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guapka [62]
2 years ago
9

What is the simplified form of each expression?

Mathematics
1 answer:
Mandarinka [93]2 years ago
3 0

Answer:

-(10)^-1 = A. -1/10

y^-5/x^-3 for x = 2 and y = -4. C. -1/128

Is the number written in scientific notation, if not explain, 5.1 x 10^-8? A. Yes; the number is written in scientific notation

What is the number written in standard notation 5.71 x 10^-3? D) 0.00571

Suppose that the diameters of different types of hairs are 1.7 x 10^-4 cm, 1.4 x 10^-3 cm, 1.2 x 10^-5 cm, and 1.9 x 10^-4 cm? What is the order of the hairs from least to greatest's diameter? B. 1.2 x 10^-5, 1.7 x 10^-4, 1.9 x 10^-4, 1.4 x 10^-3

What is the expression written using each base only once (-4) ^-6 (-4) ^7? B. -4

Find the simplified form of the expression. Give your answerer in scientific notation.

(3 x 10^6) (8 x 10^-4) B. 2.4 x 10^3

What is the simplified form of the expression (m^7) ^2? D. m^14

What is the simplified form of the expression t^8 (t^10) ^0? C. t^8

What is the simplified form of the expression (3q^2) ^4?

D. 81q^8

What is the simplified form of the expression (3xy^3) ^2(xy) ^6? A. 9x^8 y^12

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[ Trigonometry ]
PSYCHO15rus [73]

Hello from MrBillDoesMath!

Answer:

B = 67.4 degrees  (approximately)


Discussion:

From plane trigonometry

sin(B) = side opposite angle B \ hypotenuse

         =  12/13

Use a calculator (take the inverse sine of 12/13) gives

B = 67.4


Thank you,

MrB

3 0
4 years ago
The vertices of rhombus DEFG are D(1, 4), E(4, 0), F(1, –4), and G(–2, 0).
Marianna [84]
The length of DE=sqrt((1-4)^2+(4-0)^2)=sqrt(3^2+4^2)=5
In principle, a rhombus has four equal sides, so the perimeter is 4*5=20 (units)

However, to ensure there is no typo, it is advisable to calculate separately the length of each and every side.
8 0
3 years ago
Read 2 more answers
Will give brainliest
kodGreya [7K]
18-3=15
Originally pay 25 = 75
450-75=375
375 + 75 = 450

C) 18 people were originally going on the trip and 15 are going now.

Idk about D
3 0
3 years ago
PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER
Alex777 [14]

Answer:

Its D

Step-by-step explanation:

x = 1

x = -1

 x=  0.0000 - 3.0000 i

 x=  0.0000 + 3.0000 i

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "x2"   was replaced by   "x^2".  4 more similar replacement(s).

Step by step solution :

Step  1  :

Equation at the end of step  1  :

 ((((((x6)-(2•(x5)))+(9•(x4)))-24x3)-x2)+18x)-9  = 0

Step  2  :

Equation at the end of step  2  :

 (x6)-(2•(x5)+(32x4)-24x3)-x2)+18x)-9  = 0

Step  3  :

Equation at the end of step  3  :

 (x6)-2x5)+32x4)-24x3)-x2)+18x)-9  = 0

4 0
3 years ago
Need help number 13 <br><br>4 grade answer
Vedmedyk [2.9K]
I dont see anything maybe you forgot to add the answer'

8 0
3 years ago
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