2 km = 1 cm
To Find:The length of the road of 15 km.
Solution:2 km = 1 cm
1 km = 1/2 = 0.5 cm
15 km = 0.5 × 15 = 7.5
Answer:The length of the road is 7.5 cm.
Therefore, Option D. 7.5 cm is correct.
Jaime’s refrigerator loan statement said that he would pay $1,026 as interest after 4 years at an interest rate of 13.5%. How much did Jaime borrow to buy the refrigerator?
Answer:
$1900
Step-by-step explanation:
Starting from the equation of simple interest, which is defined as follows:
I = P * r * t
Being I the interest, P the value of the product, r the interest rate and t would be time.
We want to know the price of the product, therefore, solving the equation we have:
P = I / r * t
We know each other's values so we replace:
P = 1026 / (0.135 * 4)
P = $ 1900 was the value of the refrigerator Jaime bought
Answer:
$1900
Step-by-step explanation:
Starting from the equation of simple interest, which is defined as follows:
I = P * r * t
Since I is the interest, P the value product, r the interest rate and t would be time
We want to know the price of the product, therefore, solving the equation we have:
P = I / r * t
We know each other's values so we replace:
P = 1026 / (0.135 * 4)
P = $1900 was the value of the refrigerator Jaime bought.
plz help me.. 50 points if you answer all ill give brainliest
1) 1/4+1/2
We need to convert the fractions.
1/4 is fine.
1 x 2=2
2 x 2=4
1/4+2/4=3/4
2) a+a
a can be written as 1a.
1a+1a=2a
I can't see photos and he doesn't know 3 or 4 and i'm confused on 5.
a=?
Hope it helps?
Answer:
2. 2a
3. a^4
4. a^5
5. 1
9. 125
10. 1875
I believe most of these are correct
Kevin is having a party and he needs to buy the ingredients to make guacamole. At the first supermarket, he bought 6 limes and 2 avocados for a total of $7.50. Later the same day, he bought 2 more limes and 1 more avocado for a total of $3.00. What was the price of each type of fruit? Let x represent _____________________________ Let y represent _____________________________ System: _____________________
Solution: x = ____________ y = ____________
Answer:
Let x represent: the price per lime.
Let y represent: the price per avocado.
System: 6*x + 2*y = $7.50
2*x + y =$3.00
Solution: x = $0.75 y = $1.50
Step-by-step explanation:
Here we have two variables, x and y.
Let's take x = price per lime, and y = price per avocado.
We know that when he bought 6 limes and 2 avocados he paid $7.50, so we can write this as:
6*x + 2*y = $7.50
And we also know that when he bought 2 limes and 1 avocado, he paid $3.00
2*x + 1*y = $3.00
Then we have a system of equations:
6*x + 2*y = $7.50
2*x + y =$3.00
Now we want to solve this system,
The first step is isolating one of the variables in one of the equations, let's isolate y in the second equation:
y = $3.00 - 2*x
Now we can replace this into the other equation:
6*x + 2*($3.00 - 2*x) = $7.50
6*x + $6.00 - 4*x = $7.50
$6.00 + 2*x = $7.50
2*x = $7.50 - $6.00 = $1.50
x = $1.50/2 = $0.75
now we can find the value of y.
y = $3.00 - 2*x = $3.00 - 2*$0.75 = $1.50
A researcher plans to study the causal effect of police on crime, using data from a random sample of U.S. counties. He plans to regress the county’s crime rate on the (per capita) size of the county’s police force. (a) Explain why this regression is likely to suffer from omitted variable bias. Which variables would you add to the regression to control for important omitted variables
Answer and Step-by-step explanation:
This regression can generate an omitted variable bias, because the researcher did not determine any parameters or real data to measure it. In this case, the researcher determined the crime rate as a dependent variable, but did not establish the facts that influence it and that promote an observable result. In this way, he omitted the independent variable and his research will be inaccurate and incorrect. To control this bias, it is necessary for the researcher to provide a dependent variable such as the level of education in the region, the income distribution in the region, the unemployment rate, the fraction of young men, among others.
9. Rachel earns $30 for every house she cleans. If she cleans 25
houses a week, what is her weekly pay? What is her annual pay?
i doesn’t make sense
Answer:
i think it A i might be wrong
Step-by-step explanation:
The point (-4, 1) is in the top left or II quadrant.
10% increase of $29,350?
Answer:
$2,935 increase, which makes $32,285.
Step-by-step explanation:
10% is .10, so just multiply 29,350 by .10 and ger 2,935. Then add it to your inital value.
Please explain the solution for this problem.
Answer:
1st add 2x+25 then 3x+1 then 5x-2 what answer you get thats the answer of this question......
pleae follow me and give me a thanks also mark me brai liest. i will mark u too.....
