Mathematics Middle School

00:00

A family drives 325 miles per day during a road trip.

Part A
Select the correct symbol to complete the inequality that represents how many days, d, the family must drive to travel at least 1,300 miles.

325d 1,300

00:00

Part B
For how many days must the family drive to travel at least 1,300 miles? Enter your answer in the box.

days

Answers

Answer 1

Answer:

Part A = the middle one

Part B = 4 days

Step-by-step explanation:

1,300 / 4 = 325

325 x 4 = 1,300

Answer 2

Inequality to represent number of days is 325d ≥ 1300.

Number of days to travel at least 1300 is 4.

What is inequality?

An inequality is a mathematical expression in which both sides are not equal. Unlike equations, inequalities compare two values. Equal signs between are replaced by less than (or less than), greater than (or greater than), or not equals signs.

Given,

Family drives 325 miles per day

To travel at least 1300 miles

Let number of days be d

then

325d ≥ 1300

Dividing with 325 on both sides

d ≥ 1300/325

d ≥ 4

Hence, 325d ≥ 1300 is the inequality that represents number of days d to travel at least. 4 days is the least number of days.

Learn more about inequality here:

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Related Questions

70% of ___ is 35.
Explain your method.

Answers

Answer:

its 50 thats the answer

Step-by-step explanation:

and also echo2155 stop deleting my answers right now

its annoying and i don't like it

please can someone help with this,ASAP,all of the questions

Answers

Answer:

Step-by-step explanation:

.36 repeating

because the 3 and the 6 repeat and it doesn't terminate

because the remainder is not 0 so that is why it repeats

Decimal value of 4/11 is 0.36 repeated
You know that the 4/11 as a decimal is repeated because the decimal does not terminate
In the division algorithm, if the remainder is zero, then the algorithm terminates, resulting in a terminating decimal. remainder repeats, the calculations that follow will also repeat in a cyclical pattern causing a repeating decimal

1/4x+17=x-4
help me and don't answer if you not gonna be serious

Answers

X = 28

1/4+17=x-4
Multiply both sides of the equation by 4
X+68=4z-16
Move variable to the left hand side and change its sign
X-4x+68=-16

X-4x=-16-68
Combine like terms
-3x=-16-68
-3x=-84
Divide both sides by -3
X=28

x equals 28

Explanation:
1/4x + 17 = x-4
move the terms
1/4x-x=-4-17
calculate
-3/4x= -21
multiply both sides
x-28
solution

I neeed hellllllllpppppppppppP!!!

Answers

Answer:

no u don cuz u didnt put yer question

Step-by-step explanation:

Answer:

on whattttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttttt

Step-by-step explanation:

here is the rest you could help me in any way

Answers

Answer:

6:$255.50

7:$21.25

8:$219.50

9:$143.75

Step-by-step explanation:

Can i have brainiest?!!!!

I think it’s 1. $255.50. 2. $21.25. 3. $18.50. 4. $106.25. Correct me if i’m wrong.

Four siblings have a dog walking business. The table shows the hours worked by each sibling. Each sibling earns $25.50 per hour and the total number of hours worked is represented by 10h+15 , where h represents the number of hours Michael worked.
Martin 2.5h+3
Emilio 4(h−2)
Michael h
Mario 31

Answers

Answer:

Martin 2.5h+3

Emilio 4(h−2)

Michael h

Mario 31

The algebraic expression is the combination of variable and constants with some mathematical operation between them. The Earning of the four siblings are $357, $244.8, $112.2 and $790.5 respectively.

What is an Algebraic expression?

An algebraic expression can be obtained by doing mathematical operations on the variable and constant terms.

The variable part of an algebraic expression can never be added or subtracted from the constant part.

Given that,

The earning of the siblings per hour is $25.50.

Total number of hours worked is 10h + 15.

