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irga5000 [103]
3 years ago
8

How do you solve -10=10(k-9)

Mathematics
2 answers:
cricket20 [7]3 years ago
4 0
-10=10k-90
add 90 on both sides that would be 
80=10k 
divide by 10 
8=k or k=8
HOPE THIS HELPED!!! :)
nexus9112 [7]3 years ago
3 0
-10=10(k-9)
1 step: Distributive Property
2nd step: Addition Property of Equality or added 90 to both sides
3rd step: Division Property of equality or divided by 10 on both sides.
k=8

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Please help! Greatly appreciated sorry for really bad quality
Degger [83]
The first answer.

Point P is at (50,-40) the distance from Q to P is 80 units which you can find by subtracting the x of Q (-30) from the x of P (50).
50-(-30)=80
It then tells you point R is vertically above point Q so you know your x value for R will be the same as Q.
Add your distance from Q to P of 80 units to the y value of Q because you are traveling up.
-40+80=40
R will have a point of (-30,40) and a distance of 80 units
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What is the length of AC? What is the measure of angle A? What is the measure of angle B?
kipiarov [429]

Answer/Step-by-step explanation:

✔️Find AC using Pythagorean Theorem:

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AC² = 507.35

AC = √507.35

AC = 22.5 (nearest tenth)

✔️Find m<A using trigonometric ratio:

Reference angle = A

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Sin(A) = opp/hyp

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A = sin^{-1}(11.3/25.2)

A = 26.6° (nearest tenth)

✔️Find m<B using trigonometric ratio:

Reference angle = B

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Hyp = 25.2

Cos(A) = adj/hyp

Cos(A) = 11.3/25.2

A = cos^{-1}(11.3/25.2)

A = 63.4° (nearest tenth)

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The change in the value of an account when given to the nearest dollar ? Identify the set of numbers that best describes .
AveGali [126]
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7 0
3 years ago
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