Answer:
The value of y = 30 when x = 5
Step-by-step explanation:
We know that when 'y' varies directly proportional to 'x', we get the equation
y ∝ x
y = kx
k = y/x
where k is called the 'constant of direct variation'.
We are given
y = 12 when x = 2
so substituting y = 12 and x = 2 in the equation
k = y/x
k = 12/2
k = 6
Thus, the value of k = 6
We have to determine the value of y when x = 5
so substitute x = 5 and k = 6 in the equation
y = kx
y = 6(5)
y = 30
Therefore, the value of y = 30 when x = 5
PLSSSS I NEED HELP
Evaluate 35a when a=7.
Answer:
[tex]35x \\ 35 \times 7 = 245[/tex]
Answer:
245
Step-by-step explanation:
All you have to do is replace a with 7.
So, 35a=35*7= 245
Write the equation of the line in point-slope form that goes through the points (0, 1) and (2, 7)
Answer:
point - slope form
y - 1 = 3 (x-0)
Step-by-step explanation:
step(i):-
Given points are (0,1) and (2,7)
The slope of the line
[tex]m = \frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]
[tex]m = \frac{y_{2}-y_{1} }{x_{2} -x_{1} } = \frac{7-1}{2-0} = \frac{6}{2} = 3[/tex]
m =3
Step(ii):-
point -slope form
y - y₁ = m(x-x₁)
Equation of the straight line passing through the point (0,1) and having slope 'm' = 3
y - 1 = 3 (x-0)
y -1 = 3x
3x - y +1=0
Equation of the straight line passing through the point (0,1) and having slope 'm' = 3 is 3x -y +1=0
Convert 0.245 into a percent and choose the appropriate result.
А
24.5%
B
2.45%
245%
D) 0.245%
Answer:
A. 24.5
Step-by-step explanation:
HOPE THIS HELPS!!!!
Can I have Brainliest???
Answer:
Its A, 24.5%
Step-by-step explanation:
I remember doing this before
48 oz. for $3.99
36 oz. for $2.59
12 oz. for $1.99
which is the best deal
Answer:
Step-by-step explanation:
12 oz for 1.99$
Answer:
12 oz. for $1.99
Step-by-step explanation:
A school supply company is giving away free whiteboards to promote their stain-free markers. The company can spend up to $42,840 on the whiteboards. If each whiteboard costs the company $8, how many whiteboards will they be able to give away?
Answer:the whiteboards free
Step-by-step explanation:
I need help ASAP please giving brainliest!!
Answer:
E, F
Step-by-step explanation:
diagram is showing complete shading of 3 shapes and 4 out of 10 of the last shape
3 4/10 as a decimal is 3.4
To the nearest unit, what is the perimeter of this pentagon?
5
3
2
1
2
4
-6 -5 -4 -3 -2 -1 0
-1
2
-3
-4
-5
sh
27 units
0 29 units
0 30 units
0 34 units
Answer: 27 units
Step-by-step explanation: I just did the test and Got it right
how many times bigger is 6.4*10^9 than 1.3*10^9
Answer:
at least four times bigger
Solve for X
X/3-X/4=X/6
[tex] \huge \blue{solution}[/tex]
[tex] \bold \red{ \frac{x}{3} - \frac{x}{4} = \frac{x}{6} }[/tex]
[tex] \bold \red{ \frac{4x + 3( - x)}{3 {2}^{2} } = \frac{x}{6} }[/tex]
[tex] \bold \red{ \frac{4x - 3x}{3 {2}^{2} } = \frac{x}{6} }[/tex]
[tex] \bold \red{\frac{x}{3 {2}^{2} } = \frac{x}{6} }[/tex]
[tex] \bold \red{ - x = 0}[/tex]
[tex] \bold \red{x = 0}[/tex]
16, 3, 3, 14, 10, 8, 11
Find the mean.
If necessary, round your answer to the nearest tenth.
