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miss Akunina [59]
3 years ago
14

Plz help me someone!

Mathematics
2 answers:
Rainbow [258]3 years ago
8 0

Answer:

Step-by-step explanation:

The answer is b and d

adoni [48]3 years ago
4 0

Answer:

m+5nx(9-p)-6-2r

Step-by-step explanation:

here you go

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Please help Ill give brainiest!
Sliva [168]

Answer:

H. 4c <60

Step-by-step explanation:

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2 years ago
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A research center conducted a telephone survey of 2,000 adults to learn about the major economic concerns for the future. The su
Oxana [17]

Answer:

0.81

Step-by-step explanation:

Find the point estimate by dividing the number of respondents that thought it was a major economic concern by the total number of people in the survey:

1,620/2,000

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6 0
3 years ago
Peter is making an "X marks the spot" flag for a treasure hunt. The flag is made of a square white flag with sides of 12 centime
zheka24 [161]

Answer:

34 cm

Step-by-step explanation:

The actual question is How many inches of ribbon Peter will need to make the "X".

Using the Pythagorean theorem, the length of the diagonal of a square with 12 cm sides is:

d^2=12^2+12^2\\d=\sqrt{288}\\ d=16.97\ cm

Since the "X" requires two diagonals, the length of ribbon required is:

L=2*16.97\\L=34\ cm

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6 0
3 years ago
What is the standard form of 1.46e-6
GalinKa [24]
Standard form would be 1.46e-6 because the variable has one degree and the number 6 does not have a degree.
3 0
3 years ago
A regular octagon with side length a cm can be made by cutting off
Ksivusya [100]

Answer:

one side = \frac{a\sqrt{2}}{2}

Step-by-step explanation:

if you draw an octagon on a piece of paper, you can draw a square around it, you should be able to see a diagram of this attached, ignore the 6.

Let's say TP = a

since it's a regular octagon, TP = HT

and using the Pythagoras Theorem,  we know a² + b² = c² and thus:

√(AT² + HA²) = HT

and since AT = HA which we will call x, the equation becomes:

√(2x²) = HT = a

rearrange the equation to solve for x and you get:

2x² = a²

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x = \frac{a}{\sqrt{2}}

which, if you rationalise the denominator, you get:

x = \frac{a\sqrt{2}}{2}

5 0
3 years ago
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