Answer:
5.23 × 10 ^7
Step-by-step explanation:
Move the decimal so there is one non-zero digit to the left of the decimal point. The number of decimal places you move will be the exponent on the 10 If the decimal is being moved to the right, the exponent will be negative. If the decimal is being moved to the left, the exponent will be positive.
Riko wants to find the distance between the points (−2, −3) and (2, −5). His work is shown. StartAbsoluteValue negative 3 EndAbsoluteValue + StartAbsoluteValue negative 5 EndAbsoluteValue = 3 + 5 = 8. The distance is 8 units. Riko correct? Explain why or why not.
Answer:
Riko is wrong because she uses the wrong formula.
Step-by-step explanation:
Given the coordinate points (-2, -3) and (2, -5)
We are to find the distance between the two points
Using the formula:
D = √(x2-x1)²+(y2-y1)²
From the coordinates x1 = -2, y1 = -3, x2 = 2 and y2 = -5
Substitute
D = √(2-(-2))²+(-5-(-3))²
D= √(4)²+(-2)²
D = √16 + 4
D = √20
D = √4*√5
D = 2√5
This shows that Riko is wrong because she uses the wrong formula.
Answer:
No, Riko is not correct. The points do not have the same x-coordinates. If you connect the points, they do not form a horizontal or vertical line, so you cannot count spaces or use absolute value to find the distance.
Step-by-step explanation:
Match the equation with the graph.
→
Graph E
Graph F
Graph G
Graph H
Answer:
Graph E: Y= -1/3x +3
Grpah F: Y= 1/2x
Graph G: Y= x-3
Graph H: Y= -x
Step-by-step explanation:
Find the product.
(1.2) x (0.11)
Answer:
0.132
Step-by-step explanation:
1.2 * 0.11 = 0.132
Answer:
.132
Step-by-step explanation:
So take away the decimal on both for a second and then multiply then on the answer move the decimal over 3 times there is your answer
Bethany can mow her lamily's lawn in 4 hours. Her brother coin can mow the lawn into hoursWhich equation can ve
used to find the number of hours, x, it would take for Bethany and Colin to mow the lawn together?
Answer:
1/x = 1/4 + 1/3
Step-by-step explanation:
In 4 hours Bethany did the whole fraction 1 of the house.
In 1 hour he would do 1/4 of it.
In 3 hours Colin did the whole fraction 1 of the house.
In 1 hour he would do 1/3 of it.
In 1 hour they would both do (1/4 + 1/3)
If it takes both of them x hours to finish 1 whole fraction of the house.
In 1 hour they will both do 1/x
That means that:
1/x = 1/4 + 1/3
That is the equation. x can be solved for.
if 72 is 40% what is 100%?
Answer:
180
Step-by-step explanation:
If 40% = 72, 100% can be found like so:
40% = 72
100% = [tex]\frac{100}{1}[/tex] * [tex]\frac{72}{40}[/tex]
You can reduce 40 and 100 by 20 (or probably more, but I'll use 20)
So now we have:
[tex]\frac{50}{1}[/tex] * [tex]\frac{72}{20}[/tex] = [tex]\frac{3600}{20}[/tex]Divide, and you get 180.
To check, we can find 40% of 180.
(I looked it up)
Hope this helps!
Quantity of Notebooks Cost
5/$6.00
6/$5.82
7/$6.44
8/$6.80
9/$8.01
The table shows the cost for different quantities of notebooks offered online. Which is the BEST VALUE?
A) 5 notebooks
B) 6 notebooks
C) 7 notebooks
D) 8 notebooks
Answer: I think it might be A but then again I am only in 6th grade so, whatever!
Step-by-step explanation:
I need help fast thank you!!
Answer: hypotenuse is 37
Step-by-step explanation:
Answer:
37
Step-by-step explanation:
help
pls
its
due
tmr
pls
pls
ill give 50 points
Answer:
A
Step-by-step explanation:
might be wrong
Write an equation of the line that passes through (1, 2) and is parallel to the line y = -52 +4.
y
5x + 7
Answer:
gfgdf
Step-by-step explanation:
dfhdf
A salesperson earns $450 per week plus 15% of her weekly sales. The
expression representing her earnings is 450 +0.15x. Which of the following
describes the sales necessary for the salesperson to earn at least $600 in
one week?
Answer:
If a sales person wants to earn $600 in 1 week they have to make $1000 dollar sale or a bunch of sales that can make $1000
Step-by-step explanation:
Because $600 - $450 gives you $150, and $150 is 15% of her sales to if we were to divide $150 by 0.15 ( 15% in decimal for ) we would get $1000 meaning 15% of 1000 is 150.
Hope this helps :)
In a certain chemical, the ratio of zinc to copper is 4 to 19. A jar of the chemical contains of copper. How many grams of zinc does it contain?