Step-by-step explanation:
divide all the numbers and the add about ow many number their are
Answer: 9.3
Step-by-step explanation:
Find an equation of the line with the given y-intercept and slope m.
10, m= 5
The equation of the line is
(Type your answer in slope-intercept form.)
Answer:
y = 5x + 10
Step-by-step explanation:
Use formula: y = mx + b
1. Since m = 5, plug it into where m is
2. 10 has no variable so it's b ( the y-intercept)
what is 2 + 2 - 90 + 40
Answer:
-46
Step-by-step explanation:
hope this helps ;)
Answer:
Pemdas makes it -46
Step-by-step explanation:
since this is only addition and subtraction it doesn't matter really what order you do it in
2+2=4
-90+40=-50
4+-50=-46
this is thanks to the Commutative property of addition which states that "Changing the order of addends does not change the sum."
Consider an example of an apartment: The number of bedrooms, bathrooms, and the floor of an apartment determines its price. Which is the dependent variable in this example
Answer: The price of the apartment.
Step-by-step explanation:
We know that for a given apartment, the number of bedrooms, bathrooms, and floor determines the price.
Then we could define the variables:
x = number of bedrooms.
y = number of bathrooms
z = floor.
And define the price of the apartment as a function of these variables:
p(x, y, z) = price
Then the independent variables are x, y, and z.
And the dependent variable (this is, the variable that changes in response to the changes in the independent variables) will be the price of the apartment.
Using function concepts, it is found that the dependent variable in this example is the price.
The standard format of a function is: [tex]y = f(x)[/tex].In which each value of y is a function of one value of x, and thus, x is the independent variable and y is the dependent variable.In this problem, price depends of the number of bedrooms, bathrooms, and the floor of an apartment, hence, the function is:
[tex]p = f(be, ba, fl)[/tex]
Which means that the dependent variable is the price.
You can learn more about dependent and independent variables at https://brainly.com/question/1429012
Easy math Can someone please help me
Answer:
4.2 cm
Step-by-step explanation:
Given
Area of parallelogram (A) = 4.2 cm²
base (b) = 1.75 cm
Height (h) = ?
We know
A = b * h
4.2 = 1.75 * h
h = 4.2 / 1.75
H = 2.4 cm
Hope it will help
A taxi company charges $9 for pick-up plus $0.35 for each mile. Select the expressions that represent the cost in dollars for a taxi pick up and m miles. Select all that apply.
A. 9+0.35m
B. 9m+ 0.35
C. 0.35m+9
D. The product of 9 and m plus 0.35
Please answer quick
Please help me answer this
Answer:
Brand A
Step-by-step explanation: Brand A because y=50x+100 and that equals 150x. For brand B y=25x+200 and that equals 225x. So Brand A is lower.
1 foot = 12 inches therefore 5 feet = what
Answer:
60 inches
Step-by-step explanation:
1 foot = 12 inches
5 feet = ?
5*12 = 60
[tex]1\cdot \text{foot} = 12\cdot \text{inches} \implies 5 \cdot\text{foot} =5\cdot 12 \cdot\text{inches} \implies 5 \cdot\text{foot} =60 \cdot\text{inches}[/tex]
What is the lowest form of 32:28?
Answer:
to lowest terms of 32:28 is 8/7 or 8:7
Step-by-step explanation:
The hole for a support needs to be 6 feet deep. It is currently 2 feet 5 inches deep. How much deeper must the hole be? Use pencil and paper. Show two ways to solve this problem. Use the conversion factor
12 inches
________
1 foot.
The hole needs to be nothing inches deeper.
Answer:
43 inches deeper and it will be 6 feet deep
Answer:
3feet 7inches
Step-by-step explanation:
2feet + 3feet=5feet 5inches+7inches =1 feet
5feet + 1 feet=6feet
The Quality Assurance department at a gear company
found that there were 3 defective gears for every 500
produced. Express this as a percent.
Group of answer choices
Help!!!!!!!! Pls?????
