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Zinaida [17]
3 years ago
14

Factor the expression

Mathematics
1 answer:
marusya05 [52]3 years ago
6 0
Hehebegwv sorryhdhd emwbehw Evers eve
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Find the value of x. Round to the nearest tenth.<br> Answers<br> A-12.5<br> B-10<br> C-13<br> D-9.7!
kvasek [131]

Answer:   A.  12.5

<u>Step-by-step explanation:</u>

cos\ \theta=\dfrac{adjacent}{hypotenuse}\\\\\\cos\ 28^o=\dfrac{11}{x}\\\\\\\rightarrow\ x=\dfrac{11}{cos\ 28^o}\\\\\\\rightarrow\ x=12.46\\\\\\\rightarrow\ \boxed{x=12.5}\qquad rounded\ to\ the\ nearest\ tenth

6 0
3 years ago
Read 2 more answers
1 For each line
Elena-2011 [213]

Step-by-step explanation:

I'll do line A for you and you can use the formulas to solve lines B and C yourself, since its good for you to practice doing these questions yourself

a)

The gradient, m, is calculated using m = (y2-y1)/(x2-x1) where x1,x2,y1 and y2 can be any ordered pairs on the line.  I'm going to use (4,0) and (7,3) as the 2 points.

m = (3-0)/(7-4) = 3/3 = 1

b)

The y-intercept is where the line intersects with the x-axis. In this case (0,-4)

c)

The equation of a linear line is y=mx+b (or c depending on which country you are from)

y = 1x-4

y=x-4

Now try the other 2 lines yourself!

If this answer has helped you, considered making this the brainliest answer!

5 0
3 years ago
In each box, 15% of the total candies are cherry flavored. In a box of 20 candies, how many are cherry flavored?
adoni [48]
3 are cherried flavored.
6 0
3 years ago
Read 2 more answers
Sarah opened a savings account with a $725 deposit. This account earns 3.5% annual interest compounded twice each month. How lon
Karolina [17]
Jody invested less in an account paying simple interest than she did in an account paying simple interest. At the end of the first year, the total interest from both accounts was Find the amount invested in each account.
7 0
2 years ago
The radius of the Moon is 1700 km, and the radius of the Earth is 6350 km. A scale model of the Earth and the Moon is made. In t
Reil [10]

Answer:

1) 12.7 cm

2) 8580.24 cm³

Step-by-step explanation:

given,

Radius of moon(Rm) = 1700 Km              Radius of Earth(Re) = 6350 km

Model radius of Moon(Mm) = 3.4 cm        

2) Volume of earth model =\dfrac{(R_e)^3}{(R_m)^3}\times \dfrac{4}{3}\pi (M_m)^3

                                       = \dfrac{(6350)^3}{(1700)^3}\times \dfrac{4}{3}\pi (3.4)^3

                                       = 8580.24 cm³

1) radius of earth = \dfrac{R_e}{R_m}\times M_m

                        =  \dfrac{6350}{1700}\times 3.4

                        = 12.7 cm

3 0
3 years ago
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