In Mrs. Austin's science class, 37.5% of the students have compleated their science project. Of the remaining students, 40% have compleated only half of their science project. If there are 32 students in Mrs. Austin's science class, how many of these students have compleated half of their science project?

Answers

Answer 1

well, we know that 37.5% have finished it, that leaves unaccounted for 100% - 37.5% = 62.5%.

now, of those 62.5% fellows only 40% have finished only half of it, how many are those?

well, what's 62.5% of 32?   what's 40% of that much?

[tex]\begin{array}{|c|ll} \cline{1-1} \textit{\textit{\LARGE a}\% of \textit{\LARGE b}}\\ \cline{1-1} \\ \left( \cfrac{\textit{\LARGE a}}{100} \right)\cdot \textit{\LARGE b} \\\\ \cline{1-1} \end{array}~\hspace{5em}\stackrel{\textit{62.5\% of 32}}{\left( \cfrac{62.5}{100} \right)32}\implies 20 ~\hfill \stackrel{\textit{40\% of 20}}{\left( \cfrac{40}{100} \right)20}\implies \text{\LARGE 8}[/tex]


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Answer:

16

Step-by-step explanation:

same as other side should be

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Length of missing side is 36 units.

What is Ratio?

Ratio is defined as a relationship between two quantities, it is expressed one divided by the other.

Let length of missing side is x

Since horizontal lines are parallel, so ratio of sides are equal

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Determine the value of x.

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The required measure of the value of x is given as 2√3. Option A is correct.

What are trigonometric equations?

These are the equation that contains trigonometric operators such as sin, cos.. etc. In algebraic operations.

here,
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perpendicular = 6
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Answer:

  Coupon A is better by $2.80.

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You want to know how much better the best price is between coupon A's $55 rebate on $87 worth of pants, or coupon B's 60% off.

Reduction

The price reduction offered by coupon B is ...

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Solve the exponential equation. 1/16 = 64^4 x − 3

Answers

Answer:

x=7/12

Step-by-step explanation:

1/16=64^4x-3

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4^-2=(4^3)^4x-3

4^-2=4^3*(4x-3)

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Find the area of a regular 12-sided polygon inscribed in a circle of radius
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Answers

area of n sided polygon  inscribed in a circle is

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Answer:

D.

Step-by-step explanation:

4/5 ÷ 3 = 4/5 * 1/3

This is 1/3 of 4/5.

Jackson has a bag of candy full of 10 strawberry chews and 10 cherry chews
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that he reaches in without looking and pulls out a cherry chew?
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B: 8
C: 11
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An acute triangle is made up of three acute angles. An obtuse triangle is formed by one acute angle and two obtuse angles and x = 9.7692307692

what is triangle?

Three sides and three vertices make up a triangle, which is a polygon. It is among the fundamental forms in geometry. Triangle ABC is a graphical representation of a triangle having vertices A, B, and C. In Euclidean geometry, any three points identify a distinct triangle and, concurrently, a distinct plane if they are not collinear.

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The value of 1/2÷1/3=

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The answer is 3/2 or 1 1/2

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Can't seem to figure out ​

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You can look this up

Taylor's band is recording their first studio album at Midnight Studios. The studio's
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Number of Hours the band can record there music is 10hrs

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A word problem is a type of mathematics exercise where the majority of the issue's context is supplied in spoken language as opposed to mathematical notation.

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Total money the band has after selling the merch is = $375 + 200 = $575.

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simplifica la expresion 3(6-2)+4³÷8_3²=​

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Answer:

la ma espole

Step-by-step explanation:

Answer:

11................. ..............

Complete the following ordered pairs
(x,y) so that they satisfy the equation
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(-6,3)
(3,0)
( , -10)
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Answer:(0,5

Step-by-step explanation:

A tank is 80c ,nu 60cm by 75cm, find the volume of water that will fill up

Answers

A tank that is 80 cm tall and has a base that is 60 cm by 75 cm.

