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stiv31 [10]
3 years ago
9

When Josie applies for the job of store cashier, she is given a test that involves answering 150 simple addition and subtraction

items. She is told to answer as many of the questions as she can in 10 minutes. The type of test that Josie is taking is a:A) power test.
B) speed test.
C) performance test.
D) psychomotor test
Mathematics
1 answer:
Naddika [18.5K]3 years ago
4 0

Answer:B

Step-by-step explanation:

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What is p (blue)? ......
sammy [17]

Answer:

P(blue)= 0.25 or 1/4

Step-by-step explanation:

On this spinner, each spot is the same size; therefore, there is a 1 in 4 chance that the spinner lands on blue. This is because there are 4 options but only one of them is blue. Then, if you want a decimal just divide 1 by 4. This equals 0.25. Additionally. If you wanted the answer as a percentage multiply the decimal by 100, so the percentage would be 25%.

7 0
2 years ago
Multiply these polynomials.
maksim [4K]
When we multiply the polynomials we will get:
(5x^2+2x)(3x^2-7x+4)
=5x^2(3x^2-7x+4)+2x(3x^2-7x+4)
=15x^4-35x^3+20x^2+6x^3-14x^2+8x
=15x^4+(6x^3-35x^3)+(20x^2-14x^2)+8x
=15x^4-29x^3+6x^2+8x
The correct answer is C
4 0
3 years ago
In parallelogram ABCD, what is BDC?
zavuch27 [327]

Answer:

25

Step-by-step explanation:

<ABD=<BDC

Check it out

5 0
3 years ago
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What is the argument of -5\sqrt{3}+ 5i?
Shtirlitz [24]

Answer:

150 degrees

Step-by-step explanation:

Graphing the complex number we see the angle terminates in the second quadrant. This means the argument, the angle, will be between 90 degrees and 180 degrees.

So if we create a right triangle with that point after graphing it. We see the height of that triangle is 5 because that is the imaginary part. The base of that triangle has length 5\sqrt{3}. The problem is this doesn't give us any part of the angle we want, but it does give us the complementary of the part of the angle that is in second quadrant.

Let's find the complementary angle.

So the opposite side of the complementary angle is 5.

The adjacent side of the complementary angle is 5\sqrt{3}.

\tan(\theta)=\frac{5}{5\sqrt{3}}

\tan(\theta)=\frac{1}{\sqrt{3}}

\theta=\tan^{-1}(\frac{1}{\sqrt{3}})

\theta=30

So 90-30=60.

The answer therefore 60+90=150.

4 0
2 years ago
I’m so confused please help , this is 100 points
sesenic [268]

Answer:

m`1 = 43` 2,3

   m<2 1/12*  

 and m <3 = 1,3/2

Step-by-step explanation:

6 0
2 years ago
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