Samuel has a collection of toy cars. His favorites are the 27 red ones, which make up 60% of his collection. How many toy cars does Samuel have?
solve for f.
2 + 1.25f = 10 - 2.75f
Answer:
2
Step-by-step explanation:
2 + 1.25f = 10 - 2.75f
1.25f + 2.75f = 10 - 2
4f = 8
f = 8/4
f = 2
hope this helps you!
A student evaluates the equation y=2x+5 , using a variety of values for x . After evaluating the equation the student claims: "When x is a positive integer then y is also a positive integer and when x is a negative integer then y is also a negative integer." What is a value of x that proves that the student's claim is NOT true?
prime factorization of 1,568
Answer:
2 x 2 x 2 x 2 x 2 x 7 x 7 = 1,568.
Step-by-step explanation:
⇒CaN sOmEbOdY hElP mE ?⇒
Answer:
Here you go
Step-by-step explanation:
the diagram shows that 4x + 12x is equal to 320 so that is what I put for the first box. Then, you simplify 4x and 12x by adding them to get 16x. and lastly you divide the 320 by 16 which then makes x equal to 20.
I put the picture in case you are a visual learner because for me I learn from visuals better than words :)
Determine the vertex of the following parabola:
y = (x - 3)(x + 7)
Answer:
(-2,-25)
Step-by-step explanation:
Answer:
y=x^2+4x-21
Step-by-step explanation:
you just foil them(or box method)
What is the equation of the line that passes through the point (-5, -3) and has a
slope of -1
Answer:
The equation of the line is y = - x - 8
Step-by-step explanation:
The form of the linear equation is y = m x + b, where
m is the slope of the lineb is the y-interceptLet us solve the question
∵ The slope of the line is -1
∴ m = -1
→ Substitute it in the form of the equation above
∴ y = -1(x) + b
∴ y = - x + b
→ To find b substitute x and y in the equation by the coordinates of
a point lies on the line
∵ The line passes through point (-5, -3)
∴ x = -5 and y = -3
∵ -3 = - (-5) + b
→ Remember (-)(-) = (+) and (-)(+) = (-)
∴ -3 = 5 + b
→ Subtract 5 from both sides
∴ -3 - 5 = 5 - 5 + b
∴ -8 = b
→ Substitute it in the equation
∴ y = - x + (-8)
∴ y = - x - 8
∴ The equation of the line is y = - x - 8
The length of a rectangle is three times its width. the perImeter of the rectangle is 100 inches. What are the dimension of the rectangle
Answer:
width is 12.5 inches
length is 37.5 inches
Step-by-step explanation:
x is width, 3x is length,
Double each and make it equal to 100, ie. 2x+6x=100Divide everything by two, x+3x=50Combine x and 3x, 4x=50divide broth sides by 4x = 12.5Since x is width, width is 12.5Length is 3x, so 12.5 * 3 is 37.5consider the polynomial equation x(x-3)(x+6)(x-7)=0. Which of the following are zeros of the equation? Select all that apply.
answer one: -7
answer two: -6
answer three: -3
answer four: 0
answer five: 3
answer six: 6
answer seven: 7
CAN ANYONE HELP ME!!! URGENT.. WILL MARK BRAINLIEST!!!
Answer:
y= 5(1) = 5
Y= 5(2) = 10
y= 5(3) = 15
y= 5(4) = 20
y= 5(5) = 25
y= 4(1)+3 = 7
y= 4(2)+3 = 11
y= 4(3)+3 = 15
y= 4(4)+3 = 19
y= 4(5)+3 = 23
Step-by-step explanation:
you just have to substitute x in each equation for the number above.
Answer:
I can't see the question... All I can see is the "CAN ANYONE HELP ME!!! URGENT.. WILL MARK BRAINLIEST!!!"
Is this happening with anyone else, or just me?
I want to help...
The daily energy requirement for males is modeled by the chart below. Age (Years) (X) Energy Needed (Calories) (Y) 1 1100 2 1300 5 1800 8 2200 11 2500 14 2800 17 3000 Use the points (5, 1800) and (17, 3000) to determine a linear equation for the data.
