Mathematics Middle School

Delia spent 45 minutes working on her book report. She finished the report at 6:10 p.m. at what time did Delia start working on her report

Answers

Answer 1
All you have to do is subtract 45 from 6:10. Which is 5:65pm she started

Answer 2
5:25

just act like the time is 6:00 then minus 45 and add 10 to your answer.

Related Questions

If f(x)=|9-2x|,for which values of x will f(x)<3?

Answers

i think the answer is -4 if you subsitute x for 3

1/4 inch represents 3 feet. what is the length of a room with an actual length of 24 feet

Answers

2 inches long because 24÷3=8. 8 times .25 equals 2
The length of a room with an actual length of 24ft is 24ft(.25in/3ft)=2in

A snail moves 1/40 of a mile in 3/4 of an hour. If the snail continues at this pace, how far, in miles, does it move in one hour?
The answer is .03 or 1/30 but, Idk how to explain my answer.

Answers

1/40 ÷ 3/4 = 1/40 ÷ 4/3 = 4/120 = 1/30

A snail moves 1/40 of a mile in 3/4 of an hour. If the snail continues at this pace, how far, in miles, does it move in one hour?

In [tex] \frac{3}{4} [/tex] hour snail moves [tex] \frac{1}{40} [/tex]miles

[tex] \frac{3}{4} hour = \frac{1}{40} [/tex] miles

Let us multiply by 4 on both sides, so that we can get the distance to be traveled in 1 hour.

So, [tex] \frac{3*4}{4} hour=\frac{1*4}{40} [/tex] miles

[tex] \frac{3*1}{1} hour=\frac{4}{40} [/tex] miles

Now to get distance in 1 hour, Let us divide by 3 on both sides

[tex] \frac{3}{3} hour=\frac{1}{10*3} [/tex] miles

[tex] \frac{1}{1} hour=\frac{1}{30} [/tex] miles

In 1 hour, the snail travels [tex] \frac{1}{30} [/tex]miles

Find (2 × 104) − (3 × 103). A) 1.07 × 103 B) 1.07 × 104 C) 1.7 × 103 D) 1.7 × 104

Answers

[tex]2 \times 10^{4} - 3 \times 10^{3} = 2 \times 10^{4} -0.3 \times 10^{4} = (2.0 -0.3) \times 10^{4} = 1.7 \times 10^{4}[/tex]

Selection D is appropriate.
2 * 104 = 208

3 * 103 = 309 


208 - 309 = -101

Your answer is -101


Hope I helped!

Let me know if you need anything else!

~ Zoe

what is 0.7 divided by 792

Answers

0.7/729 equals 0.00088383838
792/ 0.7= 8.8 I think that the answer.

Kerry drove 312 miles on 11 gallons of gas. She had 175 miles left to complete her trip. How many more gallons of gas would she need?

Answers

312/11= 28.36363*175 =6.17 gallons

the town of lantana needs $14,000 for a new playground. lantana elementary school raised $5358 lantana middle school raised $2834 and lantana high school raised 4132.
about how much more money do they need to raise?

Answers

Total money needed = $14,000
Total money collected = $5358+$2834+4132 = $12324

Additional money needed = Total money - Money collected

=> $14,000 - $12,324
=> $1,676

So they need $1676 more money to be collected

In the net of a rectangular prism, each square of the grid is 1 square meter. What is the surface area of the prism?

Answers

Answer:

Step-by-step explanation:

172

Answer:

172   is your answer

Step-by-step explanation:

Last week, Mr. Thomas rode his bike 49 miles. This week, Mr. Thomas rode his bike 14 miles less than he did last week. Part A. Mr. Thomas rode the same distance each of the 7 days this week. Write an equation to find the number of miles, m, he rode each day. Part B. How many miles did Mr. Thomas ride each day? Part C. Mr. Thomas says his goal is to ride a total of 125 miles by the end of next week. He estimates that he needs to ride about 40 miles next week to meet his goal. Is his estimate reasonable? Explain why or why not.

