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kvv77 [185]
3 years ago
13

Write each number in scientific notation. 1) 0.0279 2) 0.00007100 3)0.0000005060

Mathematics
1 answer:
mariarad [96]3 years ago
4 0

Answer:

1.) 2.79 × 10^-2

2.) 7.100 × 10^-5

3.) 5.060 × 10^-7

Step-by-step explanation:

Hope this helped.

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Explain why the miniscus of mercury is bent upwards<br>​
Scrat [10]

Answer:

Step-by-step explanation:

A concave meniscus, which is what you normally will see, occurs when the molecules of the liquid are attracted to those of the container. This occurs with water and a glass tube. A convex meniscus occurs when the molecules have a stronger attraction to each other than to the container, as with mercury and glass.

4 0
3 years ago
Plsssss help me with this angle circle problem what is x
kirza4 [7]

Answer:

x = 3

Step-by-step explanation:

Once again we want to use the relationship stated earlier

Where A * B = C * D

Once again imagine that the segments in the given problem have letters

A = x

B = 12

C = x + 1

D = 9

Now we create an equation using the relationship

12 * x = 9(x+1)

now we solve using basic algebra

step 1 distribute the 9 to the x and the 1

9 * x = 9x

9 * 1 = 9

now we have 12x = 9x + 9

step 2 subtract 9x from each side

12x - 9x = 3x

9x - 9x cancels out

now we have 3x = 9

step 3 divide each side by 3

3x/3=x

9/3=3

we're left with x = 3

4 0
3 years ago
Read 2 more answers
Identify a temperature colder than -7.2f. Write an inequality that relates the temperatures. Describe their positions on a horiz
madreJ [45]
Colder then -7.2 F would be -8.5 F

-7.2 > -8.5

anything to the left of -7.2 on the number line will be less then(oe in this case, colder then) -7.2....so -8.5 falls to the left of -7.2
8 0
3 years ago
find the length of side X in simplest radical form with a rational denominator (giving brainliest and thanks to all!)
irina1246 [14]

Answer:

x= √10/2

Step-by-step explanation:

if you use trig. functions:

sin 45° = opposite side /hypothenuse = x/√5

sin 45° = √2/ 2

√2/2 = x/√5 multiply both sides by √5

x= (√2*√5)/2 = √10/2

if you use that is a 45-45-90 special triangle

the sides are x, and hypothenuse must be x√2 in this type of triangles so in our case:

x√2 = √5 divide both sides by √2

x= √5/√2 multiply by √2/√2 which =1 and help us get rid of the radical from the denominator

x= (√5*√2)/ (√2*√2) = √10/2

6 0
3 years ago
Please help! I really need help!
skelet666 [1.2K]
As the input is increased by 1.

4 / (1/4) = 4 * 4 = 16

64/4 = 16

1024/64 = 16

So we can see the output factor is increased by a factor of 16.

Hope this helps.
8 0
3 years ago
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