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Tanya [424]
3 years ago
13

18. A recent article claimed that women are waiting longer to have their first

Mathematics
1 answer:
Leona [35]3 years ago
6 0

Answer:E

Step-by-step explanation:

The margin of error of 1.5 years indicates that we are confident the population mean age is captured i. The interval 26-1.5=24.5 to 26+1.5=27.5 years old. Therefore, it is plausible that the average age of first time mothers is 27 years old.

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Simplify the expression. (-3 + 6i)(-3 + 5i)
Alex_Xolod [135]

Answer:

11i-6

Step-by-step explanation:

4 0
3 years ago
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Compare and Contrast:
algol [13]
Equation 1 : 
| 5x - 6 | = -41.....no solution because an absolute vlue cannot equal a negative number

equation 2 :
| 7x + 13 | = 27...2 solutions

C. equation 2 has more solutions then equation 1.
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Pls pls i need help with this
Scrat [10]

Answer:

5+8=13

5/13

Lisa's fraction is 5/13

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3 years ago
What is the length of the hypotenuse of the trim angle ?
Ksju [112]

So for this, you'll be using the pythagorean theorem, which is leg^2+leg^2=hypotenuse^2 . In this case, 10 and 24 are the legs, and AB is the hypotenuse. Our equation will be 10^2+24^2=AB^2


Firstly, solve the exponents: 100+576=AB^2


Next, combine 100 and 576: 676=AB^2


And lastly, square root both sides to get 26=AB



And in short, Line AB is 26 ft, or the first option.

7 0
3 years ago
The sum of the square of two consecutive whole number is 25. Find the numbers
Gnom [1K]
Don't you mean "the sum of the squares ..."?
The sum of the squares of two consecutive whole numbers is 25.  Find the numbers.  Let the first be represented by x and the second by x+1.
Then x^2+(x+1)^2=25.  Expanding, x^2+x^2+2x+1=25.
Rewriting this as a quadratic equation in standard form,

2x^2+2x+1=25, or 2x^2+2x-24=0.  Simplifying, x^2+x-12=0.
Factoring, (x-3)(x+4)=0.  Solving for x:  x-3=0, so x=3; x+4=0, so x=-4.
Choose the positive x value:  x=3.  Then the next consecutive number is 2+1=3+1=4.

Check:  Does 3^2 + 4^2 = 5^2 = 25?  Yes.
The numbers are 3 and 4.
3 0
3 years ago
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