Answer:
53.658
Step-by-step explanation:
All of the following are rational numbers: .5, 7, V16
O True
O False
Answer:
Your answer is: A) True
( I say true because 1) .5 2) 7 are rational) ( I dont know about v16, if that is what it is supposed to say, then I cant quite tell)
A rational number is any integer, fraction, terminating decimal, or repeating decimal.
Step-by-step explanation:
Hope this helped : )
I received $385 back from the government, which represented the 17.5% purchase tax on a piece of equipment. How much did I pay for this equipment in the first place?
Answer:
[tex]the \: equipment \: price \: is : 2,200.[/tex]
Step-by-step explanation:
[tex]let \: the \: original \: price \: be \: x \\ then \: 17.5\% \: of \: x = 385 \\ \frac{17.5}{100} \times x = 385 \\ 17.5x = 100 \times 385 \\ x = \frac{38500}{17.5} \\ x = 2,200.[/tex]
Mr. Lin received a box of books in the shape of a rectangular prism. The volume of the box is 486 in 3. What is the width of the
box?
18 in.
Use the formula W=Th, where l is the length of the prism, h is the height, V is the volume, and w is the width.
6 inches
9 inches
27 inches
81 inches
Mark this and return
Save and Evi
Answer:
W = 9 inches.
Step-by-step explanation:
The volume of a rectangular prism is given by
[tex]V=whl[/tex]
Where
w,h and l re width, height and length of rectangular prism
It is not mentioned that a box has a length of 18 inches and a height of 3 inches.
Using above formula.
[tex]486=w\times 18\times 3\\\\486=54w\\\\w=9\ \text{inches}[/tex]
So, the width of the box is 9 inches.
Use the graph and the translation (x,y) (x+1,y+4) to answer parts a and b below
Answer:
Step-by-step explanation:
Enter the image of each vertex as an ordered pair.
A -> A = (-7,7)
B -> B = (-1,3)
C -> C = (-4,2)
Graph the pre-image and image of ABC. Choose the correct graph below.
Answer is C
If f (x) = one-ninth x minus 2, what is f>1(x)
Answer: f-1(x) = 9x + 18.
Step-by-step explanation:
let y = f(x) and rearrange making x the subject, that is
y = x - 2 ( add 2 to both sides )
y + 2 = x
Multiply through by 9 to clear the fraction
9y + 18 = x
Change y back into terms of x
(x) = 9x + 18
Answer:
Answer: f-1(x) = 9x + 18.
Step-by-step explanation:
The ratio of juniors to seniors on the track team is 6:7. How many juniors are on the track team if there are 21 seniors on the team?
answer: 18
Answer:
There are 18 juniors on the track team
Answer:
There are a total of 18 juniors on the track team.
Step-by-step explanation:
Apply the following ratio to the quantity by multiplying.
6:7 = 6 to 7 or 6/7
6/7 × 21 = 126/7 = 18
Solve
(6x + 5) - (x + 3)
Answer:
5x+2
Step-by-step explanation:
6x-x=5x and 5-3=2
so 5x+2 is the answer.
y = 9 - 1
What is this ?
What is the perfect square of 4 with an exponent of 2
Answer:
[tex]\sqrt{4^{2}[/tex] = 4
Step-by-step explanation:
the square root cancles out the exponet because it's just the same thing. One is a negative impact the other is positive.
What is the equation of the line that passes through the point (5,1) and has a slope
of 6/5?
Answer:
y-1 = 6/5(x-5) Point slope form
y-1=6/5x - 6
y-1 +1=6/5x -6+1
y = 6/5x - 5 Slope intercept form
y -6/5x + 5 = 6/5x-5 -6/5x+5
y-6/5x+5=0 General Form
Nola hiked down a trail at a steady rate for 10 minutes. Her change in elevation was −190 feet. Then she continued to hike down for another 20 minutes at a different rate. Her change in elevation for this part of the hike was −200 feet. During which portion of the hike was her rate of change in elevation greater? Complete the explanation. Her rate was faster in the (Select: First, Second) part of the hike, because her heart rate was ____ ft/min in the first part and ___ ft/min in the second part.
Answer:
Her rate was faster in the FIRST because her rate was - 19 ft/ minutes in the FIRST PART and - 10ft/minute in the SECOND part
Step-by-step explanation:
Portion 1
Time taken to hike down = 10 minutes
Change in elevation = - 190 ft
Portion 2
Hiked down for further 20 minutes
Change in elevation = - 200ft
During which portion of the hike was her rate of change in elevation greater?
Rate of change in elevation :
Change in elevation / time
Portion 1:
Rate of change in elevation :
Change in elevation / time
- 190 ft / 10 minutes = - 19 ft/minutes
Portion 2:
Rate of change in elevation :
Change in elevation / time
- 200 ft / 20 minutes = - 10 ft/minutes
Her rate was faster in the FIRST because her rate was 19 ft/ minutes in the FIRST PART and 10ft/minute in the SECOND part
Plot the image of point Q under the translation (x, y) + (x - 3, y + 4).
