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VikaD [51]
3 years ago
5

To qualify for a scholarship, a student must score at least 90% on a written test. The test is 64 questions. Using this metric,

what is the greatest number a student can miss and still qualify for the scholarship?
Mathematics
1 answer:
Ket [755]3 years ago
6 0

Answer:

6 questions

Step-by-step explanation:

<u>First</u>, you divide the total score of 100 by the 64 questions to get 1.5625 points per question. <u>Next</u>, you divide the lowest score to qualify of 90 by the 1.5625 to get 57.6 questions correct to qualify. <u>Then</u>, you round 57.6 questions correct up to 58 questions correct because a fraction of a question correct doesn't make sense. <u>Finally</u>, you subtract the total number of questions (64) by the required correct answers (58) to get 6 questions you can miss to still qualify for the scholarship.

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30 POINTS!!!
DIA [1.3K]

Answer:

She can make cookies for 4.95 weeks

Step-by-step explanation:

2 x 1 2/3 = 3.333333333

16.5/ 3.333333333 = 4.95

Since Jordan is making two batches of Cookies per week, you need to multiply 2 by the amount of resources needed to bake one batch of cookies. So you multiply 1 and 2/3 by 2 to get the amount of resources neccesary for one week of making cookies. Then, you take the full amount of resources that she has, and divide that by the amount she uses per week, that number will give you the number needed to figure out how many weeks she has to bake cookies.

To figure out the number that is being divided to get the whole number in weeks, you would take the 16.5 cups of flour. The reason why this is, is because that Is the starting number of cups that she has. So here you would need to divide the amount you are taking from it each week. This will result in the amount of weeks that she is able to bake cookies with her flour.

5 0
3 years ago
25 POINTS!! Which of the following shows the number 10,000 written as a number having just three significant digits?
ivann1987 [24]

Answer:

B. 1.00 x 10 to the 4th power

Step-by-step explanation:

4 0
3 years ago
John Hay, George W. Goethals,and William C. Gorgas were all involved in
Ede4ka [16]

 John Frank Stevens, William C Gorgas and George Washington Goethals 1914 (opened)The building of the 50-mile-long Panama Canal was a collosal project, joining together the Pacific and Atlantic oceans by digging away 240 million metric tons of earth through the Isthmus of Panama. Almost as big a project was sanitising the area around the canal, which was mosquito infested and home to serious diseases like Malaria and Yellow Fever.
<span> In 1907 President Roosevelt appointed George Washington Goethals, a military engineer, as head of the project, and under his leadership the canal was finally completed in 1914, two years ahead of the 1916 target. Of benefit to the whole world, the achievement of the Panama Canal signalled American dominance in project management and engineering like no other project of the day.</span>
8 0
4 years ago
(4)(5)(6) Geometry<br> Check answers<br><br> 4) octagon<br> 5) 135<br> 6) 720
allsm [11]
Problem 4

x = interior angle
y = exterior angle
x = 3y since "each interior angle...is three times the measure of each exterior angle"

The interior and exterior angles are supplementary, meaning,
x+y = 180
3y+y = 180
4y = 180
y = 180/4
y = 45

So we know that
n = 360/y
n = 360/45
n = 8

You are correct in saying that this is an octagon

===========================================================================================

Problem 5

x = measure of missing angles

Find the sum of the interior angles
S = 180*(n-2)
S = 180*(5-2)
S = 540
The five interior angles add up to 540 degrees

Add up the five angles, set equal to 540, then solve for x
90+90+90+x+x = 540
2x+270 = 540
2x+270-270 = 540-270
2x = 270
2x/2 = 270/2
x = 135

So you have the correct answer of choice C) 135 degrees

===========================================================================================

Problem 6

S = 180*(n-2)
S = 180*(6-2)
S = 180*4
S = 720

You have the correct answer. Nice work on all three correct answers.


5 0
3 years ago
Which is the simplified form of the expression (StartFraction (x Superscript negative 3 Baseline) (y squared) Over (x Superscrip
Vlad [161]

Answer:

The simplified form of the expression is \frac{1}{x^{7} y^{4}}.

Step-by-step explanation:

The expression is:

\frac{x^{-3}\cdot y^{2}}{x^{4}\cdot y^{6}}

The division rule of exponents is:

a^{m}\div a^{n}=a^{m-n}

The negative exponent rule is:

a^{-m}=\frac{1}{a^{m}}

Simplify the expression as follows:

\frac{x^{-3}\cdot y^{2}}{x^{4}\cdot y^{6}}=[x^{-3-4}]\times [y^{2-6}]

         =x^{-7}\times y^{-4}\\\\=\frac{1}{x^{7} y^{4}}

Thus, the simplified form of the expression is \frac{1}{x^{7} y^{4}}.

8 0
4 years ago
Read 2 more answers
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