Answer:
$21.64
Step-by-step explanation:
original amount = spent + remaining
original amount = 4.76 + 16.88
= $21.64
Answer:
Michelle started with $21.64.
Step-by-step explanation:
To solve this problem, we simply need to add he current price, or $16.88, to the amount she spent, or $4.76.
16.88 + 4.76 = $21.64
Therefore, Michelle started with $21.64.
Hope this helps! :D
Write down the value of
5°
Answer:
The absolute value of 5 is the distance of 5 from the 0. So you go 1, 2, 3, 4, 5. 5 is exactly 5 to the right of 0. So the absolute value of 5 is just 5.
Step-by-step explanation:
PLEASE HELP What is 20.?
y=6x2-12x+1 axis of symmetry
Click and drag like terms onto each other to simplify fully.
6+6y-7-6y-2y+3y²
You must answer all questions above in order to submit.
attempt 1 out of
Answer:
pls rate as brainliest it will really go a long way
C=59(F−32)
The equation above shows how temperature F, measured in degrees Fahrenheit, relates to a temperature C, measured in degrees Celsius. Based on the equation, which of the following must be true?
A temperature increase of 1 degree Fahrenheit is equivalent to a temperature increase of 59 degree Celsius.A temperature increase of 1 degree Celsius is equivalent to a temperature increase of 1.8 degrees Fahrenheit.A temperature increase of 59 degree Fahrenheit is equivalent to a temperature increase of 1 degree Celsius.
A) I only
B) II only
C) III only
D) I and II only
Who ever answers this first correctly and show explanation gets brainliest
ANSWER:
d
ANSWER EXPLANATION: Think of the equation as an equation for a line
y=mx+b
where in this case
C=59(F−32)
or
C=59F−59(32)
You can see the slope of the graph is 59, which means that for an increase of 1 degree Fahrenheit, the increase is 59 of 1 degree Celsius.
C=59(F)
C=59(1)=59
Therefore, statement I is true. This is the equivalent to saying that an increase of 1 degree Celsius is equal to an increase of 95 degrees Fahrenheit.
C=59(F)
1=59(F)
(F)=95
Since 95 = 1.8, statement II is true.
The only answer that has both statement I and statement II as true is D, but if you have time and want to be absolutely thorough, you can also check to see if statement III (an increase of 59 degree Fahrenheit is equal to a temperature increase of 1 degree Celsius) is true:
C=59(F)
C=59(59)
C=2581(whichis≠1)
An increase of 59 degree Fahrenheit leads to an increase of 2581, not 1 degree, Celsius, and so Statement III is not true.
The final answer is D.
Answer:
D) i and ii
Step-by-step explanation:
from given equation, we can simplify =
1.8 C = F-32 .....................i
F = 1.8 C +32 ....................ii
now, from (i)
1.8 (C+1 ) = 1.8 C + 1.8 = (F +1.8) -3.2
so increasing 1 C equivalent to 1.8 F ........... iii
from iii,
increasing (1/1.8) C or (5/9) C equivalent to (1.8/1.8) F or 1 F
increasing (5/9)/ (5/9) or (25/81) C equivalent to 5/9 degree F
(so given iii become false)
only i and ii is true = D
The length of a bacterial cell is about 5 x 10−6 m, and the length of an amoeba cell is about 3.5 x 10−4 m. How many times smaller is the bacterial cell than the amoeba cell? Write the final answer in scientific notation with the correct number of significant digits.
1.4 x 101
7 x 101
143 x 101
7 x 103
The bacterial cell is 7 x 10¹ times smaller than the amoeba cell.
Here,
The length of a bacterial cell is about 5 x 10⁻⁶ m.
The length of an amoeba cell is about 3.5 x 10⁻⁴ m.
We have to find the how many times the bacterial cell is smaller than the amoeba cell.
What is Division method?
Division method is used to distributing a group of things into equal parts.
Now,
The length of a bacterial cell is = 5 x 10⁻⁶ m.
