Answer:
A. 5x = 45
Step-by-step explanation:
To check, substitute 9 for x in each equation.
A. 5*9 = 45
B. 2*9 ≠ 20
C. 4 + 9 ≠ 12
D. 9 +7 ≠ 26
help please, little confused.....................................
Answer:
3(3) + 0.75(2) = (3 + 0.75)x
Step-by-step explanation:
The cost per pound of the mixture is the total cost divided by the total weight.
3 lb granola at $3 per lb has a cost of 3(3)
0.75 lb of raisins at $2 per lb has a cost of 0.75(2)
The total cost is 3(3) + 0.75(2)
The mixture has an unknown cost per lb, so we call it x.
When you multiply the cost per lb of the mix by the total weight, you get the total cost.
Total weight of mix: 3 + 0.75
Cost per lb of mix: x
Total cost of mix: (3 + 0.75)x
Above, we know the total cost is 3(3) + 0.75(2)
We set these two amounts equal to get our equation.
3(3) + 0.75(2) = (3 + 0.75)x
Answer: 3(3) + 0.75(2) = (3 + 0.75)x
A rental company charges $40 a day and 30 cents a mile for renting a truck. Michael rents a truck for 5 days, and his bill comes to $314. How many miles did he drive?
2c+7k=t-2 solve for c
Answer:
c = (t - 2 + 7t) / 2
Step-by-step explanation:
We can isolate c, getting 2c = t - 2 + 7t.
Then, we can divide both sides by 2, getting c = (t - 2 + 7t) / 2.
If U is between T and B. Draw and find the value of “x” and then the measure of TU. Enter TU into the answer box. ROUND TO THE NEAREST TENTH! TU = 4x, UB = 8x - 32, TB = 97 please help meee
Mario has LaTeX: 2\frac{1}{4}2 1 4 pounds of trail mix. He puts equal amounts of the trail mix into 6 bags for a hike with his friends. If he uses all of the trail mix, how many pounds will be in each bag?
Answer:
0.375 poundsStep-by-step explanation:
Let the amount of trail mix in each bag be x pounds. If Mario has [tex]2\frac{1}{4}[/tex] pounds of trail mix and puts equal amounts of the trail mix into 6 bags for a hike with his friends, the amount of trail mix in each bag can be derives using the expression;
[tex]2\frac{1}{4} = 6 * x[/tex]
solving for x
[tex]\dfrac{9}{4} = 6x\\\\2.25 = 6x\\\\divide\ both \ sides \ by \ 6\\\\\dfrac{2.25}{6} = \dfrac{6x}{6} \\\\x = 0.375\\[/tex]
Hence 0.375 pounds of trail mix will be in each bag
when will i know when to add or when to subract
Answer:
Look below:
Step-by-step explanation:
adding is when u see 6 + 10. the plus sign ( the cross ) means to add. Subtract is using the minus sign: 6 - 10.
Answer:
You will know when to add or subtract because of keywords and symbols.
Step-by-step explanation:
Most addition and subtraction problems have keywords that tell you what operation to use. For example, so keywords that tell you that you have to add are altogether, sum, together, and a few other words. Some examples of subtraction problems are less than, and a bunch of other words.
Hope This Helps :)
3x9+7what is the answer
Answer:
Step-by-step explanation:
First multiply 3x9 and you get 27 and then add 7 to 27
3x9 27
27+7 34
Answer:
34 is the answer
Step-by-step explanation:
what digit in the thousands place in the decimal 5765.903
Answer: 5
Step-by-step explanation:
5765.903
going backwards-in front of the decimal -5 ( ones place) 6 (tens place) 7 ( hundreds) 5 (thousands) .
.9 ( tenths) 0 (hundredths) 3 (thousandths)
1A) When f(n) = 12, what is the value of n?
Answer:
Can't answer this
Step-by-step explanation:
For this question, I think you need to read more informations, find out the function
After you find out the function,
Replace f(x) as 12 and replace x with n
After that, try to solve it.
Good luck.
