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Vlad1618 [11]
2 years ago
6

9a+8+1b−3a+2b−9 Pls solve this for me i been at it for hours

Mathematics
2 answers:
Stolb23 [73]2 years ago
6 0

Answer:

Step-by-step explanation:

-18

Lady bird [3.3K]2 years ago
3 0

Answer:

6a−1+3b

explanations:

1) simply 1 x b to b

9a+8+b−3a+2b−9

2)collect like terms

(9a−3a)+(8−9)+(b+2b)

then simplify: 6a−1+3b

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Number 8 please it will help a lot
pickupchik [31]
Well it all depends on the object you are using but in this case lets say remote control cars. You can have an example like "we drove the car around the building twice. the first time it was -8 than how fast it was supposed to go. the second time it was 9. In which round was the car faster?" I dont think i helped very much but i hope i did


5 0
3 years ago
Due in 5 mins helpuhjj
jeka94

Answer:

n-5

Step-by-step explanation:

If n is the number, then the equation is n-5 because the number decreases by 5 each time.

8 0
3 years ago
The difference in the measures of two complementary angles is 12 degrees. find the measure of the angles?
8090 [49]

If two angles are complementary, the sum of their measures is 90 degrees. Call one of the angles x. This means that its complement is 90 - x degrees. But the difference in their measures is 12 degrees.
6 0
2 years ago
Read 2 more answers
Which of the following angles is in the solution set of sec^2θ - 3secθ - 2 = 0 for 0° ≤ θ < 360°.
STALIN [3.7K]
1 / cos^2 O - 3 / cos O - 2 = 0
1 - 3 cos O -  2 cos^2 O = 0

2 cos^2 O + 3 cos O - 1 = 0

cos O = 0.2807 , -1.78   ( -1.78 cannot be a solution)

O = 74 degrees  (from  0.2807) another solution is 360-74 =  286 degrees

Its D
4 0
3 years ago
Ian walked 4 miles in 90 minutes. Bob walked 7 miles in 2.5 hours. Are these rates in proportion? If no, who walked faster?
Yuliya22 [10]

Answer:

<h3>Bob walked faster than Ion.</h3>

Step-by-step explanation:

90/4=22.5

Ian - 1 mile in 22.5 minutes

2x60=120

60/2=30

120+30=150

150/7=21.43

Bob - 1 mile in 21.43

5 0
3 years ago
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