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3 years ago

21 ≤ 2x + 3 = How do you work this out? And what is the answer? :)

Mathematics

2 answers:

nadya68 [22]3 years ago

7 0

Answer:

Step-by-step explanation:

21≤2x+3
21-3≤2x
18≤2x
divide both side by 2
therefore the answer
x≥9

Igoryamba3 years ago

4 0

Just use app called Socratic will help out

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Debora [2.8K]

Answer:

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Step-by-step explanation:

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3 years ago

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Solve for X.<br> X = [?]<br> 5x - 16 X + 10

Aleks [24]

$\boxed{ \sf{ \color{purple}\huge Answer :}}$

$\: \:$

$\large \tt \purple↪ \: \: \: \: \: 5x - 16 = x + 10$

$\: \:$

$\large \tt \purple↪ \: \: \: \: \:5x - x = 10 + 16$

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$\large \tt \purple↪ \: \: \: \: \: 4x = 26$

$\:$

$\large \tt \purple↪ \: \: \: \: \: x = \cancel\frac{26}{4}$

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$\underline{ \boxed{\large \tt \purple↪ \red{ \: \: \: \: x = \frac{13}{2} }}}{ \large✓}$

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2 years ago

4x squared + 3x-2 divided by 5x squared + 8x +3

Lunna [17]

Answer:20x^4+55x^3+15x^2-2/5x^2

Step-by-step explanation:

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4 years ago

The wheels of a bicycle have a diameter of 70cm. How many meters will the bicycle travel if each wheel makes 50 revolutions

slava [35]

Answer:

see explanation

Step-by-step explanation:

1 revolution is equivalent to the circumference of the wheel

1 revolution = πd ( d is the diameter )

= 70π cm

50 revolutions = 70π × 50 = 3500π cm = 35π m ≈ 110m ( nearest metre )

5 0

3 years ago

Read 2 more answers

Please help me with my work give brainlessly

Anestetic [448]

Answer:

Volume = 684 in^3

Step-by-step explanation:

To start, the equation for Volume = L*W*H

So, lets begin with the cube on the top, all of its sides are 6 inches in length, so do:

6*6*6 to get the volume of just it

216

Next. lets get the rectangular prism.

6*6*13

468

Last, combine these.

684 in^3

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3 years ago