2-3x-5+9x=? Thank you to whoever gets the answer
Answer:
6x - 3
Step-by-step explanation:
Step 1: Write out expression
2 - 3x - 5 + 9x
Step 2: Combine like terms (x)
2 - 5 + 6x
Step 3: Combine like terms (constants)
-3 + 6x
Step 4: Rewrite
6x - 3
HELP ME PLZZZZZZZZ HELP
Answer:
Step-by-step explanation:
Bob's deal : 11/10= 1.1 dollars per bagel
Danny's bagel=3/4=0.75 dollars per bagel
Danny's deal is better the price is lower
2- fraction : 11/10>3/4
1.1>0.75 the lower the price the better
3- Danny's deal is better because the price of 10 bagels=7.5 dollars
Violet was carrying around the steps to solve square root of 3x plus 1 = 4. On her way through the Math Factory, Violet dropped them and they mixed with other steps. Put the correct steps in order to solve square root of 3x plus 1 = 4.
Answer:
First, square both sides (d.) leaving 3x + 1 = 16
Second, subtract 1 from both sides (a.) leaving 3x = 15
Third, divide by 3 from both sides (e.) leaving x = 5
Answer: First D, then A, then E
Step-by-step explanation:
Mary and Jane have $48 to share in the ratio 3:5. How much did each girl 2 points
receive? (SHOW WORKING)
Answer:
Mary- $18
Jane- $30
Step-by-step explanation:
Add the numbers in the ratio together to get 8, and multiply 8 by the variable of x. Divide the total amount of money that both girls earned by 8. You will get x=6. Multiply 6 by 3 to get the amount of money Mary earned, which is 18, and multiply 6 by 5 to get the amount of money Jane earned, which is 30.
x(3+5) = $48
3x + 5x = $48
8x = $48
8x/8 = $48/8
x = $6
3($6):5($6) = $18:$30
Answer:
Mary = $18
Jane = $30
Step-by-step explanation:
The first thing you need to do is find out how much each part is. To do that you need to add each side of the ratio together (3 + 5 = 8). THen you set up an equation showing the 8 parts * x = 48 and solve for x.
8x = 48
x = 6 <-- Value of each part
Now you multiply the 6 by the number on each side of the ratio,
Mary = 3 * 6 = 18
Jane = 5 * 6 = 30
The above is your answer.
Part 1
Using technology or other resources, research the average distance that each planet is from the Sun
(in kilometers). Once you have found the distance, create a chart showing each planet's distance
from the Sun. The Sun itself will not receive a label since it is your starting point. For example,
Mercury is located an average of 57,909,000 km from the Sun, so on the chart, Mercury would be
labeled with a distance of 57,909,000. Use the chart below to record your answers:(Add rows if
necessary)
Answer:
Using technology or other resources, research the average distance that each planet is from the Sun (in kilometers). Once you have found the distance, create a chart showing each planet's distance from the Sun. The Sun itself will not receive a label since it is your starting point. For example, Mercury is located an average of 57,909,000 km from the Sun, so on the chart, Mercury would be labeled with a distance of 57,909,000. Use the example of the chart below to help you get started:
Planet Distance from Sun (in Km) Distance in scientific notation
Mercury 57,909,000 5.7909 X10^7
Venus 108.212.290.56 1.0821229056 X10^8
Earth 149,604,618.24 1.4960461824 X10^8
Mars 227,936,640 2.2793664 X10^8
Jupiter 778,412,020 7.7841202 X10^8
Saturn 1,433,442,700.8 1.4334427008 X10^9
Uranus 2,870,972,200 2.8709722 X10^9
Pluto 5,906,380,000 5.90638 X10^9
Step-by-step explanation:
:)
Please help! I only need the answer for the first fill-in-the-blank. Click the other picture to see the choices.
Step-by-step explanation:
side side angle is the best answer
30°25'45" into second
Answer:
109545
Step-by-step explanation:
Formula
multiply the time value by 3600
Hope this helps
plz mark brainlest
On the previous problem, you found a unit rate of ounces per box. Explain how you find a unit rate when given a rate.
Which number below has a 3 that is 1/100 of the value of the 3 in the number 1,376
Answer:
1,386
Step-by-step explanation:
guessed it in my head
Simpify the expression. -2(y + 3) -7y
Which is the correct inverse function of f(x) = 4x +9?
