MATHEMATICS HIGH SCHOOL

Question 1 (10 points)(03.01 MC)

A video game is on sale at Amazon for 30% off the original price of $28.50. Both Pat and Henri want to purchase the game, but they only have $22 each. They each have to pay 10% sales tax. Pat and Henri have different strategies to calculate the price and decide if they have enough money to get the game.

Pat takes 30% of $28.50 and subtracts that from the original price. She takes 10% of the sale price and adds it to the sale price to find the total amount she would have to pay.

Henri finds 70% of the original price and then calculates 110% of the sale price.

Will Pat's strategy calculate the correct total? Explain the calculations.

Will Henri's strategy calculate the correct total? Explain the calculations.

Do they each have enough to purchase the game?

Explain your answers using complete sentences and show your work. (50 points)

Answers

Answer 1
Answer:

Answer:

hiiii we meet again.......

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Jana and her friend bought 4 hamburgers, 3 orders of fries, and 2 milk shakes for $3 each. They paid for the food with $20. Which part of the equation represents the total cost of their items? Justify your answer. c = $20 - (4h + 3f + 6) A) $20; They paid $20 for the food. B) (4h + 3f); Find the total cost by adding the price of 4 hamburgers to the price of 3 fries C) 4h + 3f + 6; Find the total cost by adding the price of 4 hamburgers to the price of 3 fries to the price of 2 milkshakes. D) c = 20 - (4h + 3f + 6); Find the total cost by subtracting the price of 4 hamburgers to the price of 3 fries to the price of 2 milkshakes.

Anthony has a part-time job. He decides to save $10 for every $50 that he spends. Final question: If Anthony saved $60, how much money did he earn?​

Answers

Answer:

300$

Step-by-step explanation:

If he save 10 for every 50, you  just divide. 60/10 = 6. He saved 6 times, if each time he saves he has 50 extra dollars, 6 * 50 = 300 because 6*5 = 30 and there is a extra 0 so 30 and 0 is 300

What is the intersection point of 2x+19y=3 and 1x-3=7y

Answers

2x+19y=3\n19y=-2x+3\ny=-(2)/(19)x+(3)/(19)\n\nx-3=7y\ny=(1)/(7)x-(3)/(7)\n\n-(2)/(19)x+(3)/(19)=(1)/(7)x-(3)/(7)\n-(14)/(133)x+(21)/(133)=(19)/(133)x-(57)/(133)\n(78)/(133)=(33)/(133)x\n(78)/(33)=x\nx=(26)/(11)\n\n((26)/(11))-3=7y\n((26)/(11))-(33)/(11)=7y\n(-7)/(11)=7y\n-11=y

(26/11, -11)
2x + 19y = 3 ⇒ 2x + 19y = 3 ⇒ 2x + 19y = 3
1x - 3 = 7y    ⇒ 1x -   7y = 3 ⇒ 2x + 14y = 6
                                                        5y = -3
                                                         5      5
                                                             y = -3/5
                                          2x + 19(-3/5) = 3
                                             2x - 11 2/5 = 3
                                                  +11 2/5  +11 2/5
                                                           2x = 14 2/5
                                                            2          2
                                                             x = 7 1/5
                                                       (x, y) = (7 1/5, -3/5)

This question was on the most recent SAT Mathematics Level 2 test. If two spheres with unequal diameters intersect, what could be the intersection?a. a point
b. a circle
c. a sphere
d. a point or a sphere
e. a circle or a sphere

99 points. Please provide a detailed and explanative answer.

Answers

It could be a point or a circle.

If the two spheres are tangent, then the intersection is by definition a point.

Since the two spheres are of unequal diameter, their intersection can't be a sphere (that can only happen if the spheres are of the same diameter and at the same point, then they overlap everywhere).

Now what happens if the two spheres are drawn close to each other a random way ? Well, they will intersect along a circle [see the image attached].

If you want more explanations/..., feel free to ask.

A Circle or point is your answer

See attached pictures

Please help I give Brainllest, stars, and hearts!Write a unit rate for the situations.

30 milliliters every 4 hours
milliliters per hour

Answers

Answer is in screenshot. Can I now have Brainliest?

552.5 is what percent of 425

Answers

percent means parts out of 100
x%=x/100
'of' means multiply
552.5=x/100 times 425
divide bothsides by 425
552.5/425=x/100
multiply both sides by 100
55250/425=x
use calculator
130=x


answer is 130%

Please help me with these transformations​

Answers

6. Rotate 180 degrees from origin and shift 5 units down.

7. Scale 2x at origin and reflect across the Y axis. The sizes are different so it’s similar

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