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lukranit [14]
3 years ago
15

Evaluate when x = 3 and y = 4. 1/3x -8y

Mathematics
1 answer:
svetoff [14.1K]3 years ago
4 0

1/3 times 3 is 1

8 times 4 is 32

soooo.....

1-32 equals negative 31.

hope I helped!!! (:

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Which is the completely factored form of 4X cubed +10 X squared minus 6X
IgorLugansk [536]

Answer:

2x(2x - 1)(x + 3)

Step-by-step explanation:

4x^3 + 10x^2 - 6x =

Factor out the common factor 2x.

= 2x(2x^2 + 5x - 3)

Factor the trinominal.

= 2x(2x - 1)(x + 3)

5 0
3 years ago
Read 2 more answers
Help me pls.......... ​
CaHeK987 [17]

Answer:

x = 72 , y = 108

Step-by-step explanation:

2x and \frac{x}{2} are adjacent angles on a straight line and sum to 180° , that is

2x + \frac{x}{2} = 180 ( multiply through by 2 to clear the fraction )

4x + x = 360

5x = 360 ( divide both sides by 5 )

x = 72

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\frac{x}{2} = \frac{72}{2} = 36

\frac{x}{2} and \frac{y}{3} are vertically opposite and are congruent , then

\frac{y}{3} = 36 ( multiply both sides by 3 )

y = 108

3 0
3 years ago
Jennie says the experimental probability that a 7th grade student reads at least 100 pages per week is 16/125. What is her error
alukav5142 [94]

Answer:

Egg

Step-by-step explanation:

Fg

6 0
3 years ago
5. Solve each equation by systematic trial.
Basile [38]

Answer:

a) x = 260

b) g = 218

c) z = 30

d) h = 5

Step-by-step explanation:

a) x-68=192

Predict a number; let's say x = 225

225-68=192\\157=192

Too low; try with a higher number; let's say x = 270

270-68=192\\202=192

Too high, we're closer.

x = 260

260-68=192\\192=192

--------------------------------------------------------------------------------------

b) g+33=251

let's say g = 230

230+33=251\\263=251

Too high. Try g = 221

221+33=251\\254=251

We're almost there. Let's try with g = 218

218+33=251\\251=251

----------------------------------------------------------------------------------------

c) 3z-16=74

Let's try with z = 15

3(15)-16=74\\45-16=74\\29=74

Too low; try a higher number. z = 30

3(30)-16=74\\90-16=74\\74=74

--------------------------------------------------------------------------------------------

d) 15h+9=84

Let's try with h = 6

15(6)+9=84\\90+9=84\\99=84

Too high; let's try with h = 5

15(5)+9=84\\75+9=84\\84=84

3 0
3 years ago
What is the answer to 8-2(x+17)
Aleksandr-060686 [28]

Answer:

42-2x

Step-by-step explanation:

8-2(x+17)

8-2x+34

42-2x

8 0
4 years ago
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