Which inverse operation is used to solve -15.75=2.5x
Answer:
addition
Step-by-step explanation:
The amount A and B get is in the ratio 5:6. The
amount B and C get is in the ratio 4:9. The
difference between A and C is £51. How much
do they each get?
Answer:
A-> 30
B->36
C->81
Step-by-step explanation:
A:B:C
5x4 : 6x4
4x6 : 9x6
new ratio
A : B : C
20 : 24
24 : 54
54-20=34
34u->51
1u->1.50
A-> 20u ->1.50 x 20 = 30
B->24u -> 1.50 x 24 = 36
C-> 54u ->1.50 x 54 = 81
This block of ice needs to be wrapped in a special reflective material to keep it from melting before the ice carving competition begins. How much reflective material is needed to cover the block completely, with any overlaps?
Question 5 options:
3.1 m2
1.144 m2
3.67 m2
6.7 m2
A school for learning foreign languages has 72 students who learn German, and 54 of those students also learn Russian. There are 12 students who do not learn German but learn Russian, and 10 students do not learn either German or Russian. Which table best shows the conditional relative frequency of rows for the data?
Answer:
D.
Step-by-step explanation:
There are 54 German & Russian, 12 Russian, 18 German and 10 Neither.
I hope this helps <3
Answer:
The first chart
Step-by-step explanation:
The first chart is the only one which makes sense. The others, when adding the decimals, go over one.
One year, the population of a city was 354,000. Several years later it was 407,100. Find the percent increase.
Answer:
15%
Step-by-step explanation:
GIven data
Initial population= 354,000
Final population=407,100
%Error= Final- Initial/initia*100
%Error= 407,100- 354,000/ 354,000*100
%Error= 53100/ 354,000*100
%Error=0.15*100
%Error=15%
Hence the error is 15%
Two right triangles are similar. The legs of the smaller triangle have lengths of 15 and 20. The scale factor is 1:2. Find the length of the hypotenuse of the larger triangle.
Answer:
If the scale factor of corresponding sides is 1:2 then the hypotenuse if 50 units.
Step-by-step explanation:
The length of the hypotenuse of the larger triangle is 50 units.
What is the scale factor ?Scale factor is a mathematical term, which we use to scale 2-dimensional and 3-dimensional shapes.
For example, Two spheres look similar but could have different radii.
Let's denote the length of the hypotenuse of the smaller triangle as c, and the length of the hypotenuse of the larger triangle as C. Then we can write:
C/c = 2/1
Multiplying both sides by c, we get:
C = 2c
We can use the Pythagorean theorem to find the length of the hypotenuse c of the smaller triangle:
c² = 15² + 20²
c² = 225 + 400
c² = 625
c = 25
Substituting c = 25 in the equation above, we get:
C = 2(25)
C = 50
Therefore, the length of the hypotenuse of the larger triangle is 50 units.
To know more about Scale factor check:
https://brainly.com/question/30215119
#SPJ3
Help taking timed test which ones all apply to problem
Answer:
n = -1
n = 8
Step-by-step explanation:
3n^2=21n+24
0=-3n^2+21n+24
0=-3(n^2-7n-8)
0=-3(n+1)(n-8)
0=n+1
n=-1
0=n-8
n=8
Answer:
N = 8 n N = -1
just substitute the values of n in the equation
GOOD LUCK FOR THE FUTURE! :)
What is 8,000,000 + 100,000 + 7,000 + 400 + 20 + 4 in standard form?
Answer:
8,107,424
Step-by-step explanation:
We have an expanded form of a number and are asked to convert it into standard form.
We always have to look at the place value when it comes to expanded form.
So follow the place values :
Million , Hundred Thousand, Ten Thousand, Thousand, Hundred, Tens, Ones.
1,000,000, 100,000, 10,000, 1,000, 100, 10, 1
Look at the values given and replace it
8,000,000, 100,000, 0, 7,000, 400, 20, 4
Now add them all :
8,107,424
HELP! DUE SOON!
Vivian needs to ride her bike to her friend’s house 96 miles away. She is riding at an average speed of 15 miles per hour. She has 6 hours to get there. Will she make it?
Answer:
No.
Step-by-step explanation:
If she is riding 15 miles per hour (the rate), and she has six hours (the time), then in order to find out the distance, we multiply the rate*the time.
15*6 = 90
90<96
So, no, she will not make it.
7 cost? 5 cost $7.50
Answer:
10.5
Step-by-step explanation:
7.5/5=1.5
1.5x7=10.5
Answer:10.5
Step-by-step explanation
7.50 divided by 5 = 1.5
1.5 times 7 = 10.5
PLEASE HELP FAST 50 POINTS!!
Which relationships describe angles 1 and 2?
A line goes left to right with a ray in the middle creating a right angle and another ray between the right angle with a one labeling the left angle and a two labeling the right angle
Select each correct answer.
supplementary angles
vertical angles
complementary angles
adjacent angles
Answer:
edit: adjacent angles
Step-by-step explanation:
hope this helps
What is the density of an object with a mass of 30g and a volume of 10mL
Answer:
3 grams/cubic centimeter
Step-by-step explanation:
Density formula is mass divided by volume
30/10=3
3 grams/cubic centimeter
PLZ HELP! I'M ON A TIME CRUNCH!
