Answer:
x=18 days
Step-by-step explanation:
since the student runs 2 1/2 miles everyday divide that into 45 miles and you get 18 therefore x=18
Five times the sum of the digits of a two-digit number is 13 less than the original number. If you reverse the digits in the two-digit number, four times the sum of its two digits is 21 less than the reversed two-digit number.
(Hint: You can use variables to represent the digits of a number. If a two-digit number has the digit x in tens place and y in one’s place, the number will be 10x + y. Reversing the order of the digits will change their place value and the reversed number will 10y + x.)
The difference of the original two-digit number and the number with reversed digits is........
.
Answer:
The difference of the original two-digit number and the number with reversed digits is 18.
Step-by-step explanation:
Since it's a two digit number, let x represent the tens digit and let y represent the units digit.
Thus, the original two digit number is;
10x + y.
The reverse two digit number is;
10y + x.
We are told that five times the sum of the digits of the two-digit number is 13 less than the original number.
Thus;
5(x + y) = (10x + y) - 13
Multiplying out the bracket gives;
5x + 5y = 10x + y - 13
Rearranging gives;
10x - 5x + y - 5y = 13
5x - 4y = 13 - - - - (3)
Also,we are told that, four times the sum of its two digits is 21 less than the reversed two-digit number. Thus;
4(x + y) = (10y + x) - 21 - - - (4)
Simplifying gives;
4x + 4y = 10y + x - 21
>> 10y - 4y - 4x + x = 21
>> 6y - 3x = 21 - - - (4)
Solving eq(3) and (4) simultaneously gives;
x = 5 and y = 3
Thus,
Original number = 53
Reversed number = 35
Difference between original and reversed number = 53 - 35 = 18
Solve the inequality |2x - 28] > 32
Answer:
X>30
Step-by-step explanation:
Well the brackets or parethesis or absolutvalue sign thingy doens’t ,matter. Out of all the signs that won’t do anything at all.
Solve it normally
add 28 on both sides
2x>60
60/2=30
x>30
Answer:
Answer should be...
2x - 28 > 32
ADD BY BOTH SIDES (NON-VARIABLES)
+ 28 + 28
2x > 60
DIVIDE BY VARIABLE NUMBER (2)
2x/2 > 60/2
x > 30
A watt is a unit of power, which measures energy used per unit time. A kilowatt hour means 1 kilowatt of electricity used continuously for 1 hr. The electric utility company in Laura's town charges $0.06001 for each
kilowatt hour used. Laura heats her house with three electric heaters that each use 1200 watts. How much does it cost to heat a house in one day? How many hours what a 75 watt lightbulb have to stay on to result in one dollar for electricity charges?
Answer:
It costs Laura $ 5,184.86 to heat her house one day.
A 75 watt lightbulb should be around 222 hours to consume a dollar in electricity.
Step-by-step explanation:
Given that a kilowatt hour means 1 kilowatt of electricity used continuously for 1 hr, and the electric utility company in Laura's town charges $ 0.06001 for each kilowatt hour used, and Laura heats her house with three electric heaters that each use 1200 watts, to determine how much does it cost to heat a house in one day and how many hours would a 75 watt lightbulb have to stay on to result in one dollar for electricity charges the following calculations must be performed:
(3 x 1200 x 24) x 0.06001 = X
(3600 x 24) x 0.06001 = X
86400 x 0.06001 = X
5,184.86 = X
Therefore, it costs Laura $ 5,184.86 to heat her house one day.
1 watt = 0.001 kilowatt
75 watt = 0.075 kilowatt
1 / 0.075 = 13.333
1 / 0.06001 = 16,663
13,333 x 16,663 = 222.18
Therefore, a 75 watt lightbulb should be around 222 hours to consume a dollar in electricity.
Hi, please help me with this math problem, I need to submit rly quick, thx.
Answer:
I think its B.
Step-by-step explanation:
Solve the equation 3 tan^2
x − 5 tan x − 2 = 0 for 0° ≤ x ≤ 180°
please explain
Pleaseee tell me if im right!! I already solved and my answer is 84 square units, but im not sure.. pleaseee help me
Answer:
84
Step-by-step explanation:
12*5=60
4*6=24
60+24=84
Answer:
nooo
Step-by-step explanation:
see longest side is 12 then 11 then 4 then 12 -4 =8 and last 5
answer 32
follow me
don't forget to mark my answer
and I will also follow you
I need help asap again pls help me io needd help plzzzzzzzzzzzzzz
Answer: isosceles
equilateral is all sides are the same
scalene is all sides dif
isosceles is at least two sides the same
(NO LINKS)
Please help this assignment is over due and I don't get it thxx ;)
Answer:
12.5
Step-by-step explanation:
6 x 12.5 = 75
75 / 6 = 12.5
12.5 is the answer.
