Answer:
15
Step-by-step explanation:
If she drinks 3 per hour and she will be there for 5 hours (3 x 5 = 15) than he will need 15 cups of water and not 12.
It costs $3.50 to rent bowling shoes. Each game costs $2.25. You have $19.25. How many games can you bowl?
Answer:
7 games
Step-by-step explanation:
2.25x7+3.50=19.25
Mandy makes beaded bracelets and sells them for $5 each. If she sells the bracelets for 250% of the cost of her materials, how much does each bracelet cost to make? Each bracelet costs $ to make. PLEASEEEEEEEE HURRRRRYYYYYYYY
Answer:
Sales price is 5$
Bracelet cost 2 dollars each to make
Step-by-step explanation:
so each bracelet is sold for 5 dollars
5 dollars is 250%
5/250=0.02
times 100
2
Hope this helps ask me if u have more questions!!
Answer:
Each bracelet costs $2 to make.
Step-by-step explanation:
just put 2
6th grade maths easy help!
Answer: 112 degrees
Step-by-step explanation:
The angles have the same measure because of the corresponding angles theorem.
[tex]\huge\boxed{112^\circ}[/tex]
To solve this problem, we need to understand the basic rules of transversals across parallel lines.
When a line crosses another line or lines, it is a transversal.
When the two lines it crosses are parallel, the eight angles formed have interesting properties that we can use.
For this question, we will look at corresponding angles. If two angles meet these two conditions, they are congruent:
Both angles are on the same side of the transversal.One angle is interior (between the parallel lines) and the other is exterior.These two conditions are met for [tex]\angle JIK[/tex] and [tex]\angle GFI[/tex], so they are congruent and their measures are equal.
This means that [tex]m\angle JIK=m\angle GFI=\boxed{112^\circ}[/tex]
Find the values of x and y that satisfy both the equations
12x + 3y = 15 and 2x – 3y = 13.
Answer:
X=1 and Y=1 in the first question
Step-by-step explanation:
simply 12X means 12*x, so x=1 and 12*1+3*1=15 question 1
and question 2
2X means 2*X x=8 so 2*8=16 so 16-3 because Y=1 and
16-3=13
How many bacteria is in the Petri dish after 140 min ?
Answer:C. 2^10
Step-by-step explanation:
Law of indices
a^x + a^y = a^(x+y)
2^3 × 2^7
=2^(3+7)
=2^10
You wish to purchase a new car, and can afford monthly repayments of up to $150 per month. You see a car you like for $6,000, and are offered financing to secure the purchase. The terms of the deal are that the loan lasts for 5 years, and the annual interest rate is 15.9%. Can you afford to purchase the car on finance?
The monthly repayment of $145.59 is less than expected monthly payment of $150, hence, the individual can afford tp purchase the car on finance
How do we determine affordability in this case?
In order to determine whether the individual can afford to purchase the car on finance, we need to ascertain the monthly payment of the loan based on the terms of deal provided which would be compared to the expected monthly repayment of $150 using a financial calculator as below:
N=60(number of monthly payments in years=5*12)
I/Y=15.9/12(monthly interest rate without the % sign)
PV=-6000(loan principal)
FV=0(after 60 monthly payments, the balance would be nil)
CPT(press compute)
PMT=$145.59
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A bicycle is on sale for ¾ off the original price. If the bicycle originally cost $40, what was the original price?
Answer:
30
Step-by-step explanation:
Divide forty into 4 parts, because the denominator is four.
40/4=10
Now multiply the numerator times the answer you got (10)
3•10=30
6 soccer team spent $216 on 15 new soccer balls. Each ball cost the same. A. Estimate the cost of each soccer ball. Write an equation to show your work. B. Find the exact cost of each soccer hall compare your answer to your
Answer:
19,350 dollars is the answer
Step-by-step explanation:
6 times 216, is 1,290 and 1,290 time 15 is 19,350
Answer:
A) Use compatible number.
For estimate round 216 to 210 and divide by15.
