1 year ago

Jenny spins a fair 4-sided spinner what is the probabiliity that the spinner will land on a or b

Mathematics

1 answer:

algol [13]1 year ago

6 0

We require a picture of said spinner to see which sides say a and which say b

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A rectangle has an area of 100 square centimeters. The base of the rectangle is 25 centimeters. What is the height of the rectan

enyata [817]

You find area by multiplying base and height.
The formula is A=bh
so 100=25h
25 times 4 is 100
100=25*4

4cm is your answer

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2 years ago

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Oduvanchick [21]

Square ABCD and square EFGH will reflect onto themselves across 8 lines of reflection

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If CD I EF, what is the mZFCD?

Margaret [11]

there is no picture. Can you upload a picture?

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3 years ago

For the polynomial function ƒ(x) = x4 −25x2, find the zeros. Then determine the multiplicity at each zero and state whether the

AfilCa [17]

<u>ANSWER</u>

The zeros are $x=-5,x=0,x=5$

EXPLANATION

Given;

$f(x)=x^4-25x^2$ .

We can rewrite the function as

$f(x)=x^2(x^2-25)$

$\Rightarrow f(x)=x^2(x^2-5^2)$

$\Rightarrow f(x)=x^2(x-5)(x+5)$

The zeros are found by equating the function to zero.

$\Rightarrow x^2(x-5)(x+5)=0$

$\Rightarrow (x-5)=0$

The multiplicity is 1, since it is odd the graph crosses at this intercept. which is $x=5$

$\Rightarrow (x+5)=0$

The multiplicity is 1, since it is odd the graph crosses at this intercept. which is $x=-5$

$\Rightarrow x^2=0$

This last root has a multiplicity of 2.

That is

$x=0$ repeats two times.

Since the multiplicity is even, the graph touches the x-axis at the point $x=0$ .

See graph.

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2 years ago

joel has an average salary of 34840 works 40 hours a week 52 weeks a year.how much money he makes per hour

seropon [69]

40*52= 2080

34840 / 2080 = $16.75 an hour

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3 years ago