As per the problem the value of h can be found by equating the total number of hours to the sum of hours worked by each sibling as given in the table as follows,

2.5h + 3 + 4(h - 2) + h + 31 = 10h + 15

⇒ 2.5h + 3 + 4h - 8 + h + 31 = 10h + 15

⇒ 7.5h + 26 = 10h + 15

⇒ 2.5h = 11

⇒ h = 11 / 2.5

⇒ h = 4.4

Thus, the earning of each sibling can be calculated by substituting h = 4.4 in their working hour and multiplying it by $25.50 as follows,

Earning of Martin is given as,

(2.5 × 4.4 + 3) × $25.50 = $357

Earning of Emilio is given as,

4(4.4 − 2) × $25.50 = $244.8

Earning of Michael is given as,

4.4 × $25.5 = $112.2

Earning of Mario is given as,

31 × $25.50 = $790.5

Hence, the earnings of the four siblings are as Martin : $357, Emilio : $244.8, Michael : $112.2 and Mario : $790.5.

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Brandon and his two friends went out for dinner. They plan to split the bill evenly, and plan to leave a 18% tip. The bill is $54.98 before the tip. Which is the closest to the amount each person will pay for the meal, including the tip?

A) $21.63

B) $32.44

C) $9.90

D) $18.33

Answers

Answer:

It will be $9.90 .

Step-by-step explanation:

(0.5*100):7.5 =

50:7.5 = 6.6666666666667

Now we have: 0.5 is what percent of 7.5 = 6.6666666666667

Question: 0.5 is what percent of 7.5?

Percentage solution with steps:

Step 1: We make the assumption that 7.5 is 100% since it is our output value.

Step 2: We next represent the value we seek with $x$.

Step 3: From step 1, it follows that $100\%=7.5$.

Step 4: In the same vein, $x\%=0.5$.

Step 5: This gives us a pair of simple equations:

$100\%=7.5(1)$.

$x\%=0.5(2)$.

Step 6: By simply dividing equation 1 by equation 2 and taking note of the fact that both the LHS

(left hand side) of both equations have the same unit (%); we have

$\frac{100\%}{x\%}=\frac{7.5}{0.5}$

Step 7: Taking the inverse (or reciprocal) of both sides yields

$\frac{x\%}{100\%}=\frac{0.5}{7.5}$

Answer:

$0.30 per ear of corn, $0.24 per apple, $0.62 per tomato

Step-by-step explanation:

As 6 ears of corn cost $1.80, 180 cents divided by 6 equals 30 cents per ear.

As 12 apples cost $2.88, 288 cents divided by 12 equals 24 cents per apple.

As 5 tomatoes cost $3.10, 310 divided by 5 equals 62 cents per tomato.

Hope the explanations help!

There are $0.30 per ear of corn, $0.24 per apple, and $0.62 per tomato. which are determined by the division operation.

What is the division operation?

In mathematics, divides left-hand operands into right-hand operands in the division operation. The primary purpose of the division is to generate equal groupings or to determine how many people are in each category after a fair distribution.

For example 4/2 = 2

As 6 ears of corn cost $1.80,

cost $1.80 divided by 6

The cost per ear = $0.30

As 12 apples cost $2.88,

cost $2.88 divided by 12

The cost per apple = $0.24

As 5 tomatoes cost $3.10,

cost $3.10 divided by 5

The cost per tomato = $0.62

Hence, there are $0.30 per ear of corn, $0.24 per apple, and $0.62 per tomato.

To learn more about the division operation click here :

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Not 6 not 5 not 8.46

Answers

Answer:

The answer is square root 72 or if you don't want to put it under the square root, just simplify and you get 8.49. Just use the distance formula.

MARK ME BRAINLIEST!!!

Answer:

The answer is the square root of 72 or it could be 8.49.

PLZ HELP ME IM VERY CONFUSED! BRAINLIEST TO THE FISRT PERSON WITH WORK! AND 50 POINTS! AND ONLY ANSWER IF YOU HAVE AN ANSWER!!!!!!!!!!

The Hamptons Family has a fish tank holding 10,450 ml of water. The water is leaking at a rate of 270 ml per minute.

Part A: Define the input and output in the given scenario.

Part B: Write a function to model this situation.

Part C: How many liters of water will be left in the tank after 10 minutes
(hint: liters, not milliliters)

Answers

Answer:

The output would depend on the input so relating this to the question, the input is the time (in minute) and the output is the amount of water left in the tank

We can give a letter 't' for the time, the input, and f(t) for the output

----------------------------------------------------------------------------------------------------------------

The original amount of water in the tank is 10450, so this will be the fixed constant.