Diego scored 9 points less than Andre in the basketball game. Noah scored twice as many points as Diego. If Noah scored 10 pints, how many points did Andre score?
Answer:
Let andre score be x points.
then Diego's score will be (x-9) points.
Noah's points=2(x-9) points
the equation is 2(x-9) = 10
dividing both sides by 2,
2(x-9)/2 =. 10/2
x-9= 5
adding 9 both sides,
x-9+9= 5+9
x=14.
Step-by-step explanation:
Answer:
Andre score 14 points
Step-by-step explanation:
noah = 2*diego
diego = andre - 9
given noah = 10
noah = 2*Diego
10 = 2*Diego
Diego = 5
diego = andre - 9
5 = andre - 9
andre = 9 + 5
Andre = 14
Can someone help me with this paper?
Answer:
I'm bored ...............
I NEED HELP ASAPPPP
4. Simplify the radical 27. Give the exact answer in simplified radical form. (use the factor tree)
Answer
5.simplify the radical 1800. Give the exact answer in simplified radical form. Use factor tree
Answer:
4) [tex]3\sqrt{3}[/tex] 5) [tex]10\sqrt{18}[/tex]
Step-by-step explanation:
[tex]27[/tex] can be broken down into [tex]3[/tex] and [tex]9[/tex]
[tex]\sqrt{27}=[/tex][tex]\sqrt{9}[/tex] × [tex]\sqrt{3}[/tex]
However, [tex]\sqrt{9} =3[/tex], so its really just:
[tex]3\sqrt{3}[/tex]
[tex]1800[/tex] can be broken down into [tex]100[/tex] and [tex]18[/tex]
[tex]\sqrt{1800} =[/tex][tex]\sqrt{100}[/tex] × [tex]\sqrt{18}[/tex]
However, [tex]\sqrt{100} =10[/tex], so it is really:
[tex]10\sqrt{18}[/tex]
plz mark me brainliest. :)
help ASAP ?!?? I’m struggling.
Answer:
B.
Step-by-step explanation:
C=3.14D
Circumference is equal to pi multiplied by the diameter, so 50 times 3.14 is equal to 157. 157 is closest to 160.
Answer:
B
Step-by-step explanation:
the actual circumference is 157.08 but it asks you to pick the closest one, which is 160. hope this helps!
100 POINTS PLEASE HELP ASAP!!!!!!!!!!!
Answer:
its the first one
Step-by-step explanation:
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⣿⣿⣿⣿⠟⠩⠶⣾⣿⡿⢯⣍⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿
⣿⣿⣿⠏⠀⠀⠈⠉⠀⣠⢤⠈⠋⠀⢠⣄⠉⢻⣿⣿⣿⣿⠃⠈⢿⣿⣿⣿⣿⣿
⣿⡟⠁⠀⠀⠀⣹⣦⣀⣙⣈⣀⢶⣤⣈⣁⣠⣾⣿⣿⣿⡿⠀⠀⠼⢿⣿⣿⣿⣿
⡏⠀⠀⠠⣤⠦⣭⣙⣛⠛⠋⠁⠀⠙⠛⢉⣻⣿⣿⣿⠋⠁⠀⠀⠀⠀⠀⠀⠈⣿
⡇⠀⠀⠀⠛⠮⣽⣒⣻⣭⢽⣿⣿⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿
⡇⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠉⠉⠉⠉⣼⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿
⡟⠳⢤⣤⣀⣀⣀⠀⠀⠀⣀⣀⣤⣴⣾⣿⣿⣿⣿⣿⣷⣦⣤⣤⣤⣤⣤⣴⣾⣿
⣇⠀⠀⠀⠀⠉⠉⠈⠁⠈⠉⠉⡙⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿
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⢠⣶⠿⠿⣷⡄⠈⣠⣶⠿⢿⣶⡄⠉⣡⣶⠿⠿⣶⡄⠄⣿⡇⢀⣾⡿⠃
⣿⣏⠄⠄⠄⠄⢰⣿⡇⢀⠄⣿⣿⠄⣿⡏⠄⠄⠄⠄⠄⣿⣿⣿⣿⡀
⠹⣿⣄⣠⣶⡆⠄⢿⣷⣀⣠⣿⡟⠄⢻⣷⣄⣠⣶⠆⠄⣿⡏⠈⢿
yall like that ;)?
One week, seventy-two percent of the animals that came to a veterinary hospital were dogs. If there were 125 dogs that came in, how many total animals were seen?
Answer:
There is a total of 174 animals
Step-by-step explanation:
I tried my hardest but I'm very small brain
I need help like actual help
Answer:
look at the explanation
Step-by-step explanation:
hey hey. i’ll help you. sorry if this is long. :)
okay so let’s think about this. there’s a lot of extra information that we don’t need so let’s get rid of everything up to ”7 years”.
now.. she works 40 hours per week right? and she makes $2.13 per hour. so now that we have that, let’s think what 40 x $2.13 is. if you do the math right you should get 85.2 or $85.20. so that’s in one week, but then in a typical week sheserves 75 tables that have an average bill of $4q. so now that we have those numbers, we take 41 x 75 then add it to our weekly number. so we multiply the two together and we get 3075. not 30.75 but $3075.00! so take that and add it to 85.20.. you should get 3160.2, or $3160.20. but then typically an 18% tip, so let’s go back to the number before (41) and find what 18% of 41 is.