Answer: y = 100x + 1300
Step-by-step explanation: Linear Equation is an equation whose graphic produces a line. It is of the form y = mx + B, in which m and B are real numbers.
The term m is also the slope or gradient of the equation, i.e., it shows the steepness of the line. While B is y-intercept, i.e., it is the point where the line touches the y-axis.
The slope is determined by:
[tex]m=\frac{y-y_{0}}{x-x_{0}}[/tex]
[tex]m=\frac{3000-1800}{17-5}[/tex]
m = 100
For the linear equation, use:
[tex]y-y_{1}=m(x-x_{1})[/tex]
and point (5,1800):
[tex]y-1800=100(x-5)[/tex]
[tex]y=100x-500+1800[/tex]
[tex]y=100x+1300[/tex]
The linear equation of daily energy requirement for males is [tex]y=100x+1300[/tex].
Which one of the following types of exercises uses fast-twitch muscle fibers?
Sprinting
Running
Jogging
Walking
Answer:
Sprinting
Step-by-step explanation:
pls mark brainliest
Answer:
A. Sprinting
Step-by-step explanation:
what is 1/3 + 1/5 as a fraction in simplest form?
Answer:
8/15
Step-by-step explanation:
find the common denominator, which is 15 and times 1/3 by 5/5 to get 5/15 and times 1/5 by 3/3 to get 3/15 and add them together to get 8/15
The simplest form of the given expression is "[tex]\frac{8}{15}[/tex]". A further solution of the given expression is provided below.
The given expression is:
→ [tex]\frac{1}{3} +\frac{1}{5}[/tex]
By taking L.C.M we can solve the above expression, such as:
→ [tex]\frac{5+3}{15}[/tex]
→ [tex]\frac{8}{15}[/tex]
Thus the above answer is the appropriate one.
Learn more about fraction here:
https://brainly.com/question/8763270
If a and b are equal distances from 0, which of the following is true
Answer:
If a+b>0a+b>0 and ab<0ab<0, which of the following must be true?
I. a<0a<0
II. b>0b>0
III. |b|>|a||b|>|a|
A. I only
B. I and II only
C. I and III only
D. I, II and III
E. Noe of these
Step-by-step explanation:
there really is no explanation it is simple math
A market ordered 140 apples packed in small bags. How many small bags can be filled ?will there be any apples left over? Divide using a rectanglular area model and show the remainder
Answer:
Step-by-step explanation:
2
Charlotte is working two summer jobs, making $7 per hour babysitting and making $9 per hour walking dogs. In a given week, she can work a maximum of 11 total hours and must earn at least $85. If Charlotte worked 8 hours walking dogs, determine the minimum number of whole hours babysitting that she must work to meet her requirements. If there are no possible solutions, submit an empty answer
Answer:
2 hours of babysitting i think
Step-by-step explanation:
The average heart beats 96 times in 60 seconds. What is the unit rate of heart beats per second?
Answer: 1.6
Step-by-step explanation:
divide 96 by 60 to get 1.6
The point-slope form of the equation of the line that passes through (-9, -2) and (1, 3) is y-3 = {(x - 1). What is
the slope-intercept form of the equation for this line?
Answer:
u of the record for me and my family are doing well and that you have a meeting with the record for me and my family are doing well and that you have
Answer:
Step-by-step explanation:
Just rewrite y-3 = {(x - 1) as y-3 = m(x - 1). {(x - 1) is not valid.
Next, solve this y-3 = m(x - 1) for y:
Adding 3 to both sides yields y = m(x - 1) + 3, or:
y = mx - m + 3, or
y = mx + (-m + 3). This is in slope-intercept form.
If you choose m = 2, then the equation becomes
y = 2x +(-2 + 3), or:
y = 2x + 1
Note: to get a single answer to this question you must provide the m value.
