MATHEMATICS HIGH SCHOOL

If the sales tax rate is 7.52% in California, then how much would you pay in Los Angeles for a coat that costs $120.00?

Answers

Answer 1
Answer:

Answer:

$129.02

Step-by-step explanation:

$120 multiplied by the sales tax 1.0752 = $129.024; Round .024 to the nearest tenths to get .02

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4. Find the value of k, if x = 2, y=1 is a solution of the equation 2x + 3y=k.​

Answers

Answer:

k=7

Step-by-step explanation:

first, plug in the given values

2x+3y=k --> 2(2)+3(1)=k

-->4+3=k

-->7=k

k=7

Keith is racing his little sister Pattie and has given her a 15 foot head start. She runs 5ft/sec and he is chasing at 8ft/sec. For how long can Pattie stay ahead of Keith? Write and solve an inequality and show your work. Plz Help!

Answers

Pattie runs at 5 ft/sec
She has got a head start of 15 feet.
So after 1 second, Pattie runs = (5+15) ft                                                   
                                                  = 20 ft
After 2 second Pattie runs = (20+5)ft
                                           = 25 ft
After 3 second Pattie runs = (25+5) ft
                                           = 30 ft
After 4 seconds Pattie runs = (30+5) ft
                                             = 35 ft
After 5 seconds Pattie runs = (35+5) ft
                                             = 40 ft
After 6 seconds Pattie runs  = (40+5) ft
                                             = 45 ft
Now Keith runs at 8 ft/sec
After 1 second Keith runs = 8 ft
After 2 second Keith runs = (8+8) ft
                                           = 16 ft
After 3 second Keith runs = (16+8) ft
                                           = 24 ft
After 4 second Keith runs = (24+8) ft
                                          = 32 ft
After 5 second Keith runs = (32+8) ft
                                           = 40 ft
After 6 second Keith runs = (40+8) ft
                                           = 48 ft
So Pattie will stay ahead of Keith upto 4 seconds. In the 5th second Pattie and Keith will be level and in the 6th second Pattie will be overtaken by Keith.

1+5=12 2+10=24 3+15=36 5+25=

Answers

5+25=48 becase you add 12 each time

Adam builds model rockets. Where he lives , his backyard is 12 feet below sea level. When he ignites his rocket, it flies a maximum of 350 feet straight up into the air before releasing its parachute. What is the altitude of adams rocket at its highest point, as measured from sea level?

Answers

Answer:

The answer is 338 feet.

Step-by-step explanation:

Adam builds model rockets. Where he lives , his backyard is 12 feet below sea level.

The rocket flies a maximum of 350 feet straight up into the air before releasing its parachute.

So, the altitude of Adams rocket at its highest point, as measured from sea level = 350-12=338 feet
350 _ 12= 338 ft above sea level.

The lines 3y-x=3 and y+3=3(x-1) are

Answers

lets change the form of the equations to the canonical line equation form:
 y = mx + b

3y - x = 3
y = (1/3)x + 1

y + 3 = 3(x - 1)
y = 3x - 6

Calculate the loss on selling 50 shares of stock originally bought at 133/4 and sold at 12

Answers

The answer is $87.50. You buy 50 shares of stock for 13 3/4 each: 50 * (13 3/4) = 50 * (13 + 3/4) = 50 * (52/4 + 3/4) = 50 * 55/4 = $687.50. You sell 50 shares of stock for 12 each: 50 * 12 = $600.00. So, the loss on selling 50 shares of stock originally bought at 133/4 and sold at 12 is: $687.50 - $600.00 = $87.50.
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Edgar buys a apples, b bananas, and ccantaloupes at the farmer's market. The pricesat the market are shown in the table.FruitPrice EachApples$0.50Bananas$0.20Cantaloupes$1.50Edgar has a coupon for a free apple. If he gets5 apples, 4 bananas, and 2 cantaloupes, howmuch money does he spend? TEKS A5(A)A.1(E)$2.20$4.50$5.80$6.30
Find n. 24/48= 3/n n=_____
X+y=10 , x+z=20 , y+z=24, x+y+z=??? and why??