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Lady bird [3.3K]
2 years ago
6

Simplify the expression 21b4 − 3b by combining like terms.

Mathematics
1 answer:
mrs_skeptik [129]2 years ago
4 0
I think the answer is number 3
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Let the function f(x) have the form fx) = Acos(x+C). To produce a graph that matches the one shown below, what must the value of
slava [35]

Answer:

B. 4

Step-by-step explanation:

The given function is of the form:

f(x) = A \cos(x+C).

A is called the amplitude of the given function.

We can read from the graph that, the function ranges between:

-4 and 4

This implies that:

|A| = 4

Therefore the amplitude of the function is 4.

Hence the value of A must be 4.

8 0
3 years ago
At a bargain store.Tanya bought 5 items that each cost the same amount. Tony bought 6 items that each cost the same amount, but
Ray Of Light [21]

(A) For x representing the cost of one of Tanya's items, her total purchase cost 5x. The cost of one of Tony's items is then (x-1.75) and the total of Tony's purchase is 6(x-1.75). The problem statement tells us these are equal values. Your equation is ...

... 5x = 6(x -1.75)

(B) Subtract 5x, simplify and add the opposite of the constant.

... 5x -5x = 6x -6·1.75 -5x

... 0 = x -10.50

... 10.50 = x

(C) 5x = 5·10.50 = 52.50

... 6(x -1.75) = 6·8.75 = 52.50 . . . . . the two purchases are the same value

(D) The individual cost of Tanya's iterms was $10.50. The individual cost of Tony's items was $8.75.

6 0
2 years ago
Please answer quickly
docker41 [41]

THE ONE ABOVE IS WRONG

HOPE THIS HELPS!

4 0
3 years ago
Read 2 more answers
Ltiply.<br> 5. 20 x 0.25
AlekseyPX

Answer:

1.30

Step-by-step explanation:

When you multiply 5.20x0.25 you get 1.30

4 0
3 years ago
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Which number line shows the solution to 2/3x - 5 &gt; 3
NNADVOKAT [17]

Answer:

3

Step-by-step explanation:

7 0
3 years ago
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