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denpristay [2]
4 years ago
7

Help me please,Thanks

Mathematics
1 answer:
maxonik [38]4 years ago
6 0
<span>Anna learns in her science class that the human eye blinks an average of 4,200,000 times a year. What is this number expressed in scientific notation?</span>
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How do i answer on the subjects
Nitella [24]

Answer:There is a button that says answer you click on answer and then give the answer and then once your finished click the green button on top that says add your answer.

Step-by-step explanation:

8 0
3 years ago
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HELP!! DISCRETE DATA
olasank [31]

Answer:

Hey there!

Discrete Data is the number of friends you invited to your last birthday party.

Hope this helps :)

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4 years ago
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10 pounds of soil are needed to
Wewaii [24]

Answer:

40/3

Step-by-step explanation:

w = weight of soil needed

f = number of flower beds

a = constant value

w = a * f

<em>substitute</em>

10 = 6a

<em>simplify</em>

5/3 = a

w = (5/3)f

<em>plug in 8</em>

w = (5/3)(8)

<em>simplify</em>

w = 40/3

3 0
4 years ago
Find the value of x.<br><br><br> A. 4.3<br> B. 2.7<br> C. 11.6<br> D. 13.9
kakasveta [241]

Answer:

<h2><u>[D] 13.9</u></h2>

Explanation:

  • <em>Pythagorean theorem: a² + b² = c²</em>
  • <em>Solve for hypotenuse (side x) using: c = √a² + b²</em>

12.8² + 5.3² = 191.93

√191.93

= 13.8538803229

<em>Round the answer</em>

13.9

6 0
4 years ago
The frame around a rectangular picture has a uniform width. The dimensions of the picture are 5 in. by 7 in. If the combined are
Alexeev081 [22]

Answer:

9 inches

Step-by-step explanation:

Let's take the dimension of the picture first

Area of the picture = 5 * 7

= 35 square inches

Now, we'll subtract this are from the combined area of the picture and the frame

Combined area = 80 square inches

80 - 35 = 45

Therefore, the area of the frame is 45 square inches

Since the width is uniform,

The number which when multiplied by 5 gives 45 is...........

9

Hence, the width of the frame is 9 inches

3 0
3 years ago
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