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natima [27]
2 years ago
7

Tell whether the angles are complementary, supplementary, or neither.

Mathematics
1 answer:
Nat2105 [25]2 years ago
4 0

Answer:they are supplementary

Step-by-step explanation:

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Car travels 100 m in 5 seconds. What is the speed the car?
weqwewe [10]
How you do this is using the formula speed = distance/time. So this is 100/5 which is 20 meters a second. Using the conversion factor (can google "20 meters per second is how many mile") 20 meters a second = 44.7 miles per hour.

In conclusion, the answer you're looking for is D. 44.7 miles per hour.
4 0
3 years ago
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Oliver works at a book store.He packed 20 identical paperbacks and 9 identical textbooks in a box .The total mass of the book wa
Natasha_Volkova [10]
Let x be the mass of the paperbacks and y be the mass of the textbook.

20x + 9y = 44.4 ----------- (1)
25x + 10y = 51 -------------(2)

(1) x 10:
200x + 90y = 444 --------(1a)

(2) x 9:
225x + 90y = 459 --------(2a)

(2a) - (1a):
25x = 15
x = 0.6 -------- sub into (1)

20 (0.6) + 9y = 44.4
12 + 9y = 44.4
9y = 44.4 - 12
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y = 3.6 

So the paperback's mass is 0.6 pounds and textbook is 3.6 pounds




7 0
3 years ago
a cup of cereal has 12 grams of fiber, which is 40% of the recommended daily allowance. what is the recommended daily amount?
svlad2 [7]
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Determine values of a, b,c, d, e for the cubic spline
Aleonysh [2.5K]
There is not enough information

6 0
3 years ago
Write an absolute value equation to satisfy the given solution set shown on a number line.
aivan3 [116]

Answer: IX - 4I ≤ 4

Step-by-step explanation:

In the numer line we can see that our possible values of x are in the range:

0 ≤ x ≤ 8

And we want to find an absolute value equation such that this set is the set of possible solutions.

An example can be:

IX - 4I ≤ 4

To construct this, we first find the midpoint M of our set, in this case is 4.

Then we write:

Ix - MI  ≤ IMI

Notice that i am using the minor and equal sign, this is because the black dots means that the values x = 0 and x = 8 are included, if the dots were empty dots, it would be an open set and we should use the <  > signs.

8 0
3 years ago
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