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OleMash [197]
3 years ago
8

I need help on 13 and 15 that all

Mathematics
1 answer:
mihalych1998 [28]3 years ago
8 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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PLZ HELP! I need to turn this in urgently &lt;3
andriy [413]

Answer:

91

Step-by-step explanation:

This is a 180° line and it would be 180-89=91.

This isn't much but hope it helps .^.

7 0
3 years ago
2 x 10 + 4 x 1 + (7 x 1/10) + (4 x 1/100) + (5 x 1/1000) in standard form
Verizon [17]

Answer:

4949/200=

Step-by-step explanation:

5 0
3 years ago
From a hot-air balloon, Juan measures a 36° angle of depression to a landmark that's
Masja [62]

Using the slope concept, it is found that the balloon's vertical distance above the ground is of 437.4 feet.

<h3>What is a slope?</h3>

The slope is given by the <u>vertical change divided by the horizontal change</u>, and it's also the tangent of the angle of depression.

In this problem:

  • The vertical change is x.
  • The horizontal change is of 602 ft.
  • The angle is of 36º.

Hence, applying the concept:

tan (36º) = x/602

x = 602 x tan(36º)

x = 437.4.

More can be learned about the slope concept at brainly.com/question/18090623

#SPJ1

4 0
1 year ago
Which equations, tables, or graphs represent functions?
Debora [2.8K]
A represents a function

This is the way
5 0
2 years ago
14+6×(9-6)<br><br>please answer ​
Andreas93 [3]

Answer:

32

Step-by-step explanation:

14+6(9-6)

[9-6=3]

14+6x3

[6x3=18]

14+18

32

---

hope it helps

5 0
2 years ago
Read 2 more answers
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