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horrorfan [7]
3 years ago
13

An ancient calculator has faded etchings on its dials. Scientists used an x-ray scanner to decipher the etchings. A long x-ray h

as a wavelength of about 10 nanometers. How many meters is this? The prefix "nano" represents the exponent 1 x 10^-9

Mathematics
1 answer:
azamat3 years ago
7 0

Answer:

B)

Step-by-step explanation:

hope it helps an hope u got it

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Leila is buying a dinosaur model. The price of the model is xxx dollars, and she also has to pay a 7\%7%7, percent tax.
padilas [110]

The  expressions that could represent how much Leila pays in total for the model

\dfrac{107}{100}x

100 107 Option A is correct.

This is further explained below.

<h3>Which of the following expressions could represent how much Leila pays in total for the model?</h3>

The price of the model is  x

Now we are given that she also has to pay a 7  tax.

Amount of tax =7 % x

=\frac{7}{100} x

the Total cost=x+\frac{7}{100} x

=\frac{107}{100} x

In conclusion, the statement might signify Leila's overall cost for the model. \frac{107}{100} x

Read more about expressions

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3 0
2 years ago
20 POINTS Compost costs $10 per cubic yard and topsoil costs $2 per cubic yard. Maria needs more than 10 cubic feet of topsoil.
Morgarella [4.7K]
I can't see the graph but let's use logic
hmm, more than 10 cubic feet of topsoil so the first and 2nd options are wrong

let's ee the costs
3rd option
10*1=10
2*12=24
10+24=34 and 34<50, that is fine

4th option
3*10=30
2*12=24
30+24=54
54>50, nope, that is over cost


answer is 3rd one
the one with 1 cubic yard compost and 12 cubic yard topsoil
8 0
3 years ago
Read 2 more answers
Simply the equation 3m + ( m + 5 )
Elena L [17]

Answer:

4m+5

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Divide: 2/3 4/5<br> plz help me
HACTEHA [7]

Answer:

5/6

Step-by-step explanation:

brainliest please

8 0
2 years ago
Solve for x.<br><br> •4 <br> •3.6<br> •3<br> •4.8
AnnyKZ [126]

Answer:

according to theorm 8 of basic geometry the answer is 6

5 0
3 years ago
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