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tester [92]
3 years ago
10

In a random sample of students at a middle school 24 wanted to change the mascot and 30 wanted to keep the current mascot which

is the best prediction for how many of the total 1,140 want to keep the current mascot
507 students

600 students

633 students

950 students


PLEASE HELP!!!!! I WILL GIVE BRAINLIEST!!!!
Mathematics
1 answer:
Yakvenalex [24]3 years ago
7 0
30/54 =x/1,140
30*1140= 34200
34200/54 = 633.33
ANSWER:
Estimated- 633
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Enter your answer and show all the steps that you use to solve this problem in the space provided.
shutvik [7]

Answer:

Step-by-step explanation:

we are given

(A)

(f×g)(x)=f(x)*g(x)

now, we can plug it

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(B)

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Firstly, we will find domain  of f(x) , g(x) and (fxg)(x)

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∪

Domain of g(x):

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∪..............Answer

Range:

Firstly, we will find range of f(x) , g(x) and (fxg)(x)

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6 0
3 years ago
if alpha and beta are the zeros of the quadratic polynomial FX = x square - 5 x + 4 find the value of one by alpha + 1 by beta-2
Kryger [21]

Answer:

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5 0
3 years ago
An animal feed to be mixed from soybean meal and oats must contain at least 168 lb of protein, 27 lb of fat, and 14 lb of minera
atroni [7]

Answer:

The animal farm should buy 1.775 bags of soybeans and 1.575 bags of oats

Cost = 51.275

Step-by-step explanation:

The given parameters can be summarized as:

\begin{array}{cccc}{} & {x} & {y} & {Total} & {Protein} & {70} & {21} & {168} &{Fats}& {9} & {7} & {27} & {Minerals} & {7} & {1} & {14}& {Cost} & {21} & {7} & {} \ \end{array}

Where: x = Soybeans and y = Oats.

So, the system of equations are:

70x + 21y = 168

9x +7y = 27

7x + y = 14

Cost = 21x + 7y

The best way to solve this, is using graph

Plot the following equations on a graph, and get the points of intersection:

70x + 21y = 168

9x +7y = 27

7x + y = 14

From the attached graph, we have:

(x_1,y_1) = (1.636,2.545)

(x_2,y_2) = (1.775,1.575)

(x_3,y_3) = (2.023,1.256)

Substitute each of the values of x's and y's in the cost function to get the minimum cost:

Cost = 21x + 7y

(x_1,y_1) = (1.636,2.545)

Cost = 21 * 1.636 + 7 * 2.545

Cost = 52.171

(x_2,y_2) = (1.775,1.575)

Cost = 21 * 1.775 + 7 * 1.575

Cost = 48.3

(x_3,y_3) = (2.023,1.256)

Cost = 21 * 2.023 + 7 * 1.256

Cost = 51.275

The values of x and y that gives the minimum cost is:

(x_2,y_2) = (1.775,1.575)

and the minimum cost is:

Cost = 48.3

Hence, the animal farm should buy 1.775 bags of soybeans and 1.575 bags of oats

5 0
3 years ago
Which answer is the equivalent of sin x?<br> A. tan y<br> B. cos x<br> C. tan x<br> D. cos y
trapecia [35]
Sin x = cos y

Angles x and y a complementary.
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3 0
3 years ago
Read 2 more answers
For the cereal box, name each of the following
zaharov [31]

Answer:

AB , AD , EF , EH all intersect AE ⇒ answer (c)

Step-by-step explanation:

∵ AE segment passing through A and E

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∴ EF intersects AE at E

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Step-by-step explanation:

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