Answer:
220 newtons
Step-by-step explanation:
Which of the following sentences could not be used to represent the equation x-5=-10?
A number subtracted from five is equal to negative ten.
A number less five equals negative ten
Ave less than a number is negative ten.
fa number is decreased by five, the result is negative ten.
plz help
Answer:
A number less five equals negative ten
Step-by-step explanation:
sorry if it is wrong
hope it helped
PLEASE HELP!!!!!
Solve, showing and explaining all steps in the process. 7(y + 2) – (2y – 5) = 41
Answer:
Step-by-step explanation:
Remove parentheses.
7(y+2)-2y+5=41
2 Expand.
7y+14-2y+5=41
3 Simplify 7y+14-2y+5 to 5y+19.
5y+19=41
4 Subtract 19 from both sides.
5y=41-19
5 Simplify 41-19 to 22
5y=22
6 Divide both sides by 5.
y= 22/5
Answer:
y=6.4
Step-by-step explanation:
distribute:
7y+14-2y-5=41
then combine like terms:
5y+9=41
subtract 9 from both sides:
5y=32
divide 5 by both sides:
y=6.4
Which of the following situations can be solved by using the equation 5t=175? Choose the TWO correct answers.
A. An elephant eats 5 tons of food every day. After t number of days, the elephant will have eaten 175 tons of food.
B. Thomas won $175 in a contest. He decided to give his sister $5, and now Thomas has t dollars left from his winnings.
C. It takes Martinez t number of minutes to grade one math test. If Martinez has 5 tests to grade, he will work for total of 175 minutes.
D. Mary's bookshelf can hold a total of 175 books. Mary has 5 books on the top shelf, so she will be able to fit t number of books on the bottom shelf.
E. A painter is calculating the amount of paint he used on a project. He knows that he used 5 gallons of paint everyday for 175 days, so he used a total of t gallons of paint.
Please answer quick
Answer:
A, and C
Step-by-step explanation:
When looking at questions like these, we want to look for a variable in the word problem when there is one in the equation. In a word problem variables usually follow words like every. The variable in answer choice A would be when it says "An elephant eats 5 tons of food every day". In C the the number of min is reverse multiplies by the number of tests.
PLS HELP ASAP WILL GIVE BRAINLIEST
Answer:
it would be the second answer
Step-by-step explanation:
2) You traveled 210 miles in 3.5 hours.
How many miles will you travel per hour?
Answer:
= 56.7 miles per hour
Step-by-step explanation:
Step-by-step explanation:
To find the average speed for the entire journey, we need to find the entire distance and the total time
Entire distance = 210 miles + 130 miles = 340 miles
Total time = 3.5 hours and 2.5 hours = 6 hours
Average speed = distance/ time = 340 miles/ 6 hours
= 56.66666666666 miles per hour
Rounding to the nearest tenth
= 56.7 miles per hour
Answer:
60 miles
Step-by-step explanation:
Step 1:210=3.5
x =1
Step 2: cross multiply3.5×x= 210×1
3.5x=210
Step 3: divide both sides by the coefficient of x which is 3.53.5x/3.5=210/3.5
x=60
Answer= 60 miles
You and your family went out to eat at The Cheesecake Factory. The bill is $120, you want to leave an 18% tip and have to pay a 6% tax. What is the total you have to pay for the everything?
Find the tip:
$120 * 18% =
$120 * 0.18 =
$21.60
Find the tax:
$120 * 6% =
$120 * 0.06 =
$7.20
Find the answer:
$120 + $21.60 + $7.20 =
$148.80
Simplify the expression by removing symbols of grouping and combining like terms.
7(2s − 1) + s + 5
Answer:
=15s−2
Step-by-step explanation:
sorry if its not correct i tried
the product of 34 and z
Answer:
its 34z
Step-by-step explanation:
Answer: 34z
Step-by-step explanation:
34 × z = 34z
63 is 11% of what number?
Answer:
572.7272
572.73 (rounded)
Step-by-step explanation:
used calc