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34kurt
3 years ago
12

What to numbers multiply to -38 and add to 17

Mathematics
2 answers:
amid [387]3 years ago
8 0

Answer:

19 and -2

Step-by-step explanation:

19 * -2 = -38

19 + -2 = 17

Hope this helps

Ymorist [56]3 years ago
6 0

Answer:

-2 and 19

Step-by-step explanation:

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1 meter = 0.1 decameters

0.1 * 250 = 25

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What is the circumference of a circle with a diameter of 45 centimeters
Free_Kalibri [48]
Keeping in mind the formula for circumference is Pi x Diameter, you simply multiply 45 by pi.
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Grace is looking at a report of her monthly cell-phone usage for the last year to determine if she needs to upgrade her plan. Th
Alisiya [41]

Answer:

s ≈ 105

Step-by-step explanation:

<u>Given:</u>

  • The data set: 700, 735, 680, 890, 755, 740, 670, 785, 805, 1050, 820, 750

<u>To find:</u>

  • The standard deviation of the data

<u>Steps:</u>

To find the standard deviation, first write the computational formula for the standard deviation of the sample.

{s}= \sqrt{\frac{{\sum}{x^2} - \frac{({\sum}{x})^2}{n}}{n - 1}}

Take the square root of the answer found in step 7 above. This number is the standard deviation of the sample. It is symbolized by s . Here, we round the standard deviation to the nearest whole number.

{s} = \sqrt{10987.878787879} = 104.8231

Rounding to the nearest whole number:

s ≈ 105

6 0
1 year ago
Fill in the table below by naming each prism and identifying the number of faces, vertices, and edges for each one of them.
Zarrin [17]

Answer:

Step-by-step explanation:

A prism is a solid figure and geometric in nature having the shape of its ends parallel to each other and its sides are parallelograms. Each prism are classifies based on the shape of its ends that are parallel to each other.

The name of the prism given in question according to their arrangement <em>from left  to right</em> are triangular prism, trapezoidal prism, pentagonal prism and hexagonal prism.

Triangular prism is made up of 5 faces, 6 vertices  and 9 edges

The trapezoidal prism is made up of 6 faces, 8 vertices  and 12 edges

The pentagonal prism is made up of 7 faces, 10 vertices  and 15 edges

The hexagonal prism is made up of 8 faces, 12 vertices  and 18 edges

3 0
3 years ago
Find the equation of a line parallel to the line 2x-y-9=0 and passing through the point of intersection of the lines 5x+y+4=0 an
Cerrena [4.2K]

Answer:

y=2x-3

Step-by-step explanation:

1. Using the point of intersections, we use the substitution method to find the coordinates of the line parallel to 2x-y-9=0

5x+y+4=0

y= -4-5x

substituting the value of y in 2x+3y=1:

2x +3(-4-5x)=1\\\\2x-12-15x-1=0\\-13x=13x\\x= \frac{13}{-13}= -1

substituting x=-1 in y= -4-5x:

y= 1 (upon solving, you should get this)

(x,y)= (-1,1)

2. Using y=mx+c and making y the subject of the formula 2x-y-9=0 and using the coordinate we found earlier, we will find the equation of the parallel line. (We make y the subject of the formula to find the gradient)

2x-y-9=0\\2x-9=y\\y= 2x-9

y= mx+c\\

-1= 2 x 1 +c

-3=c

  • y= 2x-3

3 0
3 years ago
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