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Alborosie
2 years ago
9

A piece of timber is x cm long. 7 cm is cut off. How much is left?

Mathematics
1 answer:
anygoal [31]2 years ago
3 0

Answer:

x-7>0

Straight answer: x-7

Step-by-step explanation:

Assuming that the timber is X cm long and 7cm was cut off, there remaining amount is x - 7cm. In order for 7cm to be cut off, the timber must have been > 7cm long => x > 7 => x - 7 > 0

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Answer:

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Step-by-step explanation:

7 0
3 years ago
Which is the solution of the equation below, rounded to the nearest tenth?
IceJOKER [234]
1.3x-2.39=5.76x+4.74
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7 0
3 years ago
Hi. I need help wih this question (see image). Please show workings.<br>​
Kipish [7]

Answer:

\frac{dy}{dx} = 12x³ - 6x² - 7

Step-by-step explanation:

Differentiate each term using the power rule

\frac{d}{dx} (ax^{n} ) = nax^{n-1}

Given

y = 3x^{4} - 2x³ - 7x + 5, then

\frac{dy}{dx} = 4.3x^{4-1} - 3.2x^{3-1} - 7x^{1-1} + 0

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4 0
2 years ago
Solve the percent equations 45% of 26=
lara31 [8.8K]
45% = .45
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4 0
3 years ago
Can you please help me
Elza [17]

Answer:

45

Step-by-step explanation:

If two lines are parallel and cut by a transversal, corresponding angles are congruent. Angle GEB and angle EFD are corresponding so they are congruent so you can set them equal to each other and solve.

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X = 45

8 0
3 years ago
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