3 years ago

I forgot how to do this (2x+3)(x-1)

Mathematics

1 answer:

Alex73 [517]3 years ago

4 0

Answer:

<h2>2x squared + x - 3 </h2>

Step-by-step explanation:

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jekas [21]

Answer:

okj

Step-by-step explanation:

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3 years ago

A fossil is 254 millimeters long. How many meters long is the fossil? Enter your answer, as a decimal, in the box.

Mariana [72]

1000milimeter=1meter
divide both sides by 1000
1mm=1/1000m
times both sides by 254
254mm=254/1000m
254mm=25.4/100m
254mm=2.54/10m
254mm=0.254/1m
254mm=0.254m

it is 0.254 meters

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3 years ago

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Change 21/4 to a mixed number

8090 [49]

Answer:

$5\frac{1}{4}$

Step-by-step explanation:

Greatest multiplier of 4 that is less than 21 is 5 (4 x 5 = 20)

Put the remaining number as the numerator (21 - 20 = 1)

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3 years ago

What type of number is 2 2/3 ? whole number, integer, rational, irrational ?

dedylja [7]

Answer:

rational

Step-by-step explanation:

rational numbers are any number that can be expressed as a fraction

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3 years ago

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You need at least 30 cubic feet of sand to fill a sand box. Each box contains 2.5 cubic feet of sand. Write and solve an inequal

BabaBlast [244]

Answer:

2.56 = 30

b = 12

(Sorry if I’m wrong! I speeded on it.)

Step-by-step explanation:

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3 years ago