Please help with q6 !!

Mathematics

1 answer:

Soloha48 [4]1 year ago

5 0

Hi!

Answers to your question is attached as picture. Please check.

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Simplify. remove grouping sbols and combine like terms

harina [27]

Answer:

$5a^2+12b^2-40b$

Step-by-step explanation:

First distribute the -4 to the 2b and -3b. This leaves you with $5a^2-8b+12b(b+4)$

Now you can distribute the 12b to b and +4. This leaves you with $5a^2-8b+12b^2+48b$

Now you can combine your like terms leaving you with $5a^2+12b^2-40b$ .

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2 years ago

Create a word problem that involves speed

lana66690 [7]

A hockey puck is sliding on frictionless ice on an infinite hockey rink.
Its speed is 36 km/hour. How far does the puck slide in 10 seconds ?

(36 km/hr) x (1,000 m/km) x (1 hr/3600 sec) x (10sec) =

(36 x 1,000 x 10 / 3,600) meters = 100 meters

What is the puck's speed in miles per hour ?

(36 km/hr) x (0.6214 mi/km) = 22.37 mi/hr

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3 years ago

JT = 5x+ 8 CT = 70, and CJ = 7x + 2 Find JT

defon

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Step-by-step explanation: took one for the team

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2 years ago

Help pls!! math.. PLS HELPPP

AURORKA [14]

Answer:a

Step-by-step explanation: