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lesya692 [45]
3 years ago
7

Please answer :puppy eyes emoji:

Mathematics
1 answer:
Anettt [7]3 years ago
8 0
Well ven diagrams help you visually compare and contrast two figures. They helps you note the similarities and the differences between two items. Hope this helps!
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Twice the sum of two numbers is 72 if one number is 20 then the other number is
Alex787 [66]

Answer:

16

Step-by-step explanation:

20 + 16=36 36x2=72

6 0
3 years ago
Spongebob rectangular body has an area of (x ​2 ​​ −15x 54) feet. what is his width and height in feet?
marusya05 [52]
I hope this helps you

8 0
4 years ago
Ed is 7 years older than Ted. Ed’s age is also 3/4 times Ted’s age. How old are Ed and Ted?
leva [86]
Let Ted be x.

Ed is 7 years older =  x  + 7

Ed = (3/4)Ted

(x + 7) = (3/4)x

x + 7 = 3x/4

x - 3x/4 = -7

x/4 = -7

x = -28,           Ted = -28 years

(x + 7) = -28 + 7 = -21,      Ed = -21 years.

Goodness. We had negative numbers for the ages, well does that make sense?  No it doesn't.

Our answer is correct. But the sense in the question is lacking. The question has been wrongly set.

We might assume negative ages to mean before they came into the world, before birth! 
4 0
3 years ago
Simplify 5x2(5x2− 3x − 1). a. 25x4− 15x3− 5x2 b. 25 − 15x − 5x2 c. 10x4− 15x3− 5x2 d. 25x2− 15x − 5
Alika [10]
5x^2 (5x^2 - 3x - 1) = 25x^4 - 15x^3 - 5x^2
6 0
4 years ago
The mean of the numbers 15,21,17,26,18 and 29 is 21. Calculate the standard deviation. <br>​
kherson [118]

Answer:

4.62910049578

Step-by-step explanation:

variation is standard deviation squared

variance = 21.428571428571

square root variance for answer.

6 0
3 years ago
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