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3 years ago

I NEED HELP PLEASE!!

Mathematics

1 answer:

Zielflug [23.3K]3 years ago

4 0

Answer:

Step-by-step explanation:

first of all, its multiplication on both sides, so you can cancel A and B

second of all, the numbers are the same, just the ones being mulitplied first are different

the answer will still be the same no matte the order

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Evaluate the function f(x) = 3x2− 2x for x= 4.

kykrilka [37]

Answer:

Step-by-step explanation:

f(4) = 3(4²) - 2(4)

= 3(16) - 8

= 48 - 8

= 40

when x=4, f(x) = 40

6 0

2 years ago

An electric bulb is sold in a box measuring 5 cm by 4 cm by 4 cm. If the shopkeeper receives them in a carton measuring 50 cm by

katen-ka-za [31]

Answer:

250

Step-by-step explanation:

Bulb box and carton both are of cuboidal shape.

For bulb box the dimensions are:

l = 5 cm, w = 4 cm, h = 4 cm

$V_{Bulb\: box} =lwh$

$\implies V_{Bulb\: box} =5(4)(4)$

$\implies V_{Bulb\: box} =80\: cm^3$

For Carton the dimensions are:

l = 50 cm, w = 20 cm, h = 20 cm

$V_{Carton} =lwh$

$\implies V_{Carton} =50(20)(20)$

$\implies V_{Bulb\: box} =20,000\: cm^3$

To find the number of bulbs packed in the carton, divide the $V_{Carton}$ by $V_{Bulb\: box}$

$Number \:of \:bulbs =\frac{V_{Carton}}{V_{Bulb\: box}}$

$\implies Number \:of \:bulbs =\frac{20,000}{80}$

$\implies Number \:of \:bulbs = 250$

So, 250 bulbs will be packed in one carton.

3 0

2 years ago

Is the relationship shows by the data linear? If so, model the data with an equation.

Kipish [7]

Answer:

Yes, B

Step-by-step explanation:

Yes the data is linear because there is a constant rate of change.

For x or the input the rate of change is plus 2

For y or the output the rate of change is plus 4

y/x is your slope so 4/2=2

and the only equation with a slope of 2 is B

4 0

3 years ago

(-5, -11) and (-2, 1)

irinina [24]

Answer:

the answer is 0 because it 3 negative number

8 0

3 years ago

Read 2 more answers

PLEASE HELP!! WILL MARK BRAINLIEST!!!

Rus_ich [418]

Answer:

that looks tuff my boy good luck

Step-by-step explanation:

7 0

3 years ago