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3 years ago

Simplify the expression. -5 (4x)

Mathematics

1 answer:

galina1969 [7]3 years ago

7 0

-5(4x)=
=-20x
u can multiply 5 x 4x=20x then include the negative -20x

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Can you help me for all three plzzzz

zimovet [89]

I hope this helps you!!

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3 years ago

Solving each system by Eliminating x-y-2z=4 -x+2y+z=1 -x+y-3z=11

elena-s [515]

Answer:

x = 0

y = 2

z = -3

Step-by-step explanation:

x-y-2z=4 (1)

-x+2y+z=1 (2)

-x+y-3z=11 (3)

(1) + (3) = x-y-2z + (-x)+y-3z = 4+11

= -5z = 15

-> z = -3

(1) + (2) = x - y - 2z + (-x) + 2y + z = 4+1

= y-z = 5

= y- (-3) = 5

-> y = 2

(1) = x-y-2z = 4

= x - 2 - 2 * (-3) = 4

-> x = 0

3 0

3 years ago

What can be one centimter long A. ANT B. CAT C. BEAR D. DOG

Lilit [14]

One centimeter is less than 1 inch. So there's only one thing on the choices that is less than 1 inch. That would be the answer.

8 0

4 years ago

Read 2 more answers

On a shelf at a gaming store, there are six Sony Playstations and five Nintendo Wii consoles left. If one gaming system is selec

Sholpan [36]

Answer:

The probability that the system is a Wii console is 0.46

Step-by-step explanation:

Probability expresses the possibility of an occurrence of an event. The probable outcomes for the event is called sample space.

For the given question,

Number of Sony Playstations = 6

Number of Nintendo Wii consoles = 5

Total number of games on the shelve = 11

Probability that the game selected is Wii console implies the possibility of picking one out of the 5 consoles.

pr(the system is a Wii console) = $\frac{5}{11}$

= 0.4555

≅ 0.46

The probability that the system is a Wii console is 0.46.

5 0

3 years ago

Plz help...................

gtnhenbr [62]

Your answer will be 23√3

if the numbers inside the √ is the same, then you can add the outside ones together

in this case it will be 23√3

hope this helps

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3 years ago

Read 2 more answers