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Igoryamba
3 years ago
11

NOT RIGHT, PLEASE TRY AGAIN

Mathematics
1 answer:
mariarad [96]3 years ago
5 0

Answer:

Ok I will

Step-by-step explanation:

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Each question on a multiple-choice exam has four choices. One of the choices is correct, worth four points. Another choice is wr
kifflom [539]

Answer:A)0.75

Step-by-step explanation:

Given

There are four options to a question

out of which one is correct with 4 points

one is wrong but carries 1 point

Other two are wrong with a negative Point

Probability of selecting an option is \frac{1}{4}

Expected score=\frac{1}{4}\times 4+\frac{1}{4}\times 1+\frac{1}{4}\times (-1)+\frac{1}{4}\times (-1)

Expected score=1+0.25-0.5

Expected score=0.75

8 0
3 years ago
If the consumption function is C = $200 billion + 0.5Y, Note: some values are in 'trillions' and others are in 'billions'. (
Strike441 [17]
Answer: The marginal propensity to consume (MPC) in the given equation is 0.5.

The formula above is in slope intercept form. The MPC is like the slope of the equation. It gives the change in consumption, C, over the change in income, Y.

For example, if we let Y = 1, then the consumption will go from 200 to 200.5. It was a change of 0.5 over 1. Or just 0.5.

4 0
4 years ago
Use the information below to find the measure of angle a such that triangle abc is similar to triangle def measure of angle b=25
Kamila [148]
<span>triangle abc is similar to triangle def
</span>
m<b = m<e = 25
so
m<d = m<a = 45

answer:

<span>measure of angle a= 45 degrees</span>
5 0
3 years ago
Read 2 more answers
Ruby Company produces a chair for which the standard specifies 5 yards of material per unit. The standard price of one yard of m
azamat

Answer

given,

Standard price = $ 7.50

8,500 chairs were manufactured, using 43,600 yards at a cost of $7.55 per yard.

Price Variance = Actual Quantity x (Actual Rate - Standard Rate)

                         = 43,600 x (7.55 - 7.50)

                         = 2180 (U)

Quantity Variance = Standard Rate x (Actual Quantity - Standard Quantity)

                              = 7.5 x (43600 - 8500 x 5)

                              = 8250 (U)

Cost Variance = 2180+ 8250 = 10430 (U)

3 0
4 years ago
4/5x+7=-5<br> What's the answer I don't get it
Alexxandr [17]
I hope this helps you

7 0
3 years ago
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