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grin007 [14]
4 years ago
15

What is another name for Z1? N E F

Mathematics
1 answer:
CaHeK987 [17]4 years ago
8 0

Answer:

GEF

Step-by-step explanation:

You might be interested in
How many diffrent ways can a rectangle be named
11111nata11111 [884]

Answer:

Some other names that we use for rectangles are parallelograms, quadrilaterals, and polygons.

So, 3 different names.

Hope this helps!

7 0
3 years ago
Which sentence below represents the number of test questions in the problem below?
katrin2010 [14]

Answer: there are 10 multiple choice questions and 15 short-answer questions

Step-by-step explanation:

Let x represent the number of multiple choice questions in the test.

Let y represent the number of short-answer questions in the test.

If the test has 25 questions, it means that

x + y = 25

Multiple-choice questions are worth 2 points, and short-answer questions are worth 4 points. The test is worth a total of 80 points. It means that

2x + 4y = 80 - - - - - - - -1

Substituting x = 25 - y into equation 1, it becomes

2(25 - y) + 4y = 80

50 - 2y + 4y = 80

- 2y + 4y = 80 - 50

2y = 30

y = 30/2 = 15

x = 25 - y = 25 - 15 = 10

A. The number of multiple-choice questions plus the number of short-answer questions is 25.

4 0
3 years ago
What is 2,117 divided by 3.
amm1812
2,117÷3=705. Is your Product
6 0
3 years ago
Read 2 more answers
Answer this question for points
Arte-miy333 [17]

Answer:

102 or the 12th number considering 38 is the 4th

3 0
2 years ago
If sec theta = - √30 / 3, find cos theta.<br> if sin(-theta) = -0.97, find cos (π/2 - theta).
Cloud [144]

Step-by-step explanation:

\cos \theta  =  \frac{1}{ \sec\theta }  =  -  \frac{3}{ \sqrt{30} }  =  -  \frac{3 \sqrt{30} }{30}   =  -  \frac{ \sqrt{30} }{10}

\cos( \frac{\pi}{2} -  \theta )=  \cos \frac{\pi}{2}  \cos \theta  +   \sin \frac{\pi}{2}  \sin \theta

Note that

\sin( - \theta) =  -  \sin \theta

\cos \frac{\pi}{2}  = 0 \:  \:  \:  \:  \:  \sin \frac{\pi}{2}  = 1

Therefore,

\cos( \frac{\pi}{2} -  \theta )  = 0.97

5 0
3 years ago
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