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sdas [7]
3 years ago
13

Here are (32)4 ⋅ 30 bacteria in a Petri dish. What is the total number of bacteria in the dish?

Mathematics
1 answer:
WARRIOR [948]3 years ago
7 0

Answer:

3840

Step-by-step explanation:

The arithmetic solution is

32*4*30=128*30=3840

Obviously, the value is not one of the options, So maybe provide more context to the question, please

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Please help me with this question. image attached.
Alona [7]

Answer:

Answer: A as you have indicated.

Step-by-step explanation:

Givens

  • There are two sides that are 3.1 cm in length
  • There are two sides that are 6.2 cm in length

Formula

  • P = 2*(b + a)
  • where b is the base and
  • where a is the side

Solution

  • P = 2*(6.2 + 3.1)       Add what is inside the brackets
  • P = 2*9.3                 Multiply
  • P = 18.6

Answer A


7 0
3 years ago
If ABC and EDC are similar, what is the value<br> of x?<br> A
abruzzese [7]

Answer:

x = 15

Step-by-step explanation:

Since the triangles are similar then the ratios of corresponding sides are equal, that is

BC/DC = EC/AC , substitute values

3x×5/32 - 5x-5/56 ( cross- multiply )

56(3x - 5) = 32(5x - 5) ← distribute and simplify both sides

168x - 280 = 160x - 160 ( subtract 160x from both sides )

8x - 280 = - 160 ( add 280 to both sides )

8x = 120 ( divide both sides by 8 )

x = 15

3 0
3 years ago
Which of the following could be the equation of the graph shown below?
Mrac [35]

Answer:

According to the proposed interrogate, as well as the graph provided, the correct answers to such are identified as B. Y = -2x + 5 and C. 2x + y = 4.

Step-by-step explanation:

To evaluate such, a comprehension of linear Cartesian data is required:

Slope = rise/run. If there is a negative rise, the direction of the line is proportional to the left-hand side as it exponentially grows or augments in units.

Y-intercept: The peculiar point in which the linear data observed intersects the y-axis.

X-intercept: The peculiar point in which the linear data observed intersects the x-axis.

Since this is a negative linear, all negative slopes apply.

The interrogate states, “Check all that apply.” Thus, there may be more than one correct answer, shall such be disseminated.

A. Cannot be the answer as the line should have been a horizontal line contained within quadrants I and II on the Cartesian Plane.

B. Contains a negative slope, thus is disclosed as a correct answer.

C. This configuration is denoted in “Standard Form” or “General Form”. To convert this to “Slope-Intercept Form” the following must be executed mathematically:

2x + y = 4

Y = -2x + 4 <== Slope-Intercept Form (Contains a negative slope, thus considered a correct answer.

D. Likewise, this configuration is denoted in “Standard Form” or “General Form”. To convert this to “Slope-Intercept Form” the following must be executed mathematically:

X - y = 9

-y = -x + 9

Y = x - 9 <== Slope-Intercept Form (Cannot be considered as the correct answer, given the positive slope configuration, thus is marked out).

Thus far, as evaluated, the correct answers to the proposed interrogate, as according to the linear data provided in the Cartesian Plane is acknowledged, and henceforth disseminated, as B. Y = -2x + 5 and C. 2x + y = 4.

*I hope this helps.

8 0
3 years ago
Find y'(<img src="https://tex.z-dn.net/?f=%5Csqrt%5B3%5D%7B3%7D" id="TexFormula1" title="\sqrt[3]{3}" alt="\sqrt[3]{3}" align="a
Bingel [31]

Given

2x³ + (x³ - 3) sin(2πy) - 3y = 0

we first notice that when x = ³√3, we get

2 (³√3)³ + ((³√3)³ - 3) sin(2πy) - 3y = 0

2•3 + (3 - 3) sin(2πy) - 3y = 0

6 - 3y = 0

3y = 6

y = 2

Differentiating both sides with respect to x gives

6x² + 3x³ sin(2πy) + 2π (x³ - 3) cos(2πy) y' - 3y' = 0

Then when x = ³√3, we find

6(³√3)² + 3(³√3)³ sin(2π•2) + 2π ((³√3)³ - 3) cos(2π•2) y' - 3y' = 0

6•³√9 + 3•3 sin(4π) + 2π (3- 3) cos(4π) y' - 3y' = 0

6•³√9 + 0 + 0 - 3y' = 0

3y' = 6•³√9

y' = 2•³√9

(that is, 2 times the cube root of 9)

8 0
3 years ago
3x+1+5x=7+15+7x what is x?
baherus [9]

Answer:

<h2>x = 21</h2>

Step-by-step explanation:

3x + 1 + 5x = 7 + 15 + 7x          <em>combine like terms</em>

(3x + 5x) + 1 = (7 + 15) + 7x

8x + 1 = 22 + 7x             <em>subtract 1 from both sides</em>

8x = 21 + 7x             <em>subtract 7x from both sides</em>

x = 21

4 0
3 years ago
Read 2 more answers
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