Answer:
-8
Step-by-step explanation:
10(-2)^2 / -5
10(4) / -5
40 / -5
-8
Answer:
-80
Step-by-step explanation:
(10y^2)/z
(10*-2)^2 /-5
(-20)^2 /-5
400/-5
-80
What is this??? [tex]\frac{7}{15}[/tex] minus [tex]\frac{8}{9}[/tex]
Answer:
-19/45
Step-by-step explanation:
7/15 - 8/9
= 21/45 - 40/45
= -19/45
The width of the fountain in Luke's drawing from the example is 2 cm. What is the width of the fountain in Isabella's scale drawing?
Answer:
2.5cm
Step-by-step explanation:
If Luke's scale for his drawing is 5m to 2cm, then it means that every 2cm on Luke's scale drawing represents 5m in real life. So since the width of the fountain is 2cm, the actual fountain width must be 5m. As established in the example, Isabella's scale factor from drawing to real life is 6/3=2, which means any measurement in cm on her drawing can simply be multiplied by 2 to obtain the real life measurement in m. So, to convert back the other way, from real-life to drawing, we just need to divide the value by 2 instead of multiply. So, if the real life value is 5m, then the width on her scale drawing should be 5/2 = 2.5cm.
Hope this helped!
Using proportions, it is found that:
The width of the fountain in Isabella's scale drawing is of 1.6 cm.
-----------------------------------
This question is solved by proportions, using a rule of three.
Isabella's scale is of 6m to 3cm, that is, 2m to 1cm.Luke' scale is of 5 m to 2 cm, that is, 2.5m to 1 cm.From this, it can be taken that a drawing of 250cm in Luke's scale is of 200 cm in Isabella's scale.What is the width of Isabella's drawing, considering that Luke's width is 2 cm?200 cm - 250 cm
x cm - 2 cm
Applying cross multiplication:
[tex]250x = 400[/tex]
[tex]x = \frac{400}{250}[/tex]
[tex]x = 1.6[/tex]
The width of the fountain in Isabella's scale drawing is of 1.6 cm.
A similar problem is given at https://brainly.com/question/23536327
Determine the constant of proportionality, k, and interpret it in the context of each problem. 2) The graph shows the relationship between the number of euros Jason received and the number of dollars Jason exchanged during his trip to Spain. *
The constant of proportionality Or the value of Euros is 3/2 times of the value of a dollar.
What are ratio and proportion?A ratio is a comparison between two similar quantities in simplest form.
Proportions are of two types one is the direct proportion in which if one quantity is increased by a constant k the other quantity will also be increased by the same constant k and vice versa.
In the case of inverse proportion if one quantity is increased by a constant k the quantity will decrease by the same constant k and vice versa.
To obtain the constant of proportionality we'll need to determine at least two coordinate points from the graph they are, (1, 3/2) and (2, 3).
Let, no. of dollars be 'x' and no. of euros be 'y'.
So, y = kx.
3/2 = k.
Another way is (3 - 3/2)/(2 - 1).
= (3/2)/1
= 3/2.
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Find the missing number of the unit rate.
6/2 = ?/1
Answer:
3/1
Step-by-step explanation:
6/2
2 + 2 = 4 + 2 = 6
LWQJD89y3284723923189f9m
Answer:
3/1
Step-by-step explanation:
The first step is to line the numbers up side by side:
6 =
2 = 1
SInce we know that 2 divided by 2 = 1, we divide 6 by 2, which gets us 3.
6 ÷ 2 = 3
2 ÷ 2 = 1
Remember, you must divide the numerator and the denominator by the same number.
Your answer is 3.
HELP PLS :C!!
The Rock Zoo nurses 37 species of big cats. Recently, a few species of big cats were sponsored to other zoos around the country. The zoo now nurses only 25 species.
what is the answer?
Answer:
so originally there was 37 now there is 25 so if you trying to find out how many left you take 37-25=12 and 12 is how many left that zoo. hope this helps
i would appreciate the brainliest
ive got you all a challenge solve it
Answer:
γ = [tex]\lim_{n \to \infty}\sum_{k=1}^n (\frac{1}{k}-ln(n) )[/tex]
or
γ = -∞
Step-by-step explanation:
Let's solve what's inside the limit first.
We see that we need to take the sum of the entire thing. Since it is multivariable and we are given 1 variable, it stays the same.
Now we move on to the limit.
We replace n in the summative with infinity.
The natural log of infinity is infinity.
1 minus infinity would be negative infinity.
The sum of negative infinity of k = 1 is negative infinity.
So the limit as n approaches infinity would be negative infinity.
If we were to simplify this mathematically, it would just be the same equation.
help me if u can and thank you :)
Answer:
320km = 12L
296 km = xL
x = (296 × 12)/320
x = 11.1 liters
The distance light travels in one year is known as a light-year. A light-year is equal to 5.87 × 1012 miles. The closest Earth ever gets to Jupiter is 3.65 × 108 miles. What is a correct representation of the number of years it will take light to travel from Earth to Jupiter at this distance? Check all that apply.
