MATHEMATICS COLLEGE

What is the surface area of the pyramid 8in 8 in 6in.

Answers

Answer 1

Answer:

Answer:

mhbdjhdfvvbjd

Step-by-step explanation:

hbgjtrhkbgb

Answer 2

Answer:

Answer:

384 inches

Step-by-step explanation:

A=lwh

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Evaluate the function.f(x)=-2x^2-7x+6Find f(−3)

2. Jack’s parents were planning a big birthday party for him. Answer the questions below. Show your work for all parts.a. His parents spent $4.49 on each of 6 goodie bags. How much did they spend on goodie bags?

b. They spent $150 to rent a bounce house for 8 hours. How much is the hourly rate for the rental?

c. If the parents spent a total of $400 on everything for the party, how much more did they spend in addition to what was spent in parts (a) and (b)?

Answers

A. Do 4.49 times 6 B. Do 150 divided by 8 C. I belive you add the answers for A and B and then subtract that from 400 and then that’s your answer for part C

1. Line L passes through point (-1, 2) and (-3,-2) on a coordinate plane. LineM passes through the points (1.1) and (-1, W). For what value of W will make
line L and line M parallel.

Answers

Answer:

Slope of a line passing through ( $x_(1)$ , $y_(1)$ ) and ( $x_(2) , y_(2)$ ) is given by:

$(y_(2)-y_(1) )/(x_(2)-x_(1))$

Now,

Slope of line L, (m) = $(-3-(-1))/(-2-2)$ = 0.5

Slope of line M, (n) = $(-1-1)/(W-1)$ = $(-2)/(W-1)$

If the lines L and M are parallel to each other,

m = n

or, 0.5 = $(-2)/(W-1)$

or, 0.5 (W - 1) = -2

or, W - 1 = -4

or, W = -3

Therefore the required value of W is -3.

Jamie ordered 200 business cards and paid $23. She ordered 500 business cards and few months later and paid $35. WRITE and SOLVE a linear equation to find the cost to order 700 business cards.

Answers

Find the unit rate of the previous two. use that to plug in 700

An electronics store has a current inventory of 50 stereo systems. The lowest priced stereo system in the store sells for $800, The lowest priced stereo system in the store sells for 800 dollars, and the highest priced stereo system sells for $3000. and the highest priced stereo system sells for 3000 dollars. Which of the following is the maximum amount of $3000 systems on hand Which of the following is the maximum amount of 3000 dollar systems on hand if the current inventory totals $111,000?The answer is 32, I need an explanation how to find the answer.

Answers

B) 32

Explanation:

let H = number of expensive high price stereo

systems

let L = number of less expensive low price

stereo systems

H +L = 50 =

3,000H + 80OL = 110,000

H = 50 - L (now replace)

3,000 (50 - L) + 800 L = 110,00

150,000 - 3,000L + 800L = 110,000

150,000 - 110,000 = 3,000L - 800L =

40,000 = 2,2OOL

L = 40,000 / 2,200 = 18.18 = 18 lower priced = =

stereo systems H = 50 - 18 = 32 higher priced stereo systems

=

=

(3,000 x 32) + (800 x 18) = 96,000 + 14,400 = 110,400

Even though the answer is not exact, if you had 33 high cost stereo systems, your inventory's cost = $112,600 which is $1,600 off

Which of the following pairs of functions are inverses of each other?