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Grace [21]
3 years ago
14

PLEASE HELP THIS IS DUE IN AN HOUR!!!

Mathematics
1 answer:
Naily [24]3 years ago
3 0

Answer:

<h2>The x-coordinate after the rotation is -10.</h2>

Step-by-step explanation:

A 810° rotation is equal to a 90° rotation. So, the transformation described gives the same result than rotating 90° only.

A 90° counterclockwise rotation is defined by the rule

(x,y) \implies (-y,x)

The given coordinate is (8,10). Using the rule, we have

(8,10) \implies (-10,8)

Therefore, the x-coordinate after the rotation is -10.

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Alexandra has a stand in the marketplace where she sells her cumin for 7.20 per kilogram. If she sells 90 kilograms of cumin her
Drupady [299]

Answer:

$234

Step-by-step explanation:

First we need to define profits. Profits are Income minus Expenses:

P = I - E

We know profits are $414, so:

414 = I - E

We also can calculate income, as it is equal to price by the sales:

I = p*Q

Here she sold 90 kgs at $7.20 b kg. So:

I = p*Q = 7.20 * 90 = 648

So, replacing in profits equation:

414 = I - E

414 = 648 - E

If we sum E in both sides:

414 + E = 648 - E + E = 648

414 + E = 648

Now, subtracting 414 in both sides:

414 + E - 414 = 648 - 414

E = 234

So, her expenses are $234

8 0
3 years ago
A plane leaves at 11:22 AM and arrives at 3:13 PM how long was the flight
Fantom [35]

Answer:

3 hours and 51 minutes

Step-by-step explanation:

Hope this helps!!

7 0
3 years ago
2z-18-4z=-8 what is the value of z
zmey [24]

The z is 5

−2⋅<em>z</em>=−8+18

-

2

⋅

z

=

-

8

+

18

Simplify :

−2⋅<em>z</em>=10

-

2

⋅

z

=

10

Dividing by the variable coefficient :

<em>z</em>=−

10

2

z

=

-

10

2

Simplify :

<em>z</em>=−5

z

=

-

5

The solution of equation

2⋅<em>z</em>−18−4⋅<em>z</em>=−8

2

⋅

z

-

18

-

4

⋅

z

=

-

8

is

[−5]

7 0
3 years ago
Solve for x and y.<br> L<br> 60°<br> 14<br> (6x + 7y)<br> M<br> N<br> 2(2x + 1)
notsponge [240]
X=3 Y=4 is your answer
6 0
3 years ago
What is the number that has the same absolute value as 81
LenaWriter [7]
The absolute value of -81 has the same absolute value as that of 81 because they both have the same distance to 0.
4 0
3 years ago
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