Answers

Part A
49-14 = 35 
35/7 = 5 

Part B
5 miles each day

Part C
49+35 = 84 
84+40 = 124, which is a good estimate and it is reasonable

There are 448 reams of paper in thw supply room. Fourteen reams are used each day. At that rate, how many days will the supply of paper last?

Answers

x = number of days that have passed

448 = 14x

divide both sides by 14

32 = x
448 divided by 14 is 32 so 32 days

a projector transforms the image on a computer screen so that it is dilated by a scale factor of 7/2. if the original image in the screen is 10 inches wide, find the new width in inches after it is projected on the wall.

Answers

if i dont fail, i think it should be 35 inches

Answer:35

Step-by-step explanation:

I know the answerr

How is the following decimal number read?

28.9


A. Twenty and eight-nine tenths

B. Twenty-eight and nine hundredths

C. Twenty-eight and nine tenths

D. Twenty-eight nine

Answers

Answer:
C) twenty-eight and nine tenths

Explanation:
We have two parts here, the whole number and the decimal part.

1- for the whole number, it is read normally as counting numbers. Therefore, 28 is read as twenty-eight
2- for the decimal part, it is read based on the place-value of the number. We know that the first number after the decimal point is in the tenth position. This means that 0.9 is read as nine tenths

Combining the two, we would conclude that 28.9 is read as twenty-eight and nine tenths

Hope this helps :)

Answer:

C. Twenty-eight and nine tenths.

Step-by-step explanation:  

We have been given a decimal number [tex]28.9[/tex]. We are asked to choose the correct option that represents how to read our given decimal number.

Upon looking at our given decimal number we can see that it has one digit at tenth place that is 9, which represents that our number has 9 tenths.  

The two digits before decimal are 2 (tens place) and 8 (ones place). These digits make 28.

Therefore, the given decimal number could be read as twenty-eight and nine tenths and option C is the correct choice.

Jesse takes his dog and cat for their annual vet visit.Jesse's dog weighs 23 pounds.The vet tells him his cat's weight is 5/8 as much as his dog's weight.How much does his cat weigh?

Answers

If I’m not mistaken the cats weight is 14.4

68 is decrease by 15%

Answers

15% of 68 = 10.2

68 - 10.2 = 57.8


68 decreased by 15% is 57.8

What does an r value of −1 represent in correlation?

Answers

It means the scatter plot is a line with negative slope. The relation is perfectly described by a linear equation.

Rhonda is playing a board game. The players take turns rolling a pair of number cubes. On her next turn Rhonda must roll a 5 to win the game, but if she rolls a double she gets an extra turn.
a. Explain why the events Rolling a 5 and Rolling Doubles are mutually exclusive.

b. If the probability of rolling a 5 is 1/9 and the probability of rolling doubles is 1/6, what is the probability that Rhonda rolls either a 5 or doubles on her next turn. Express your answer as a fraction in simplest form.

Answers

a) We presume "roll a 5" means rolling the dice so they come up with a total of 5 spots on top. 5 is not an even number, so when 5 is showing, the numbers on the two dice must be different, hence cannot be doubles.

b) Since these events are mutually exclusive, we can simply add their probabilities: (1/9) +(1/6) = 2/18 +3/18 = 5/18.

Julio is in Colorado exploring part of the Denver Zoo as shown he starts at the felines exhibit and travels 3 unit to the right and 5 units up at which exhibit is Julio located at the felines exhibit is located at (3,1) what are the coordinates of Julio's new location

Answers

Starting with his original coordinates (3, 1), going 3 units right gives us (3+3, 1) = (6, 1).  Going 5 units up then gives us (6, 1+5) = (6, 6) for his new location.
Final answer:

To find Julio's new location at the Denver Zoo, we add his horizontal and vertical movements to his starting coordinates. After moving 3 units to the right and 5 units up from the felines exhibit at (3,1), Julio's new location is at coordinates (6,6).

Explanation:

The student is asking about a basic coordinate geometry problem. Julio is at the felines exhibit at coordinates (3,1). To find Julio's new location after traveling 3 units to the right and 5 units up, we add the horizontal and vertical movements to his starting coordinates.