Answer:
12.5
Step-by-step explanation:
PLEASE HURRY WILL MARK BRAINLEST
If the odds of being born on each day of
the week is equal, what is the probability
of two separate babies both being born
on a school day? (Monday through
Friday)
Answer:
1/25
Step-by-step explanation:
days in a week is 7
odds of being born on each 7 days is equal
x born = 7 days
pr(one separate baby) = 1 ÷ 5
pr(second separate baby) = 1 ÷ 5
pr(both being born on a school day) = 1/5 × 1/5
= 1/25
Do the values of the numbers increase or decrease as the numbers go from -2 to -8?
Answer:
The number decreases
Step-by-step explanation:
The number decreases because if it's on -2 the way it will increase will be on going forward with no negatives
Determine if the sequence An is convergent. If the sequence is convergent, state its limit. If the series diverges, mark the sequence as either Divergent or Divergent because the sequence is unbounded (or -) S13 18 23 28 33 8 5n An 5 8 11 14 17 2 3n Convergent sequence whose limit is O Divergent O Divergent because the sequence is unbounded (or - 00)
Answer:
The answer is "[tex]\frac{5}{3}[/tex]"
Step-by-step explanation:
[tex]A_n={\frac{13}{5},\frac{18}{8},\frac{23}{11},\frac{28}{14},\frac{33}{17},..................\frac{8+5n}{2+3n}}\\\\[/tex]
[tex]\to A_n=\frac{8+5n}{2+3n}\\\\\to \lim_{n \to \infty} A_n = \lim_{n \to \infty} \ \frac{8+5n}{2+3n}= \lim_{n \to \infty} \ \frac{\frac{8}{n}+5}{\frac{2}{n}+3}=\frac{0+5}{0+3}=\frac{5}{3}[/tex]
In this sequence An is convergents where limits are [tex]\frac{5}{3}[/tex].
What is the value of b?
Answer:
105°
Step-by-step explanation:
since its a straight line then put it equal to 180. First we add and then subtract from 180, like this.
52+23=75
180-75=105
How do -1 3/4 and 1 1/4 compare? Chose a symbol to make the statement true?
Answer:
the answer is <
Step-by-step explanation:
Help please will mark brainliest!!
Answer:
p=12 is the answer for the question
Find the volume of a rectangular prism with a base that has an area of 22 square cm and a height of 8 cm. formula V=LxWxH
Answer:
176 cu. cm
Step-by-step explanation:
Vol. of prism = Bh where B is the area of the base and h is the height
V = 22(8) = 176 cu. cm
(6x-5)+(-7x+2)
and
(6x-5)-(-7x+2)
Need work
Answer:(6x-5)+(-7x+2)
1 Remove parentheses.
6x-5-7x+2
2 Collect like terms.
(6x-7x)+(-5+2)
3 Simplify.
-x-3
_____________________________
1 Remove parentheses.
6x-5+7x-2
6x−5+7x−2
2 Collect like terms.
(6x+7x)+(-5-2)
3 Simplify.
13x-7
Hope this helps
-Tobie the dog <3
6x - 5 + (-7x + 2) = ...
= 6x - 5 - 7x + 2
= (6x - 7x) + (-5 - 2)
= -x - 7
[tex]\:[/tex]
B)6x - 5 - (-7x + 2) = ...
= 6x - 5 + 7x + 2
= (6x + 7x) + (-5 + 2)
= 13x - 3
Box Plot for Problem #12
PLS ANSWER ILL GIVE BRAILIEST IF RIGHT
Answer:
Its upside down. Cant see what it says
Step-by-step explanation:
Explain what the vertical line test is and how it is used.
What is the range of the given function?
{(–2, 0), (–4, –3), (2, –9), (0, 5), (–5, 7)}
{x | x = –5, –4, –2, 0, 2}
{y | y = –9, –3, 0, 5, 7}
{x | x = –9, –5, –4, –3, –2, 0, 2, 5, 7}
{y | y = –9, –5, –4, –3, –2, 0, 2, 5, 7}
✧ [tex] \underline{ \underline{ \pink{\large{ \tt{E \: X \: P \: L\: A \: N \: A \: T \: I \: O \: N}}}}}: [/tex]
Part 1 :
☃ [tex] \underline{ \large{ \sf{Vertical \: Line \: Test}}} : [/tex] ⇾ All the relations are not functions. We can determine ( identify ) whether a relation is function or not by drawing a vertical line intersecting the graph of the relation. This is called the vertical line test.
