Answer:
horizontally shrink by factoring of 2, shift 3/2 units to the right, shift 2 units upward
Step-by-step explanation:
Someone help me I will mark you brain
Answer:
x^2 + 8x - 308 = 0
Step-by-step explanation:
A certain shade of pink is created by adding 3 cups of red paint to 7 cups of white paint. What is the constant of proportionality?
Answer:
Task 2:
A certain shade of pink is created by adding 3 cups of red paint to 7 cups of
white paint.
a. How many cups of red paint should be added to 1 cup of white paint?
cups of white
paint
cups of red
paint
1
7
b. What is the constant of proportionality?
Multiplying decimals again, help me!
Answer:
3.6 pounds of green apples
Step-by-step explanation:
Red: 1.5 lbs
Yellow: 0.75 lbs
Green: 1.6 x (1.5 + 0.75)
1.6 x (1.5 + 0.75) -----> parenthesis first
1.6 x 2.25 ---> now multiply
3.6 lbs
Answer:
3.6 pounds of green apples
Step-by-step explanation:
Red: 1.5 lbs
Yellow: 0.75 lbs
Green: 1.6 x (1.5 + 0.75)
1.6 x (1.5 + 0.75) -----> parenthesis first
1.6 x 2.25 ---> now multiply
3.6 lbs
Plz help! Plzzzzz Solve systems of Equations by substitution
y= 5x - 7
-3x - 2y = -12
Slove step by step
Answer:
(2,3)
Step-by-step explanation:
- Substitute the equation for y instead of the y variable.
-3x - 2(5x - 7) = -12
-3x - 10x + 14 = -12
-13x = -26
x = 2
- Now substitute the value of x into the other equation.
y = 5x - 7
y = 5(2) - 7
y = 10 - 7
y = 3
Answer:
x = 2 and y = 3
Step-by-step explanation:
y = 5x - 7
-3x - 2y = -12
Substitute y into the second equation:
-3x - 2(5x-7) = -12
Simplify:
-13x = -26
x = 2
Substitute x into the first equation:
y = 5(2) - 7
y = 10 - 7
y = 3
2x=4x-8
Can someone help me solve for x
Answer:
2x=4x-8
or,2x-4x=-8
or,-2x=-8
or,x=-8/-2
or,x=4
therefore value of x =4
ok hi whats 7x + 7y pls give me the right answer i need at least a b or an a im in sixth grade so pls make me get or right
Answer:
7x + 7y = 7(x+y)
Step-by-step explanation:
Factor out 7 from the expression.
Hello for the millionth time again, need help on this badly, pls.
NEED HELP PLEASE
Complete the table to find the pattern in the number of combinations.
Row 0 0C0 = 1
Row 1 1C0 = 1 1C1 = 1
Row 2 2C0 = 1 2C1 = ? 2C2 = 1
Row 3 3C0 = 1 3C1 =? 3C2 = ? 3C3 = 1
Row 4 4C0 = 1 4C1 = ? 4C2 = ? 4C3 =? 4C4 = 1
9514 1404 393
Answer:
see attached
Step-by-step explanation:
The formula for nCk is ...
nCk = n!/(k!(n -k)!)
It always works out that nC0 = 1 and nC1 = n, and the sequence of numbers across a row of the diagram is symmetrical about the center.
This means you only need to calculate one value to finish filling your diagram.
4C2 = 4!/(2!(2!)) = (4·3)/(2·1) = 6
You will find the pattern to be ...
each element in the diagram is the sum of the two above it.
Need help on order of operations
Answer: p.e.m.d.a.s
Step-by-step explanation: parenthese, exponent, multiplication, division, addition, subtraction
Answer:
You can follow the P.E.M.D.A.S.
Step-by-step explanation:
If you need an explanation for this, the P.E.M.D.A.S are a way to remember the Order of Operations. We can explain this with a simple equation, such as:
4/2+(3*2)-2^2
To begin with, we need to start with the Parentheses. Three times two is equal to six, so now the equation looks like this:
4/2+6-2^2
After that, you need to move onto the Exponents. Two to the power of two (marked with the ^) is four, so we replace 2^2 with a 4.
4/2+6-4
Next, we do the Multiplication and the Division. Since there's no multiplication involved with this particular problem, we'll go right onto the division. 4/2 is equal to two, so you replace that with a simple 2.
2+6-4
Now, lastly you wrap up by doing the Addition and the Subtraction. 2+6-4 is equal to 8-4, and the answer is ultimately 4. A reminder is that you always need to go left to right no matter what or else your solution will most likely be wrong.
