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Mashcka [7]
2 years ago
8

Im really confused on this question

Mathematics
1 answer:
OLEGan [10]2 years ago
4 0

Answer:

im confused on that question too but here is the a pic for u

Step-by-step explanation:

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a cell phone store sells the basic model of a phone for $30 and the upgraded model for $100 when a customer signs a two-year agr
alisha [4.7K]
30b + 100u = 900
5b + 25u = 200....multiply by -6
------------------
30b + 100u = 900
-30b - 150u = - 1200 (result of multiplying by -6)
------------------add
-50u = - 300
u = 6 <== upgrated phones sold

30b + 100u = 900
30b + 100(6) = 900
30b + 600 = 900
30b = 900 - 600
30b = 300
b = 10 <== basic phones sold

8 0
3 years ago
Read 2 more answers
Someone help please need it asapp
mojhsa [17]
The answer is f(-2)=g(-2
4 0
3 years ago
the product of 2 consecutive positive into is 1,332. Explain how you can write and solve a quadratic equation to find the value
Dominik [7]
Let the smaller one is x so the larger is x+1 
x(x+1)=1332 
x^2+x=1332 
x^2 +x -1332 =0 
(x - 36)(x + 37) =0
so x = 36 or x = -37
therefor the larger integer is either 37 or -36

8 0
3 years ago
Read 2 more answers
Angie and Becky each completed a separate proof to show that the measures of vertical angles AKG and HKB are equal. Who complete
Helga [31]

Answer:

Becky, because her justification for the second statement should be "definition of supplementary angles" rather than "angle addition postulate."

Step-by-step explanation:

Becky completed the proof incorrectly because her justification for the second statement is not totally correct.

Angle addition postulate does not really apply here, as the sum of 2 angles may not give you exactly 180°.

However, the second statement, m<AKG + m<GKB = 180° and m<GKB + m<HKB = 180°, can be justified by the "Definition of Supplementary Angles".

The sum of supplementary angles = 180°.

Therefore, Becky completed the proof incorrectly.

6 0
2 years ago
Ryan’s unpaid credit card balance was $1853.68. His APR is 24.9%. What is his new balance after he makes one new transaction for
Nataliya [291]

Answer:

204

Step-by-step explanation:

7 0
3 years ago
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