weight varies directly with gravity a Mars Lander Wade 767 pounds on Earth but only 291 lb on Mars the accompanying Mars Rover weigh 155 lb on Mars how how much did it weigh on Earth round your answer to the nearest pound
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Related Questions
y = -3x - 2
4y = -12x - 8
how many solutions does the system have?
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Final answer:
The system of equations y = -3x - 2 and 4y = -12x - 8 is dependent with an infinite number of solutions because both equations represent the same line.
Explanation:
The system of equations given is:
y = -3x - 2
4y = -12x - 8
If we examine the second equation, we can simplify it by dividing everything by 4, yielding:
y = -3x - 2
Both equations are now identical, which implies that they are the same line graphed on a coordinate plane. The system is considered dependent, and the number of solutions is infinite because every point on the line y = -3x - 2 is a solution to the system.
Please help! Which of the following is an example of an open equation? 5x+7=12 12+(-8)=4 25=5(5) 8+0=8
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The currency in Argentina is the Peso. The exchange rate is approximately $3 = 1 Peso. At this rate, how many Pesos would you get if you exchanged $121.10?
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3x=121.10
x=40.67
The answer is 40.67 dollars
Hope this helps
The Pesos you would get if you exchanged $121.10 using an exchange rate of $3 = 1 Peso, you can set up a proportion and solve for x.
Explanation:To calculate how many Pesos you would get if you exchanged $121.10 at an exchange rate of $3 = 1 Peso, you can set up a proportion:
$3 / 1 Peso = $121.10 / x Pesos
Cross multiply to solve for x:
$3 * x = $121.10 * 1
x = $363.30
Therefore, you would get 363.30 Pesos if you exchanged $121.10 at the given exchange rate.
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1/4 0f 15? What is the answer
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If Sam invested $3,000 and he earned $300 over six months, the principal is _____.
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(and the net amount of money you earn is the interest, that is $300 in this one.)
What is 5 units away from (-1, -2)
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Answer:
Step-by-step explanation:
There's a whole family of points.
(x + 1)^2 + (y + 2)^2= 25
The above is an equation that represents a circle.
Three points are marked below 2 of which are easily seen to be 5 units away from the center (-1,-2)
from 91 books to 145 books
find the percent increase. round to the nearest percent.
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145 - 91/91 × 100 = 59.34
This has already been rounded, as the original number is repeating, but we can round it even more to 59.
ANSWER:
So, the percent increase was about 59%.
Haruka hiked several kilometers in the morning in the morning. She only hiked 6 kilometers in the afternoon, which was 25% less she had hiked in the morning. How many kilometers did haruka hike in all?
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0.75x = 6
The value of x from the equation is 8. Adding together the 6 and 8 will give us an answer of 14.
Answer: 14 kilometers
The complete distance Haruka hiked can be calculated by converting the percent to decimal.
The total distance is 14 km Haruka hike in all.
Given:
She hiked in afternoon is [tex]6\: \rm km[/tex].
Let the distance hiked in morning is [tex]x[/tex].
As per the question, 6 kilometers 25% less she had hiked in morning.[tex]\begin{aligned}\left(\dfrac{100\%-25\%}{100}\right)x&=6\\0.75x&=6\\x&=\dfrac{6}{0.75}\\x&=8\\\end[/tex]
Therefore, Haruka hiked [tex]8\:\rm km[/tex] in morning.
Calculate the total distance hiked.
[tex]\rm Total\: distance=8+6=14 \:\rm km[/tex]
Thus, the total distance is 14 Km Haruka hike in all.
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Write the point-slope form of the equation of the line with a slope of - 2 and an x-intercept of - 1. Include your work in your final answer.
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What is the value of expression? 57.8 x 64 HELP PLEASE ASAP
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What is the sum of -7/18 and -3/6
a.) -4/9
b.) - 8/9
c.) 4/9
d.) 8/9
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Answer:
-b) -8/9
Step-by-step explanation:
Answer:
The correct Answer is B.) -8/9
Step-by-step explanation:
HAVE AN AMAZING DAY!!
what is the simplified value of 40+2⋅3−2 and 40+2⋅3−2 and 9+32−1⋅4
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9+32-1*4= 37
Simplify and express the answer as a decimal. (−3+6) 2 ÷4.5
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3^2 + 4.53
9 + 4.53
13.53 is your answer
hope this helps
If a 25 foot tall tree cast a 15 foot shadow, what is the height of a tree if it’s shadow is 6 feet long
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set this up as a ratio
25 ft tree / 15 foot shadow = X ft tree / 6 foot shadow
25/15 = X/6
cross multiply:
150 / 15x
x = 150/15 = 10
the tree is 10 feet tall
Which diagram does not result in the expression 4x+4
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A student writes an incorrect step while checking if the sum of the measures of the two remote interior angles of triangle ABC below is equal to the measure of the exterior angle.
