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Liono4ka [1.6K]
3 years ago
8

145.99 x 2.80 plz show work

Mathematics
2 answers:
sineoko [7]3 years ago
4 0
145.99
x    2.8
______
  117692   First) multiply 8 by 9, 9, 5, 4 and 1
+ 29980  Then) put a 0 and multiply the 2 by the 9, 9, 5, 4, and 1
______ Add them together to get...
408772
carry the decimal 3 places to get...
408.772

iragen [17]3 years ago
4 0
408.772 I don’t have time to show work sorry!
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How to graph y= -X-3
sukhopar [10]

Step-by-step explanation:

It's the equation of a line.

We need only two points to the plotting a graph of a line.

y = -x - 3

for x = -3

y = -(-3) - 3 = 3 - 3 = 0 → (-3, 0)

for x = 0

y = -0 - 3 = 0 - 3 = -3 → (0, -3)

6 0
4 years ago
A volume of a coin is 113.04 mm2 what is the approximate of a sphere that has the same height and a circular base with the same
tia_tia [17]

We have been given that the volume of a cone is 113.04 cubic mm. We are asked to find the approximate volume of a sphere that has the same height and a circular base with the same diameter.

We know that volume of cone is \frac{1}{3}\pi r^2\cdot h.

The height is equal to the diameter. We know that diameter is 2 times radius, so we can represent this information in an equation as:

h=2r

Upon substituting h=2r in volume of cone, we will get:

V=\frac{1}{3}\pi r^2\cdot 2r

V=\frac{2}{3}\pi r^3

We know that volume of sphere is V=\frac{4}{3}\pi r^3.

Upon comparing volume of cone with volume of sphere, we can see that volume of sphere is 2 times the volume of cone.

V=2(\frac{2}{3}\pi r^3)

Since \frac{2}{3}\pi r^3=113.04, so volume of sphere would be:

V=2(113.04)

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4 0
3 years ago
A=4/0,02<br> b=1/2<br> c=2/0,1<br><br> a+b<br><br> a.b/c+a
notka56 [123]

Answer:

good job.

Step-by-step explanation:

5 0
3 years ago
Item 1<br> Find the dimensions of the square.<br><br> Area = 441 cm²
mafiozo [28]

Answer:

21 cm by 21 cm

Step-by-step explanation:

The formula for the area of a square is A = x^2, where x is the length of any one side of the square.  Here,

441 cm² = x²

This actually has two roots:  {√441, -√441), but since x must be positive here, to be a dimension of the square, we choose +√441, or +21.

The dimensions of the square are 21 cm by 21 cm.

3 0
3 years ago
What is 1/5 times 7/20
djverab [1.8K]
\dfrac{1}{5} \times   \dfrac{7}{20}  =  \dfrac{7}{100}
5 0
3 years ago
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