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user100 [1]
3 years ago
14

What is 13(n + 4 + 7m)​

Mathematics
1 answer:
nikklg [1K]3 years ago
7 0

Answer:

91m+13n+52

Step-by-step explanation:

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Suppose you had d dollars in your bank account. You spent $12 but have at least $51 left. How much money did you have initially?
PtichkaEL [24]

For this case we must raise an inequality.

We have "d" dollars initially and they are spent 12. Then:

d-12

At least 51 dollars remain, then, the sign of inequality is greater or equal in favor of the expressiond-12, that is:

d-12\geq 51

Resolving:

d\geq 51 + 12\\d\geq 63

There are at least 63 dollars left in the account.

Answer:

d-12\geq 51\\d\geq 63

8 0
3 years ago
M∠LON = 7x-92 and m∠MON = 6x+12
Tomtit [17]

Answer:

M∠LOM  =  \boxed{48}

Step-by-step explanation:

M∠LOM + m∠MON = 180 \\ 7x-92   + 6x+12 = 180 \\ 13x - 80 = 180 \\ 13x = 180  + 80 \\ 13x = 260 \\ \boxed{ x = 20} \\ (7x - 92 )= 140 - 92 =  \boxed{48} \\

5 0
2 years ago
Find the inverse function of <img src="https://tex.z-dn.net/?f=y%3D3%5E%7Bx-2%7D" id="TexFormula1" title="y=3^{x-2}" alt="y=3^{x
kirill [66]

Step-by-step explanation:

Inverse of

y

=

x

+

3

x

−

2

is

y

=

2

x

+

3

x

−

1

Explanation:

As

y

=

x

+

3

x

−

2

x

y

−

2

y

=

x

+

3

or

x

y

−

x

=

2

y

+

3

or

x

(

y

−

1

)

=

2

y

+

3

or

x

=

2

y

+

3

y

−

1

Hence inverse of

y

=

x

+

3

x

−

2

is

y

=

2

x

+

3

x

−

1

Observe that each of the function is a reflection of the other in the line

x

=

y

.

graph{(y-(x+3)/(x-2))(y-(2x+3)/(x-1))(x-y)=0 [-10, 10, -5, 5]}

6 0
3 years ago
−7x &gt; 4(−3x − 5)<br><br> I'm bad at math
VashaNatasha [74]

-7x>4(-3x-5) do the distributive property

-7x>-12x-20 add 12 x to both sides

5x>-20 divide both sides by 5

x>-4


Hope that helps

brainliest is always appreciated

6 0
3 years ago
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Math help, (again) <br><br> These are mainly for corrections
e-lub [12.9K]

The answer would be the last option. :)

4 0
3 years ago
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