Answer:
The answer is A and C
Step-by-step explanation:
The required distance is 6.21 × 10⁻⁵ light-years it will take light to travel from Earth to Jupiter at this distance. which is the correct answer would be an option (C)
What is the distance?Distance is defined as the product of speed and time.
What are Arithmetic operations?Arithmetic operations can also be specified by subtracting, dividing, and multiplying built-in functions. The operator that performs the arithmetic operation is called the arithmetic operator.
We have been given that the distance light travels in one year is known as a light year.
one light-year = 5.87 × 10¹² miles.
A light year is the length of time it takes light to travel one distance.
Since the closest that Earth ever gets to Jupiter is 3.65 × 10⁸ miles.
So 3.65 × 10⁸ miles = 1/(5.87 × 10¹² )×(3.65 × 10⁸) light years
⇒ 6.21 × 10⁻⁵ light years
Therefore, the required distance is 6.21 × 10⁻⁵ light-years it will take light to travel from Earth to Jupiter at this distance.
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9 divided by 4/5
a
10 and 1/4
b
11 and 4/7
c
12 and 4/7
d
11 and 1/4
A hot air balloon rose from ground level to 1000 feet in order to pass over a mountain. The balloon then descended
800 feet to a cruising height.
Which point is a representation of cruising height in feet?
Point A
Point B
Point C
Point D
200ft.
Step-by-step explanation:
It's 200ft because you just do 1000 - 800 = 200ft
Point C represent the cruising height.
What is number line?when we represent the numbers on a line the numbers can be positive negative or any type are done on number line zero is the center of the number line.
Given that air balloon height is 1000 feet from ground
and descended to 800 feet
present height of air balloon is 1000 - 800 = 200 feet
Hence according to no. line in figure 200 feet lie in point C
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Sara and Sam are each working on a science project in which they need to research the individual masses of the nine planets (including the dwarf planet Pluto as the ninth planet). Sara completes her data for the planets' masses in kilograms while Sam's data is in milligrams.
Sara:
Planet Mass (in kilograms)
Jupiter 1.989 · 10(27)
Saturn 5.685 · 10(26)
Neptune 1.024 · 10(26)
Uranus 8.681 · 10(25)
Earth 5.974 · 10(24)
Venus 4.869 · 10(24)
Mars 6.419 · 10(23)
Mercury 3.302 · 10(23)
Pluto 1.31 · 10(22)
Sam:
Planet Mass (in milligrams)
Jupiter 1.989 · 10(33)
Saturn 5.685 · 10(32)
Neptune 1.024 · 10(32)
Uranus 8.681 · 10(31)
Earth 5.974 · 10(30)
Venus 4.869 · 10(30)
Mars 6.419 · 10(29)
Mercury 3.302 · 10(29)
Pluto 1.31 · 10(28)
Approximate how many times greater Saturn's mass is than Mercury's.
200,000
2,000,000
2,000
20,000
i put exponents in parenthesis
Graph the function y = 4x4 – 8x2 + 4. Which lists all of the turning points of the graph? (0, 4) (–1, 0) and (1, 0) (–1, 0), (0, 4), and (1, 0) (–4, 0), (–1, 0), (0, 4), and (1, 0)
help please
Answer:
Step-by-step explanation:
First we should solve this equation given for 'y'
y=4*4-8*2+4
y=16-16+4
y=4
Now we have value of 'y' we can fnd which points have y coordinate with value of 'y'.i.e., 4
(0,4) (-1,0) will be the answer
What is the value of the 7 in 0.873?
(answer needs to be a fraction)
Answer:
7/100
Step-by-step explanation:
0.873
7 is in the hundredths place.
The value of 7 in the given number is 0.07, or [tex]\frac{7}{100}[/tex].
Hope this helps.
Answer:
7 is once place because and o.873 /7
Step-by-step explanation:
8^10 ÷ 8^5 = 8^2 True or false
Answer:
False
Step-by-step explanation:
[tex]8^1^0 = 1073741824\\8^5=32768\\\\8^2 = 64[/tex]
A thunderstorm cloud holds about 6,200,000,000 raindrops. Which of the following shows this number in scientific notation? Answers- F- 0.62*10 to the 10th power G- 6.2*10 to the 9th power H- 6.2*10 to the 8th power J-62.0*10 to the 8th power
Answer:
the answer is G
which is 6.2*10 to the 9th power.
Step-by-step explanation:
In scientific notation you must leave one digit to the place value of ones
so that one digit is 6
So ue come up with 6.2 when ue eliminate all other zeros and end the decimal point between 6 and 2 and that way you have 6.2*10 to the 9th power
Answer:
G, 6.2*10 to the 9th power.
Step-by-step explanation:
Need help asssappp!!!
