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NARA [144]
3 years ago
12

Is this answer are right, please help

Mathematics
1 answer:
uranmaximum [27]3 years ago
3 0

Answer:

Your answers are correct. However, the instructions say to write the formula, and in my class you would write A= bh ÷ 2.

Step-by-step explanation:

However, the instructions say to write the formula, and in my class you would write A= bh ÷ 2. Also, you may want to write A= for every line of math that you do. If your class doesn't do that, then disregard that. :)

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The number of bacteria in petri dish A doubles every 10 minutes. The number of bacteria in oetri dish B doubles every 6 minites.
marissa [1.9K]
Givens
Petri Dish A sees a double ever 10 minutes
Petri Dish B sees a double ever 6 minutes

Consequences
A doubles 60 / 10 = 6 times.
B doubles 60 / 6 = 10 times.

Solution
If you work best with numbers then suppose there are 100 bacteria in both dishes at the beginning
A = 100 * 2^6
B = 100 * 2^10

A will have 100 * 64 = 6400 bacteria growing inside A
B will have 100 * 1024 = 102400 bacteria growing inside B

B/A = 102400 / 6400 = 16

There are 16 times as many in B than in A. <<<< Answer

7 0
3 years ago
question 10 is: a pen and a pencil cost RM2.40 and RM0.30 respectively. The price of an eraser is one third of the price of the
NeX [460]

\huge\colorbox{red}T\colorbox{orange}h\colorbox{yellow}a\colorbox{green}n\colorbox{blue}k\colorbox{purple}s

7 0
3 years ago
If x^2 - 16 &gt; 0, which of the following must be true?
zimovet [89]
The left hand side of the equation is a difference of two squares and may be factored out as follows,
                              (x - 4)(x + 4) > 0
They may be individually taken as,
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5 0
3 years ago
How much more area does a large pizza with a 12 in. diameter have than a small pizza with an 8 in. diameter? Round your answer t
ivolga24 [154]

Answer: About 63 in²

Step-by-step explanation:

<u>Area of circle = π · r²</u>

  • r = radius length
  • π ≈ 3.14

<u>Area of large pizza:</u>

\pi *r^{2} =3.14*6^{2} =3.14*36=113.04

<u>Area of small pizza:</u>

\pi *r^{2} =3.14*4^{2} =3.14*16=50.24

<u>Difference in area:</u>

113.04-50.24=62.8

4 0
2 years ago
Can somewon help me i dont get this kind of math
I am Lyosha [343]

Answer:

256 in²

Step-by-step explanation:

6 0
3 years ago
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