The length of an amoeba cell is = 3.5 x 10⁻⁴ m.
Hence, The size of cell is calculated as = 3.5 x 10⁻⁴ ÷ 5 x 10⁻⁶
= 0.7 x 10²
= 7 x 10¹
Therefore, The bacterial cell is 7 x 10¹ times smaller than the amoeba cell.
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Answer:
7 x 10^1 (i got it right on the exam)
Bristol's credit card has a 30.99% APR, a minimum monthly payment of 3.5%, and a current statement balance of $4,186.19. She spends $750.00 in purchases and makes the current minimum monthly payment of $146.52. What will be Bristol's next minimum monthly payment?
a)$123.69
b)$145.50
c)$167.64
d)$171.97
Bristol's next minimum monthly payment is $171.97
How was the minimum monthly payment of $146.52 computed?
The minimum monthly payment of $146.52 was computed from the current statement balance as 3.5% of $4,186.19
minimum monthly payment=$4,186.19*3.5%
minimum monthly payment=$146.52
The balance at the beginning next month is current statement balance minus the minimum monthly payment plus purchases of $750.00 and the interest for the month
beginning balance next month before interest=($4,186.19-$146.52)+ $750.00
beginning balance next month before interest=$4,789.67
beginning balance next month after interest=$4,789.67*(1+30.99%/12)
beginning balance next month after interest=$4,913.36
Bristol's next minimum monthly payment=3.5%*$4,913.36
Bristol's next minimum monthly payment=$ 171.97
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a right circular cylinder, a, has radius r and height h. another right circular cylinder, b, has radius 3r and height 2h. what is the ratio of the volume of a to the volume of b ?
The ratio of the volume of the rigth circular cylinder a to the volume of the right circular cylinder b is 1: 18.
According to the given question.
We have two right circular cylinder, a nd b.
Also,
The radius of right circular cylinder, a is r.
The height of the right circular cylinder, a is h.
The radius of the right circular cylinder, b is 3r.
And the height of the right circular cylinder, b is 2h.
As we know that, the volume of a cylinder can be calculated using the formula V=πr^2(h). Where r is the radius and h is the height of the cylinder.
So, the volume of the right circular cylinder a = πr^2h
And, the volume of the right circular cylinder b = π(3r)^2(2h) = 18hr^2π
Therefore,
The ratio of the volume of the rigth circular cylinder a to the volume of the right circular cylinder b
= πr^2h/18hr^2π
= 1:18
Hence, the ratio of the volume of the rigth circular cylinder a to the volume of the right circular cylinder b is 1: 18.
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Put together the whole solution.
53116 is equal to 10+ 10+ 10+ 3 with a remainder.
531 divided by 16
Explanation:
531/16=(10+10+10+3) + 3
Didisor =16
Dividend=531
Quotient= 10+10+10+3
=33
Remainder=3
531-3=33*16
528=33*16
528/16=33
33=33
How many negative real zeros are possible for a polynomial function f, given that f(−x) has 9 variations in sign? (Select all that apply.)
