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3 years ago

Does 6/4 = 1 2/4? I need awnsers by tmrw

Mathematics

1 answer:

Gala2k [10]3 years ago

4 0

Answer:

Yes

Step-by-step explanation:

There is definetly a whole number so thats correct

1. subtract 4 from 6 equals 2

2. turn that 4 to a 1 whole and leave what's alone

3. Look at what you did... 1 2/4

4. Take pride

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If a= -3 and b = -8 , find the value of 2a^2 +5|b|

balu736 [363]

The answer is 76. 2(-3)=-6 -6(-6)=36. 5 times the absolute value of 8 is 40. 36+40=76

3 0

3 years ago

You earn 15n15n dollars for mowing nn lawns. how much do you earn for mowing one lawn? seven lawns?

kvasek [131]

You earn $15.00 for mowing one lawn.
15*7=105
You earn $105.00 for mowing 7 lawns.

6 0

4 years ago

Use determinants to find out if the matrix is invertible.

wariber [46]

Answer:

The matrix is not invertible.

Step-by-step explanation:

We are given the following matrix in the question:

$A =\left[\begin{array}{ccc}-5&0&1\\-1&3&2\\0&10&6\end{array}\right]$

Condition for invertible matrix:

A matrix is invertible if and only if the the determinant is non-zero.

We can find the determinant of the matrix as:

$|A| = -5[(3)(6)-(2)(10)]-0[(-1)(6)-(2)(0)] + 1[(-1)(10)-(3)(0)]\\|A| = -5(18-20)+(-10)\\|A| = 10-10\\|A| = 0$

Since the determinant of the given matrix is zero, the given matrix is not invertible.

5 0

3 years ago

Please help with this its confusing somehow :(

RoseWind [281]

Answer:

the answer is 7 because 7 *7 is 49

4 0

3 years ago

PLEASE HELP GIVING 25 POINTS!! -3x + 12 < 18

Volgvan

Answer:

x > -2

Step-by-step explanation:

-3x + 12 < 18

Subtract the 12 from both sides and you'll get:

-3x < 6

Divide by -3

x > -2

You flip the sign when you mulitply by a negative number

Hopefully this helps, sorry if it doesn't

8 0

3 years ago

Read 2 more answers