2 years ago

Work out the perimeter of the shaded shape.

Mathematics

1 answer:

ioda2 years ago

8 0

Answer:

38cm

Step-by-step explanation:

4+2+2+4+13+13=38

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3 years ago

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nataly862011 [7]

Answer:

Step-by-step explanation:

If you ask questions while their speaking it shows that you are paying attention to them. Avoiding eye contact could mean your thinking about something else or you aren't interested. Interrupting them is just being disrespectful. Leaning towards them doesn't really do anything other than you moving.

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2 years ago

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3 years ago

State the y-coordinate of the y-intercept for the function below.

marta [7]

Answer:

Step-by-step explanation:

y-intercept is defined as the point where the graph crosses the y-axis. The value of x coordinate at this point is zero, as along entire y-axis, the value of x coordinate is always zero. So substituting x = 0 in the function will give us the y-coordinate of the y-intercept of the given function.

$f(x)=x^{3}-x^{2} -x+1$

Substituting x = 0 in this function, we get:

$f(0)=0^{3}-0^{2}-0+1=1$

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3 years ago

If f(x) = 5x + 40, what is f(x) when x equals -5?

sladkih [1.3K]

$f(x)=5x+40\\\\x=-5\\\\\text{substitute the value of x to the equation}\\\\f(-5)=5\cdot(-5)+40=-25+40=15$

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3 years ago