I hope this helps! Marking as Brainliest would be highly appreciated. Have a wonderful day. :)
(2^2)^3/2
What is the product of power rule
Answer:
677
Step-by-step explanation:
Eric will run at least 35 miles this week. So far, he has run 18 miles. What are the possible numbers of additional miles he will run?
Use t for the number of additional miles he will run.
Write your answer as an inequality solved for t.
Answer:
18 + t ≥ 35
possibly 17 miles or more
Step-by-step explanation:
18 + t = 35 --> minus 18 on both sides
t = 17
18 + t ≥ 35
________
[tex] \: [/tex]
t = answer
Soo :
18 + t [tex]\geqslant[/tex] 35
[tex] \sf \: t \geqslant 35 - 18[/tex]
[tex] \sf \: t \geqslant 17[/tex]
.
t = {18, 19, 20,...}
twenty seven out of forty dentists recommended a certain whitener for teeth. if 1080 dentists recommended the whitener in the survey, how many dentists were surveyed?
Answer:
1,600 dentists were surveyed in total.
Step-by-step explanation:
We can set up a proportion for this problem:
[tex]\frac{27}{40} = \frac{1080}{x}\\\\\\[/tex]
Now we can cross multiply:
[tex]27*x = 1080*40\\\\27x = 43,200\\\\27x/27 = 43,200/27\\\\x = 1,600[/tex]
1,600 dentists were surveyed in total.
A store received 620 containers of milk to be sold by March 1. Each container cost
the store $0.78 and sold for $1.56. The store signed a contract with the distributor in
which the distributor agreed to a $0.40 refund for every container not sold by March
1. If 430 containers were sold by March 1, how much profit did the store make?
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Answer:
$263.20
Step-by-step explanation:
The number not sold was ...
620 -430 = 190
The cost for a container not sold was ...
$0.78 -0.40 = $0.38
__
The cost of containers sold was ...
$0.78 × 430 = $335.40
The cost of containers not sold was ...
$0.38 × 190 = $72.20
The total cost for the 620 containers of milk was ...
$335.40 +72.20 = $407.60
The total revenue from the 430 containers sold was ...
$1.56 × 430 = $670.80
Then the profit was ...
profit = revenue - cost
profit = $670.80 -407.60 = $263.20
_____
Additional comment
The calculation can be simplified to ...
$1.16 × (number sold) - $0.38 × (number bought)
Which of the following is the graph of y = -x^2 - 1?
Un empresario compró 1000 tabletas a $1500 cada una. Vendió 450 de ellas obteniendo una
ganancia del 25%.
¿ A qué precio deberá vender las otras 550 restantes si la utilidad promedio del lote completodebe ser del 40%?
Answer:
Step-by-step explanation:
1000($1500(0.40)) = $600 000
450($1500(0.25)) = $168,750
600,000 - 168,750 = $431,250
$431,250 / 550 = 784.0909090... $784.09
$1500 + $784.09 = $2,284.09
the coeffient of variation, expressed as a percent, is used to describe the standard deviation relative to the mean. It allows us to compare variability of data sets with different measurement units and is calculated as coefficient of variation =100(s/x) Find the coefficient of variation for the following sample weights in pounds 130,127,186,105,197,153,172,150,116,125
The required coefficient of variation 23.44.
What is sample space?
A sample space is a set of potential results from a random experiment. The letter "S" is used to denote the sample space.
Given that,
The coefficient of variation for the sample,
CV = 100(s/x),
Where s is the standard deviation and x is the mean,
According to the provided formula,
The mean weight is 143.5 pounds,
And the standard deviation is 33.65 pounds.
Thus, after entering those values:
CV = 100 * (33.65/143.5)
CV ≈ 23.44
Therefore, for the sample weights in pounds that is given, the coefficient of variation is roughly 23.44.
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-7 < x < -4 x is an integer write down the possible values for x
The possible values are anything between -7 and -4 so this means it would be either -5 or -6
Sarah can walk 3 miles in 1 hour at this pace how many miles will Sarah walk in 4 hours
Answer:
12 miles
Step-by-step explanation:
3 miles per 1 hour pace
3 × 4 = 12 miles
Answer:
x = 12 miles
Step-by-step explanation:
Sarah can walk 3 miles in 1 hour.
At this pace how many miles will Sarah walk in 4 hours?
Write and solve an equation of ratios:
3 mi 1 hr
--------- = --------
x 4 hr
Cross-multiplying yields x = 12 miles.
Sarah can walk 12 miles in 4 hours
Graph the function g(x) = 4x–7.
Answer:
two dots: (0, -7), (1, -3)
and it's the line
Step-by-step explanation:
just try x=0, g(x)=-7
and x=1, g(x)=-3
which side lengths form a right triangle ?