The movement to the right corresponds to an increase in the x-coordinate, while the movement up corresponds to an increase in the y-coordinate. Starting from the point (3,1), moving 3 units to the right means the x-coordinate changes from 3 to 3 + 3 = 6. Moving 5 units up means the y-coordinate changes from 1 to 1 + 5 = 6. Thus, Julio's new coordinates are (6,6).

An author is paid $500 as an advance on their book plus an additional $4 for every book sold. If the author earns $880, how many books has he or she sold?

Answers

x will stand for every extra book sold

880 = 4x + 500
subtract 500 from both sides

380 = 4x
divide both sides by 4

x = 95
they sold 95 books

The cost of attendance at State College is $19,500 for the first year. Devise a periodic savings plan that will allow you to make small deposits for 5 years at a simple interest rate of 1.5% and save enough to pay for the first year at the college.

I only want verified answers
pls dont answer if you dont know or you are not an expert

Answers

simple interest rate for one year = 1.5%
simple interest rate over 5 years = 1.5 x 5 = 7.5%

100% + 7.5% = 107.5%
107.5% = $19500
1% = 181.3953
100% = $18140.50

He needs to put in $18140.50 so that he can get $19,500 at the end of 5 years. 

I have four questions please answer all! With data/evidence

1. A = 0.225 mi2 b= 0.6 mi h= ?

2. A= 4.86 yd2 b= ? H= 1.8 yd

3. A= 63 m2 b= ? H= 12m

4. A= 2.5 km2 b= 5km h= ?

2 means squared, and solve the question marks

Answers

To answer all these questions you will use the formula A= bh. In words this means to find the area you multiply the base times the height. For each of these examples, you are given the area and you have to find the missing dimension. Each of these will be set up as four separate equations that need solved. Here they are 0.225=0.6h, 4.86=1.8b, 63=12b, and 2.5=5h. To solve all four of these and show evidence, you were divided the area by the dimension that you know. 0.225÷0.6, 4.86÷1.8, 63÷12, and 2.5÷5. With any multiplication equation if you know the total, you have to divide to find the missing part. The answers for each of these in order that they are presented our 3.75 miles, 2.7 yards, 5.25 m, and 0.5 km. None of the answers are square units because they are only giving a one dimensional measurement.

Drawing a vowel from letter tiles that spell out MATHEMATICS.

Answers

Well because the question isn’t specified, I can only assume that this is a probability question?
Answer: There are 4 vowels out of the 11 total letters in the word MATHEMATICS. 4/11 is 0.3636... or approximately 36%.
This means that there is a 36% chance of drawing a vowel from the word MATHEMATICS.

Final answer:

Explanation of drawing a vowel from the letters spelling MATHEMATICS focusing on vowels A, E, and I.

Explanation:

Vowels are fundamental in the English language. When drawing a vowel from the letters that spell out MATHEMATICS, we identify the vowels to be A, E, I. Therefore, drawing a vowel from these letters could result in A, E, or I.

Use the chart to multiply the binomial by the trinomial. Which polynomial is the correct product?
15y3 + 17y2 + 22y + 15 6y3 + 17y2 + 22y + 15 6y3 + 20y2 + 22y + 15 6y3 + 17y2 + 22y + 25

Answers

The awnser is :
6y^3 + 17y^2 + 22y + 15
Hope it helps

Answer:  [tex]6y^3 + 17y^2 + 22y + 15[/tex]

Step-by-step explanation:

Here, the given expression, [tex](2y+3). (3y^2+4y+5)[/tex]

By applying distribution property in second bracket,

=  [tex]3y^2(2y+3)+4y(2y+3)+5(2y+3)[/tex]

=  [tex]6y^3+9y^2+8y^2 +12y+10y+15[/tex] ( again by applying distributive property)

= [tex]6y^3+17y^2 +22y+15[/tex]  ( by adding like terms)

Thus, [tex](2y+3). (3y^2+4y+5)[/tex]= [tex]6y^3+17y^2 +22y+15[/tex]


