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krok68 [10]
3 years ago
5

For the scientific notation, write the correct standard form: 3.2 x 10-2

Mathematics
1 answer:
zlopas [31]3 years ago
3 0

Answer:

0.032

Step-by-step explanation:

10-2 means that we move the point 2 places to the left.

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-6.5x + 3 &lt;19-2.5x<br><br> Do y’all now the answer??
Xelga [282]
-6.5x + 3 < 19 - 2.5x

-6.5x + 2.5x < 19 - 3

-4x < 16

-4x/-4 > 16/-4

x > -4
6 0
2 years ago
To determine how many pages would be needed to make 3 books, you can use the equation 138 = (46)3. How many pages would be in 8
ExtremeBDS [4]

Answer:

368

Step-by-step explanation:

just multiply 46 x 8 = 368

5 0
3 years ago
What is the answerrrrr to this
Alex_Xolod [135]
Area = 140

16 x 8 = 128

16-12 = 4

(6x4)/2 = 12

128 + 12= 140
8 0
3 years ago
I would really appreciate it if someone helped answer these 4 questions. I will rate 5 stars. Thank you (:
ELEN [110]

Answer:

7. 13.6

8. 19.5

9. 6.5

10. 12.6

Step-by-step explanation:

Recall the three main trig functions

Sine = opposite / hypotenuse

Cosine = adjacent / hypotenuse

Tangent = opposite / adjacent

( remember hypotenuse = longest side length , opposite = side length opposite of angle , and adjacent = side length thats not the opposite or hypotenuse )

We will use these to solve each problem

7.

We are given :

  • An angle with a measure of 39 degrees
  • The angles opposite side length
  • The adjacent side as the unknown

When dealing with opposite and adjacent we use tangent

We have tan = opp / adj

==> plug in opp = 11 and adj = x as well as given angle 39

tan(39) = 11/x

==> multiply both sides by x

xtan(39) = 11

divide both sides by tan(39)

x = 11/tan(39)

plugging this into a calculator , we get x = 13.6 ( rounded )

8.

We are given :

  • an angle with a measure of 46 degrees
  • the hypotenuse which has a length of 28
  • and the adjacent as the unknown

When dealing with adjacent and hypotenuse we use cos

We have cos = adj / hyp

==> plug in given angle 46 , adj = x and hyp = 28

cos(46) = x/28

==> multiply both sides by 28

x = 28cos(46)

plugging this into a calculator we get  x = 19.5 ( rounded )

9.

We are given :

  • an angle with a measure of 51 degrees
  • its opposite side length with a length of 8
  • the adjacent side length as the unknown

When dealing with the opposite and adjacent we use tangent

We have tan = opp / adj

==> plug in 51 degrees for angle , opp = 8 and adj = x

tan(51) = 8/x

==> multiply both sides by x

xtan(51) = 8

==> divide both sides by tan(51)

x=8/tan51

plugging this into a calculator we get that x = 6.5 ( rounded )

10.

We are given:

  • an angle with a measure of 24 degrees
  • the hypotenuse which has a length of 31
  • the side length opposite of given angle as the unknown

When dealing with the opposite and hypotenuse we use sine

We have sin = opp / hyp

==> plug in angle as 24 , opp = x and hyp = 31

sin(24) = x / 31

==> multiply both sides by 31

31sin(24) = x

plugging this into a calculator we get that x = 12.6 ( rounded )

And we are done!

Let me know if you have any doubts in the comments ! : )

6 0
2 years ago
I need help setting up the equations
Ilya [14]

Answer:

Just multiply the number by the percentage.

Step-by-step explanation:

1. Make the percentage into a decimal (%50= 0.50)

2. Multiply the decimal by the number.

8 0
2 years ago
Read 2 more answers
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