How many inches are in 3 feet 8 inches
Answer:
44
Step-by-step explanation:
3 x 12 = 36 + 8 = 44
help in this plssssssssssssss
Answer:
B. 1.23 g/cc answer is
Step-by-step explanation:
because in the picture the ice berg is cold and sea water
Patricias normal heart rate is 78 beats per minute. How many times does her heart beat in 3/4 of a minute?
Answer:
58.5
Step-by-step explanation:
1.) Divide 78 by 4
2.) Multiply 19.5 by 3
OR
1.) Change 78 to 78/1
2.) Multiply 78/1 by 3/4
3.) Smile because you got the answer right :)
Her heart beats 58.5 beats in 3/4 of a minute.
We have Patricia's normal heart rate.
We have to determine how many times does her heart beat in 3/4 of a minute.
What is the range of normal Heart rate of a human adult ?A normal resting heart rate for adults ranges from 60 to 100 beats per minute.
According to the question -
Patricia's normal heart rate = 78 beats per minute.
Now - 3/4 of a minute = 3/4 x 60 = 15 x 3 = 45 seconds.
Now -
60 seconds → 78 beats
1 second → (78/60) beats
45 seconds → (78/60) x 45 = 58.5 beats
Hence, her heart beats 58.5 beats in 3/4 of a minute.
To solve more questions on Unitary methods, visit the link below-
https://brainly.com/question/15893862
#SPJ2
IM GIVING 50 POINTS!!! AND BRAINLIEST! NEED THE EQUATION NOT THE ANSWER A teacher has 15 weeks in which to teach six chapters. Write an equation that represents the number of lessons the teacher must teach per week if there is an average of 8.5 lessons per chapter. I NEED THE EQUATION NOT THE ANSWER
Answer:
6(8.5)/15
Step-by-step explanation:
Answer:
T = 6L/15 = 6(8.5)/15 = 51/15= 3.4 lessons per week
please help me with this i will give you a brainliest
Answer:
2.)-7, -5, -1, 0
3.) -12, 0, 13, 14, 16, 17
5.) 5
Step-by-step explanation:
A plumber charges $35 to make a house call, plus $25 an hour for labor. The following equation represents f(x), the total cost of a visit for x hours: f(x) = 25x+35. What is the independent variable? * 10 points Number of hours worked Amount of money paid Price of labor House call charge
The correct answer is A. Number of hours worked
Explanation:
In the equation presented, the number of hours worked is the only factor that varies, it is expected the plumber has to work a different number of hours depending on each situation and this affects the final cost as the number of hours is multiplied by $25 (cost of one hour). On the other hand, factors such as the house call charge or the price of an hour for labor are fixed and do not change.
Moreover, in equations, the factor that changes and can affect others is known as the independent variable. This means the number of hours can be classified as the independent variable because this is not fixed and affect other variables including the total cost.
Round 285.20 to the nearest tenth
Answer:
285.2
Step-by-step explanation:
Evaluate the expression when m= 2. m2 - 8m -3
Answer:
-15
Step-by-step explanation:
When
m=2Expression get value of:
m² - 8n - 3 = 2² - 8*2 - 3 =4 - 16 - 3 =-15Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{ - 15 }}}}}[/tex]
Step-by-step explanation:
Given, m = 2
[tex] \sf{ {m}^{2} - 8m - 3}[/tex]
plug the value of m
[tex] \longrightarrow{ \sf{ {2}^{2} - 8 \times 2 - 3}}[/tex]
Evaluate the power : 2²
[tex] \longrightarrow{ \sf{4 - 8 \times 2 - 3}}[/tex]
Multiply the numbers: 8 and 2
[tex] \longrightarrow{ \sf{4 - 16 - 3}}[/tex]
The positive and negative integers are always subtracted but posses the sign of the bigger integer :
[tex] \longrightarrow{ \sf{ - 12 - 3}}[/tex]
The negative integers are always added but posses the negative ( - ) sign
[tex] \longrightarrow{ \sf{ - 15}}[/tex]
Hope I helped!
Best regards! :D
Evaluate the following integral. e^x+3/e^x g
Answer:
[tex]x -3e^{-x} + C[/tex]
Step-by-step explanation:
Given the integral [tex]\int\limits {\dfrac{e^{x}+3}{e^x} } \, dx[/tex], we are to evaluate it. Note that sum of integral is equal to the integral of its individual sum as shown;
[tex]\int\limits {\dfrac{e^{x}+3}{e^x} } \, dx = \int\limits {\dfrac{e^{x}}{e^x} } \, dx + \int\limits {\dfrac{3}{e^x} } \, dx[/tex]
[tex]= \int\limits 1\, dx + 3\int\limits {e^{-x} \, dx \\\\[/tex]
[tex]= x + 3(-e^{-x})\\\\= x -3e^{-x} + C[/tex]
Hence the value of the evaluated integral is [tex]x -3e^{-x} + C[/tex] where C is the constant of integration.