To find the volume of the tank, you can use the formula for the volume of a rectangular prism, which is:

Volume = length * width * height

Using the dimensions given, we can plug them into the formula as follows:

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https://brainly.com/question/463363

Answer:

Step-by-step explanation:

To find the volume of water that will fill up a tank that is 80 cm tall, 60 cm wide, and 75 cm deep, you can use the formula for the volume of a rectangular prism. The formula for the volume of a rectangular prism is length x width x height, so in this case, the formula would be:

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Alternatively this also can be written as 806075 cubic cms

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Consider the following two questions designed to assess quantitative literacy.
What is 15% of 1000?
A store is offering a 15% off sale on all TVs. The most popular television is normally priced at $1000. How much money would a customer save on the television during this sale?
Suppose the first question is asked of 200 randomly selected college students, with 168 answering correctly; the second one is asked of a different random sample of 200 college students, resulting in 147 correct responses. Carry out a test of hypotheses at significance level 0.05 to decide if the true proportion of correct responses to the question without context exceeds that for the one with context. (Use p1 for the true proportion students who answered the question without context correctly and p2 for the true proportion of students who answered the question with context correctly.)
State the relevant hypotheses.
H0: p1 − p2 = 0
Ha: p1 − p2 < 0H0: p1 − p2 = 0
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Ha: p1 − p2 > 0H0: p1 − p2 < 0
Ha: p1 − p2 = 0H0: p1 − p2 > 0
Ha: p1 − p2 = 0
Calculate the test statistic and P-value. (Round your test statistic to two decimal places and your P-value to four decimal places.)
z=P-value=
State the conclusion in the problem context.
Fail to reject H0. The data does not suggest that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.Reject H0. The data does not suggest the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one. Fail to reject H0. The data suggests the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.Reject H0. The data suggests that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one.
You may need to use the appropriate table in the Appendix of Tables to answer this question.

Answers

Answer:

A customer  would save $ 150  on the television during this sale and pay

$ 850.

Reject H0. The data suggests that the true proportion of correct answers to the context-free question is higher than the proportion of right answers to the contextual one

Step-by-step explanation:

15% of 1000

=0.15 *1000= $ 150

A customer  would save $ 150  on the television during this sale.

p1 = the true proportion students who answered the question without context = 168/200

p2 = the true proportion of students who answered the question with context correctly = 147/200

The null and alternate hypotheses are

H0: p1 − p2 = 0 i.e the true proportion of correct responses to the question without context is the same as that for the one with context

against the claim

Ha: p1 − p2 > 0  that is the true proportion of correct responses to the question without context exceeds that for the one with context

2) The significance level is set at 0.05

3) The critical region is z > ± 1.645

4) The test statistic

Z= p1-p2/ sqrt [pcqc ( 1/n1+ 1/n2)]

Here p1= 168/200= 0.84

and p2= 147/200=0.735

pc = 168+147/200+200

pc= 315/400= 0.7875

qc= 1-pc= 1-0.7875=0.2125

5) Calculations

Z= p1-p2/ sqrt [pcqc ( 1/n1+ 1/n2)]

z= 0.84-0.735/√ 0.7875*0.2125( 1/200+ 1/200)

z=  0.105/0.0409076

z= 2.5667

6) Conclusion

Since the calculated value of z= 2.5667  lies in the critical region the null hypothesis is rejected and it is concluded that the true proportion of correct responses to the question without context exceeds that for the one with context.

The value of z is 2.5668.

The value of p is 0.01016

Solve for x.
2x + 6
X + 9
x = [?]

Answers

Answer:

wheres the y

Step-by-step explanation:

Answer:

Solution given:

2x+6+x+9=180°[alternative exterior angle is a supplementary]

3x=180-15

x=165/3

x=55

When Yosef was born, his parents put $1000 into a savings account that earns 4%
interest each year. How much will be in the account when he is 21?

Answers

Answer:

$840 interest

Step-by-step explanation:

4% of 1000 is 40

40•21= 840

If you are adding the interest rate and the $1000 together then you get $1840

Hope this helps

someone help me please ?

Answers

9514 1404 393

Answer:

  3/2

Step-by-step explanation:

The scale factor is the ratio of corresponding side lengths.

  larger/smaller = (21/2)/7 = 21/14 = 3/2

The scale factor is 3/2.


