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cricket20 [7]
3 years ago
15

PLEASE HELP WITH MATH! 25 POINTS ON THE LINE!

Mathematics
1 answer:
Alex17521 [72]3 years ago
5 0

Answer:

the fourth gets 5/16

Step-by-step explanation:

add all of the numbers

1/4+1/16+3/8= 11/16

1 or 16/16 - 11/16 = 5/16

You might be interested in
An elementary school is offering 3 language classes: one in Spanish, one in French,and one in German. The classes are open to an
Alona [7]

Answer:

A. 0.5

B. 0.32

C. 0.75

Step-by-step explanation:

There are

  • 28 students in the Spanish class,
  • 26 in the French class,
  • 16 in the German class,
  • 12 students that are in both Spanish and French,
  • 4 that are in both Spanish and German,
  • 6 that are in both French and German,
  • 2 students taking all 3 classes.

So,

  • 2 students taking all 3 classes,
  • 6 - 2 = 4 students are in French and German, bu are not in Spanish,
  • 4 - 2 = 2 students are in Spanish and German, but are not in French,
  • 12 - 2 = 10 students are in Spanish and French but are not in German,
  • 16 - 2 - 4 - 2 = 8 students are only in German,
  • 26 - 2 - 4 - 10 = 10 students are only in French,
  • 28 - 2 - 2 - 10 = 14 students are only in Spanish.

In total, there are

2 + 4 + 2 + 10 + 8 + 10 +14 = 50 students.

The classes are open to any of the 100 students in the school, so

100 - 50 = 50 students are not in any of the languages classes.

A. If a student is chosen randomly, the probability that he or she is not in any of the language classes is

\dfrac{50}{100} =0.5

B. If a student is chosen randomly,  the probability that he or she is taking exactly one language class is

\dfrac{8+10+14}{100}=0.32

C. If 2 students are chosen randomly,  the probability that both are not taking any language classes is

0.5\cdot 0.5=0.25

So,  the probability that at least 1 is taking a language class is

1-0.25=0.75

3 0
4 years ago
Will mark brainliest
FinnZ [79.3K]

Answer:

Yes and SSS

Step-by-step explanation:

Let’s write down the ratios to figure out the first question:

RP:MN=5:3

NP:ML=10:6

RN:LN=15:9

Notice that we can simplify all of those ratios to 5:3. That means that the sides are all similar, so yes, the triangles are similar.

For the second question: They are similar by because all sides are similar in the same ratio. That means that they are similar by the SSS similarity.

Hope that helps

5 0
3 years ago
Seiko has 7 coins that add up to $1.10. She has the same number of quarters as dimes. The rest of the coins are nickels. How man
exis [7]

Answer:

She would have 3 quarters, 3 dimes, and 1 nickel.

7 0
3 years ago
Please help!!<br> File is attached.<br><br> 10 pts for answer
Nostrana [21]

Answer:

C 5/7

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the gi
marin [14]

Answer:

The Answer is: y = -3x - 26

Step-by-step explanation:

Given point: (-6, -8)

Given equation:

y = -3x + 3, the slope m = -3

A parallel line has the same slope, m = 3. Use the point slope form and substitute in the point and the slope:

y - y1 = m(x - x1)

y - (-8) = -3(x - (-6))

y + 8 = -3x - 18

y = -3x - 18 - 8

y = -3x - 26

Proof - use the point (-6, -8):

f(x) = -3x -26

f(-6) = -3(-6) - 26

= 18 - 26 = -8, giving (-6, -8)

3 0
3 years ago
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