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Alex
3 years ago
10

going experiment Dorothy begins with 32 battery on a slide she finds that the number of bacteria on the slide doubles every 30 m

inutes. Make a table showing the total number of bacteria at the end of every 30 minute period for 4 hours
Mathematics
1 answer:
ASHA 777 [7]3 years ago
3 0

Answer:

0 h == 32 bacteria

0.5 h == 64 bacteria

1 h == 128 bacteria

1.5 h == 256 bacteria

2 h == 512 bacteria

2.5 h == 1024 bacteria

3 h == 2048 bacteria

3.5 h == 4096 bacteria

4 h == 8192 bacteria

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The school wants to build a new sandbox for the grade R playground the sandbox must be 4m long 3m wide and 0,5m high
Daniel [21]

The new dimensions of the sandbox in centimeter (cm) are:

length = 400 centimeters

Width = 300 centimeters

Height = 50 centimeters

Given:

Length = 4m

Width = 3m

Height = 0.5m

Convert meter to centimeter

1 meter = 100 centimeters

4m = 4 × 100 centimeters

= 400 centimeters

3m = 3 × 100 centimeters

= 300 centimeters

0.5m = 0.5 × 100 centimeters

= 50 centimeters

Therefore, the new dimensions of the sandbox in centimeter (cm) are

length = 400 centimeters

Width = 300 centimeters

Height = 50 centimeters

Read more:

brainly.com/question/16991883

6 0
3 years ago
Someone help what the area of Demi's poster
Airida [17]

the center square is 20 x 20 = 400

there are 4 12 x 20 areas

12*20 = 240*4 = 960

960+400 = 1360 square inches

3 0
3 years ago
01.01) Rewrite the expression with rational exponents as a radical expression. 7 times x to the two thirds power cube root of th
jeka94

Answer:

(7x)^{\frac{2}{3} = (\sqrt[3]{7x})^2

Step-by-step explanation:

Given the expression (7x)^{\frac{2}{3}, to express this as a radical expressions, we'd apply the rule/law of indices that deals with converting expressions that has rational exponents into radical expressions.

The rule of indices to apply is: b^{\frac{m}{n}} = (\sqrt[n]{b})^m

To apply this to the expression, (7x)^{\frac{2}{3}, the denominator of the fraction of the exponent would determine the root, that is, cube root in this case. The numerator of the exponent would then determine the exponent of the radical expressions.

Thus:

(7x)^{\frac{2}{3} = (\sqrt[3]{7x})^2

6 0
3 years ago
The length of a rectangle is 3 time the width. the perimeter is 65.6 cm. find the width.
Sever21 [200]
The width is 8.2
Perimeter = 2W + 2L (there are four sides of a rectangle, two longer sides, two shorter, W and L) 

<span>65.6 = 2W + 2L 
</span><span>L = 3W so substitute 3W in for L </span>
<span>65.6 = 2W +2 (3W) </span>
<span>65.6 = 8W </span>
<span>W = 8.2 cm </span>
<span>L = 3(8.2) </span>
<span>L = 24.6cm </span>
5 0
4 years ago
Read 2 more answers
The Panthers team won exactly 2 of its first 9 games. By winning all its remaining N games, the panthers ended with victories in
tiny-mole [99]

Answer:

N represent 5 games

Step-by-step explanation:

Firstly, we need to get the total number of games. From the information given, the total number of games is 9 + N = (9 + N) games

The total number of games won is (2 + N) games and this is exactly half of the total number of games.

This mathematically means

2(2 + N) = (9 + N)

4 + 2N = 9 + N

2N - N = 9 - 4

N = 5 games

8 0
3 years ago
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