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RoseWind [281]
3 years ago
12

HELPPPP PLEASE no one would answer pleasee

Mathematics
1 answer:
ycow [4]3 years ago
3 0
Hey.. I know you haven’t been able to find much help, but if you are still struggling this might help.

Try to set it up as an equation for example 25x +25=10x +15 and rewrite it in standard form and see if that helps
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The lab experiment is repeated again with the same two glass plates and the same sodium lamp but with a different human hair. Th
OleMash [197]

Answer:

diamerer of the hair (t)  3.11 X 10^{-5} m

Step-by-step explanation:

The first dark spot is at the zero location where the glass plates touch. To find the number of dark fringes after first dark fringe, divide 12 cm by 0.75 mm (.075 cm)

12/.075 = 160.0

total number of additional bright fringe is 156 because there is no further portion for extra dark fringe.

diamerer of the hair (t) can be derived as

2nt = (m + .5)*wavelength

2(1.52)(t) = (160.5)(589.3 X 10^{-9})

t = 3.11 X 10^{-5} m

4 0
3 years ago
Find x if 8.4% of x is 420.The right answer will be marked as brainliest and the wrong answer will be reported
jasenka [17]
I believe 420 is 8.4% of 5,000. So x= 5,000.
4 0
3 years ago
Please help me before i fail!! Find the solution(s) of the following equation.
TEA [102]

Answer: A or B but really A

Step-by-step explanation:

c² = 144/169

√c² = √144/169

c = 12/13

  or

-12/13² = 144/169

Hope that helped! I recommend choosing A

6 0
3 years ago
Read 2 more answers
In the floor tile pattern, the figure is a square and the two triangles are congruent.
Licemer1 [7]

Answer:

7.1

Step-by-step explanation:

Since it is a square you can use the Pythagorean theorem (a²+b²=c²) by filling in what you know. a²=5 and b²=5 so you have 5²+5²=c². This simplfies to 25+25=c². Now you simplify again to get 50=c². Finally you have to square root everything because the equation can't end in c², it has to be the most simplified it can be. This equals ≈7.1

8 0
3 years ago
The coefficient of the term 76x2 is: <br><br> (2 is the exponent of 76x)
Lady_Fox [76]
The definition of a coefficient is the number BEFORE the variable. So in 76x^2, the coefficient is 76.<span>
</span><span>
</span>
6 0
3 years ago
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