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pishuonlain [190]
3 years ago
11

the average or the blank is the blank divided by the blank or the amount of numbers being divided is what ​

Mathematics
1 answer:
wel3 years ago
8 0

Answer:

Numerrator is the denominator divieded by the other equations is the sum.

Step-by-step explanation:

Hope I helped

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The length of a rectangle is (x+5)cm the width is 5x write an exspresion for the perimiter of the rectangle
den301095 [7]
Perimeter = 2(width) + 2(length)
w = 5x
l = x + 5

P = 2(5x) + 2(x + 5)
P = 10x + 2x + 10
P = 12x + 10
6 0
3 years ago
Please help I really do not understand this yeah I can be weird sometimes but please help will mark the correct answers brainies
NISA [10]

Answer:

Step-by-step explanation:

1.0.39

2.0.33

3.Loose

4.0.14

I did the first four... hope that helps

3 0
3 years ago
What is the volume, in cubic cm, of a rectangular prism with a height of 10cm, a width of 20cm, and a length of 11cm??
Alex787 [66]

here's the solution,

=》volume = l × b × h

where,

  • l = lenght
  • b = width
  • h = height

so,

=》

v = 11 \times 20 \times 10

=》

2200

so, volume = 2200 cm³

7 0
3 years ago
The area of the rhombus is 540 cm2; the length of one of its diagonals is 4.5 dm. What is the distance between the point of inte
malfutka [58]

1. The area of the rhombus can be found by the formula

A=\dfrac{d_1\cdot d_2}{2}, where d_1,\ d_2 are rhombus's diagonals.

Note that d_1=4.5\ dm=45\ cm, then

540=\dfrac{45\cdot d_2}{2},\\ \\540\cdot 2=45d_2,\\ \\d_2=24\ cm.

2. The diagonals of rhombus are perpendicular and are bisectors of each other. Then the triangle formed with halfs of diagonals is right triangles with legs

\dfrac{d_1}{2}=22.5\ cm,\ \dfrac{d_2}{2}=12\ cm.

The hypotenuse of this triangle is the rhombus's side. By the Pythagorean theorem

\text{rhombus's side}^2=(22.5)^2+12^2=506.25+144=650.25,\\ \\\text{rhombus's side}=25.5\ cm.

3. The distance between the point of intersection of the diagonals and the side of the rhombus is the height of right triangle considered above.

Use twice the Pythagorean theorem to find this height:

\left\{\begin{array}{l}x^2+h^2=12^2\\(25.5-x)^2+h^2=22.5^2,\end{array}\right.

where x is projection of leg 12 cm and h is height.

Subtract the first equation from the second:

(25.5-x)^2+h^2-x^2-h^2=22.5^2-12^2,\\ \\650.25-51x=506.25-144,\\ \\51x=650.25-362.25=288,\\ \\x=\dfrac{96}{17}\ cm.

Then

h^2=144-\left(\dfrac{96}{17}\right)^2=144-\dfrac{9216}{289}=\dfrac{32400}{289},\\ \\h=\dfrac{180}{17}\ cm.

Answer: h=\dfrac{180}{17}\ cm.

7 0
3 years ago
Read 2 more answers
Chris is 6 feet tall. To find the height of a tree, he measures his shadow and the tree's
Ket [755]

Answer:

click the the photo to see better

Step-by-step explanation:

6 0
3 years ago
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