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Anastaziya [24]
3 years ago
11

True or false that the opposite of a number is always positive

Mathematics
1 answer:
lubasha [3.4K]3 years ago
3 0
False because if it’s a positive number then the opposite is gonna be a negative
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Angle A and Angle B are supplementary angles. The ratio of the measure of Angle A to the measure of Angle B is 5:4. Find the mea
tatyana61 [14]

Answer:

Angle A = 100°

Angle B = 80°

Step-by-step explanation:

Supplementary angles sum 180°

Angle A to Angle B ratio is 5:4, you can write that ratio using a factor.

Angle A = 5x

Angle B = 4x

Since the sum is 180°

Angle A + Angle B = 180°

5x + 4x = 180°

9x = 180°

x = 20°

Replacing x = 20°

Angle A = 5(20°) = 100°

Angle B = 4(20°) 80°

6 0
3 years ago
Pls help quick this is timed DDDDD:
Olenka [21]

Answer:

1400

Step-by-step explanation:

it will be easier to first do 30 times 60, which is 180, then subtract the parts

the left up part is 100, the left bottom is 150, the top right is 150, added together, is 400

1800-400

6 0
3 years ago
G(x) = x3 + 6x2 + 12x + 8<br><br><br><br> Determine the function’s value when x = −1.
salantis [7]

Answer:

g(-1) = 1

Step-by-step explanation:

Synthetic division is by far the fastest way to evaluate this function at x = -1.  Set up synth. div. as follows:

-1   )   1    6    12    8

              -1    -5    -7

     ----------------------

         1     5     7     1                

since the remainder is 1, g(-1) = 1

5 0
3 years ago
Y= 8x + 168 show your work
malfutka [58]
Y=8x+168 is the answer
8 0
3 years ago
Mavis has read 713 pages of a novel to the nearest ten about how many pages has mavis read ?
erastova [34]

Answer:

710

Step-by-step explanation:

7(1)3≈710 (after 1 is coming 3, and it's less than 5, so 1 remains the same, and 3 turns 0)

8 0
2 years ago
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