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alukav5142 [94]
4 years ago
14

A pen cost y dollars,how much will 25 such pens cost

Mathematics
1 answer:
Gekata [30.6K]4 years ago
4 0
An equation could be x=25y.
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T=√k(k-b)(k-m).... make b the subject of the formula​
Liono4ka [1.6K]

Answer:

b = -T²/k(k-m)  + k

Step-by-step explanation:

Given the equation T =√k(k-b)(k-m), we are to make b the subject of the formula​

Square both sides

T² = (√k(k-b)(k-m))²

T² = k(k-b)(k-m)

T²/k(k-m) = k-b

Rearrange

k - b = T²/k(k-m)

b - k = - T²/k(k-m)

Add j=k to both sides

b - k + k = - T²/k(k-m)  + k

b = -T²/k(k-m)  + k

This gives the required expression

5 0
3 years ago
|-46| Evaluate your expression
Hatshy [7]

Answer:

46

Step-by-step explanation:

Taking the absolut value means taking an expression's distance from zero (like on a number line).

-46 is 46 units away from zero, therefore your answer is 46.

5 0
4 years ago
Dotti and Bud bought two identical watermelons. Dotti cut her watermelon into 3 pieces and ate 2 of the pieces. Dud cut his wate
avanturin [10]

Answer:

He ate 2 peices


Step-by-step explanation:

he ate 2/9ths of a watermelon


5 0
3 years ago
Read 2 more answers
Complete the following statements for the cosine function shown in the graph.
loris [4]

First Part:

The minimum value is -0.75

The maximum value is 0.75

Second Part:

The amplitude is 0.75

Third Part:

An equation for this function is y = 0.75cos(x)

6 0
4 years ago
Find the measure of angle A​
Wewaii [24]

Answer:

x=19

Step-by-step explanation:

3 0
3 years ago
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