PLEASE HELP PLEASEEEEEEEEE

Problem Nell's mom makes chocolate milk with 30mL of chocolate syrup for every 2 ounces of milk. Nell's dad adds 65mL of chocolate syrup for every 5 ounces of milk. Whose chocolate milk is more chocolatey?

a- Nell's Mom
b-Nell's Dad
c- They're both equally chocolately

12 POINTSS

Answers

Nell's mom: 30 mL for 2 ounces = 15 mL for 1 ounce

Nell's dad: 65 mL for 5 ounces = 13 mL for 1 ounce

15 > 13
Therefore, Nell's mom's chocolate milk is more chocolately.

Answer:

(A) Nell's mom

Step-by-step explanation:

It is given that Nell's mom makes chocolate milk with 30mL of chocolate syrup for every 2 ounces of milk.

⇒For 1 ounce of milk, she will make chocolate milk=[tex]\frac{30}{2}=15mL[/tex]

Also, it is given that Nell's dad adds 65mL of chocolate syrup for every 5 ounces of milk.

⇒For 1 ounce of milk, he will make chocolate milk=[tex]\frac{65}{5}=13mL[/tex]

Since, Nell's mom made 15mL of chocolate milk and his dad made 13mL of chocolate milk, thus Nell's mom made chocolate milk more chocolatey.

Hence, option A is correct.

Factor ax^2−ay−bx^2+cy+by−cx^2

Answers

ax^2−ay−bx^2+cy+by−cx^2
[tex]a\left(x^2-y\right)-bx^2+by+cy-cx^2[/tex]
[tex]a\left(x^2-y\right)+b\left(y-x^2\right)+cy-cx^2[/tex]
[tex]\left(x^2-y\right)\left(a-b\right)+cy-cx^2[/tex]
[tex]\left(x^2-y\right)\left(a-b\right)+c\left(y-x^2\right)[/tex]
[tex]\left(x^2-y\right)\left(a-b-c\right)[/tex]

write an equivalent equation that does not contain parentheses for 3(k-x) = -3x-9

Answers

3(k-x)= -3x-9
3k - 3x = -3x - 9 ← equation without parentheses
3k - 3x + 3x = - 9
3k = -9
k = -9/3 
k = -3  ← simplest form

Find the percent markdown rounded to the nearest percent

Answers

You are going to find the different of the new price from the old price . 175.90-153.77=22.13

then you divide the difference by the new prince 22.13/153.77= 0.1439

you are you to multiple the decimal by 100

Your answer is going to be 14.39 
Your estimate can be 14%

4 spoons and 3 forks cost $15 4 spoons and 1 fork cost $13 how many do the forks cost?

Answers

Let's say that s=spoons and f=forks. 

According to this, we can say that:

{4s+3f=15
{4s+f=13

This is a system. 

We can then use elimination to solve and isolate the variable:
(4s-3f=15)
- (4s+f=13)

We can then subtract and conclude that:
-4f=2
-f=1/2
f=-1/2

Ben works part time in a warehouse . His boss is going to send one employee home early . Of his 56 employees 21 are part time . If the boss picks one employee at random what are the chances it will be a part time emplyee sent home ?

Answers

21/56 is the chances of him being sent home early

A suit is on sale for $272 , which is 15% less than the regular price. What is the regular price?

Answers

To find the original price of a discounted object, we must use the following equation...

Original Price = Discounted Price * (Discount % + 1)
Original Price = 272*(1 + 0.15) = $312.80

Therefore, the original price is $312.80

- What coins would you use to buy a toy for $0.67 ? -- What coins would use to buy a pencil for $0.10? -- What coins would you use to buy a bag of chips for$0.35?

Answers

1-  2 quarters, 1 dime, 1 nickel, 2 pennies
2-  1 dime
3-  1 quarter, 1 dime
$0.67= 2 quarters, 1 dime, 1 nickel, 2 penny
$0.10= 1 dime
$0.30= 1 quarters, 1 nickel
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