Answer:
I think maybe E. I never really solved a question like this before but to find the mean you add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
Step-by-step explanation:
PLZ HELPPP 8th grade. there's a attachment. the choices are, Which piece of information does not represent the same information as the other three parts? word problem equation graph table
Answer:
table
Step-by-step explanation:
it is the only one where y is not the cost instead it is the # of tickets
What is 367=2389+3717+21831737 also, 29s=29a=938129= ?
Answer:
1. 21837843
2. 28s792215
Step-by-step explanation:
hope this help
ILL GIVE BRAINLIEST!! PLEASE EXPLAIN!
I don't understand how an equation will help me get the slope of f(x).
I need an explanation of how an equation(I mean like y = mx + b or something like that) would give me the slope! Please explain how!!
Answer:
You can see the line
Step-by-step explanation:
I know this isn't a good eplanation, but when you graph rise over run on the graph, you can see the line without even drawing it, then you get the slope, via the line, sorry I can't explain better.
Help on this ASAp and TY
Find 2/3 of 3/4 of 24
Answer:
the answer is 12 which is a whole number
Step-by-step explanation:
i just multiplied them into my phone calculator and got the answer then checked my work. i really hope this helps and don't mind to BRAINLIEST PLZ
At its lowest point, the temperature on Tuesday night had dropped 15.6°C from Tuesday’s high temperature of 8°C. What was the low temperature on Tuesday night?
this is the last thing i need..
Answer:
whats the question
Step-by-step explanation:
Marissa subtracted a negative number from a positive number. Her result was negative. Is that reasonable? Explain.
This part is 4 u Anthony
Answer:
Yes, it is reasonable
Step-by-step explanation:
Her result is reasonable because you can have a smaller positive then a negative for example 4 + -9 = -5
Answer:
it isn't
Step-by-step explanation:
It isn't reasonable. For example, 4 - -4 is equal to 8 because when two negative signs are next to each other, it becomes positive.
Evaluate [tex]\sqrt{48} -4\sqrt{3}[/tex]
will give brainliest
Which situation is best represented by this equation?
35 + 4x = 47
a)Lindsey spent a total of $47 on new pens and mechanical pencils. She bought 4 pens and 35 pencils. The pens and pencils were the same price. What is x, the price of each pen and pencil?
b)Lindsey spent a total of $47 at the grocery store. She bought a bottle of shampoo for $4 and some containers of baby formula for $35 each. What is x, the number of containers of baby formula bought at the grocery store?
c)Lindsey spent a total of $47 on her mother for her birthday. She bought a $35 box of chocolates and some balloons for $4 each. What is x, the number of balloons that Lindsey bought for her mother's birthday?
d)Lindsey spent a total of $47 from her allowance and $35 earned from mowing lawns on rides at the carnival. Each ride costs $4. What is x, the number of rides Lindsey rode at the carnival?
Answer: C) Lindsey spent a total of $47 on her mother for her birthday. She bought a $35 box of chocolates and some balloons for $4 each. What is x, the number of balloons that Lindsey bought for her mother's birthday?
Step-by-step explanation:
The situation c) Lindsey spent a total of $47 on her mother for her birthday. She bought a $35 box of chocolates and some balloons for $4 each. What is x, the number of balloons that Lindsey bought for her mother's birthday?
is best represented by this equation 35 + 4x = 47.
What is a numerical expression?A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements.
Given, An expression 35 + 4x = 47.
Lindsey spent a total of $47 on her mother for her birthday. She bought a $35 box of chocolates and some balloons for $4 each. What is x, the number of balloons that Lindsey bought for her mother's birthday?
As $35 box is constant and she bought one and we can denote the no. of balloons to be 'x' which cost $4 each and the sum of these two is 47.
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which of the following is listed from smallest to largest? ordering fraction
Answer:
c
Step-by-step explanation:
Amira needs 24 and StartFraction 3 over 10 EndFraction feet of fencing material to make a fence for her small garden. Which number represents the additive inverse of this number?
Answer: -24 3/10
Step-by-step explanation: We have been given that Amira needs feet of fencing material to make a fence for her small garden. We are asked to find the additive inverse of our given number.
We know that additive inverse of a number is that number, which we add to a number to create the sum of zero.
Identify all of the drawings that are scaled copies of the original F drawing. Explain how you know.
Answer:
Yep
Step-by-step explanation:
2. Here is a picture of an older version of the flag of Great Britain. There is a rigid
transformation that takes Triangle 1 to Triangle 2, another that takes Triangle 1 to
Triangle 3, and another that takes Triangle 1 to Triangle 4.
a. Measure the lengths of the sides in Triangles 1 and 2. What do you notice?
b. What are the side lengths of Triangle 3? Explain how you know.
c. Do all eight triangles in the flag have the same area? Explain how you know.
Answer:
no.
Step-by-step explanation:
the 4 on the sides are half the area of the ones of the top and bottom because if you take two small ones they will fit with one of the big ones.
sorry if I'm wrong.