18% of 41 is 7.38 or in this case, $7.38. so once we have that, you’re gonna want to multiply 7.38 by 75 to get that total. if you do that you should get 553.5
okay.. now we have all the numbers we need. we’re already basically done, we just need to add the tips to the other total!
$3160.20 + $553.50 = $3713.70
so in a week, she makes $3713.70
i hope this helped you! good luck!
Answer:
Answer vary :
$85.20
Step-by-step explanation:
i did it on the question thing comments. And I’m super positive it’s right.
13 + 5x - 4y - 8
.
I need to simplify the expression
Answer:
5+5x-4y
Step-by-step explanation:
Donald's Earnings, x (dollars) Fallons Earnings, y 38 45 43 50 48 55 53 60 58 65 Which equation best represents Fallon's earnings in terms of Donald's earnings? A. y=x+7 B. X=7y C. y=7x D. x=y+7
Given:
The table of values for Fallon's earnings in terms of Donald's earnings.
To find:
The equation that best represents Fallon's earnings in terms of Donald's earnings.
Solution:
In the given table the x-values are increasing by 5 units and y values increasing by 5 units. It means the rate of change of y with respect to x is constant and the table represents a linear function.
If the graph of a linear function passes through two points, then the equation of linear function is
[tex]y-y_1=\dfrac{y_2-y_1}{x_2-x_1}(x-x_1)[/tex]
Consider any two points from the table. Let the two points are (38,45) and (43, 50). Then, the equation is
[tex]y-45=\dfrac{50-45}{43-38}(x-38)[/tex]
[tex]y-45=\dfrac{5}{5}(x-38)[/tex]
[tex]y-45=1(x-38)[/tex]
[tex]y-45=x-38[/tex]
Adding 45 on both sides, we get
[tex]y=x-38+45[/tex]
[tex]y=x+7[/tex]
Therefore, the correct option is A.
Fill in the blank: Set up a ratio using _________. To get the right answers, you cannot skip this step
Triangle XYZ is similar to triangle fgh solve for n
Answer:
Step-by-step explanation: the answer is 18
How do you prove that BC is bisecting angle ABA
Answer:
go to khan academy and u can find a vid. answer there!
Step-by-step explanation:
Jeremy makes a drawing of a walkway shaped like three rectangles. The total area of the walkway is 24 square meters. What is the area of the smallest rectangle in the walkway?
Answer:
Step-by-step explanation:
Answer:
21
Step-by-step explanation:
have a nice dayyy!! thx for points
Write down the term-to-term rule and the next two terms of this sequence.
2. 6. 10. 14.
Plz tell step by step
Haydn makes $10 for every 2 glasses of lemonade he sales. Which graph Models a relationship with the same unit rate?
Answer: 20
Step-by-step explanation:
multiply 10 times 2 and get an answer of 20
Answer: 20
Step-by-step explanation:
OMG PLEASE HELP YOU WILL BE MY SAVIOR
Answer:
1)A
2)C
3)b
4)D
Step-by-step explanation:
Your welcomeee
Answer:
1. a
2. c
3. a
4. b
Step-by-step explanation:
1. Factor 15x + 35 using the GCF
The GCF (Greatest common factor) between these two numbers is 5. In other words, both 15x and 35 can be divided by 5. So if you divide both by 5 and then multiply it by 5, you will get 5(3x + 7), or "a".
2. Which expression is equivalent to -5(x + 10)?
Multiply the x and 10 by -5. You will get -5x - 50, or "c"
3. Subtract (8x + 6) - (x + 4)
Multiply the second parentheses by -1 (because there is a subtraction sign in front of it. This is the same as + (-1)), and then open the parentheses.
8x + 6 - x - 4
7x + 2, or "a"
4. Add (11x + 2) + (9x - 4)
Open the parentheses
11x + 2 + 9x -4
20x -2, or "b"
Hope this helps! Feel free to ask any questions! :)
Ill give brainliest to the best answer!
Answer:
The answer are
A=3
B=1
C=4
D=2
If 20 quarts of 15% garlic is mixed with 45 quarts 80% garlic, what percent garlic is the new mixture?
Answer:
60%
Step-by-step explanation:
If 20 quarts of 15% garlic is mixed with 45 quarts 80% garlic, what percent garlic is the new mixture?
Let us represent:
15% garlic = x
80% garlic = y
Total quarts of the new mixture =
20 + 45 = 65 quarts
Hence:
15% × 20 + 80% × 45 quarts = 65quarts(x%)
3 + 36 = 65 × x%
39 = 65 × x%
x % = 39/65
x% = 0.6
Converting to decimal
= 0.6 × 100
= 60%
The Percent of the new garlic mixture = 60%