Let y = 4x + 9
4x = y - 9
x = (y-9) / 4
f(x) = (x-9) / 4
At a sale, dresses were sold for 95% of their original price. If the dresses originally cost $200 each, how much did a dress cost on sale?
Turn the percentage into a decimal.
95% / 100 = 0.95
Multiply.
200 * 0.95 = 190
Subtract.
200 - 190 = $10
Therefore, the dress costs $10 on sale.
Best of Luck!
Answer: The answer is 190.
1-2: Translate into an algebraic expression.
1. The product of a number, n, and -7.
Answer:
n+(-7)= choose a letter to replace it with the sum
A camping ground began with 240 pounds of food and each day consumed about 12 pounds. After how many days did they have 180 pounds left
Answer:
5 days
Step-by-step explanation:
Set up linear equation; food= 240-12(day) f=240-12d
f(1)=240-12(1)=240-12=228
f(2)=240-12(2)=240-24=216
Now set food to equal 180, solve for days:
180=240-12d
-240 -240
-60=-12d
/-12 /-12
5=d
To check: f(5)=240-12(5)=240-60=180
Perform the following operations with the given fraction 2/5 x3/4 =
Answer: 3/10
Step-by-step explanation:
2/5 x 3/4
2x3=6
5x4=20
6/20
________
Simplify
6/2=3
20/2=10
3/10 Final Answer
Miguel’s family drove 357 miles on their weekend trip. Their car’s average gas mileage was 25.5 miles per gallon. How many gallons of gas did they use? Round your answer to the nearest tenth of a gallon if necessary.
1.4 gallons
14 gallons
91 gallons
140 gallons
Answer:
14 gallons
Step-by-step explanation:
357/25.5 = 14
14 gallons
hopefully this helps you :)
pls mark brainlest ;)
Thank you :)
Answer:
14 gallons
Step-by-step explanation:
took the test
-11 2/3 × (-4 1/5)
1/2 the hole power -5
Step-by-step explanation:
[tex](\frac{1}{2} ) {}^{ - 5} [/tex]
[tex] \frac{1 {}^{ - 5} }{ {2}^{ - 5} } [/tex]
[tex] \frac{1}{ \frac{1}{32} } [/tex]
[tex] \frac{1}{1} \times \frac{32}{1} [/tex]
[tex]32[/tex]
SOMEONE HELP PLEASE! 40 POINTS!!!! Answer these questions: 1. The relation {(-1, 4), (2, 7), (3, 7)} is a function. True False 2. The function {(1, 4), (2, 5), (3, 6)} has the function rule y = 3 x + 1. True False 3. What is the value of the 11th term in the sequence -3, -6, -12, -24, ...? -6,144 -118,098 -3,072 -354,294 4. All of the following statements describe the relation shown except _____. The diagram represents a function. The inputs are {-1, 0, 3, 4}. The outputs are {-2, -1, 1}. This relation could also be represented as {(-1, 1), (0, -2), (3, 1), (4, -1)}. 5. What is the function rule represented by the following table? x y 0 3 1 -1 2 -5 y = -2 x + 1 y = -3 x y = -2 x - 1 y = -4 x + 3
Answer:
1. True
2. False
3.-48
4. This relation could also be represented as {(-1, 1), (0, -2), (3, 1), (4, -1)}
5. can you please put the points in parentheses becasue I cannot tell which pair is which. If you rephrase it I will comment the anwer
Step-by-step explanation:
Answer:
1. True
2. False
3.-48
4. This relation could also be represented as {(-1, 1), (0, -2), (3, 1), (4, -1)}
Step-by-step explanation:
Can you help me with this
Answer:
12 only.
Step-by-step explanation:
When the question is asking for f(0), it is asking for the value of y when x = 0.
We see that there is only 1 intersection at x = 0, and the y value would equal 12.
Therefore, our answer is 12 only.
Answer:
The answer is a.12 only its where the x coordinate stays 0 and the y coordinate decreases or increases
Step-by-step explanation:
write the phrase below as an algebraic expression.
seven less than a number t
Answer:
t-7
Step-by-step explanation: