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3 years ago

Can someone please help me with this, this is my only try, please answer with the CORRECT answer.

Mathematics

2 answers:

olga_2 [115]3 years ago

5 0

The scale factor is 0.25 or 1/4 (fraction)

Vikentia [17]3 years ago

5 0

The scale factor is 0.25.

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Reyesburg Corporation is contemplating using a new, more expensive glue in the construction of its laminated veneer lumber. Of i

Leokris [45]

Answer:

The mean carrying load of the beams tested is 908.7 pounds per square foot

Step-by-step explanation:

1. Data class 1: 860-879

Midpoint 1: M1=(860+879)/2=1,739/2→M1=869.5

Number of values in data class 1: n1=2

2. Data class 2: 880-899

Midpoint 2: M2=(880+899)/2=1,779/2→M2=889.5

Number of values in data class 2: n2=5

3. Data class 3: 900-919

Midpoint 3: M3=(900+919)/2=1,819/2→M3=909.5

Number of values in data class 3: n3=10

4. Data class 4: 920-939

Midpoint 4: M4=(920+939)/2=1,859/2→M4=929.5

Number of values in data class 4: n4=6

5. Data class 5: 940-959

Midpoint 5: M5=(940+959)/2=1,899/2→M5=949.5

Number of values in data class 5: n5=1

Mean=Sum(Mi*ni)/Sum(ni)

Mean=(M1*n1+M2*n2+M3*n3+M4*n4+M5*n5)/(n1+n2+n3+n4+n5)

Mean=(869.5*2+889.5*5+909.5*10+929.5*6+949.5*1)/(2+5+10+6+1)

Mean=(1,739+4,447.5+9,095+5,577+949.5)/(24)

Mean=(21,808)/(24)

Mean=908.6666666

Rounding to one decimal place:

Mean=908.7

3 0

3 years ago

Identify the type of polar graph for the equation: r = 3-5cos θ aLimacon with inner loop bCardioid cDimpled limacon dConvex lima

svp [43]

Given the equation:

$r=3-5\cos \theta$

Let's identify the type of polar graph for the equation.

To identify the type of polar graph, use the formula below to get the Cartesian form:

$(x^2_{}+y^2)=r(\cos \theta,\sin \theta)$

Thus, we have:

$(x^2+y^2)=3\sqrt[]{x^2+y^2}-5x$

We have the graph of the equation below:

We can see the graph forms a Limacon with an inner loop.

Therefore, the type of polar graph for the given equation is a limacon with inner loop.

ANSWER:

5 0

1 year ago

Is 45/5 equal to a whole number

scoray [572]

Yes, indeed it does equal a whole number. 45/5 equals 9, which is a whole number. Whole numbers are numbers that you count up from and including 0 (0,1,2,3,4,5,6...)

You get 9 because 45/5 is the same as 45 divided by 5 which is 9.

5 0

3 years ago

How many people can be in a room if the room is 16 x 12 feet and is required to have at least 7 square feet between each person

Nookie1986 [14]

This room can fit at least 73 people in it

8 0

3 years ago

70 is 160% of what number

shutvik [7]

43.75 is your answer

3 0

3 years ago

Read 2 more answers