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mrs_skeptik [129]
4 years ago
14

I don't understand #13. Please help

Mathematics
1 answer:
Aliun [14]4 years ago
8 0
The answer is (3) 14

2+4+24 = 30
30/3=10

6+14=20
20/2=10
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5 0
3 years ago
All the numbers that round to 940,000 when rounded to the nearest ten thousand?
timurjin [86]

The required number is 940,000.

It is required to find the solution.

<h3>What is rounded number?</h3>

A number that is easily multiplied, divided, etc., and especially a number that ends in zero.

Solution:

To round a number to the nearest 10,000, check the thousands digit to decide whether to round up or round down. If the thousands are 5000 or more, round up. If they are 4999 or less, round down. 45,000 to the nearest 10,000 is 50,000.

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7 0
2 years ago
A car travels 150 miles in 2 hours. Which of the following represents a corresponding unit rate? Choose all that apply.
azamat
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6 0
3 years ago
Simply 4 square root of 45
maksim [4K]
Answer : 12 square root 5

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3 0
4 years ago
A is a 4x4 matrix and A^2 + 4A - 5I = 0. If det(A+2I)&gt;0, enter det(A+2I)
maw [93]
\mathbf A^2+4\mathbf A-5\mathbf I=0
\implies\mathbf A^2+4\mathbf A+4\mathbf I=(\mathbf A+2\mathbf I)^2=9\mathbf I
\implies\det\bigg((\mathbf A+2\mathbf I)^2\bigg)=\det(9\mathbf I)
\implies\det(\mathbf A+2\mathbf I)^2=9^4\det\mathbf I
\implies\det(\mathbf A+2\mathbf I)=\pm\sqrt{9^4}
\implies\det(\mathbf A+2\mathbf I)=9^2=81

where we take the positive root because we're told that the determinant is positive.
5 0
3 years ago
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