210/15=14 estimate cost
B)Now the exact cost :
Divide 216/15=14.4
When you compare your estimate with exact cost. The answer is reasonable
Step-by-step explanation:
The thermosphere is the fourth layer of the Earth's atmosphere. This layer
starts just above the
mesosphere and extends to 600 kilometers above the surface of the Earth. In this layer the temperature
increases as you go up in altitude. Temperatures can be as low as -120°C to as high as 2000°C. Select all
expressions that show the range of temperatures found in the thermosphere.
A
|--120 - 2000
B.
|- 1201 - 12000
С
2000| - |-120
D
2000 - (-120)
E
- 1-120 - 2000
Answer:
a
Step-by-step explanation:
The expressions of the range of temperatures would be 2000 - (-120) found in the thermosphere which is the correct answer would be option (D).
What are Arithmetic operations?Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.
The fourth layer of the Earth's atmosphere is the thermosphere. It begins just above the mesosphere and rises to a height of 600 kilometres above the Earth's surface.
As you go in height, the temperature in this layer rises. The range of temperatures is from -120°C to 2000°C.
The range of temperatures found in the thermosphere would be the difference between the final temperature and the initial temperature.
initial temperature = -120°C
final temperature = 2000°C
The range of temperatures = final temperature - initial temperature
The range of temperatures = 2000 - (-120)
Therefore, the expressions of the range of temperatures would be 2000 - (-120) found in the thermosphere.
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Olivia is adding the numbers 25, 35, and 9. She wants to make a ten to add. Which ones digits does Olivia add first?
Answer:
35+25
Step-by-step explanation:
Olivia first add 25 and 35 to get the sum 10.
What is Addition?Addition is a technique for merging items and counting them as one big group. In math, addition is the process of adding two or more integers together. Addends are the numbers that are added, while the total refers to the outcome of the operation.
Given:
Olivia had numbers as 25, 35 and 9.
So, to get the 10 the number should contain 5 at unit place.
then we first add 25 and 35
= 20+ 5 + 30+ 5
= 50+ 10
= 60
Then, 60+ 9= 69
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Will the sum of 2 and (-6) be a positive or negative
number? Explain.
Answer:
negative
Step-by-step explanation:
2+-6=-4
Answer:
Step-by-step explanation:
it will be negative because the sum will take the sign of the bogger number
+2-6=-4
A friend has a 79%
average before the final exam for a course. That score includes everything but
the final, which counts for 25% of the course grade.
What is the best course grade your friend can earn?
What is the minimum score would your friend would need on the final to earn a 75% for the course?
%
Give answers accurate to at least one decimal place.
Answer:
best course grade: 84.25%least final grade: 63%Step-by-step explanation:
You have a course average of 79% that is 75% of your grade, and you want to know ...
the least final score for a course average of 75%the best possible course average.Weighted averageThe course average is computed as the weighed average of the course grade so far and the final grade. The weighs are 75% and 25%, respectively. In formula form, the relation between the final grade (f) and the course average (c) is ...
0.75(79) + 0.25f = c
Solving for f, we have ...
f = 4(c -59.25) = 4c -237
a) Best course gradeAssuming the best final grade is 100, the best course grade is ...
c = 0.25(100) +59.25 = 25 +59.25 = 84.25
The best course grade is 84.25%.
b) Least final gradeFor a course grade of 75%, the least final grade necessary is ...
f = 4(75) -237 = 300 -237 = 63
The minimum score on the final for a 75% for the course is 63%.
__
Additional comment
Here we have percentages with two different bases. The course grade percentages have a base of the greatest possible number of credits. The weight percentages have a base of the whole course grade. Working with percentages of percentages can be confusing if the base of the percentage is not clear.
We often find it easier to deal with grades expressed as a number 0 to 100, rather than as a percentage. That is what we have done here (except in the final answers). The final answer expresses the course grade as a percentage so as to be consistent with the problem statement.
