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Vinvika [58]
2 years ago
5

Evaluate the expression 1/2x - 2/3y when x = 4 and y = -3

Mathematics
2 answers:
irinina [24]2 years ago
6 0

Answer:

You just substitute the values of x=4 and y=-3 into the given equation and then answer.

Step-by-step explanation:

\frac{1}{2}  \times (4) - \frac{2}{3} \times  ( - 3)

\frac{1}{2}  \times  \frac{4}{1}  -  \frac{2}{3}  \times  -  \frac{3}{1}

2 - ( - 2)

4

so your answer is 4.

ollegr [7]2 years ago
3 0

Answer:

-1

Step-by-step explanation:

Equation: 1/2x-2/3y

Swap out the x and y with the numbers.

1/2 x 4/1 -2/3 x -3

Solve.

2-3

-1

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–3y9 number of terms
qwelly [4]

Answer and Step-by-step explanation:

-3y^{9}

This value above is ONE term. Even though it is made up of more values and stuff, it is all one term BECAUSE they are all connect, so the -3 is with the y by multiplication, and the 9 is with -3y as an exponent of y.

<em><u>#teamtrees #PAW (Plant And Water)</u></em>

5 0
3 years ago
3,600 dived by 9 can someone help asp
hammer [34]
Just plug it into a calculator and you would get 400
5 0
2 years ago
Read 2 more answers
Anyone please HELP cause I’m getting frustrated
pashok25 [27]

Answer:

U =35.5

Step-by-step explanation:

Since this is a right angle, we can use trig functions

tan theta = opp/ adj

tan U = 5/7

Take the inverse of each side

tan ^-1 tan U = tan ^-1 (5/7)

U = 35.53767779

Round to the nearest tenth

U =35.5

4 0
3 years ago
If 2x = 5, 3y = 4, and 4z = 3, what is the value of 24xyz ?
NISA [10]
2x=5 so 5÷2 = x (2.5)
3y = 4 so 4÷3 = y (1.3 recurring)
4z = 3 so 3÷4 = z (0.75)

implement: 24x2.5x1.3•x0.75

hope i answered right
3 0
3 years ago
At a fabric store, fabrics are sold by the yard. A dressmaker spent $36.35 on 4.25 yards of silk and cotton fabrics for a dress.
vaieri [72.5K]

Given:

The system of equations that represent the constraints for the given situation is

x+y=4.25

16.90x+4y=36.35

To find:

The solution of given system of equations.

Solution:

We have,

x+y=4.25           ...(i)

16.90x+4y=36.35           ...(ii)

Multiply equation (i) by 4.

4x+4y=17           ...(iii)

Subtracting (iii) from (ii), we get

16.90x+4y-(4x+4y)=36.35-17

16.90x+4y-4x-4y=19.35

12.90x=19.35

Divide both sides by 12.90.

x=\dfrac{19.35}{12.90}

x=1.5

Put this value in (i).

1.5+y=4.25

y=4.25-1.5

y=2.75

The solution of system of equations is x=1.5 and y=2.75. It means, the yards of silk are 1.5 and yards of cotton are 2.75.

5 0
3 years ago
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