A).-40
B).-20
C).20
D).40
Answer:
D) 40
Step-by-step explanation:
(3)(-2)² (-12)(-2) + 4
(3)(4) + (24) + 4
12 + 24 + 4 = 40
To understand:
Rules of adding integers
To add integers having the same sign, keep the same sign. and add the absolute value of each number. To add integers with different signs, keep the sign of the number with the largest absolute value and subtract the smallest absolute value from the largest. Subtract an integer by adding its opposite.
Rules of subtracting integer
First, keep the first number (known as the minuend). Second, change the operation from subtraction to addition. Third, get the opposite sign of the second number (known as the subtrahend) . Finally, proceed with the regular addition of integers.
Rules of multiplying and dividing integers
Multiplication and Division of Integers.
RULE 1: The product of a positive integer and a negative integer is negative. RULE 2: The product of two positive integers is positive.
RULE 3: The product of two negative integers is positive.
-5(-5w+5)-7w=2(w-9)-3
Solve and check
Answer:
w = 1/4
Step-by-step explanation:
Expand the equation
25w - 25 - 7w = 2w - 18 - 3
Rearrange and put the like terms on either side
25w - 7w - 2w = -18 - 3 + 25
Simplify
16w = 4
Divide both sides by 16 to make the variable 'w' on its own
w = 1/4
The numbers 0-9 are on the calculator. If you randomly push one number on the calculator, what is the probability that you will push 8?
Answer:
Its 1/9
Step-by-step explanation:
Answer: 10 percent chance.
Step-by-step explanation: 100%÷10=10%
Which expression is equivalent to -1/2 - (- 3/2)
1/2 - 3/2
-1/2 - 3/2
-1/2 + 3/2
1/2 + 3/2
Answer:
c
Step-by-step explanation:
which decimal is equivalent to 3 2/5?
Answer:
3.4
Step-by-step explanation:
3=3
2/5=4/10=0.4
3+0.4=3.4
Answer:
Step-by-step explanation:
3 and 2/5
5*3 is 15+2 is 17
17/5 is 3.4
Help!! I need help. Please!!
A
Hope this helped ;)
See Picture below. Thanks
Answer:
The angle of DGC is 90 degrees
the value of x is positive 8
Step-by-step explanation:
xoxo brooke
Write 3% as a fraction in simplist form
Answer:
Answer is ...........
3%=3/100
Answer: 3/100
Step-by-step explanation: It is impossible to simplify the fraction 3/100, so it is not changed, and therefore is 3/100.
Based on the above line graph, which of the following statements is true?
Answer:
Step-by-step explanation:
What are the statements and i promise ill give answer
A packet of crisp weighs 32 grams to the nearest gram. a multi-pack crisp contains 10 packets. work out the least and the greatest weighs of the multipack. ignore the weight of the multipack
Answer:
Least weight of multipack :
31.5 * 10 = 315g
Highest weight of multipack :
32.4 * 10 = 324g
Step-by-step explanation:
Weight of a packet of crisp to the nearest gram = 32 g
The least value of the weight of actual packet = 31.5 (least number which can give 32 when rounded to the nearest gram)
The highest value of the weight of actual packet = 32.4g (Highest number which can give 32 when rounded to the nearest gram)
Since a multipack contains 10 packets of crisp :
Least weight of multipack :
31.5 * 10 = 315g
Highest weight of multipack :
32.4 * 10 = 324g
Levi's makes jeans in a variety of price ranges. The Silver Tab Baggy jeans sell for $30, whereas the Offender
jeans sell for $160. The demand for Levi's jeans is inversely proportional to the price. If 400,000 pairs of the
Silver Tab Baggy jeans were bought, approximately how many of the Offender jeans were bought?
Answer:
64,000,000
Step-by-step explanation:
400k x 16 = 64m
k = thousand
m = million
for those who are confused
Nate has $30.50. He wants to buy his dog a sweater that costs $15, a toy that costs $3.79, and a leash that costs $14.79. How much more money does he need?
Answer:$3.08
Step-by-step explanation:
I think he needs $3.08