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Kamila [148]
4 years ago
14

Can someone help me​

Mathematics
1 answer:
rosijanka [135]4 years ago
7 0

Answer:

s = 11

Step-by-step explanation:

Given

\frac{3}{8} = \frac{s-2}{24} ( cross- multiply )

8(s - 2) = 72 ( divide both sides by 8 )

s - 2 = 9 ( add 2 to both sides )

s = 11

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Giving brainiest+points need explanation on this one my answer is 25 is it right?
natka813 [3]
Known facts:
A line shaft rotating at 250 rpm, a grinder shaft that turns at 1200 rpm diameter of grinder pulley is 5 inches.

1. Proportion equation
350/1200 = 5/x

2. Cross multiply 
1200*5=250*x
x=(1200*5)/250 = (24*50*5)/(5*50) = 24
The big wheel diameter is 24 inches


8 0
3 years ago
OFind the missingangle measures.B.m 41 =9058°A4m 42 =31089Em 3 =o
Anastaziya [24]

step 1

Find the measure of angle 1

REmember that the sum of the interior angles in any triangle must be equal to 180 degrees

so

In the triangle ABC

90+58+<1=180

148+<1=180

<1=180-148

<1=32 degrees

step 2

Find the measure of angle 2

we know that

<2=<1 -----> bt vertical angles

so

<2=32 degrees

step 3

Find the measure of angle 3

REmember that the sum of the interior angles in any triangle must be equal to 180 degrees

so

In the triangle CDE

32+108+<3=180

140+<3=180

<3=180-140

<3=40 degrees

3 0
1 year ago
The set of possible values of m is {5,7,9}. What is the set of possible values of k if 2k=m+3?
Paladinen [302]
Just plug in the values for m

so the possible values for k are
when m=5
2k=5+3 \\ k=4
when m=7
2k=7+3 \\ &#10;k=5
when m=9
2k=9+3 \\ k=6
so the possible values for k are {4,5,6}
4 0
4 years ago
Which of the following is true of the data represented by the box plot
zmey [24]

Answer:

The data is skewed to the bottom and contains an outlier.  

Step-by-step explanation:

1. Test for outlier

An outlier is a point that is more than 1.5IQR below Q1 or above Q3.  

IQR = Q3 - Q1 = 74 - 51 = 23

1.5 IQR  = 1.5 × 23 = 34.5

51 - 15 = 36 > 1.5IQR

The point at 15 is an outlier.

2. Test for normal distribution

The median is not in the middle of the box.  

Rather, it cuts the box into two unequal parts, so the data does not have a normal distribution.

3. Test for skewness

The longer part is to the left of the median, so the data is skewed left.

 

4 0
3 years ago
What is the value of x?<br><br> x-2/5=7
arsen [322]
X=37/5
or 7.4 in decimal form

3 0
3 years ago
Read 2 more answers
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