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pantera1 [17]
3 years ago
13

Help me with fractions. Please look at the picture before solving. Circle 1/5 of all the triangles. Mark X's on 2/3 of the trian

gles. There are 15 triangles by the way.

Mathematics
2 answers:
Irina-Kira [14]3 years ago
6 0
1/5 are 3 triangles
2/3 are 10 triangles
Amiraneli [1.4K]3 years ago
4 0
1/5 of the triangles is 3 triangles
2/3 of the triangle is 10
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a sculpture is formed from a cylinder resting on top of a cuboid. the cylinder has a radius 40cm and height 70cm. the cuboid mea
frosja888 [35]

<u>Answer-</u>

\boxed{\boxed{\text{Mass}=10.0447256\ ton}}

<u>Solution-</u>

The dimensions of the cuboid is, 80×80×140 cm

So, its volume will be =80\times80\times140=896000cm³

The dimensions of the cylinder is, radius = 40cm, height = 70cm

So, its volume will be \pi r^2h=\pi\times40^2\times70=351792cm³

Total volume,

V=V_{\text{Cylinder}}+V_{\text{Cuboid}}\\\\=351792+896000\\\\=1247792\ cm^3

As we know,

\Rightarrow \text{Density}=\dfrac{\text{Mass}}{\text{Volume}}

\Rightarrow \text{Mass}=\text{Density}\times \text{Volume}

\Rightarrow \text{Mass}=8.05\times 1247792=10044725.6\ g

\Rightarrow \text{Mass}=10044725.6\times 10^{-6}=10.0447256\ ton


8 0
3 years ago
If, in a right triangle,
Reptile [31]
Elijahlouis, I will not sure how I am going on with my friends. we will need the following
6 0
2 years ago
A line that includes the point (-11,-1) has a slope of 1. What is it's equation in slope intercept form.
Natali5045456 [20]

Answer:

y - 1 = 1( x -11)

Step-by-step explanation:

I hope this helps you out!

3 0
2 years ago
I need help with this question: Label: Coefficients, variables, terms, and constant. −2x2 + 9x − 3
iVinArrow [24]

Answer:

  coefficients: {-2, +9, -3}

  variables: {x}

  terms: {-2x^2, 9x, -3}

  constant: {-3}

Step-by-step explanation:

It is difficult to "label" here, so we'll list each, separated by commas.

<u>Coefficients</u>

Coefficients are the multiplicative factor of an expression. Depending on the expression of interest, it may consist of numbers, variables, or expressions. Here, we consider the expression of interest to be powers of x, so the coefficients are as listed. The last one (-3) is sometimes called a "constant coefficient." It multiplies x^0.

  coefficients: {-2, +9, -3}

<u>Variables</u>

A variable is usually a letter, symbol, or sequence of letters and symbols, that stands for something else--usually an unknown quantity. Its meaning and value will depend on the context. Generic variables are usually taken from the end of the alphabet: x, y, z. Their capitalization, font, or face may give special meaning. For example bold-face capital letters may be used to represent vectors or matrices.

  variables: {x}

<u>Terms</u>

A term is a product of coefficients and variables. Terms in a polynomial are separated by addition or subtraction symbols.

  terms: {-2x^2, 9x, -3}

<u>Constant</u>

"Constant" usually refers to a term containing no variables. It generally refers to a value that doesn't change.

  constant: {-3}

8 0
3 years ago
dennis ran a mile in 593.7 seconds.martina ran a mile in 573.36 seconds. what was the difference in their running times? A-5.14
Svetlanka [38]

subtract them

593.7-573.36 = 20.34seconds

 so c is the answer


8 0
3 years ago
Read 2 more answers
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