Answer:
( 2, -1 )
Step-by-step explanation:
The image of the assumed point Q(2, 3)) under the translation is Q'(-1, 7).
What is Translation?Translation is a type of transformation of geometrical figures. After translation, the original figure is shifted from a place to another place without affecting it's size.
Translation of a point (x, y) indicates that the point is moved x units along the X axis and y units along the Y axis,
Here we have to translate the point Q(2, 3).
Point (x, y) is translated as (x - 3, y + 4).
That is the point (x, y) moves 3 units to the left along the X axis and 4 units upwards along the Y axis.
Q(2, 3) after the translation becomes,
Q'(2 - 3, 3 + 4) = Q'(-1, 7)
Hence the point Q(2, 3) under the translation (x - 3, y + 4) is the point Q'(-1, 7).
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Will give brainliest, like, comment, and 5 points
Could you please answer this:
The answers you can choose are proportional or non-proportional.
((h – k)(3)
Please answer quickly!!!!
Answer:
[tex](h – k)(3) = h3 - k3[/tex]
Please help me right away and you will get 12 points I need it done today so plz help me
Answer:
all u have to do is add up the denominator and numerators together because just because u see something as an add problem it's still more stuff to add 6+8=14 7+5=12 add up 14+12=26+blank=what
Step-by-step explanation:
hopefully this helped
How do I solve 3 (9-5)² ÷8 ?
Answer:
3(9-5)^2 ÷8
3(4)^2÷8
3(16)÷8
3(2)=6
Answer:
6
Step-by-step explanation:
9-5=4
=4
3×4^2 ÷ 8
4^2=16
3×16 ÷8
3×16=48
48÷8=6
The Baldwin family walked 4/5 of a mile in 4/9 of an hour. What is their unit rate in miles per hour?
Answer:
1.8
Step-by-step explanation:
Unit rate in mile per hour
= 4/5 mile / 4/9 hour
= 4/5 * 9/4 = 9/5 miles per hour
= 9/5 = 1.8 miles per hour
which equation matches the graph
A.y=2x+3
B.y=-2x+3
C.y=-4x+2
D.y=4x+2
a=4, b=2 and c=-3
who wanna tell me the answer lol my Photomath won’t tell me
Answer:
-23
Step-by-step explanation:
Answer:
-23
Step-by-step explanation:
Just plug in the values of the variables into the expression. You'll get -4(10)/2 - 3. That equals -20 - 3, or -23.
find the values of a and b
Answer:
Im not sure about a but, b= 38
Step-by-step explanation
b: 90 - 52 = 38
*90 because it is a right angle
Does anyone know how to solve this 5x(x+4)^2-2y^5 x=-3 and y=-2
Answer:
49
Step-by-step explanation:
Please help me :( no ones helping me :( pls show how you got it too :( thank you ill give you all my points 30 points
Answer:
1. a. 110
because 5 less than 35 is 30 and 5 less than 10 is 5. it would only make sense for 5 less than 110 is 105
7. D. 54
every other number in the equation is one less (8,7,6,5)
and inbetween those the number is multiplied by 3 (2×3=6, 6×3=18) so then 18×3 =54
the middle left. D. 27
every other one is multiplied by 2 (2×2=4, 4×2=8, 8×2=16) but the first one is multiplied by 3. (1×3=3 3×3=9 9×3=27 27×3=81)
11. A.11
it adds 6 every other (17+6=23, 23+6=29)
for every other first one it adds 4. (7+4=11, 11+4=15, 15+4=19)
12. D. 18
for every other it adds 2.(4+2=6, 6+2=8)
for every other second it adds 6. (6+6=12, 12+6=18, 18+6=24)
15. D. 49
for every other it subtracts 6 (67-6=61, 61-6=55, 55-6=49)
the every other second it divides in half. (32÷2=16, 16÷2=8, 8÷2=4)
18. D. 17
for every other it adds 2.(13+2=15, 15+2=17, 17+2=19)
for every other second it subtracts 2. (21-2=19, 19-2=17, 17-2=15)
Step-by-step explanation:
im pretty sure these are correct, i hope this helps
A baking mix consists of powdered milk, sugar, and flour in a ratio of 3:4:13.
How many pounds of each ingredient do you need to make 4 lb of baking mix?