Answer:
I would use Pythagorean theorem To find the lengths and just plug in numbers from the answer choices.
Step-by-step explanation:
A speaker is in the shape of a cube with an edge length of 3.5 inches. The speaker is sold in a package in the shape of a square prism with a base area of 16 in2 and a height of 4.25 inches. What is the surface area of the package
Step-by-step explanation:
A square prism is a three-dimensional cuboid where the base and top are equal squares and the remaining 4 faces are rectangles.
to get the surface area of the package (that square prism) the size of the content inside is irrelevant and only there to confuse us.
the package has a base area of 16 in².
that means it also has a top (or cover) area of the same size : 16 in².
as top and bottom are squares, that means their areas are the square of their side lengths.
therefore, the side length of such a square is
s = sqrt(16) = 4 in
now we know also the dimensions of the 4 rectangles that are the side areas (faces) : 4 in × 4.25 in
the area of such a rectangle is
4 × 4.25 = 17 in²
so, the total surface area is (top and bottom + 4 side areas)
2×16 + 4×17 = 32 + 68 = 100 in²
1. Amber started a new job with an annual salary of P250 000 in year 2014. Ifshe receives P6 000
raise each year, how much will her annual salary be in 2015, 2016, 2018, 2020, and 2021?
. If there are 200 bacteria at the end of the first day, how many bacteria willthere be after 2 days,
after 4 days, after 5 days, after 6 days and after 7days if the bacteria triple in number every day?
Answer:
See belowStep-by-step explanation:
The first part solved only. The second part is incomplete.
Using the information we build the equation for salary calculation:
S(x) = (x - 2014)*6000 + 250000, where S is the annual salary at year x, provided x > 2014Use the equation and work out salary:
S(2015) = 1*6000 + 250000 = 256000S(2016) = 2*6000 + 250000 = 262000S(2018) = 4*6000 + 250000 = 274000S(2020) = 6*6000 + 250000 = 286000S(2021) = 7*6000 + 250000 = 2920005.
Consider the complex number iv3.
5a
What is the real part?
What is the imaginary part?
НІ
Beate your next step here
X+
(
b
Answer:
[tex] \sqrt{3} \: \: is \: real \: part[/tex]
[tex]i \: is -1 which is \: imaginary \: part[/tex]
A student scores 74,87,68,63,76 on his last five exams. His teacher will drop the lowest grade to compute the student's average. What is the students average in the class ?
Answer: 76.25
Average is the sum of numbers divided by the number of numbers
74 + 87 + 68 + 76 = 305
305 / 4 = 76.25
Mr. and mrs. O'hara have twice as many boys as girls. They have two girls. How many children do they have?
Answer:
6 children
Step-by-step explanation:
If the O'hara's have 2 girl and we know that they have twice as many boys then the equation would look like this..
2 x 2 = boys
There are 4 boys
But they are asking total children which will include the girls,
4 + 2 = 6 children
Hope this helps :)
5 1/2x + 2/3x=37 what does x equal
Answer:
[tex]x=6[/tex]
Step-by-step explanation:
Convert mixed numbers to improper fractions: [tex]5\frac{1}{2} =\frac{11}{2}[/tex]
[Formula to convert mixed to improper: [tex]a\frac{b}{c} =\frac{a * c+b}{c}[/tex]]
--
[tex]\frac{11}{2} x+\frac{2}{3} x=37\\\\[/tex]
--
Find least common multiplier of 2, 3: 6
[Multiply by LCM = 6]
--
Simplify: [tex]37x=222[/tex]
Divide both sides by 37
--
Which is then simplified to 6
7 inches high, 4 inches long, and 4 inches wide what is the area
A = 144 square inches
Step-by-step explanation:
surface area of rectangular prism :
A = 2(hℓ + ℓw + hw)
A = 2(7 · 4 + 4 · 4 + 7 · 4)
A = 2(28 + 16 + 28)
A = 2(72)
A = 144 square inches
Write the equation for the function graphed below.
The equation of the function graphed below is f(x) = a(x - 2)² - 3 since the vertex is at (2, -3).
We have,
From the graph given,
The vertex is at (2, -3).
Now,
The vertex form of a quadratic function is given by:
f(x) = a(x - h)² + k
Where (h, k) is the vertex of the parabola.
Given the vertex (2, -3), we can plug in the values of h and k into the vertex form:
f(x) = a(x - 2)² - 3
Thus,
The equation of the function graphed below is f(x) = a(x - 2)² - 3
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sorry if it's confusing I just need help lol
Step-by-step explanation:
1urojwnsjsue929283837477393
Find x. Make sure to round to the correct number of decimal places.
Answer:
Step-by-step explanation: the x is in the right
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