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liberstina [14]
3 years ago
15

Caleb's grade was changed by -18 points

Mathematics
2 answers:
Vanyuwa [196]3 years ago
8 0

Answer:

6

Step-by-step explanation:

because 18 divided by 3 is 6.

ASHA 777 [7]3 years ago
3 0

Answer:

6.

Step-by-step explanation:

If each assignment is worth -3, you can divide 18 (amount of points changed) by 3 (each assignment's affect) to get 6.

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1. Which expressions are completely factored?
Mumz [18]
All but B, as on B an a can be factored out
8 0
3 years ago
Find x inscribed angles
mina [271]
The easiest variable you can solve for first is "z". Knowing that opposite angles of a quadrilateral inscribed in a circle are supplementary, subtract 93 from 180 to get z.
Z should equal 87.
The next variable we can solve for is "x". We know that inscribed angles are half the measure of their intercepting arc, so we know 93 is half of (112 + x). The equation would look like this:

93= (112 + x)/2
Multiply both sides by 2
186 = 112 + x
Subtract 112 from both sides
74 = x

Now we can apply the same method we used to find "x" to find y. Set up an equation like this:
80 = (y + x)/2
Substitute the value of x in
80 = (y + 74)/2
Multiply both sides by 2
160 = y + 74
Subtract 74 from both sides
86 = y

Hope this helps!
5 0
3 years ago
In how many ways can a quality-control engineer select a sample of3 transistors for testing frm a batch of 100 transistors?
Advocard [28]

Answer:

161700 ways.

Step-by-step explanation:

The order in which the transistors are chosen is not important. This means that we use the combinations formula to solve this question.

Combinations formula:

C_{n,x} is the number of different combinations of x objects from a set of n elements, given by the following formula.

C_{n,x} = \frac{n!}{x!(n-x)!}

In this question:

3 transistors from a set of 100. So

C_{100,3} = \frac{100!}{3!(100-3)!} = 161700

So 161700 ways.

6 0
3 years ago
Jasmine has taken an online boating safety course and is now completing her end-of-course exam. As she answers each question, th
seropon [69]

Answer:

80 questions

Step-by-step explanation:

100%/20%=5%

5×16=80

8 0
3 years ago
ASAP HELP PLEASE ITS IS VERY NEEDED
sergejj [24]

Answer:

D. no solution because the other answers if you plug them in dont work

5 0
3 years ago
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