Consider the function f(x)=−2/3x+5 . What is f(1/2) ?

Mathematics

2 answers:

Mariana [72]4 years ago

8 0

Answer:

5 1/3

Step-by-step explanation:

f(1/2) means the value of f(x) when x = 1/2.

So we substitute for x:-

f(1/2) = 2/3(1/2) + 5

= 2/6 + 5

= 5 1/3 (answer)

Alja [10]4 years ago

5 0

Answer:

2/5

Step-by-step explanation:

1/2 you would fill in for X the rest you would just cancel out and then divided 5 and 2 and you get a decimal and then turn into a fraction

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onji has $5.25 in nickels and dimes.The coin value can be modeled by the equation 0.10d + 0.05n = 5.25, where d represents the n

Maru [420]

This is how you solve this problem:
.10d + .05n = 5.25

(plug in the number of dimes we have)

(21 x .1) + .05n = 5.25

(multiply number of dimes x value of the dime)

2.10 + .05n = 5.25

(subtract 2.10 from both sides)

.05n = 3.15

(divide both sides by .05 to get the number of nickels)

n = 63 nickels

Hope this helps!

3 0

3 years ago

Please help me answer this.

adoni [48]

Answer:

See explanation

Step-by-step explanation:

Statements Reasons

1. $\overline{AD}\parallel \overline{BC}$ Given