Answer:
4 grams of zinc
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
solve for x it is a parallelogram
pls help
Answer:
x = 5
Step-by-step explanation:I hope that this answer will help youAnswer:
[tex]3x + 2 = 17 \\ 3x = 15 \\ \boxed{x = 5}[/tex]
5 is the right answer.can you. pls. solve for X?
Answer:
x = 173
Step-by-step explanation:
Answer:
-7
Step-by-step explanation:
90+30=120
180-120=60
x+67=60
x=-7
Dale buys candy that costs $8 per pound. He will buy at least 7 pounds of candy. What are the possible amounts he will spend
on candy?
Use c for the amount (in dollars) Dale will spend on candy,
Write your answer as an inequality solved for c.
Answer:
66
Step-by-step explanation:
-2x - 2y =-10 and 9x + 7y = 49
Answer:
I think it is 49
Step-by-step explanation:
Hope this helped have an amazing day/month/year!
You are trapped in a concrete room with no doors or escape methods of any kind. And a table and a mirror is all you have. How do you escape?
Answer:
Through the mirrror try breaking the mirror with the table, touch the mirror if u seen green people can see u through the other side but if it doesnt find a diff way.
Step-by-step explanation:
Paige has scored 12 soccer goals after playing 5 games. How many games will it take for her to score 72 soccer goals?
Answer:
30
Step-by-step explanation:
12 is one sixth of 72. Therefore, she will need to play 6 times the number of games in order to score 72 goals. 5x6=30, so that is the answer
Answer:
13 dollars
Step-by-step explanation:
Jack wants to lose some weight and is highly motivated to follow the orders of his doctor. His doctor has given him a goal that he is to decrease his weight by 2 3/8 pounds per week. If Jack weighs 250 pounds
when he starts the diet, how much will he weigh after five weeks on the
diet?
Answer:
The answer would be 11 7/8 pounds
Step-by-step explanation:
2 3/8 times 5 equals 11 7/8.
Hope I helped!! :)
Sorry if it's wrong! :(
Pls mark brainlist.
A watch was on sale for 70% off. The sale price is $60. What was the original price?
Answer:
78 dollars
Step-by-step explanation:
Each bag of rice costs $60, and you have $180 to spend on
rice. Write an inequality for the possible number of bags of rice
you could buy, then find the maximum number of bags you can
buy.
SER
Answer:
$180/$60 per bag = 3 bags maximum
Step-by-step explanation:
Not sure I understand the question.
180/60=3 maximum
I don't understand where an inequality fits in
please help me on this!
Answer:
9*572=5148
Step-by-step explanation:
Can someone help me please
Answer:
0.19 50% 15/20 9/10 95%
Step-by-step explanation:
I know
The library has 65400 art books and 9600 science books. What part of all the books are science books
Answer:
9,600/75,000, 16/125
Step-by-step explanation:
art+science=75000
9600
75000 =16/125
The part of all the books that are science books is 0.128 or 16/125.
Using this formula
Science books=Science books(Art books+Science books)
Where:
Science books=9600
Art books=65400
Let plug in the formula
Science books=9600/(65400+9600)
Science books=9600/75000
Science books=0.128 or 16/125
Inconclusion the part of all the books that are science books is 0.128 or 16/125.
Learn more about part of books that are science here:https://brainly.com/question/8513862
A $40,000 car depreciates in value about 18% per year for the life of the car. Determine the value of the car after 7,8, and 9 years. What is the rate of decay?
Answer:
Value after:
7 years = $9971.42
8 years = $8176.56
9 years = $6704.78
Rate of decay = 18%
Step-by-step explanation:
A $40,000 car depreciates in value about 18% per year for the life of the car.
Determine the value of the car after 7,8, and 9 years. What is the rate of decay?
The formula for Depreciation is
FV = PV( 1 - r)^t
Where
FV = Future value
PV = Present value = $40,000
r = Depreciation rate = 18% = 0.18
t = time in years
a) After 7 years
$40,000 (1 - 0.18)⁷
= $9971.4188227
= $9971.42
b) After 8 years
$40,000 (1 - 0.18)⁸
= $8176.5634346
= $8176.56
c) After 9 years
$40,000 (1 - 0.18)⁹
= $6704.7820164
≈ $6704.78
= $9971.42
The Rate of decay = 18%
Anyone know??? thank you
Answer: nope
Step-by-step explanation:
I really need help please!
Please answer 5 x (1/25)
Answer:
5/25 or simplified 1/5
Step-by-step explanation:
Answer:0.2
Step-by-step explanation:
-6 x -1 x -2 x -3
Which of the following is the correct answer
-36
-12
12
36
so say if its 4:30 pm now for me, what time will it be in 4 and a half hours? im lazy lolz
Answer:
9:00
Step-by-step explanation:
Someone please help me with this question
It would be in the order it is