Please ANswer ASAP & show all work. If you put an incomplete or absurd answer I WILL report you.
The scale factor of a model plane to the actual plane is 1 to 20.
Find the wing area of the model if the wing area of the actual plane is 400 ft^2
Answer:
1 ft²Step-by-step explanation:
The scale factor = 1 : 20
The area is the product of two dimensions, so the area of the model part to actual part is:
1 ² : 20 ² = 1 : 400If the actual plane has wing area of 400 ft², then the model will have wing area:
400 ft² / 400 = 1 ft²Which three cards have equal values?
Answer:
Top Middle, Top Right, Bottom Left.
What theorem can be used to show that ABC ≅ DEF?
A. AAS Triangle Congruence Theorem
B. SSS Triangle Congruence Theorem
C. ASA Triangle Congruence Theorem
D. HL Triangle Congruence Theorem
Answer:
B
Step-by-step explanation:
Please help ASAP !!!!!!!!
Answer:
perimeter is 24in. sq
Step-by-step explanation:
6in. per side* 4 sides= 24in. perimeter
Answer:
48 inches
Step-by-step explanation:
The perimeter is the distance around the shape. To find it, add the length of each side together. Assuming each side has two small squares, then each side would be 12 inches. Add 12 + 12 + 12 + 12, in order to get 48
Collect like terms
−
8
d
2
−
3
d
2
Answer:
8,2,2,3
d,d,
HOPE THIS HELPS
Answer:
5d²
Step-by-step explanation:
Given
8d² - 3d² ← collect like terms by subtracting the coefficients, that is
(8 - 3)d²
= 5d²
Hannah estimated that a bottle could hold 2.2 liters. The actual volume of the bottle was 2 litters. What was the percent error in hannas measurements?
Answer:
I dont have a direct answer but i think i can help.
Step-by-step explanation:
For example, 2%, read "percent", is two every hundred. When we have 100 liters of water, 2% is 2 liters. If we have 200 liters of water, then 2% is 4 liters. Converting a percentage into a fraction can be done by dividing by 100, following the definition of a percentage.
The mean can be misleading if you don't know the spread of data items. True or false...
Answer:
True
Step-by-step explanation:
When data is skewed toward the high or low end, the mean can be a misleading measure of central tendency. In such a case the central tendency for the data items shifts toward either the high or low end -- away from the mean. The median then becomes the better measure.
The mean could be misleading when we don't know the spread of data items is to be considered as the true.
Role of mean:
The mean do have the high impact on the extreme observations. In the case when the observation is high so automatically the remaining observations should be low due to which the mean should be increased.
So based on this, we can conclude that The mean could be misleading when we don't know the spread of data items is to be considered as the true.
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The distance between P and T on the coordinate grid is ___ units. (Input whole numbers only.) Please walk me through the question!
Answer:
25 units
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra II
Distance Formula: [tex]d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]Step-by-step explanation:
Step 1: Define
Point P (-10, 15)
Point T (15, 15)
Step 2: Find distance d
Substitute: [tex]d = \sqrt{(15+10)^2+(15-15)^2}[/tex]Add/Subtract: [tex]d = \sqrt{(25)^2+(0)^2}[/tex]Simplify: [tex]d = \sqrt{(25)^2}[/tex]Simplify: [tex]d = 25[/tex]Help im really struggling here I would really appreciate it
A store buys a piano from the vendor for $6000 then marks the price up 15% before they sell it to the public. What is the retail price of the piano?
Answer:
$6900
Step-by-step explanation:
Lets find 15% of 6000 first.
6000 x 15% = 900
So just add 900 now to 6000
6000 + 900 = 6900
Hope this helps!
Answer:
6900
Step-by-step explanation:
first you get 6000 times 15
then you get 900 and then add that to the 6000
in order to get 6900
11. What would be the temperature be on an autumn day?
a. 50-F
b. 32.C
c. 100-F
d. 0-C
Answer:
B) 32 C
Step-by-step explanation:
32 C = 89.6 F
hope this helps :D pls mark brainliest :D
If an island only residents are penguins and beans and if there’s 18 heads and 50 feet on the island how many penguins in bears
Which graph represents a linear function?
