Answers
Related Questions
Which statement is true regarding the sides of a triangle
Answers
(-2,5), (-1,8), (0,6), (1,6), (2,7) is function or not a function help
Answers
express 42 minutes as a percentage of 5hours
Answers
Answer:
14%
Step-by-step explanation:
Derrick is able to type 90 words in 18 minutes. How many words is he able to type in 9 minutes
Answers
Answer:
45 words in 9 minutes
Step-by-step explanation:
90/18= 5 words per minutes
5*9= 45
Reason abstractly, Evaluate each expression: |13 - 6| = ____
Answers
Answer:
7
Step-by-step explanation:
13-6=7 the other line doesn't affect the answer because it isn't negative
Answer:
7
Step-by-step explanation:
»Solve inside the absolute value sign | |
|13 - 6| = |7|
The absolute value of 7 is just 7:
|7| = 7
Answer: 7
Which expression is equivalent i^233? On edge
Answers
Answer:
C
Step-by-step explanation:
Remember the four basic power of i:
[tex]\begin{aligned}i^1&=i\\i^2&=-1\\i^3&=-i\\i^4&=1\end{aligned}[/tex]
We have:
[tex]i^{233}[/tex]
The trick here is to split the exponent into a number divisible by 4 plus the remainder. Notice that:
[tex]233=232+1[/tex]
And that:
[tex]232/4=58[/tex]
So, we can rewrite our exponent as:
[tex]=i^{4\cdot 58+1[/tex]
Using the properties of exponents:
[tex]=(i^4)^{58}\cdot i^1[/tex]
Since i to the fourth is simply 1:
[tex]=(1)^{58}\cdot i^1[/tex]
Simplify:
[tex]=1\cdot i^1[/tex]
Simplify:
[tex]=i[/tex]
Hence, our answer is C.
You bought 5 chocolate bars and 8 blow pops for $23.25. Your sister bought 2 chocolate bars and 13 blow pops for $21.55. How much did each chocolate
bar cost? Each chocolate bar cost?
Answers
Answer:
Cost of each chocolate bar = $2.65
Cost of each blow pop = $1.25
Step-by-step explanation:
Let x = Cost of chocolate bar
y= Cost of blow pops
We can make system of equations and find value of x and y
You bought 5 chocolate bars and 8 blow pops for $23.25.[tex]5x+8y=23.25[/tex]
Your sister bought 2 chocolate bars and 13 blow pops for $21.55. [tex]2x+13y=21.55[/tex]
Let:
[tex]5x+8y=23.25--eq(1)\\2x+13y=--eq(2)[/tex]
Multiply eq(1) with 2 and eq(2) with 5 and subtract
[tex]10x+16y=46.5\\10x+65y=107.75\\- \ \ \ - \ \ \ \ \ \ - \\------\\-49y=-61.25\\y=\frac{-61.25}{-49} \\y=1.25[/tex]
So, value of y = 1.25
Putting value of y in eq(1) to find value of x
[tex]5x+8y=23.25\\5x+8(1.25)=23.25\\5x+10=23.25\\5x=23.25-10\\5x=13.25\\x=13.25/5\\x=2.65[/tex]
Value of x = 2.65
So, Cost of each chocolate bar = x = $2.65
Cost of each blow pop = y = $1.25
This one is for question #7
Answers
Answer:
B
Step-by-step explanation:
Answer:
b.) 350 = 0.25m + 300
Step-by-step explanation:
His earnings are a fixed amount, $300, and a variable amount that depends on the number of miles.
The variable amount depends on the number of miles he drives.
For 1 mile, he earns $0.25
For 2 miles, he earns $0.25 * 2
For m miles, he earns $0.25 * m
The total amount he earns is the fixed amount plus the variable amount
300 + 0.25m or 0.25m + 300
He earned $350, so we get the equation
350 = 0.25m + 300
Answer: b.) 350 = 0.25m + 300
Divide the polynomials.
if you dont know dont respond :)
Answers
Answer:
Step-by-step explanation:
This is a difference of squares.
√x^2 - √49 is the basic formula for factoring a difference of squares. The idea is that the middle term has been cancelled out.
√x^2 = x
√49 = 7
(x - 7)(x + 7) is the way this factors.
(x - 7)(x + 7)
===========
(x + 7)
The (x +7) in the numerator cancels with the (x + 7) in the denominator.
The answer is (x - 7)
====================================================
She might have wanted you to do it like this.
