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gregori [183]
3 years ago
13

Can you answer those 2 questions please?!thank you

Mathematics
1 answer:
Brrunno [24]3 years ago
5 0

Answer:

Question 1: Fraction

Question 2: Equal

Step-by-step explanation:

I know Q1 is right, I'm not so sure about Q2 so I'm sorry if that's wrong

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What does the E in an electrode code stands for?​
dalvyx [7]

Answer:

The “E” indicates an arc welding electrode. The first two digits of a 4-digit number and the first three digits of a 5-digit number stand for tensile strength.  So, “1” stands for an all position electrode, “2” for a flat and horizontal electrode, and “4” for a flat, horizontal, vertical down and overhead electrode

3 0
2 years ago
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The population of bacteria in a petri dish doubles every 24 h. The population of the bacteria is initially 500 organisms. How lo
liberstina [14]

Answer:

16.34 hours

Step-by-step explanation:

According to the given information we can see that the case is of exponential growth

Hence, we will use the formula

A=P(2)^\frac{t}{24}

Here A =800 is the amount that is needed to reach

P is the initial amount that is 500

We have to find the time it will take to reach 800 that is we need to find t

On substituting the values in the formula we get

800=500(2)^\frac{t}{24}

On simplification we get

\Rightarrow\frac{8}{5}=(2)^\frac{t}{24}

Taking log on both sides we get

\Rightarrow\log\frac{8}{5}=\log(2)^\frac{t}{24}

using \log\frac{m}{n}=\log m-\log n

And \log a^m=m\log a

\Rightarrow\log{8}-\log{5}=\frac{t}{24}\log2

Now substituting values of log 8=0.903, log 5=0.698 and log 2=0.301 we get

\Rightarrow 0.903-0.698=\frac{t}{24}0.301

\Rightarrow 0.205=\frac{t}{24}0.301

\Rightarrow \frac{0.205}{0.301}\cdot 24=t

\Rightarrow t=16.34

8 0
3 years ago
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Which
Vedmedyk [2.9K]

Answer:

The answer is <u>D: lll and IV only</u>

Step-by-step explanation:

8 0
3 years ago
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Answer:

if we will take the LCM

five will be common

34+41/5

75/5

15 is the answer

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2 years ago
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A cone-shaped paper cup can hold 35 cubic inches of food. If the radius of the cone is 2.4 inches, what is the height of the con
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\bf \textit{volume of a cone}\\\\&#10;V=\cfrac{\pi r^2 h}{3}~~&#10;\begin{cases}&#10;r=radius\\&#10;h=height\\&#10;-----\\&#10;r=2.4\\&#10;V=35&#10;\end{cases}\implies 35=\cfrac{\pi (2.4)^2 h}{3}\implies 105=5.76\pi h&#10;\\\\\\&#10;\cfrac{105}{5.76\pi }=h\implies 5.805467091295 \approx h\implies 5.81 \approx h
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3 years ago
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