*1
*2
*3
*4
*5
*6
*7
*8
*9
The possible number of negative real zeros in the polynomial function is 9
What are the zeros of a polynomial function?The zeros of a polynomial function are the x-intercepts of the function i.e. the points where the graph of the polynomial function cross the x-axis
How to determine the number of negative real zeros?The given parameters are
The polynomial function, f(x)
f(−x) has 9 variations in sign
The number of variation in sign represents the possible number of negative real zeros
Recall that
The x-intercept (or the zeros) of the function is the point or points where the graph of the function crosses the x-axis i.e. the point where the function equals 0
This means that
Number of negative real zeros = variation in sign
So, we have
number of negative real zeros = 9
Hence, the possible number of negative real zeros in the polynomial function is 9
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simplify the expression the square root of 3/15x
divide a⁴-16 by a+2
Answer:
[tex]\textsf{Factored form}: \quad (a^2+4)(a-2)[/tex]
[tex]\textsf{Standard form}: \quad a^3-2a^2+4a-8[/tex]
Step-by-step explanation:
Given expression:
[tex]\dfrac{a^4-16}{a+2}[/tex]
Rewrite the exponent 4 as 2·2 and 16 as 4²:
[tex]\implies \dfrac{a^{2 \cdot 2}-4^2}{a+2}[/tex]
[tex]\textsf{Apply exponent rule} \quad a^{bc}=(a^b)^c[/tex]
[tex]\implies \dfrac{\left(a^2\right)^2-4^2}{a+2}[/tex]
[tex]\textsf{Apply the Difference of Two Squares Formula} \quad x^2-y^2=\left(x+y\right)\left(x-y\right):[/tex]
[tex]\implies \dfrac{(a^2+4)(a^2-4)}{a+2}[/tex]
Rewrite 4 in the second parentheses of the numerator as 2²:
[tex]\implies \dfrac{(a^2+4)(a^2-2^2)}{a+2}[/tex]
Apply the Difference of Two Squares Formula to (a² - 2²):
[tex]\implies \dfrac{(a^2+4)(a+2)(a-2)}{a+2}[/tex]
Cancel the common factor (a + 2):
[tex]\implies (a^2+4)(a-2)[/tex]
Expand:
[tex]\implies a^2(a-2)+4(a-2)[/tex]
[tex]\implies a^3-2a^2+4a-8[/tex]
How many times larger is (1.092 × 101) than (7 × 10−1)?
0.156
15.6
6.41
6.908
Step-by-step explanation:
1.092*101 is the same as 1.092*100 ( or 109.2)+1.092, which equals 110.292.
7*10 is 70-1 is 69. from here, we can just estimate it since 69*2 is 138. Once you do it, you can find that it is roughly 1.59.
I hope this helped. I didn't know what you meant by the numbers under it.
Answer:
the answer is 15.6
Step-by-step explanation:
What is the value of a in this function’s equation?
A.
-1
B.
1
C.
-2
D.
2
Answer:
Because the graph has the parabol shape, so the equation of it has the function:
y = ax² + bx + c
Because the parabol has a peak at point (0; 9)
=> 9 = a.0² + b.0 + c
=> c = 9
=> The parabol has a function:
y = ax² + bx + 9
Because the parabol goes through point (3; 0)
=> 0 = a.3² + b.3 + 9
=> 9a + 3b = - 9 (1)
Because the parabol goes through point (-3; 0)
=> 0 = a.(- 3)² + b.(- 3) + 9
=> 9a - 3b = - 9 (2)
Plus (1) and (2):
=> 18.a = - 18
=> a = - 1
Substitute the result on (1)
=> b = 0
=> The function of the parabol: y = - x² + 9
=> a = - 1
=> Choose A. - 1
Given: f = {(0, 1), (2, 4), (4, 6), (6, 8)} and g = {(2, 5), (4, 7), (5, 8), (6, 9), (7, 5)} (f + g) (2) = given: f = {(0, 1), (2, 4), (4, 6), (6, 8)} and g = {(2, 5), (4, 7), (5, 8), (6, 9), (7, 5)} (f - g) (6) = given: f = {(0, 1), (2, 4), (4, 6), (6, 8)} and g = {(2, 5), (4, 7), (5, 8), (6, 9), (7, 5)} (f g) (2) =
(f + g) is { (2,6) ,(6,11) ,(9,14),(12,17) } and (f - g) is { (-2,-4) ,(-2,-3) ,(-1,-2),(0,-1)}.
What is a function?A certain kind of relationship called a function binds inputs to essentially one output.
A function can be regarded as a computer, which is helpful.
The machine will only accept specified inputs, described as the function's domain, and will potentially produce one output for each input.
