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vlada-n [284]
3 years ago
15

Write 52,640 in scientific notation. Please​

Mathematics
2 answers:
DanielleElmas [232]3 years ago
8 0

Answer:

5.264 * 10^4

Step-by-step explanation:

We put a decimal point to the right of the number, so

52640.

Then we move it to the left until we get a number that is between 1 and 10.

5.2640

This was four hops to the left.

We can remove the trailing 0, and write

5.264 * 10^4

10^4 because of the four hops

natka813 [3]3 years ago
7 0

Answer:

5.264×10^4

Step-by-step explanation:

10^4 = 10,000 x 5.264 = 52,640

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4 years ago
Show all caclulations for credit! The coordinates of the vertices of triangle ABC are A(-1,3), B(1,2) and C(-3,-1). Determine th
Marina86 [1]
Slope (m) of a line = (y2-y1)/(x2-x1)
So for line AB, the slope is (3-2)/(-1-1)
= 1/-2 = -1/2
For line AC = (3--1)/(-1--3) = (3+1)/(3-1)
= 4/2 = 2
For line BC = (2--1)/(1--3) = (2+1)/(1+3)
= 3/4
In order for an angle (<) to be right, it must be 90°, so the two lines making the right angle must be perpendicular. Perpendicular lines by definition have slopes that are the negative reciprocal. That means that you change the sign of one line's slope (m) and divide 1 by it:
m2 = 1/-m1
So for lines AB and AC: m(AC) = 1/-m(AB),
does 2 = 1/--1/2? YES!! 1/--1/2 = 1/1/2 = 2, so < BAC is 90° and therefore a right <
How about for lines AB and BC: m(BC) = 1/-m(AB), does 3/4 = 1/--1/2? NO, because 1/--1/2 = 1/1/2 = 2, not = to 3/4, so < ABC is not right
How about our last < BCA: m(AC) = 1/-m(BC), does 2 = 1/-3/4? NO, because 1/-3/4 = -4/3, not = to 2, so < BCA is not right
So yes, the triangle is a right triangle because < BAC is right (=90°)!
4 0
4 years ago
Identify the hypotenuse.<br><br>A. MN<br>B. LN​
ohaa [14]

Answer:

The hypotenuse is line segment MN.

Step-by-step explanation:

*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^

The angle 90 degrees (also represented by the red line on angle L) always always is opposite to the hypotenuse. Since angle L is 90 degrees, it is opposite of the hypotenuse, which is MN.

*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^*^

#teamtrees #WAP (Water And Plant)

7 0
3 years ago
HURRY PLEASE<br> Which term is like -4k?<br> A. -4<br> B. -2<br> C. 12k
Igoryamba

Answer:

A.-4

Step-by-step explanation:

6 0
3 years ago
a fast food restaurant can produce a hamburger for $2.50. if the restaurant's daily sales are increasing at the rate of 30 hambu
anyanavicka [17]

Answer:

The daily cost of hamburger is increasing by $75

Step-by-step explanation:

The fast food restaurant produce  a hamburger at $2.50

if the sales are increasing by 30 hamburger per day,

then the daily cost if hamburger is increasing by:

$2.50 × 30 hamburger per day

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