The perimeter of the obtuse triangle to the right is 7.2 inches. Two of the three sides are labeled. What is the measurement of the third side?
Answer:
Measure of third side = 2.1 inches
Step-by-step explanation:
Perimeter of any polygon = Sum of lengths of all sides of the polygon
From the figure attached,
Number of sides of the polygon = 3
Therefore, perimeter of a triangle = sum of all three sides of the given triangle
Length of two sides = 1.7 inches and 3.4 inches.
Let the third side = x inches
Perimeter of the triangle = 7.2 inches
By the definition of the perimeter,
7.2 = 1.7 + 3.4 + x
7.2 = 5.1 + x
x = 7.2 - 5.1
x = 2.1 inches
Therefore, third side of the given triangle is 2.1 in.
the sum of x and -15 is 23
Answer: x=38
Step-by-step explanation:
x+(-15)=23
x-15=23
+15 +15
x=38
When there is a positive and negative sign the negative sign cancels the positive sign.
Answer:
38
Step-by-step explanation:
23+15=38 because in order to get 23 from -15 a negative number you need to have 38 to silence the -15.
Simplify each expression
6(a+8)
Can you please help me
Answer:
6a+48
Step-by-step explanation:
Distribute:
6(a+8)
6 x a = 6a
6 x 8 = 48
6a+48
Answer: 6a + 48
Step-by-step explanation: use the distributive property and multiply 6•a to get 6a and multiply 6•8 to get 48
identify the constants in the following
really need help I don't know how to do this can someone explain it to me please??
what is the domain of f(x)=3x-4
Answer:
There are no domains so 0
Step-by-step explanation:
The domain of any function is simply all the possible numbers you can input for x
without violating the rules of math.
we cannot have a negative number for x (its against the laws of math), so the domain would be all non-negative numbers
:) Hoped this helped
Find the Product of -2(-5)(-9)
Plzzzzz help
Answer:
It 90
Step-by-step explanation:
8546789905588dhjd
Simplify each expression below as much as possible. 6x + 2 - 1 - 4x - 3 - 2x + 2
Is a bicycle an asset or a liability?
Answer: I think the answer is that the bicycle is a liability.
-9x = 16.2 simplified?
Answer:
x = -1.8
Step-by-step explanation:
-9x = 16.2
Divide each side by -9
-9x/-9 = 16.2/-9
x = -1.8
What is the sum of -2 and V-18?
Answer:
V-20
Step-by-step explanation:
(-2) + (-18)= -20
Sammy has 90,000 and laila has 1,000,000 laila gived sammy half of the money who has the greatest number? explain
Answer:
Sammy has the greatest amount.
Step-by-step explanation:
I figured that out because half of 1,000,000 is 500,000 , and Laila had 1,000,000 but gave Sammy half of that money , and Sammy had already started out with 90,000 , So 500,000 + 90,000 = 590,000 . So that means Laila is stuck with the 500,000 while Sammy has the 90,000 she started off with and the 500,000 Laila gave her .
What is 30/95 in simplest form
Answer:
30/95
Step-by-step explanation:
because 95 cant be split
Hey there!
[tex]Answer:\boxed{\frac{6}{19}}[/tex]
[tex]Explanation:[/tex]
[tex]\frac{30}{95}[/tex] in simplest form
95 / 30 = 3.16666666667 Divide
3.16666666667 = 19/6 Convert to a fraction
6/19 Flip up the fraction
6/19 is the final answer.
Hope this helps!
PLEASE HELP ASAP!! ILL GIVE BRAINLIEST !!!
I believe the answer is C! Because..
Answer:
c. The square root of 12 is between 4 & 5.
Step-by-step explanation:
a. The square root of 112 is between 10 & 11
i. Find the squares of 10 & 11
10² = 100
11² = 121
Because 100 < 112 < 121, we know the square root of 112 is between 10 & 11
b. The square root of 180 is between 13 & 14
i. Find the squares of 13 & 14
13² = 169
14² = 196
Because 169 < 180 < 196, we know that the square root of 180 is between 13 & 14
c. The square root of 12 is between 4 & 5.
i. Find the squares of 4 & 5
4² = 16
5² = 25
Because 12 < 16 & 25, we know that the square root of 12 is not between 4 & 5.
d. The square root of 5 is between 2 & 3.
i. Find the squares of 2 & 3
2² = 4
3² = 9
Because 4 < 5 < 9, we know that the square root of 5 is between 2 & 3.