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Luda [366]
3 years ago
9

Write a number sentence that does not involve regrouping using this sum and two 2- digit addends

Mathematics
1 answer:
melisa1 [442]3 years ago
5 0
Using the sum (addition) and two 2-digit addends, 12 + 34 can be answered without regrouping.
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In Born together—Reared apart: the Landmark Minnesota twin study (2012), Nancy Segal discusses the efforts of research psycholog
Radda [10]

Answer:

Check the explanation

Step-by-step explanation:

From the given differences of SAT scores

find the mean and standard deviation of difference.

Kindly check the attached image below to see the step by step explanation to the question above.

7 0
3 years ago
1 . What is the distance between the two points. (0,5 1,3), (-0,4, -1,3) ?
Studentka2010 [4]

Answer:

Step-by-step explanation:

x1 = 0.5 x2 = -0.4 y1 = 1.3 y2 = -1.3

\sqrt{(x2 - x1)^{2}+(y2 - y1)^{2}

\sqrt{(-0.4 - 0.5)^{2}+(-1.3 - 1.3)^{2}

=2.75

6 0
3 years ago
What is the circumference of a circle with a radius of 5 m?
Lena [83]

Answer:

31.4 meters

Step-by-step explanation: use the formula 2 times pi times 5 then you just plug in 5 into the radius

5 0
4 years ago
Read 2 more answers
The ice cream shop has 80 different possible sundaes which include 1 flavor of ice cream, 1 syrup, and 1 candy topping. If the i
Brut [27]
80 = 5 x 4 x 4

they have 4 flavors of icecream

you get this by multiplying all the variables and how many different possibilities each variable can be

so,
5 different syrups (5)
4 different candy toppings (4)

from that you know 5 x 4 x ? = 80

so 5 x 4 = 20, and 20 x 4 = 80

so 4 different flavors of ice cream (4)
7 0
3 years ago
Read 2 more answers
My teacher wouldn't help me.. and this is my last question. I need to know how to find the perimeter of the geometric figure (it
nika2105 [10]
This isn't really a geometry problem.  It's just an addition of fractions.

You know that 'perimeter' means 'the distance all the way around'.
And you know the length of all the sides of the parallelogram.
All you need to do is add them up !

(13/12) + (3/13) + (13/12) + (3/13) = the perimeter

Notice that two of the sides are equal, and the other two sides are also equal.
So you can make the job a little easier if you add up the twelfths first

(13/12) + (13/12) = 26/12

and then add up the thirteenths ...

(3/13) + (3/13) = 6/13 .

Now, the perimeter looks a little bit less complicated.
It's just
                   (26/12) + (6/13) = the perimeter.

This is the tough part.  Before you can add fractions, they need to have
a common denominator. 

The smallest common denominator for 12ths and 13ths is  <em>156 </em>!
Change each fraction to (<em>something over 156</em>), and add um up.
I'll leave that part to you.


5 0
4 years ago
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