Answer:
Sugar = 0.8 lb
milk = 0.6 lb
Flour = 2.6 lb
Step-by-step explanation:
Firstly, we add the ratios = 3 + 4 + 13 = 20
For milk, we have 3/20 * 4 = 12/20 = 0.6 lb
For sugar l, we have 4/20 * 4 = 16/20 = 0.8 lb
For flour = 13/20 * 4 = 52/20 = 2.6
You will need:
[tex]Milk = 0.6 $ lb\\Sugar = 0.8 $ lb\\Flour = 2.6 $ lb[/tex]
Given:
Milk : Sugar : Flour = 3 : 4 : 13
To find the number of pounds of each ingredient required to produce 4 lb of baking mix, solve as follows:
Amount of each ingredient needed = ratio of each ingredient / total ratio value x 4 lb
Thus:
Total ratio value = [tex]3 + 4 + 13 = 20[/tex]
Amount of milk needed = [tex]\frac{3}{20} \times 4 = 0.6 $ lb[/tex]
Amount of Sugar needed = [tex]\frac{4}{20} \times 4 = 0.8 $ lb[/tex]
Amount of Flour needed = [tex]\frac{13}{20} \times 4 = 2.6 $ lb[/tex]
Therefore, you will need the follow amounts to make 4 lb of baking mix:
[tex]Milk = 0.6 $ lb\\Sugar = 0.8 $ lb\\Flour = 2.6 $ lb[/tex]
Learn more here:
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Which of the following equations have the same solution as 3x-5=5x×11
Answer:
-5=2x+11
Step-by-step explanation:
Y
Can I have help with an algebraic equation?
Answer:
What is the equation?
Step-by-step explanation:
Answer:
Step-by-step explanation: what is the probelm i can help.
(PLEASE ANSWER ILL GIVE YOU 20 POINTS) Determine if the relation is a function. If the relation is a function, find the domain and range.Required to answer. Single choice.
Answers:
The relation is a function
Domain = {-2, -1, 0, 1, 2}
Range = {-2, 0, 2}
=================================================
Explanation:
The blue points shown are
(-2,-2)
(-1,0)
(0,2)
(1,0)
(2,-2)
Note how the x values do not repeat themselves. Visually this graph passes the vertical line test. It is impossible to draw a single straight vertical line through more than one blue point at a time. It tells us that any x input leads to exactly one y output.
The relation is a function
The domain is the set of x coordinates of the points
Domain = {-2, -1, 0, 1, 2}
The range is the set of y coordinates of each point
Range = {-2, 0, 2}
Toss out any duplicate items that may occur in the range.
Answer:
The relation is a function.
The domains are 2, 1, 0, -1, -2.
The ranges are -2, 0, 2, 0, -2
How do you decide in what way to reorder the terms of expression when simplifying it
We use the PEMDAS to reorder the terms of expression when simplifying it.
What is an expression?One mathematical expression makes up a term. It might be a single variable (a letter), a single number (positive or negative), or a number of variables multiplied but never added or subtracted. Variables in certain words have a number in front of them. A coefficient is the number used before a phrase.
We use the PEMDAS to reorder the terms of expression when simplifying it.
The abbreviation PEMDAS is used to indicate the sequence of steps to be taken when resolving expressions with multiple operations. P is for "parentheses," E is for "exponents," M is for "multiplication," D is for division, A is for addition, and S is for subtraction.
Therefore, use PEMDAS to simplify any expression.
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Camelia misses 8 points on the first math test. She misses 5 points on the second math test. What integer represents the number of points Camelia misses on the first two test?
The length of a rectangle is (5x − 1) cm and the width is (11 − 2x) cm. If the perimeter of the rectangle is 44 centimeters, what is the area of the rectangle?
Answer:
57 cm²
Step-by-step explanation
l = length
w = width
p = perimeter
(5x - 1) = length
(11 - 2x) = width
44 = perimeter
Formula for the perimeter of a rectangle:
l + l + w + w
2l + 2w = p
Substitute the variables for the length and width with the values given to you by the problem, then solve.
2(5x - 1) + 2(11 - 2x) = 44
(10x - 2) + (22 - 4x) = 44 (Distributive property)
6x + 20 = 44
6x = 24
x = 4
Plug x = 4 back into the length and width.
Length = (5x - 1), (5(4) - 1), (19)
Width = (11 - 2x), (11 - 2(4)), (3)
Area for a rectangle: Length × Width = Area.
19 × 3 = 57 cm²
This is all in cm so answer with cm²
A school printed 315 tickets to the spring dance. There are 255 tickets left. Which equation can be used to find how many tickets have been sold?
You didn't add any options but here's one that would work.
315 - 255 = 60
When there is a problem asking how many are left, taken, sold, given, etc. You are usually dealing with subtraction.
Hope that helps and have a great day!
Answer:
The last choice (x+255=315 )
Step-by-step explanation:
This is because we know the total number of tickets is 315 and they have 255 left. So, x + 255 = 315. Because you subtracted __ from 315 to get 255. You can rewrite that as __ + 255 = 315 or x + 255 = 315