Given the functions f and g
f = {(0, 1), (2, 4), (4, 6), (6, 8)}
g = {(2, 5), (4, 7), (5, 8), (6, 9), (7, 5)}
Now,
f + g is nothing but the sum of x and y corresponding
For example (0,1) + (2,5) = (2 ,6)
Similarly (0,1) - (2,5) = (-2,-4)
So,
(f + g) = { (2,6) ,(6,11) ,(9,14),(12,17) }
(f - g) = { (-2,-4) ,(-2,-3) ,(-1,-2),(0,-1)}
Hence "(f + g) is { (2,6) ,(6,11) ,(9,14),(12,17) } and (f - g) is { (-2,-4) ,(-2,-3) ,(-1,-2),(0,-1)}".
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Consecutive NUMBERSSS
Answer: The three consecutive numbers that make up -30 are -9, -10, and -11, -9 + -10 + -11 = -30. The smallest of the three consecutive numbers is -11.
Step-by-step explanation:
what is the volume of the 3ft 25 square feet prism
express the limit as a definite integral on the given interval. lim n→[infinity] n xi ln(1 xi2) δx, [2, 6] i
The limit as a definite integral on the given interval. lim n→[infinity] n xi ln(1 xi2) δx, [2, 6] {62xlnc 1+X2} dx
As per the given question
Lim n - infinite n xi ln (1×i2) € x = (A,B) =(2,6)
We have to put the formula of Reimann sum
That is Rn = Sigma x ni = 1f (xi) ∆x
Comparing the evolved formula with the given expression we get
f (xi) = xi ln (1×2i)
Back substitute the variable x for xi
Thus the definite integral is
( 6 2 x ln (1+X2)) dx
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Abigail redecorates her house. A scale drawing of her house can be seen below. if each 6 cm on the scale drawing equals 12 ft, what are the actual dimensions of Abigail's house?
The actual dimensions of Abigail's house are 20ft, 14ft, 18ft, 16ft, 18ft.
For 6 cm in drawing his house is 12 ft on scale which is twice the drawing
This means the scale factor is 2
Therefore,
10cm = 2 × 10 = 20ft
7cm = 2 × 7 = 14ft
9cm = 2 × 9 = 18ft
8cm = 2 × 8 = 16ft
9cm = 2 × 9 = 18ft
What is scale factor?The scale factor is the quantity that is multiplied by an object's scale to produce a separate object that has the same appearance but is a different size—either scaled up or scaled down.
To increase an object by a scale factor, measure all of its sides and multiply the result by the scale factor.
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if you want to change the order of operations in a formula, use these around the part of the formula you want to calculate first.
To change the order of operations in a formula, use parentheses around the part of the formula you want to calculate first.
Parentheses allow you to group elements in a cell. This allows you to create more complex and more powerful formulas.
Consider the expression 6+4*2.
The above formula gives result as 14 because Excel performs multiplication before addition. The formula multiplies 4 by 2 and then adds 6 to the result.
Now consider the expression (6+4)*2.
If you use parentheses to change the syntax, Excel adds 6 and 4 together and then multiplies the result by 2 to produce 20.
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To change the order of operations in a formula, use parentheses around the part of the formula you want to calculate first.
Parentheses allow you to group elements in a cell. This allows you to create more complex and more powerful formulas.
Consider the expression 6+4*2.
The above formula gives result as 14 because Excel performs multiplication before addition. The formula multiplies 4 by 2 and then adds 6 to the result.
Now consider the expression (6+4)*2.
If you use parentheses to change the syntax, Excel adds 6 and 4 together and then multiplies the result by 2 to produce 20.
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6. Seeta thinks a number and subtracts 7/3 from it. She multiplies the result by 6. The result now obtained is 2 less than twice the same number she thought of. What is the number?
Greetings from Brasil...
The number thought will be X, so
6.(X - 7/3) = 2 - 2X
X = 2someone help pleaseeeee
Answer: I think 1.2
Step-by-step explanation:
1.35
If mary wants to bake muffins .she she has 3kg of flour. if a tray of 6 muffins 200g of of flour how many trays will she bake
Mary will bake 15 trays.
