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Shtirlitz [24]
4 years ago
12

Explain why you would make one of the addends a ten number when solving a addition problem

Mathematics
1 answer:
bija089 [108]4 years ago
7 0
By using a tens number as you refer to a multiple of ten. As a multiple of ten you can just add it to another number easier than a ones number
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Wich set of angles measure could be the measure of the interior angles of a triangle? 90,42 and 58. 60,60 and 60. 100,48 and 43.
4vir4ik [10]

Answer:

60°,60° and 60°.

Step-by-step explanation:

The sum of the interior angle of a triangle

=180°

So, let us test measured sets to get which of them could be the interior angles of a triangle.

The sum of the first measured set

= 90° + 42° + 58°

=190°

Also, the sum of the second measured set

= 60°+ 60° + 60°

=180°

The sum of the third measured set,

= 100°+ 48° + 43°

=191°

Finally, the sum of the fourth measured set

= 31° + 75°+ 70°

=176°

We can clearly conclude that, the measured set 60°,60°and 60° could only be the the set of interior angles of a triangle. Since it is the only set that add up to 180°

6 0
3 years ago
Scientific Notation (Please help!)<br><br> Write in standard form:<br> 6.79 x 10⁻⁴
QveST [7]
0.000679 is the correct answer

move the decimal point to the left twice because of the -4 on the 10
5 0
3 years ago
The difference between the roots of the quadratic equation x2+x+c=0 is 6. Find c.
NemiM [27]
We have that
x_{1} - x_{2} = 6
Let y be the first root, then y - 6 will be the second one. Since both roots make the quadratic equation equal to 0, we have that:
y^{2}  + y + c =  (y - 6)^{2}  + (y - 6) +c
Solve for y:
y^{2} +y +c = y^{2} - 12y + 36 + y - 6 +c \\ y + 12y - y = 30 \\ y =  \frac{5}{2}
Plug in y = 5/2 into original quadratic equation and solve for c:
(  \frac{5}{2}) ^{2} +  \frac{5}{2}  +c = 0 \\  c= - \frac{5}{2}  -  \frac{25}{4}  \\ c = - \frac{35}{4}
So, the answer is c = -35/4
6 0
3 years ago
Rodolfo has 15 toys in a toy box, and he adds 2 new toys every month. Based on this information , which representation best show
Pachacha [2.7K]
They told me to answer a bunch of questions best of luck tho
6 0
2 years ago
Read 2 more answers
Jean transformed a point by using the rule (x, y) right-arrow (x minus 6, y + 8). The image point is (–4, 1). Which point is the
Montano1993 [528]

Answer:

(2, -7)

Step-by-step explanation:

The image is the point after the transformation.  So basically we want to move backwards.  the transformation is (x-6, y+8) so that means we want to find when we go in reverse, or in other words (x+6, y-8) from the image (-4, 1)

(x+6, y-8)

(-4+6, 1-8)

(2, -7)

You can check by transforming this point witht he transformation properly.  And just a reminder (x-6, y+8) mans left 6 and up 8

8 0
3 years ago
Read 2 more answers
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