If the vertical line intersects the graph of a relation at one point , the relation is a function.If it cuts at more than one point , it is not a function. It means that if there are more points of the graph of a relation of a vertical line , same first component ( pre - image ) has more images ( second component ) which is not the function by definition.( See the attached picture )
In the picture ' 1 ' , The vertical line ( dotted line ) cuts the graph at one point ( P ). Thus the graph represents a function.In the picture ' 2 ' , The vertical line ( dotted line ) cuts the graph at two points P & Q. So, the graph does not represent a function.Part 2 :
☂ The set of all the images of the elements of domain under the function ' f ' is called the range of a function. In other words , the set of second components of a function is called range. We are given the function :
{(–2, 0), (–4, –3), (2, –9), (0, 5), (–5, 7)}The above numbers [ in bold ] are the range of given function. Now, If we arrange these numbers in ascending order, we get ( -9 , -3 , 0 , 5 , 7 ).
Hence , Choice B [ {y | y = –9, –3, 0, 5, 7} ] is correct.
♕ Hope I helped! ♡
☄ Have a wonderful day / night ! ☼
✎ [tex] \underbrace{ \overbrace{ \mathfrak{Carry \: On \: Learning}}}[/tex] ☥
▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁
Sample Response:
The vertical line test is a way to determine if a relation is a function. This test determines if one input has exactly one output on the graph. If any vertical line passes through more than one point on the graph, then the relation is not a function because two different outputs have the same input.
Please help answer my question i dont know how to solve it.
Find the slope of the line that passes through
(8,3) and (3, 4)?
If a wheel has a diameter of
35 inches, what is the area of
the wheel to the nearest foot?
Answer:
961.625 ≈ 962
Step-by-step explanation:
(A WHEEL IS A CIRCLE!)
To find the area of a circle, you must multiply the radius by itself twice, then, multiply the product by pi (radius x radius x pi).
Here, only the diameter is shown.
To find the radius, we must divide the diameter by 2.
35 / 2 = 17.5
17.5 is the radius.
17.5 x 17.5 = 306.25.
**3.14 is commonly used for pi**
Lastly, we multiply the product by pi.
306.25 x 3.14 = 961.625
961.625 rounded to the nearest foot is 962.
Therefore, the area of the wheel is 962 feet.
please answer this question, this is based in circumference, radius and diameter
Answer:
If the radius of the circle is 7cm . Its area is 154cm square.
-x + 48 = 17 what os the value of x
Answer:
x=31
Step-by-step explanation:
we need to isolate x so we put 48 t the other side to make -x=17-48
we do 17-48 =-31 so -x=-31
x=31
Help plssss!!! I would really appreciate it!
Answer:
The table represents a linear function.
Step-by-step explanation:
Graphed, the points go in a straight line, and you are able to draw a line through it. The equation for the line is y = 4x + 4.
Help me for a brianly
the answer is 11.3
because the circumstance formula of circle is ,
[tex]\pi \: d[/tex]
HEEEEEEEEEEEEEELLLLLLLLLLLLLLLLLLPPPPPPPPPPPPPPPPPP MEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE PLLLLLLLLLLLLLLLLEEEEEEEEEEEEEAAAAAAAAAAAAASSSSSSSSSSSSSSSSEEEEEEEEEEEEEEE
Answer:
x = 12
Step-by-step explanation:
m<BCF and m<CFE are same-side interior angles.
Same-side interior angles are supplementary. This implies that:
m<CFE + m<BCF = 180°
where,
m<CFE = 11x°
m<BCF = 4x°
Plug in the values
11x + 4x = 180
15x = 180
x = 180/15
x = 12
the area of the following triangle is...?
Answer:
A) 24
Step-by-step explanation:
Area of a triangle formula:
A = 0.5bh
Given:
b = 12
h = 4
Work:
A = 0.5bh
A = 0.5(12)(4)
A = 6(4)
A = 24
The sum of 3 consecutive even numbers is 78.
What is the second number in this sequence?
Answer: 10
Step-by-step explanation: 8+10+60=78
what is equivalent to 100+20
Answer:
hi
Step-by-step explanation:
100+20 is equal to 120
have a nice day
Answer:
I think what you are looking for is 120