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jonny [76]
3 years ago
15

WILL GIVE BRAINLIEST FOR CORRECT ANSWER

Mathematics
1 answer:
Neko [114]3 years ago
5 0
To solve this I offer you to download All in one calculator.
if you give the sides or a side and an angle
or a side and hypotenuse, this app will give you the unknown parts of the triangle.
a side is 500m and an angle is 80 (90-10=80)
x will be 2879.39
hope this helps
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Can someone help me thanks!
ollegr [7]

Answer:

C

Step-by-step explanation:

- choose any 2 sets of corresponding values and use the formula

( y2 - y1 ) / ( x2 - x1 )

you'll get -3/4

7 0
3 years ago
How much of 30% HCI and 45% HCI would be needed to mix and produce 50 liters of 35% HCI
VladimirAG [237]

Answer:

  • 33 1/3 liters of 30%
  • 16 2/3 liters of 45%

Step-by-step explanation:

Let x represent the liters of 45% solution needed. Then the amount of HCl in the mix is ...

  0.45x +0.30(50 -x) = 0.35(50)

  0.15x = 0.05(50) . . . . . simplify, subtract 0.30(50)

  x = (0.05/0.15)(50) = 50/3 = 16 2/3 . . . liters of 45% HCl

33  1/3 liters of 30% and 16 2/3 liters of 45% HCl are needed.

_____

<em>Comment on the solution</em>

You may notice that the general solution to a mixture problem of this sort is that the fraction of the mix that is the highest contributor is ...

  (mix % - low %) / (high % - low %) = (.35 -.30) / (.45 -.30) = .05/.15 = 1/3

5 0
4 years ago
Please Help ME!! I BEG YALL! Ill give BrAINlIeSt! :) Given the figure below, find the values of x and z.
madam [21]

Answer: \left \{ {{x=10} \atop {z=63}} \right.

Step-by-step explanation:

Vertical Angles states that 9x+27=117

Supplementary Angles states that 117+z=180

9x+27=117\\Subtract (27)\\9x=90\\Divide(9)\\\left[\begin{array}{c}x=10\end{array}\right] \\\\117+z=180\\Subtract(117)\\\left[\begin{array}{c}z=63\end{array}\right]

<em>Hope it helps <3</em>

3 0
4 years ago
to find the amount of space cube shaped bird cage occupies,find the cube of measure of one edge of the bird cage. express the am
Anton [14]
Use this formula to help you find the answer V= LxWxH or V=BxH
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4 years ago
A baseball player throws a ball from second base to home plate. How far does the player throw the ball? Include a diagram showin
12345 [234]
84.85 feet
Explanation:
7 0
3 years ago
Read 2 more answers
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