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Troyanec [42]
3 years ago
15

I NEED HELP PLEASE I DONT UNDERSTAND AND CANT FAIL

Mathematics
2 answers:
butalik [34]3 years ago
8 0

Answer:

Step-by-step explanation:

jonny [76]3 years ago
6 0

Answer:

D, 3y+1

Step-by-step explanation:

Use the first equation because a variable is already isolated (alone)

Because x = 3y+1, and you are substituting x, the answer is D

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8x^2+32x-96<img src="https://tex.z-dn.net/?f=8x%5E%7B2%7D%20%2B36x-96" id="TexFormula1" title="8x^{2} +36x-96" alt="8x^{2} +36x-
erma4kov [3.2K]

Answer:

−19282+104−96

Step-by-step explanation:

hopefully this helps, I'm not sure I'd it is correct though

4 0
3 years ago
Escherichia coli cells are about 2.65 μm long and 0.480 μm in diameter. Calculate the volume of an E. coli cell, assuming the ce
zmey [24]

Answer:

4.7953 x 10⁻¹⁹ m³

Step-by-step explanation:

Length of the Escherichia coli cell (L) = 2.65 x 10⁻⁶ m

Diameter of the Escherichia coli  cell (D) = 0.480 x 10⁻⁶ m

The volume of cylinder in given by:

V= \frac{\pi D^2}{4}*L \\V= \frac{\pi (0.480*10^{-6})^2}{4}*2.65*10^{-6}\\V= 4.7953*10^{-19} m^3

The volume of an E. coli cell is 4.7953 x 10⁻¹⁹ m³.

6 0
4 years ago
Two angles of a triangle measure 59 degrees and 63 degrees. If the longest side measures 28 centimeters, find the length of the
sertanlavr [38]

Answer:

26.65 or 58

Step-by-step explanation:

5 0
3 years ago
Which set of side will make a triangle
Ostrovityanka [42]

Answer:

d.10cm,5cm,9cm

Step-by-step explanation:

In a triangle, the length of each side must be between the difference and the sum of the lengths of the other sides.

a. 1 + 1 = 2; 2 < 3     Answer: no

b. 2 + 3 = 5; 5 = 5     Answer: no

c. 10 - 3 = 7; 7 > 4      Answer: no

d. 10 + 5 > 9

5 + 9 > 10

10 + 9 > 5

10 - 5 < 9

10 - 9 < 5

9 - 5 <10

Answer: yes

6 0
3 years ago
What does the equation x2 + y2 = 16 represent as a region in 3?
Sonja [21]
This equation represent a circle its center is the origin point and its radius equals 4 length units
6 0
3 years ago
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