3 years ago

3.1 × 10^-4 in standard form

Mathematics

1 answer:

podryga [215]3 years ago

4 0

Answer:

Its 0.00031

Step-by-step explanation:

You just move your decimal the number of exponent. In your case -4 so you would move it to the left because it's a negative and move it 4 spaces.

Hope this helps!

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If f(x) = 4x + 12x and g(x) = 5x - 1, find (f + g)(x).

egoroff_w [7]

Answer:

= 21x - 1

Step-by-step explanation:

= (4x + 12x) + (5x - 1)

= 4x + 12x + 5x - 1

= 16x + 5x - 1

= 21x - 1

3 0

3 years ago

Solve for the indicated variable.<br><br> y = mx + b for x<br><br> x=

kogti [31]

Answer:

y-b/m = x

Step-by-step explanation:

y = mx + b

~Subtract b to both sides

y - b = mx

~Divide m to both sides

y-b/m = x

Best of Luck!

3 0

3 years ago

Given the triangle shown below, find the length of [BC]

marshall27 [118]

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x²=784-289

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6 0

2 years ago

yawa3891 [41]

Please comment on this so I can see the full question

4 0

2 years ago

Can I please get help with this?

Andrei [34K]

Answer: x = 20.

Step-by-step explanation:

x and (3x + 10) combine to form a right angle, shown in the diagram by the small square joining the perpendicular lines.

Right angles are 90 degrees, so you can add both angles to get 90:

$x + (3x + 10) = 90\\\\4x + 10 = 90\\\\4x = 80\\\\x = 20$

7 0

2 years ago