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3 years ago

Three consecutive odd integers have a sum of 39 find the integers

Mathematics

1 answer:

Tema [17]3 years ago

4 0

11 13 and 15 are the three odd integers

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After a researcher adds 5 points to every score in a sample, the standard deviation is found to be s = 10. the original sample h

12345 [234]

A, true.

If you add 5 points to every score, that makes the difference between them 5 points higher.

4 0

3 years ago

Really need help what’s the answer

Agata [3.3K]

Answer:

1.5

Step-by-step explanation:

The slope is 1.5. If you look at 3 and 4, you can see it increases by 1.5.

3 0

3 years ago

Find the length of the missing side. the triangle not drawn to scale. (Image attached)

3241004551 [841]

Answer: 8

Step-by-step explanation:

The triangle shown in the image attached is a right triangle.

Therefore, to calculate the missing lenght of the triangle you can apply the Pythagorean Theorem, which is shown below:

$a^2=b^2+c^2$

Where a is the hypotenuse and b and c are the legs.

The problem gives you the value of the hypotenuse and the value of one leg. Therefore, you must solve for the other leg from $a^2=b^2+c^2$ , as following:

$17^2=15^2+c^2\\c=\sqrt{17^2-15^2}\\c=8$

Therefore, the lenght of the missing side is: 8

6 0

3 years ago

Read 2 more answers

The expressions 10/12(245b−365) and 2/3(3b+6) represent the lengths of the diagonals of parallelogram WXYZ. For what value of b

makkiz [27]

Answer:

b = 1.52

Step-by-step explanation:

Length of diagonals of a parallelogram = $\frac{10}{12}(245b - 365)$ and $\frac{2}{3}(3b+6)$

If the given parallelogram is a rectangle,

Length of the diagonals will be equal in measure,

Therefore, $\frac{10}{12}(245b - 365)=\frac{2}{3}(3b+6)$

245b - 365 = $\frac{12}{10}\times \frac{2}{3}(3b+6)$

245b - 365 = $\frac{4}{5}(3b+6)$

5(245b - 365) = 4(3b + 6)

1225b - 1825 = 12b + 24

1225b - 12b = 24 + 1825

1213b = 1849

b = $\frac{1849}{1213}$

b = 1.52

5 0

3 years ago

If the angle is preserved, which describes the effect of moving the plane closer to the cone's vertex? Check all that apply.

Sholpan [36]

Let's go though the choices.

Major axis will get shorter. TRUE, CHECK ME

As the plane moves closer to the vertex the ellipse stays the same shape but shrinks.

Ellipse will become a circle. FALSE

As long as the plane is tilted, the ellipse can't be a circle.

Ellipse will degenerate to a point. TRUE, CHECK ME

Eventually the plane gets to the vertex, at which point (ha!) we have a single point.

Nappes? Is that a word? FALSE

The plane needs a steeper angle, steeper than the generators, before it can pass through both halves.

The generators are the lines through the vertex that form the cone. The plane isn't steep enough to hold any of them. FALSE

4 0

3 years ago