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Varvara68 [4.7K]
3 years ago
6

Urgentttt please❤️ Urgent

Mathematics
1 answer:
prisoha [69]3 years ago
3 0

Answer: a = 110ᴼ

Step-by-step explanation:

The angles on each line of the figure add to equal 180ᴼ

180 - 70 = 110

a = 110ᴼ

b and 70ᴼ are vertical angles, so their measures are congruent.

b = 70ᴼ

180 - 70 = 110

c = 110ᴼ

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The wavelength of red light in a spectrum is about 0.0000007 meters. Which
Nana76 [90]

Answer:

0.0000007

And if we count the number of zeros before the number 7, we can rewrite the number like this:

7x10^{-7}

We cansolve this problem also counting the number of positions that we need to move the decimal point to the right in order to obtain the first number (7)

And the best option would be:

B. 7 x 10-7

Step-by-step explanation:

For this case we have the following number given:

0.0000007

And if we count the number of zeros before the number 7, we can rewrite the number like this:

7x10^{-7}

We cansolve this problem also counting the number of positions that we need to move the decimal point to the right in order to obtain the first number (7)

And the best option would be:

B. 7 x 10-7

8 0
3 years ago
Idek what to do, help
stepladder [879]
Distribute the 5 to the (2+y). Parenthisis always come first. after that combine the 5y and the -y. you should end up with 2-(+4y) +2. add the -2 and +2. you should be left with 4y

8 0
3 years ago
What value can be written on the blank line to make the expressions equivalent
Gala2k [10]
<span>The expression is missing from the question, but here is the given expression which I got from a similar question.

48 + 54 = ___ ´ (8 + 9)

Theleft-hand side of the equation is:
                                                             48 + 54 = 102
Now the right-hand side of the equation:
                                                                    A </span>× (8+9) = Right-hand side
                                                                    A × (8+9) = 102
Solving for the unknown variable A,
                                                                    A × 17 = 102
Dividing by 17 on both sides,
                                                A × 17 ÷ 17 = 102 ÷ 17
                                                         A × 1 = 6
                                                              A = 6

Hence,
           48 + 54 = 6 x (8 + 9)

8 0
3 years ago
15. Jessica is trying to hire a babysitter that charges less than $10 per hour (not including any extra fees).
tresset_1 [31]

Answer:

A. and B.

Step-by-step explanation:

A. $34 - $10= $24 hourly fee divided by 3= $8 per hour.

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C.$92-$8= $84 hourly fee divided by 7= $12 per hour.

D. $52.5-$0= $52.5 hourly fee divided by 3.5= $15 per hour.

E. $112-$2=$110 hourly fee divided by 5.5= $20 per hour.

So Mia and Alex are the cheapest .

7 0
3 years ago
What is the value of x, if the volume of the cone is 12mm?
Anna007 [38]

Answer:

<h2>V=1/3 pie r^2h (Formula)</h2><h2>12×22/7=1/3×22/7×3^2×h</h2><h2>Eliminate 22/7</h2><h2>12=(9×h)/3</h2><h2>Make "h" the subject of the equation </h2><h2>h=36/9</h2><h2>h=4m</h2>
3 0
3 years ago
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