3. You get 75.
Then you have to multiply 75 by 7. You get 525.
You multiply 25 by 3 to get 75 because that's how many she does in 1 day. And you multiply 75 by 7 to get 525 because she does 75 jumping jacks per day, for 7 days.
ryzh [129]3 years ago
5 0
How many jumping jacks does carla do in one day?
carla does 25 jumping jacks 3 times per day

25 + 25 + 25 = 75 jumping jacks per day 

carla does 75 jumping jacks per day, how many will she do in 7 days?

7 x 75 = 525 

Carla will do 525 jumping jacks in 7 days
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hoa [83]

Answer:

Plz mark me brainliest!!!!

Step-by-step explanation:

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90

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6 0
3 years ago
Predict what the graph of the following quadratic function will look like. (If you have a graphing calculator, you can use it to
Alex17521 [72]

Answer:

u-shaped; y-intercept (0,6); symmetrical with respect to the y-axis

Step-by-step explanation:

Given that y = 2x² + 6

The graph would be the shape of that of a parabola. It can be u shaped or n shaped depending on the value of the coefficient of a comparing with the standard equation y = ax² + bx + c. If a > 0, it is u shape and if a < 0, it is n shape.

For this question, since a > 0 it would be u shaped and the intercept can be gotten by putting x = 0.

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The intercept is at (0,6) and is symmetrical with respect to the y-axis

3 0
3 years ago
What survival rate in the 10th year would make the average rate of loss over the 10-year period equal to 38.0%?
Morgarella [4.7K]

Answer: 63%

Step-by-step explanation:

First find the rate of loss that would cause the average rate of loss over the 10-year period equal to 38.0%.

Assume that rate is x.

38 = (36.2 + 29.0 + 46.2 + 37.5 + 40.9 + 40.0 + 32.6 + 40.5 + 40.1 + x) / 10

38 = (343 + x ) / 10

380 = 343 + x

x = 380 - 343

x = 37%

The survival rate is the opposite of the rate of loss which means that the survival rate is;

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7 0
2 years ago
D is the wrong answer please help :(
Stella [2.4K]

This can be solved by Newton's binomial formula

Tk+1 = (n k) a∧(n-k) b∧k  k+1=7 => k=6, n=11 , a=-3x and b=-2y

T7= (11 6) (-3x)∧(11-6) (-2y)∧6 = (11*10*9*8*7)/(1*2*3*4*5) (-3x)∧5 (-2y)∧6

T7= 462 (-3x)∧5 (-2y)∧6

The correct answer is A.

Good luck!!!


8 0
2 years ago
Read 2 more answers
The sum of two numbers is 156. The first number is six more
Zigmanuir [339]

Answer:

Let A equal the first number

Let B equal the second number

A=4b+6

B=b

4b+6+b=156

Step-by-step explanation:

Hope this helps :) Have a great day!!!!

3 0
2 years ago
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