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kompoz [17]
3 years ago
12

PLease help i will give extra points

Mathematics
1 answer:
Veronika [31]3 years ago
5 0

Answer:

-4

Step-by-step explanation:

solve expression using pemdas

(shown in image)

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What is 30-25 divided by 5, pls give how you did it
Aleks04 [339]

Use PEMDAS - 30 - (25/5)

- 30 - 5 = 25

25 is the answer

8 0
3 years ago
Read 2 more answers
A jar contains 8 marbles numbered 1 through 8. an experiment consists of randomly selecting a marble from the jar, observing the
zepelin [54]
There are 8 possible outcomes for a marble being drawn and numbered. 
{1,2,3,4,5,6,7,8}
There are 4 possible outcomes for a card being selected from a standard deck.
{ <span>hearts, diamonds, clubs, spades}
So the number of outcomes in the sample space would be 8 x 4 = 32.

In the event "an even number is drawn", there are only 4 possible outcomes for a marble being drawn, {2,4,6,8}, whereas there are still 4 possible outcomes for a suit. So the number of outcomes in the event is 4 x 4 = 16.

</span><span>In the event "a number more than 2 is drawn and a red card is drawn", there are 6 possible outcomes for the marble being drawn, {3,4,5,6,7,8}, whereas there are only two possible suits for a card being selected as red, {heart, diamond}. So the number of outcomes in this event is 6 x 2 = 12.

In the event </span><span>"a number less than 3 is drawn or a club is not drawn", the number drawn could be 1 or 2 whereas a spade/heart/diamond could be selected. So the number of outcomes is 2 x 3 = 6.</span><span>

</span>
3 0
3 years ago
4. Use information in the figure below to find M/_ D​
shtirl [24]

Answer:

d

Step-by-step explanation:

Since DF = EF then the triangle is isosceles with base angle being congruent, that is

∠ D = ∠ E , then

∠ D = \frac{180-133}{2} = \frac{47}{2} = 23.5°

8 0
3 years ago
A plane descends to sea level from 36 comma 400 feet after being airborne for 1 and one half hours. The entire flight time is 3
andrew-mc [135]

Answer:

350 feet per minute

Step-by-step explanation:

The amount of time it took the plane to descend is 3 hours 14 minutes minus 1 hour 30 minutes.

This means it took 104 minutes for the plane to descend 36,400 feet.

Dividing 36400 by 104, you get 350 which is the average rate of descent in feet per minute.

6 0
3 years ago
Read 2 more answers
Need help with angle theorum Lol.Expert in geometry plzz​
Over [174]

Answer:

x=71

Step-by-step explanation:

All exterior angles add up to 360

x+x-6+x+4+x+2+x+5=360

combine all the x's

5x-6+4+2+5=360

add all the numbers

5x+5=360

isolate 5x by cancelling out 5

5x+5-5=360-5

simplify

5x=355

isolate the variable

5x/5=355/5

simplify

x=71

4 0
4 years ago
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