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AnnyKZ [126]
3 years ago
10

Help! I will mark you brianliest!

Mathematics
1 answer:
dimaraw [331]3 years ago
6 0

Answer:

first: $130

second: 165 miles

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Calculate the length of AB if A is the point (2,3) and B is the point (-2,0)
d1i1m1o1n [39]

Answer:

Formular for coordinate length:

length =  \sqrt{ {(x_{1}  - x _{2} )}^{2}  +  {(y_{1}  - y_{2})}^{2} }

In considerance of coordinates given of A and B

x _{1} \: \:  is \:  \: 2 \\ x_{2} \:  \: is \:  \:  - 2 \\ y_{1}  \: \: is \:  \: 3 \\ y_{2} \:  \: is \: \:  0

therefore substitute:

length =  \sqrt{ { \{2 - ( - 2) \}}^{2}  +  {(3 - 0)}^{2} }  \\  \\  =  \sqrt{ {(2 + 2)}^{2} +  {3}^{2}  }  \\  =  \sqrt{ {4}^{2} +  {3}^{2}  }  \\  =  \sqrt{16 + 9}  \\  =  \sqrt{25}  \\  \\ { \boxed{ \boxed{length  \:  \: is \:  \: 5 \: units}}}

5 0
3 years ago
Read 2 more answers
-7 x - 2y = -13 <br> x - 2y = 11
VashaNatasha [74]
Well the first one would convert to
-2y= 7x-13 and the second one would be -2y=-x+11 and you solve from there (lmk if you need the steps) but your final answer would be. Y= -7/2x+ 13/2 and y=1/2x - 11/2
8 0
3 years ago
????????????????????????????
rewona [7]

Let h equal the number of hours the electrician works.

We can write the equation like this:

90h + 60 = 600

Solve for h.

90h + 60 = 600

~Subtract 60 to both sides

90h + 60 - 60 = 600 - 60

~Simplify

90h = 540

~Divide 90 to both sides

90h/90 = 540/90

~Simplify

h = 6

Therefore, the electrician work for 6 hours.

The correct answer is Option 1.

Best of Luck!

7 0
3 years ago
Read 2 more answers
The two rectangles below are similar. What is the measurement of the missing side of the rectangle?
r-ruslan [8.4K]
B

You would divide 45 mm/15mm to get 3. Multiply 3 by 27 to get 81 mm.
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3 years ago
allison uses 3 out of 5 of a bag of suger to bake 4 small cakes.what fraction of a bag of sugar was used in each cake?
Andrej [43]

Hello, Welcome to Brainly I am papaguy expert User I will you if you have any questions so far you have on.


Answer: 3/5

8 0
3 years ago
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