Answer:
y + 2x = 10 (third option)
Step-by-step explanation:
We can see that every time x increases by one, y increases by -2, meaning that the slope is -2.
We also know that the y-intercept is 10 because that is the value of y when x is equal to 0.
Now, we can create the equation using the slope-intercept form (y = mx + b, where m is the slope and b is the y-intercept).
y = -2x + 10
If you look at the third option, that equation is just a rearranged form of our equation (y + 2x = 10).
This means that the third option is correct.
Answer:
C, or y+2x=1-
Step-by-step explanation:
Test them one by one. Put the y into the equation and the x in the equation. Whichever ones always work are the correct answer. Remeber, you have to consider all the possible values of x and y when you test them!
MXXX
Jim walks 12 miles, then swims two miles. If he walks two miles per hour faster than he swims,
and he finishes his exercise (both walking and swimming) in four hours, how fast does he swim ?
Answer:
1
Step-by-step explanation:
how many solutions does the system have 6x+3y=-12 y=-2x+4
Answer: No solutions
Step-by-step explanation: These equations, when done by substitution, end up not equaling each other.
Evaluate 8-m/n+p2 when m=8, n=2p =7
53.
We have been given that
equation is 8-m/n+p²
where
m= 8;
n= 2;
and p= 7;
Substitution property - If a variable is equal to a specified amount, that amount can be directly substituted into an equation for the given variable.
By using substitution property in equation
8-m/n+p²
8- 8/4+7²
Square of 7 is 7×7 =49
8-8/4+49
after applying BODMAS rule
BODMAS rule is an acronym that is used to remember the order of operations to be followed while solving expressions in mathematics.
8-2+49
=53
Hence, the correct value of the given expression when m=8 n=2 p=7 is 53.
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3 meters of cloth is the ratio of 3:7
When given 3 meters of cloth to divide in the ratio 3 : 7 then one part of the division will have 0.9 meters and the other side will have 2.1 meters.
How to use ratio to divide?The ratio is 3 : 7 which means that the 3 meters of cloth should be divided such that one part is 3 to the 7 of the other part.
First, find the denominator:
= (3 + 7)
= 10
The smaller part of the cloth:
= 3 / 10 x 3 meters of cloth
= 9 / 10 meters
= 0.9 meters
The larger part of the cloth:
= 7 / 10 x 3 meters of cloth
= 21 / 10
= 2.1 meters
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HELPPPPPPPPPPPPPP 100 POINTS IF YOU ANSWER ALL CORRECT
Answer:
[tex]\left[\begin{array}{ccc}y=x&y=\frac{2}{3}x&y=\frac{2}{3}x +1 \\-6&-4&-3\\-3&-2&-1\\0&0&1\\3&2&3\\6&4&5\end{array}\right][/tex]
Step-by-step explanation:
-6: y = -6
y = [tex]\frac{2}{3}[/tex] (-6)
y = -4
y = [tex]\frac{2}{3}[/tex] (-6) + 1
y = -4 + 1
y = -3
-3: y = -3
y = [tex]\frac{2}{3}[/tex] (-3)
y = -2
y = [tex]\frac{2}{3}[/tex] (-3) + 1
y = -2 + 1
y = -1
0: y = 0
y = [tex]\frac{2}{3}[/tex] (0)
y = 0
y = [tex]\frac{2}{3}[/tex] (0) + 1
y = 1
3: y = 3
y = [tex]\frac{2}{3}[/tex] (3)
y = 2
y = [tex]\frac{2}{3}[/tex] (3) + 1
y = 2 + 1
y = 3
6: y = 6
y = [tex]\frac{2}{3}[/tex] (6)
y = 4
y = [tex]\frac{2}{3}[/tex] (6) + 1
y = 4 + 1
y = 5