(x + 7) || x^2 + 0x - 49 || x - 7
x^2 + 7x ........... Subtract
==========
-7x - 49
-7x - 49 ...... Subtract.
=============
0
Or she might have seen you do this
x^2 - 49 x^2 49
======= = === - =====
x + 7 x 7
Every math teacher freaks when they see this. I hope I didn't put ideas in your head.
But if you got the answer by doing what I did, you got it right.
please help me and show the work I will mark brainliest
Answers
Answer:
Day 3/4
Step-by-step explanation:
2 *2 = 4. 4 * 4 = 16. 16 * 16 = 256. 256 *256 = 65,536
Hope this helps
Have a happy holidays:)
Evaluate the expression 3r^2 if r = 1/6.
Answers
Answer:
0.08333
Step-by-step explanation:
3(1/6)^2
1/6=0.1666
1/6^2=0.02777
3*0.02777=0.08333
Answer:
1/12
Step-by-step explanation:
This is the answer because:
1) 1/6^2 = 1/36
2) 1/36 x 3 = 3/36 = 1/12 ↔ 3 ÷ 3 = 1 & 36 ÷ 3 = 12 = 1/12
Therefore, the answer is 1/12.
Hope this helps! :D
in march, Arnold finds a guitar with a price of $650 that he wants to buy, but he only has $300 saved. In September, Arnold has 75% more money saved, and the guitar is on sale for a 30% discount off the original price. The sales tax is 5% of the sale price. Does Arnold have enough money to buy the guitar in September? justify your answer
Answers
Answer:
Yew, he has enough money to buy the guitar in september.
Step-by-step explanation:
300*0.75=225 300+225=525
650*0.35=195 650-195=455
sales tax: 455*0.05=22.75 455+22.75=477.75
Yes , Arnold have enough savings to buy the guitar
Savings amount of Arnold is $ 525 and the price of the guitar is $ 477.75
What is an Equation?
Equations are mathematical statements with two algebraic expressions flanking the equals (=) sign on either side.
It demonstrates the equality of the relationship between the expressions printed on the left and right sides.
Coefficients, variables, operators, constants, terms, expressions, and the equal to sign are some of the components of an equation. The "=" sign and terms on both sides must always be present when writing an equation.
Given data ,
Let the original price of the guitar be = $ 650
Let the initial savings of Arnold be = $ 300
Now , Arnold saved 75 % more than what he actually had
And , the equation will be
So , the new savings of Arnold is = 300 + ( 75/100 ) x 300
The new savings of Arnold is = 300 + ( 300 x 0.75 )
The new savings of Arnold is = 300 + 225
The new savings of Arnold is = $ 525
Now , the price of the guitar is discounted by = 30 %
And , the equation will be
So , the new price of the guitar after discount is = 650 - ( 30/100 ) x 650
The new price of the guitar after discount is = 650 - ( 650 x 0.30 )
The new price of the guitar after discount is = 650 - 195
The new price of the guitar after discount is = $ 455
Now , A sales tax of 5 % is priced on the guitar
And , the equation will be
So , the sale price of the guitar is = 455 + ( 5/100 ) x 455
The sale price of the guitar is = 455 + 22.75
The sale price of the guitar is = $ 477.75
Now , the new savings of Arnold is greater than the sale price of the guitar
$ 525 > $ 477.75
Therefore , Arnold have enough savings to buy the guitar
Hence , Yes , Arnold have enough savings to buy the guitar
Savings amount of Arnold is $ 525 and the price of the guitar is $ 477.75
To learn more about equations click :
https://brainly.com/question/10413253
#SPJ2
miles per
A person travels from New York to Washington at the rate of 45
hour and comes backs to the New York at the rate of
55 miles per hour. What is his average speed for the whole
journey?
A. 50 mi/hr
B. 60 mi/hr
C. 70 mi/hr
D. 80 mi/hr
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what Is 0.0000724 in standard form
Answers
Answer:
7.24 * 10^-5
Step-by-step explanation:
Mary has 2 1/3 yards of fabric.
She wants to cut the fabric into 1/6 yard strips.
Answers
Answer:
so what should we do it is incomplete answer
Step-by-step explanation:
42
Answer:
14
Step-by-step explanation:if she cut the pices into 1/6 pices she would have 14 of them so the answer is 14.
A circular oil slick is expanding at a rate of 3m/min. How fast is the area of the oil slick changing when the diameter is 48 meters?