9. A company made jewelry boxes in the shape of right rectangular prisms.
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145 cubic inches
A
B.
28 cubic inches
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96
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108 cubic inches

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Answer:

d

Step-by-step explanation:

4*6*45=1080/10=108 in

The graph of g(x) = f(x+4) is the graph of f(x) moved 4 units________​

Answers

Answer:

to the left

Step-by-step explanation:

This looks backwards to some, but it's correct: replacing  x  with  x + 4  in a function moves the graph 4 units to the left.

The reason?

Just suppose that f(6) = 7.  To get f(x + 4) to equal 7, you have to use 2 as a value for  x,  4 units less than the 6 that was used before.

See attached image for an example.

[tex]y=x^2[/tex]  is the black graph

[tex]y=(x+4)^2[/tex]  is the red graph

Evaluate the expression: 18-3(1+4)

Answers

Hopes this helps:

Answer: 3

Simplify 1 + 4 to 5.
18 - 3 • 5


Simplify 3 • 5 to 15.
18 - 15


Simplify.
3

Have a great day.

Answer:

3

Step-by-step explanation:

Multiply 3*5

than calculate 18-15

you will get the solution 3

REMEMBER PEDMAS ( parentheses, expodents, divide, multiply, add and subtract

Teddy works part-time in the Sony Store. He has a base salary of $12.50/h plus a commission of 12% of the total sales he makes.

If Teddy works 10 hours and sells $1500 electronics, how much will he earn this week?

Answers

Answer: $305

Step-by-step explanation:

1) 12.50 multiplied by 10= 125

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3) 125+180=305

9x9 = ? whattttttttttttttttt

Answers

Answer:

81

Step-by-step explanation:

9x9 = 81

81
Lollololololoololllllol

Im strugling on these question​

Answers

Answer and Step-by-step explanation:

How're you struggling with this? Simply look for a point that is inside of the triangle.

The answer is A. (-1, -2)

because this point is INSIDE the triangle.

#teamtrees #PAW (Plant And Water)

Find the area of the following figure​

Answers

Answer:

880?

Step-by-step explanation:

I just woke up

Answer 880 is your answer

Step-by-step explanation:

Special right triangles.
Find u.
Please help due in 30 min!!

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Answer:

2 km

Step-by-step explanation:

use the 45-45-90 triangle formula to find u.

evaluate 6²-2(5+1+3)

Answers

Answer:

18

Step-by-step explanation:

36-10-2-6

26-8

18

[tex]\huge\text{Hey there!}[/tex]


[tex]\mathsf{6^2 - 2(5 + 1 + 3)}\\\mathsf{= 6^2 - 2(5) - 2(1) - 2(3)}\\\mathsf{= 6^2 - 10 -2(1) - -2(3)}}\\\mathsf{= 6\times 6 - 10 - 2(1) - 2(3)}\\\mathsf{= 36 - 10 - 2(1) - 2(3)}\\\mathsf{= 26 - 2(1) - 2(3)}\\\mathsf{= 26 - 2 - 2(3)}\\\mathsf{= 24 - 2(3)}\\\mathsf{= 18}[/tex]


[tex]\huge\text{Therefore, your answer should be:}[/tex]

[tex]\huge\boxed{\mathsf{18}}\huge\checkmark[/tex]



[tex]\huge\text{Good luck on your assignment \& enjoy your day!}[/tex]



~[tex]\frak{Amphitrite1040:)}[/tex]

A map has a scale of 1 inch=35 miles. What is the actual distance if the distance on the map is 3.5 inches

Answers

Answer:

112.5 miles

Step-by-step explanation:

scale: 1 inch= 35 miles

this means that for every inch on a map, that is 35 miles in real life.

if the distance on a map is 3.5 inches, and you want to find out how much the distant would be in real life, all you have to do is:

3.5 x 35 = 112.5

Gordon, June and Sushil share some sweets in the ratio 4:4:3. Gordon gets 11 more sweets than Sushil. How many sweets are there altogether?​

Answers

Answer:

121

Step-by-step explanation:

4:4:3

4x-3x=11

x=11

Gordon 44

June 44

Sushil 33

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