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Sergeeva-Olga [200]
3 years ago
14

Help! how do i answer this

Mathematics
1 answer:
navik [9.2K]3 years ago
7 0
Idk but ima try to figure it out ok
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In simplified exponential notation, the expression a²·a -3·a=<br><br> A 1/a<br> B 0<br> C 1
dalvyx [7]
Answer a^3-3a

a^2 times a = a^3 you add exponents
4 0
3 years ago
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Convert 65 millimeters to centimeters<br> Pls help me on this question
miss Akunina [59]

Answer:

Its 6.5

Step-by-step explanation:

4 0
2 years ago
The sum of two numbers is 52. If one number is 76 times the second number, then find the largest number out of the two.
butalik [34]

Answer:

72 +1 , If u = A 8 1 - 2 ( ( + + +1 )– flog ( 3 + 3 / 3 ) ? v1m * + n + 13 ) 4 1 ; then 2 If c ... of any number of such MATHEMATICS . triangles ; and ( 3 ) find the mean value of ... 72 = 62 + 69 , 73 = 82 + 39 , 75 = 72 + 52 . the in - centre and centroid . ... 4n + 1 , or 4n + 2 ,

Step-by-step explanation:

7 0
3 years ago
Find the area of the triangle with the given measurements. Round the solution to the nearest hundredth if necessary. B = 67°, a
kvasek [131]

Among many other formulas, the area of a triangle is


S = \frac 1 2 a c \sin B


where B is the angle between sides a and c.


S=\frac 1 2(10)(20) \sin 67^\circ \approx 92.05 \textrm{ sq cm}



Answer: 92.05 sq cm, first choice


Bonus. Here's a formula for the area S of a triangle your teacher doesn't know:


16S^2 = 4a^2b^2 -(c^2-a^2-b^2)^2=(a^2+b^2+c^2)^2-2(a^4+b^4+c^4)



7 0
3 years ago
Convert the following using dimensional analysis:<br><br> 13.2 cm to ft &amp; in
spayn [35]
Multiply (13.2 cm) by (1 inch/2.54 cm). That gives you the whole length in inches. If it's more than 12, then take as many 12s away from it as you can, and call each of those '1 foot'. When you can't take 12 away any more, then what you have left is the inches.
6 0
3 years ago
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