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Vika [28.1K]
3 years ago
13

Help fast I’m giving 20 points’ The number of bacteria in a petri dish is 42 and is tripling every month

Mathematics
2 answers:
nadya68 [22]3 years ago
7 0

Answer:

its 1944

Step-by-step explanation:

i just took the test

N76 [4]3 years ago
5 0

Answer:

3402

Step-by-step explanation:

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On the number line above, points J, K, L, and M are integers, and JK:KL:KM = 2:1:3. What is the value of KM? number line shown b
Rama09 [41]

Answer:

<h2>F. 12</h2>

Step-by-step explanation:

The distance between A and M i.e JM = M - J = 5-(-19)

JM = 5+19

JM = 24

If JK:KL:KM = 2:1:3

The total ratio = 2+1+3

Total ratio = 6

Dividing each length based on ratio

length JK = 2/6 * JM

JK = 1/3 * 24

JK = 8

length KL = 1/6 * JM

KL = 1/6 * 24

KL = 4

length KM = 3/6 * JM

KM = 1/2 * 24

KM = 12

<em>Hence the value of KM is 12</em>

3 0
3 years ago
PLEASE HELP <br> ANSWER ASAP
VLD [36.1K]
Question 1: h+4= how many kids in history class.
I think this cause it says to represent the # of kids in the English class with the varible h. there are 4 more kids in the history class for you just add four to the English class( h). this may be wrong tho

question 2: 57+4= 61.

you just input the 57 where the h (# of kids in English class) cause it need to figure out how many are in history and their are just four more kids. I think


also sorry if I suck at explaining things, this makes sorta sense
7 0
3 years ago
(x3)(x-5)<br> Fududeey<br> X=2
Pepsi [2]

Answer:

-18 is the right answer..

4 0
3 years ago
Solve attachment 30 points!!!!!
Effectus [21]

Answer:

A=\frac{B^3}{5g+m}

Step-by-step explanation:

Step 1: Write out equation

5gA + mA = B³

Step 2: Factor out A

A(5g + m) = B³

Step 3: Divide both sides by 5g + m

A=\frac{B^3}{5g+m}

4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Cfrac%7Ba-3b%7D%7Ba%2B2b%7D%20%3D%20%5Cfrac%7B4%7D%7B3%7D" id="TexFormula1" title="\frac{a-3
choli [55]

Answer:

a:b = -17:1

Step-by-step explanation:

Given

\frac{a-3b}{a+2b} = \frac{4}{3}

Required

Find a:b

\frac{a-3b}{a+2b} = \frac{4}{3}

Cross Multiply

3(a-3b) = 4(a+2b)

Open brackets

3a - 9b = 4a + 8b

Collect Like Terms

3a - 4a = 8b+9b

-a = 17b

Divide through by -b

\frac{-a}{-b} = \frac{17b}{-b}

\frac{a}{b} = \frac{17}{-1}

\frac{a}{b} = \frac{-17}{1}

Represent as a ratio

a:b = -17:1

5 0
3 years ago
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