Plz Answer This Mathematics Question??? NEED HELP ASAP

Answer:

216 x 10 13 (13 is the number that goes above of the 10)

Step-by-step explanation:

Multiply 8.1 x 10. 81

Multiply 4.5 x 10. 45

Add 81 + 45. 216

Add the scientific notions (8 + 5) . 13

216 x 10 13

Hope I helped!

In 1992, Jason bought a gallon of gas for $1.17. Yesterday, he bought a gallon of gas for $2.19. What is the percentage increase of the price of a gallon of gas from 1992 to yesterday? If necessary, round to the nearest tenth of a percent.

A) 53.4%
B) 46.6%
C) 87.2%
D) 12.8

PLZ HELP!!

1. Identify the following situation or equations as proportional or non-proportional and explain your reasoning.


The total cost of rent is determined by recording x months of rent at $1400 per month, plus a $150 application fee.

if x = y then what is x don't answer that the among us code isTMZFUF

please answer the question on the picture

I'm confused, is it A or D?

Please help 20 points
The number of kilograms that an object weighs varies directly as the number of pounds. If an object weighs 45 kilograms or about 100 pounds, about how many kilograms is an object that weighs 70 pounds?

help me with this please

1. The school office is now selling neon mechanical pencils. If the office pays $10.80 for a dozen pencils, how much should be charged to make a profit of 75 cents each?
2. Several cases of 16-ounce bottles of water were purchased for $252.00. If one case costs $7.00, how many cases were purchased?
3. Okolona College ordered jerseys to sell at the homecoming game. The college paid $9.25 each for 225 jerseys. Each jersey was sold for $15.75. What was the percent of markup for each jersey? How much profit was made if all of the jerseys were sold?
4. A truck traveled 654 miles on a long distance run. If the truck averaged 55 mph, how many hours did it take to reach the truck's destination? (Round to the nearest hour)
5. Della Riley borrowed $2400 for 6 months to invest in a business venture. If she agreed to pay 8% interest annually, how much will she be repaying?
6. It takes Dan an average of 45 minutes each evening to do his chemistry homework. Dan calculates that he worked a total of 3 hours on chemistry last week. Assuming that Dan worked his average time per evening consistently, how many evenings did Dan work?
7. Jon's car averages 20 mpg in town and 28 mpg on the road. What is the percent of decrease between the two driving conditions?

A toy store’s percent of markup is 35%. A model train costs the store $200. Find the markup.

Athena was completing a puzzle picture by connecting ordered pairs of points. Her next point is described below:

X-coordinate (-1)


Which ordered pair could be Athena's next point? (ASAP AND I WILL GIVE BRAINLIEST)

Please help! ASAP! I will give brainliest!!
Tara works at a call center for a home shopping network. The table below shows the number of orders placed with the network per day based on the number of calls received per day by the network.

Number of Calls, x 200 250 300 350 400
Number of Orders, N 170 225 272 326 374

Which equation best models this set of data?
A. N = x2 - 27
B. N = -x2 + 27
C. N = -x + 27
D. N = x - 27

Which equation is not a linear function?
A. y=x+2
B. y=x-2
C. y=x2
D. y=2x

which of the following is the ratio of boys to girls in tamir's math class?
12/27
12/15
15/12
27/12

Find the sum of the roots of the quadratic x^2 + 7x - 13 = 0

What is 4 ÷ 3/5 plz help

how to graph x<-28 on a number line

Brandon came home from school and informed his mother that he had volunteered to make cookies for his entire grade level.He needs 3 cookies for each of the 36 students in seventh grade. Unfortunately, he needs the cookies the very next day! Brandon and his mother determined that they can fit 96 cookies on two cookie shIs the number of cookies proportional to the number of cookie sheets used in baking?
Create a table that shows data for the number of sheets needed for the total number of cookies baked.

Number of pans
Number of cookies


2
36


4
72


10
180


16
288


The unit rate of x/y is __________.
Constant of Proportionality:_______.
Explain the meaning of the constant of proportionality in this problem?

Two pounds of peaches cost $4.50, 5 pounds cost $11.25, and 10 pounds cost $22.50. Show that the relationship between the number of pounds of peaches and the cost is a proportional relationship.


Y Cost
$4.50






X pounds
2







k=y/x Write an equation where y is the cost and x is the number of pounds.

Find the arc length of the partial circle.
Either enter an exact answer in terms of \piπpi or use 3.143.143, point, 14 for \piπpi and enter your answer as a decimal.

please help!!

A jar contains only​ pennies, nickels,​ dimes, and quarters. There are 29 ​pennies, 13 ​dimes, and 21 quarters. The rest of the coins are nickels. There are 91 coins in all. How many of the coins are not​ nickels? If n represents the number of nickels in the​ jar, what equation could you use to find​ n?

Anybody need help with some work?
Don't feel like scrolling thru the thing so just put them here lol
Doesn't matter what subject.

A(n) _________ states that two quantities either are not equal or may not be equal
a. Algebraic inequality
b. Compound inequality
c. Inequality
d. Solution set

PLEASE IM BEGGING YOU

Diego measured the length of a pen to be 22 cm.

The actual length of the pen is 23 cm.

What is the percent error for Diego’s measurement?

Explain or show your reasoning.

Please help me i would appreciate it

find the value of (3/4)²

help again. thanks again for helping me. also take ur time.

4(8x + 1) - 6(1 - 8x) .......

PLEaSE HELP THIS IS THE LAST ONEEE!!!!!1

What is the solution for -10 -19

A.)x > -19
B.)x -1

I need one ratio equivalent to the ratio of white socks to brown socks. I already have 28/1 and I need one more