"How do you use a function?
E.g. f(x) = 4x + 3, find f(2)."

Answers

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Find the greatest possible error for the given measurement if it is to the nearest 10 miles.150 mi
a.
5 mi
b.
75 mi
c.
0.5 mi
d.
7.5 mi

Answers

The greatest possible error in a given measurement is half of term'smeasuring unit; and more complex math stuff the answer is 5 miles.

Solve question in photo. Mathematics help.

Answers

Given:
2x + 3y = 1
y = x - 8

2x + 3y = 1
2x + 3(x-8) = 1
2x + 3x - 24 = 1
5x = 1 + 24
5x = 25
5x/5 = 25/5
x = 5

y = x - 8
y = 5 - 8
y = -3

x = 5 ; y = -3

2x + 3y = 1
2(5) + 3(-3) = 1
10 - 9 = 1
1 = 1

Help me factor the trinomial completely

-r^2+6r-9

Answers

-r^2+6r-9 = - ( r^2 - 6r + 9) = - ( r - 3)^2;

You've brought 5 cakes to the schooldance and you want to be sure there's
enough cake for everyone.
Here's a formula for this scenario:

y=xa/5

X = number of people at the dance
y = number of slices per cake
a = number of slices each person will eat

Answers

Answer:

Answer: b = (X*a)/y whereas b is the number of cakes.

Step-by-step explanation:

11. A certain alloy contains 14.25% nickel. How much nickel is there in a piece weighing 375 pounds?Round your answer to the nearest hundredth.A. 112.49 pounds
B. 12.24 pounds
C. 53.44 pounds
D. 78.92 pounds

12. Theresa worked 9 hours on Monday and 7 hours on Wednesday. Her total pay was $116.00. What is her rate per hour?
A. $16.57
B. $8.29
C. $7.25
D. $12.89