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Ainat [17]
3 years ago
6

542 In Science notation. 

Mathematics
1 answer:
Rudik [331]3 years ago
4 0
5.42 x 10^2 in Science notation!
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HELP PLSSSSS Triangle ABC is an equilateral triangle. The angle bisectors and the perpendicular bisectors meet at D in such a wa
vazorg [7]
CE = CD + DE = 2DE + DE = 3DE = 8.7

DE = 8.7/3 = 2.9
CD = 2DE = 5.8

For the inscribed circle, where center is point D. The radius is length DE.
This is because the circle will touch the 3 points where the bisectors intersect with sides of triangle.
radius = 2.9

For circumscribed circle, the center will also be point D. The radius is CD.
The circle will touch 3 points of triangle, A,B,C.
radius = 5.8
6 0
3 years ago
A small submarine starts at –1,080 feet in relation to sea level. Then it descends 8 feet per minute for 11 minutes. What expres
BARSIC [14]

Answer:

-1,080 + (-8)(11)

Step-by-step explanation:Well for one it has to be -1,080 becuase it already starts as a neagtive. So the answer has to -1,080 + (-8)(11) becuase you adding/mutpilying  8 x 11

6 0
3 years ago
The value of the expression -2 xy for x = -4.7 and y = 0.2 is _____.
sergeinik [125]

The value of the expression -2xy for x = -4.7 and y = 0.2 is 1.88. Thus option number 3 is correct.

<u>Solution:</u>

We have been given an expression that is -2xy and have been asked to find its value for the given values of x and y

The given values of x and y are -4.7 and 0.2 respectively.

To find the value of the expression for the given values of x and y we substitute the values of x and y in the given expression and solve it as follows:

Given expression = -2xy

\begin{array}{l}{=-2(-4.7)(0.2)} \\\\ {=9.4 \times 0.2} \\\\ {=1.88}\end{array}

Hence the option number 3 is correct.

4 0
3 years ago
Read 2 more answers
Please help , 1-10 , thanks !
PSYCHO15rus [73]

Answers:

22

9

20

17

20

35

26

32

23

9

6 0
3 years ago
Solve the following setting up proportion, cross multiply, and solve for unknown or use (whole)​
Alekssandra [29.7K]

Answer:

60%

Step-by-step explanation:

73:120*100=

(72*100):120=

7200:120=60

7 0
2 years ago
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