The amount of water lost per minute is 270 so this will be the term that varies depends on the variable of time, we write this as 270t

The function is given f(t) = 10450 - 270t

--------------------------------------------------------------------------------------------------------------

Given, t = 10

f(10) = 10450 - 270(10)

f(10) = 7750 ml

Step-by-step explanation:

Answer:

Part A:

Since the rate of 270 ml per minute has units of ml per minute, then yy must have units of ml and x must have units of minutes. The input must then be the number of minutes the tank is leaking for and the output is the number of ml of water remaining in the tank.

Part B:

Since the tank is leaking 270 ml per minute, then after x minutes, 270x ml of water has leaked out of the tank. The tank initially has 10,450 ml of water so after x minutes, there is y=10,450−270x ml remaining in the tank.

Part C:

After x=10 minutes, the amount of water remaining in the tank is y=10,450−270(10)=10,450−2,700=7,750 ml. There are 1,000 ml in 1 liter so 7,750 ml = 7.75 liters. There are then 7.75 liters of water left in the tank after 10 minutes.

THIRTY POINTS TO ANSWER PROPERLY! Please show work and how you did it. Please don't be mean and post some nonsense thing to get points. :(

Answers

Answer:

simplify the r and the s and also add in the exponent to create 18r3 and 2s6 over r2 s4 and simplify here ya go 30 points

Step-by-step explanation:

jdjsjicidijwbeidiwbhdjfiwinengis

Find the mistake made in the steps to solve the equation below
6x-1=-2x+9
8x-1=9
8x=10
X=8/10
X=4/5

Answers

B because for 8x = 10 you would do 8x/8 and 10/8 which makes it 10/8 not 8/10

Answer:

Option B

Step-by-step explanation:

Option B would be the right answer because instead of 8 being divided by 10 it should be 10 divided by 8.

Let y=x^4-2. Find the average rate of change of y with respect to x over the interval (2,6)
A. 112
B. 320

Answers

I say the answer is b

1. Which choice is NOT equal to the others?

A) - 2/5
B) -2/5
C) 2/5
D) 2/-5

2. Another way to write -7/8 is

A) 7/8
B) - 7/8
C) - 7/-8

3. In the example, Francine was able to cut __ strips.

A) 6
B) 9
C) 12

Answers

1. C, 2/5

2. B, - 7/8 (if not, C)

3. Give me example in comments and I will give you this answer

The answer is c because

HELP PLEASE WITH THIS MATH PLS

Answers

4(-2/3) = -2.666666666667

You should simplify this equation into 4 x ((-2)/ 3).

Answer:

-2.666666666667

simplify this equation into 4 x ((-2)/ 3).

ANSWER THIS CORRECTLY AND I WILL GIVE YOU BRAINLIEST

Answers

Answer:

81r 4 8

Step-by-step explanation:

Answer:

81r4S*8

Step-by-step explanation:

81r*6s*12 /r2s4

subtract powers

Shannon scored 36 points on 6 questions on her test. What is the unit rate for one question?

Answers

Answer:

Step-by-step explanation:

6 is the answer for this proquestion

Order -4,9 -7 -10, and -3 from least to greatest.

Answers

Answer:

-10,-7,-4,-3,9

Step-by-step explanation:

First is -10,-7,-4,-3 and then 9 is the greatest hoped this helped

So least would be -10 and greatest would be 9

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Triangle ABC has vertices at A(-3,4), B(4, -2), C(8,3). The triangle is translated 4 units down and 3 units left. Which
rule represents the translation? After the translation, what are the coordinates of vertex C?
A)
(x,y) - (x +3. y + 4); (11,7)
B)
(x, y) - (x - 4. y + 3): -6,7)
C)
(x,y) - (x - 3. y - 4); (5.-1)
D)
(x, y) - (x - 2, y - 1); (-5,7)

Answers

Answer: C

Step-by-step explanation:

X axis -left(subtract ) to right (add)

Y-axis -up (add)and down (subtract)

Answer: C

Step-by-step explanation:

this is the rest i could really use your help

Answers

Answer:I have no idea either looks like I should study this

Step-by-step explanation:

Answer: 1st one is $200 and the 2nd one is $33

Step-by-step explanation:

i just did the questions

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