Answers
Answer:
[tex] 48\pi \:m/min[/tex]
Step-by-step explanation:
Diameter = 48 m
Therefore radius r = 48/2 = 24 m
[tex]Area \: of \: circular \: oil \: slick \\ A = \pi {r}^{2} \\ differentiating \: w \: r \: to \: t \: on \: \\ both \: sides \\ \\ \frac{dA}{dt} = \frac{d}{dt} (\pi {r}^{2} )\\ \\ \frac{dA}{dt} =\pi \frac{d}{dt} {r}^{2} \\ \\ \frac{dA}{dt} =\pi \times 2{r}\\ \\ \frac{dA}{dt} =2\pi {r} \\ \\ \bigg(\frac{dA}{dt} \bigg)_{r=24} =2\pi \times {24} \\ \\ \bigg(\frac{dA}{dt} \bigg)_{r=24} =48\pi \: m \: per \: min[/tex]
Simplify the following.
-(3z)2
A. 6z
B. 9z2
C. -9z2
D. -6z2
E. 6z2
Answers
Answer:
-9x²
Step-by-Step explanation:
-(3x)²
In PEMDAS, we solve the exponent first then multiply.
-(3x)²
-(9x²)
-9x²
PLEASE ANSWER what is the solution to -10k +1 <-99 or 10-8k<42
Answers
Answer:
Ummmm... Both?
Step-by-step explanation:
66k+9 OR 3(22K+3)
Answer:
k>10
k>-4
Step-by-step explanation:
-10k<-100
k>10
you flip the sign when dividing by a negative
-8k<32
k>-4
A copier takes 4 minutes to duplicate 480 pages, Express the rate at which the copier duplicates, in
pages per second,
Answers
Answer:
2 pages per second
Step-by-step explanation:
4*60= 240
480/240=2
2 pages per second
(Pls help ASAP) brainliest
Answers
Answer:
#1
x=8.oo+2.00+4.00
?
HELP !!!!! What is the slope of the line that passes through (2, 12) and (4, 20)? (1 point)
A -2
B 2
C- -4
D 4
Answers
Answer: 4
Step-by-step explanation: you have to multiply
kapil bought 40 dolls for Rs.4800. He sold all the dolls at the rate of Rs. 700 per 5 dolls after somedays. How muchprift or loss did he gat in one doll,? Find ut
Answers
A boulder, initially at rest, falls off the top of an overhanging cliff during a storm. The cliff is 96 feet high. How long will it take to hit the road below? Round your answers to the nearest thousandth.
Dropped: h(t)=-16t^2+s
Answers
Answer:
1.94 seconds
Step-by-step explanation:
A number is 2 tens more than 923
Answers
Answer:
953..?
Step-by-step explanation:
help plz, I don't know how to find the answer
Answers
9514 1404 393
Answer:
25
Step-by-step explanation:
As always, you identify the possible relationships between the given values. Make use of those to find the unknown. Then use that value as required to answer the question(s) posed.
The triangle is isosceles, so AB = AC.
AB = AC
4x +1 = 2x +23
2x = 22 . . . . . . . . . subtract (2x+1)
x = 11
With this value of x, we can find BC.
BC = 3x -8
BC = 3×11 -8
BC = 25 . . . . units
(x - 2)^5 binomial expansion
Answers
x^5-10x^4+40x^3-80x^2+80x-32
Divide. Round to the nearest tenth
.16 divided by .03220
Answers
Answer
.16/.03220 is 4.96894409938 rounded= 5.0
Step-by-step explanation:
Help is this correct !!!??
Answers
Answer:
Yes
Step-by-step explanation:
Which set of measurements determines a unique triangle
A. 30°, 80°,100°
B. 20°, 70°, 90°
C. 15cm, 21cm, 30cm
D. 14ft, 17ft, 35ft
Answers
Martin is seating people in the cars of a roller coaster. Each car can seat 8 people. Six of the roller coaster cars are yellow and nine of the roller coaster cars are green. People will be randomly seated in the roller coaster cars. What is the probability that the first person will be seated in a yellow roller coaster car?
Answers
Answer:
The probability is 2/5
Step-by-step explanation:
Here, we want to calculate the probability that the first person will sit in a yellow roller coaster car
The number of cars to select from is 6 + 9 = 15 cars
The number of yellow cars is 6
So the probability that the first person selects a yellow roller coaster car to seat is 6/15 = 2/5
