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Slav-nsk [51]
3 years ago
10

Solve for X. HELP PLEASE!!! ASAP

Mathematics
2 answers:
HACTEHA [7]3 years ago
5 0

Answer:

5, 6, 9

Step-by-step explanation:

1. x= -5

2.x= 6

3. x=9

gizmo_the_mogwai [7]3 years ago
3 0
1. C) -5
2. D) 6
thats what i know
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Identify the terms, coefficients and constants in the following: 3y + 3x - 2 * 5. Make it clear which are the terms, coefficient
vodka [1.7K]

Answer:

the terms/constants are 2 and 5 the coefficients are 3y and 3x

Step-by-step explanation:

terms/constants are the same thing

coefficients are numbers with letters behind them

<h2><u><em>BRAINLIEST PLEASE!!!!!!!!</em></u></h2>
3 0
3 years ago
Let Ebe the set of all even positive integers in the universe Zof integers, and XE : Z R be the characteristic function of E.
AnnZ [28]

Answer:

\mathbf{X_E (2) =  1}

\mathbf{X_E (-2) = 0 }  

\mathbf{\{ x \in Z: X_E(x) = 1\}  = E}

Step-by-step explanation:

Let E be the set of all even positive integers in the universe Z of integers,

i.e

E = {2,4,6,8,10 ....∞}

X_E : Z \to R be the characteristic function of E.

∴

X_E(x) = \left \{ {{1 \ if  \ x \ \  is \ an \ element \ of \ E} \atop {0 \ if  \ x \ \  is \ not \ an  \ element \ of \ E}} \right.

For XE(2)

\mathbf{X_E (2) =  1}  since x is an element of E (i.e the set of all even numbers)

For XE(-2)

\mathbf{X_E (-2) = 0 }   since  - 2 is less than 0 , and -2 is not an element of E

For { x ∈ Z: XE(x) = 1}

This can be read as:

x which is and element of Z such that X is also an element of x which is equal to 1.

∴

\{ x \in Z: X_E(x) = 1\} = \{ x \in Z | x \in E\} \\ \\  \mathbf{\{ x \in Z: X_E(x) = 1\}  = E}

E = {2,4,6,8,10 ....∞}

5 0
3 years ago
You want to put some money in a simple interest account it pays 8% interest annually for 2 years you would like to earn 500 doll
Semmy [17]

You deposit some money into a bank account paying 8% simple interest per year. You received $500 in interest after 2 years. How much the deposit (principal) was?


Result


The principal was $3125.


Explanation


Find principal by using the formula I=P⋅i⋅t, where I is interest, P is total principal, i is rate of interest per year, and t is total time in years.


In this example I = $500, i = 8% and t = 2 years, so


IPPP=P⋅i⋅t=Ii⋅t=5000.08⋅2=3125

4 0
3 years ago
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What unit is used to measure the density of a solid?
just olya [345]
If both pieces of metal are made of the same material the ratio of the mass and volume will be the same. here the symbol M stands for the mass of the object, and V the volume. Density has the units of mass divided by volume such as grams per centimeters cube (g/cm3) or kilograms per liter (kg/l).
8 0
3 years ago
I need to know the percent!
Anton [14]
6/12=1/2
Therefore 6/12 is equal to 50/100 or 50%
4 0
4 years ago
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