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Sonja [21]
3 years ago
11

Need help plsssssssss

Mathematics
1 answer:
Gala2k [10]3 years ago
4 0
Sheeeeeeesssshhhhhhh
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<img src="https://tex.z-dn.net/?f=%24%5Coverline%7BBY%7D%24" id="TexFormula1" title="$\overline{BY}$" alt="$\overline{BY}$" alig
erica [24]

Answer:

  BZ = 64/23 = 2 18/23

Step-by-step explanation:

The angle bisectors divide the triangle into proportional parts, so we have ...

  CB/CY = AB/AY

  CB = CY(AB/AY) = 4(8/6) = 16/3 . . . . multiply by CY and evaluate

and ...

  BZ/CB = AZ/AC

  BZ = AZ(CB/AC) . . . . multiply by CB

But we have ...

  AZ = 8 -BZ, so this becomes ...

  BZ = (8 -BZ)(16/3)/(10)

  BZ(1 +8/15) = 64/15 . . . . add the BZ term on the right to both sides

  BZ = (64/15)(15/23) = 64/23 . . . . divide by the coefficient of BZ

BZ = 64/23 = 2 18/23

6 0
3 years ago
Marta bought a paperweight in the shape of a cone. The radius was 10 centimeters and the height was 9 centimeters. Find the volu
mixas84 [53]

Answer:

V≈942.48cm³

Step-by-step explanation:

hope this helps

4 0
3 years ago
Read 2 more answers
WORTH 50 POINTS
Schach [20]

Answer:ok

Step-by-step explanation:A=23

6 0
4 years ago
1/4k = 3 (-1/4k + 3)​
Arada [10]

Answer:

For the expression \frac{1}{4} k = 3 (-\frac{1}{4}k  +3)

k = 9 is the required solution.

Step-by-step explanation:

Here, the given expression is \frac{1}{4} k = 3 (-\frac{1}{4}k  +3)

Solving the above expression for k, we get:

\frac{1}{4} k = 3 (-\frac{1}{4}k  +3)  \implies  \frac{k}{4}  = (\frac{-3}{4}k) + 9

or, \frac{k}{4}  + (\frac{3}{4}k) =  9 \implies \frac{k + 3k}{4}   = 9

or, \frac{4k}{4}  = 9  \implies   k =9

or, k = 9

Hence for the expression \frac{1}{4} k = 3 (-\frac{1}{4}k  +3)

k = 9 is the required solution.

8 0
3 years ago
An object traveled 691.12 feet in 21.2 seconds.
Basile [38]
When we divide the number of feet (~700) by the number of seconds (~20), we get a number that is more than 30 (ft/s). Thus, only choices B and D are viable.

When we invert that rate, we get 1/(30 ft/s) = (1/30) s/ft, leaving the only viable choice as ...
  B. 32.6 ft/s and approximately 0.03 s/ft


______
Units (feet, seconds) multiply and divide like any other variable. It is often useful to keep the units with the numbers of a problem so you can tell if you've done the math properly. It is more likely to be correct if the units are correct.
7 0
4 years ago
Read 2 more answers
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