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3 years ago

Is negative 5 a rational number

1 answer:

7 0

Its a rational number but also a integer and could never be a whole number because its a negative and whole numbers are always positive

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Simplify using the vertical method. (3k + 4)(3k^2 – 5k – 3)

liubo4ka [24]

Answer:

$9k^{3} -3k^{2}-29k-12$

Step-by-step explanation:

Step 1: Expand by distributing sum groups.

$3k(3k^{2} -5k-3)+4(3k^{2} -5k-3)$

Step 2: Expand by distributing terms.

$9k^{3} -15k^{2} -9k+4(3k^{2} -5k-3)$

Step 3: Expand by distributing terms.

$9k^{3}-15k^{2} -9k+12k^{2} -20k-12$

Step 4: Collect like terms.

$9k^{3}+(-15k^{2} +12k^{2} )+(-9k-20k)-12$

Step 5: Simplify.

$9k^{3} -3k^{2}-29k-12$

3 0

3 years ago

Trig please help

enot [183]

Answer:

One

Step-by-step explanation:

9/sin(34) = 6/sinC

sinC = 0.372795269

C = 21.9, 158.1

Since 158.1 + 34 = 192.1 > 180

It will not form a triangle

So,

Only one triangle with angle 21.9° at C

5 0

3 years ago

Help! Got to hand this in in 5 minutes! And also DO NOT put useless answers, or I'll have to report you, not if you tried though

vladimir2022 [97]

The answer is on the photo below, I hope I helped! Hope you do well!!!

8 0

2 years ago

A scooter travels 30 feet in 2 seconds at a constant speed.

Lilit [14]

Answer:

The scooter is going faster.

Step-by-step explanation:

30/2 = 15ft/s

55/4 = 13.75ft/s

(the question was cut off so I used the information I had) Hope this helped!

7 0

3 years ago

What is the distance of 1.5 to -2 on a number line and how can you show it

user100 [1]

Answer:

The distance is 3.5

Step-by-step explanation:

5 0

3 years ago