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3 years ago

Please help with this I give Brainliest thank you!

Mathematics

1 answer:

Rufina [12.5K]3 years ago

8 0

It is the First Quartile.
Hope this helps

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Annette [7]

The answer is D
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3 years ago

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From $80 to $64 I dont know what the percent is?

Roman55 [17]

$64 is 80% of $80. To find how many percent of $80 is $64. $64/$80 = 0.8 or 80% To find how many percent of decrease, just subtract 80-64=16; $16/$80= 0.2 or 20%

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4 years ago

250 students in a high school senior class are surveyed about what majors they intend to declare in college. Of the 250 students

Vilka [71]

Answer:

Program C allows students to earn a Mathematics degree (B.A. or B.S.) by combining courses in the Department of Mathematics with courses from one other department. In most areas of specializations, mathematical and/or quantitative courses in other departments are part of the math degree program. All Program C students take a minimum of five core math courses: Calculus I, Calculus II, Calculus III, Introduction to Linear Algebra, and a proofs course, usually either Introduction to Abstract Algebra or Fundamental Properties of Spaces and Functions I.

Step-by-step explanation:

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3 years ago

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How to solve5n-16-8n=-10 step by step

Aleksandr [31]

Answer:

n=-2

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4 years ago

Anna, Ivan and Elena are running for class president. On Thursday night Anna had 20% of the votes, Ivan had 35% of the votes and

hodyreva [135]

Answer:

28%

Step-by-step explanation:

On Thursday night Anna had 20% of the votes, Ivan had 35% of the votes and Elena had 45% of the votes. You can take the number of total votes on Thursday equal to 100, then Anna had 20 votes, Ivan had 35 votes and Elena had 45 votes.

Let x be the number of votes added on Friday. All of them favored Elena, then Elena in total had 45+x votes and the number of all votes became 100+x. In the end Anna had 16%, then

100+x - 100%,

20 - 16%.

Write a proportion:

$\dfrac{100+x}{20}=\dfrac{100}{16},\\ \\16(100+x)=2000,\\ \\1600+16x=2000,\\ \\16x=400,\\ \\x=25.$

Find the percent of the voters that chose Ivan:

125 - 100%,

35 - y%.

Write a proportion:

$\dfrac{125}{35}=\dfrac{100}{y},\\ \\125y=35\cdot 100,\\ \\y=\dfrac{35\cdot 100}{125}=\dfrac{35\cdot 4}{5}=7\cdot 4=28\%.$

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3 years ago

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