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Nesterboy [21]
3 years ago
15

What is 0.1m + 8 - 12n when m = 30 and n= 1/4

Mathematics
1 answer:
tia_tia [17]3 years ago
3 0

Answer:

8

Step-by-step explanation:

Replace your variables with the numbers given.

0.1m + 8 - 12n =

0.1 · 30 + 8 - 12 · 1/4 =

8

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What will be the unit digit of the square of 7992​
Alina [70]

Answer:

4

Step-by-step explanation:

Here you need not completely solve 7992 squared. You can just take the last digit which in this case is 2 and solve for the square of that digit. 2 x 2 = 4. Now if it was a bigger digit which would result in a two digit number when squared you would take the last digit of that number. But, we don't need to do that here since 2 squared is 4.

7 0
3 years ago
=) The perimeter of a rectangular field is 336 m.
goldenfox [79]

Answer:

Length of the field: 94 m

Width of the painting: 61 cm

Step-by-step explanation:

Use the perimeter formula, P = 2l + 2w, to find the length:

Plug in the perimeter and width into the equation:

P = 2l + 2w

336 = 2l + 2(74)

336 = 2l + 148

188 = 2l

94 = l

So, the length of the field is 94 m.

To find the width of the painting, use the area formula, A = lw

Plug in the area and length into the equation:

A = lw

5795 = 95w

61 = w

So, the width of the painting is 61 cm.

Length of the field: 94 m

Width of the painting: 61 cm

4 0
2 years ago
What is the median of this set of data?
Vladimir [108]

Answer:

The median would be 103.

8 0
3 years ago
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A doctor suspects you might have a certain strain of flu and wants to test your blood for the presence of markers for this strai
lara31 [8.8K]
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3 years ago
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Suppose a triangle has two sides of length 32 and 35, and that the angle
pantera1 [17]

Answer:

The third side is around 58.043

Step-by-step explanation:

Use the law of cosines:  c^2=a^2+b^2-2abcos(C)

Plug in the two sides we know (into a and b) and the angle we know (into angle C).

Thus:

c^2=32^2+35^2-2(32)(35)cos(120)

Use a calculator:

c^2=3369\\

c=58.043087...

(Note: Make sure you're in Degrees mode.)

3 0
3 years ago
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