Firstly converting the amount of flour into grams that Mary has.
As per the known facts 1 kilogram = 1000 grams.
So, amount of flour in grams = 3 × 1000
Performing multiplication to calculate amount of flour
Amount of flour in grams = 3000 grams.
Now, 200 grams flour is required by number of trays = 1
So, 3000 grams flour will be required by number of trays = (1÷200)×3000
Performing multiplication and division to find the number of trays that can be baked
Number of trays = 15
Hence, Mary can bake 15 trays of muffins with 3 kilograms of flour.
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I’m really confused on number 3 please helppp
Answer:
See explanation
Step-by-step explanation:
a. Skewed to the right since the tail of the graph is on the right
b. Each bar is 3 values. 7*3=21 values
c. The bars are taller for lower numbers. Hence, the question could be about age. "Who likes to watch cartoons?"
I need Help please with aleks
Answer:i do hope this helps 1 should be f(x)=0 0=sqrt-2+2
2 should be f(x)=343.0029154 343.0029154=sqrt7^6+2
3 should be f(x)=6 6=sqrt34+2
4 should be f(x)=10 10=sqrt98+2
and im sorry if im wrong
6. Which is the best buy for a box of oat cereal? a. 10 ounces for $2.69 b. 12 ounces for $3.18 c. 16 ounces for $4.08 d. 24 ounces for $5.88
Answer:
123910-w137762 cotkw
naodiskd
599 tickets sold for a play. there were 51 fewer student tickets sold than adult tickets. how man adult tickets were sold
Answer: Adult tickets were sold = 325
Step-by-step explanation:
Let, A = Number of adult tickets sold
S = Number of student tickets sold
Total number of tickets=599
Therefore:
A + S = 599
If, there were 51 fewer student tickets sold them adult tickets.
Since,
S=A-51
So, substitute A-51 for the value of the first equation.
A+S=599
A+(A-51)=599
Expanding to get:
2A-51=599
Solve to get:
2A=599+512
A=650A
A=325
So, A=325 adult tickets were sold.
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If you were to describe a reection of triangle , what information would you need to include in your description?
Reflection over the y-axis: (x,y)→(−x,y)
Reflection over the x-axis: (x,y)→(x,−y)
When making a reflection of a triangle and describing it you would need to provide the following two details. First, over which axis the triangle is being reflected over. Secondly, the exact location of each reflected point of the triangle. Doing so would describe how the triangle is being reflected and which point is ending up in which location. Thus, letting the viewer/reader know exactly what is being done to the triangle
Triangle reflection is the figure obtained when a triangle is flipped on a coordinate system based on a line of reflection.
Reflection over the y-axis: (x,y)→(−x,y)
Reflection over the x-axis: (x,y)→(x,−y)
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alana drew a scale drawing of an apartment. the broom closet, which is 6 feet wide in real life, is 3 inches wide in the drawing. what is the scale of the drawing?
The scale factor of Alana's drawing is 3: 72.
What is the scale factor?You must specify the extent of the shape's enlargement when describing one.
The scale factor is the ratio of two dimensions such that one figure is large and another is small.
The scale factor is done due to the unpractical measurement of any figure.
Dimension in real = 6 feet
Since,
1 feet = 12 inches
6 feet = 72 inches
Dimension in drawing = 3 inches.
Scale factor = Dimension in drawing / Dimension in real
Scale factor = 3/72
Hence "The scale factor of Alana's drawing is 3: 72".
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Rewrite, using the distributive
property.
1(19c+30) = [?]c + [ ]
Answer:
19c + 30
Step-by-step explanation:
Distributive property : a(b+c) = ab + ac
Explanation : simply multiply the value on the outside of the parenthesis by both the values on the inside of the parenthesis.
Here we have 1(19c + 30)
To distribute, we multiply 1 by both 19c and 30
1 x 19c = 19c
1 x 30 = 30
We're left with 19c + 30