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Gennadij [26K]
4 years ago
8

Simply the expression -8 (5b + 2 ) - 7 ( b -5 ) . help please

Mathematics
1 answer:
Burka [1]4 years ago
7 0

Answer:

= −47b + 19

Step-by-step explanation:

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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

5 0
3 years ago
Is the sum of two polynomials always a polynomial
xz_007 [3.2K]
The sum of two polynomials (polynomial plus polynomial) will always result in another polynomial
6 0
3 years ago
Plz help me!!!!!i need to get this correct plz help!!!
____ [38]

Answer:

Yes

Step-by-step explanation:

Yes they are because if you divide 18 by 3 you get six and if you divide 15 by 3 you get 5, so it simplifies to 6:3 which is the same as the ratio for rings

3 0
3 years ago
Your paycheck this week is $241. You put the $114 in a savings account that pays an interest
antiseptic1488 [7]

Answer:

$122.9

Step-by-step explanation:

Given data

Principal= $114

Rate= 3.9%

Time= 2 years

The amount in the account is given as

A=P(1+rt)

substitute

A=114(1+0.039*2)

A=114(1+0.078)

A=114(1.078)

A=$122.9  

5 0
3 years ago
How to make a word problem from 115
Korolek [52]

Answer: 80 + 35 = 115

Step-by-step explanation: just an example of a word problem you can use

4 0
3 years ago
Read 2 more answers
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