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mestny [16]
3 years ago
6

Grade 9 math

Mathematics
1 answer:
stellarik [79]3 years ago
6 0
If you insert 0 in the first formula, that means that they both haven’t worked yet, you have 18x3=54 dollar. This means that they earned money before working and that is not the situation. The second formula is also not true, because if they work for 1 hour, so you insert, you get a negative value, so they lose money.
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Membership in a digital library has a $5 startup fee and then cost $9. 95 per month memberships in a video streaming service cos
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Answer:

Step-by-step explanation:

Add the cost of the start fee with membership for 'M' months ans the video streaming service for 'M' months

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C = 5 + 9.95M + 7.99M

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3 years ago
Consider the figure below where MN is parallel to PQ, angle PTS is equal to (19x +5) and angle NST is equal to (17x +15), determ
topjm [15]

From the figure shown where MN is parallel to PQ:

m<MSR   =  100°

m<STQ   =  80°

By carefully observing the figure shown:

<MSR is vertically opposite to <NST

Vertically opposite angles are equal

m<NST  =  (17x  +  15)

<NST is alternative to <PTS

Alternative angles are equal

Therefore, m<NST  =  m<PTS

m<NST = 17x + 15

m<PTS  =  19x + 5

17x  +  15   =  19x  +  5

19x  -  17x =  15  -  5

2x   =  10

x   =  10/2

x   =  5

m<NST  =  17x + 15

m<NST  =  17(5)  +  15

m<NST  =  100°

Since m<MSR  =  m<NST

m<MSR   =  100°

m<PTS  =  19x + 5

m<PTS  =  19(5)  +  5

m<PTS  =  100°

m<PTS  +  m<STQ  =  180° (Sum of angles on a straight line)

100   +  m<STQ   =  180

m<STQ   =  180 - 100

m<STQ   =  80°

From the figure shown where MN is parallel to PQ:

m<MSR   =  100°

m<STQ   =  80°

Learn more here: brainly.com/question/25022812

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Algebra errors to avoid
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see image

Step-by-step explanation:

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A ∪ B= {a,b,c,d,e,f} and B= {b,d,f} then, which set presents set A?
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A rectangle is 15 cm wide and 18 cm long. If both dimensions are
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Step-by-step explanation:

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