A triangle ABC is shown. The base of the triangle extends into a straight line. The angle formed between this straight line and the edge of the triangle is marked as p. The angle adjacent to p is marked as o, and the other two angles inside the triangle are marked as m and n.
Step 1: m∠m + m∠n + m∠o = 180 degrees (sum of angles of a triangle)
Step 2: m∠p − m∠o = 90 degrees (alternate interior angles)
Step 3: Therefore, m∠m + m∠n + m∠o = m∠o + m∠p
Step 4: So, m∠m + m∠n = m∠p
In which step did the student first make a mistake and how can it be corrected?
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Answer: Step 2; it should be m∠o + m∠p = 180 degrees (supplementary angles)
Which table shows a proportional relationship? x 1 2 3 4 5 y 9 10 11 12 13 b 1 4 5 7 11 c 3 12 15 21 33 p 1 3 5 7 9 q 0 2 4 6 8 r 3 6 10 12 15 s 2 4 6 8 10
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Proportional relationships are relationships between two variables where their ratios are equivalent. b and c represents Proportional relationships.
What is proportional relationship?Proportional relationships are relationships between two variables where their ratios are equivalent
The first table is
x 1 2 3 4 5
y 9 10 11 12 13
The ratios are not same
1/9, 2/10=1/5, 3/11, 4/12=1/3, 5/13
So it is not a proportional relationship.
b 1 4 5 7 11
c 3 12 15 21 33
The ratios are same .
1/3, 4/12=1/3, 5/15=1/3, 7/21=1/3, 11/33 =1/3.
Hence b and c table shows proportional relationship.
p 1 3 5 7 9
q 0 2 4 6 8
The ratios are not same it does not show proportional relationship.
r 3 6 10 12 15
s 2 4 6 8 10
The ratios are not same it does not show proportional relationship.
Hence the table b and C shows proportional relationship.
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Factor the expression. 50k^3 – 40k^2 + 75k – 60
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I hope this helps :)
Answer:
ur final answer will be 5 x (2k^2+3) x (5k-4). its correct i just did the test
Step-by-step explanation:
factor out the coefficient of the variable 1/4 y + 3/8
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was 2/8 but simplified.
Beth read 10 pages in a book stopping at the top of page a on what pages did she begin
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That’s the answer
PLEASE HELP 20 POINTS
Calculate the Average Time and Average Speed for each vehicle.
Car 1 Car 2
Trial 1 = 4.12 seconds 8.33 seconds
Trial 2 = 4.41 seconds 8.25 seconds
Trial 3 = 3.96 seconds 8.66 seconds
Average Time = ? ?
Distance = 2 meters 2 meters
Average Speed= ? ?
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The average time of Car 2 is 8.41 seconds
The average speed of Car 1 is 0.48m/s
The average speed of Car 2 is 0.24m/s
what is -3x + b = 6x . Solve for x
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B=9x den divide 9 to both sides b/9=x hope this helps have a nice nite!
Which expression equals -(9x + 8) - 2(x -5)
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= -9x - 8 - 2x + 10
= -11x + 2
Find sum or difference.
1/6 + 3/8
A. 4/6
B. 4/8
C. 4/14
D. 13/24
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= 4/24 + 9/24
= 13/24
answer
D. 13/24
find common denominator:
6*4 =24, 8*3 = 24
1/6 = 4/24
3/8 = 9/24
4/24 + 9/24 = 13/24
Answer is D
How do you turn percents into fractions?
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Step 1: You want to remove the percent sign and then put the number over 100.
Step 2: If the percent is not a whole number then you want to multiply the top and bottom number by 10 but only for every number that comes after the decimal point.
Step 3: Always simplify if possible.
Examples:
43% = [tex]\frac{43}{100}[/tex]
78% = [tex]\frac{78}{100}[/tex] = [tex]\frac{39}{50}[/tex]
0.4% = [tex]\frac{0.4}{100}[/tex] = [tex]\frac{4}{1000}[/tex] = [tex]\frac{1}{250}[/tex]
Converting percents to fractions involves writing the percent as a fraction with a denominator of 100 and then simplifying. For example, 75% is equivalent to 75/100, which simplifies to 3/4. Decimals can be converted to percents by multiplying by 100 and adding the percent sign.
Converting Percents to Fractions
To convert a percent to a fraction, start by writing the percent value as a fraction with a denominator of 100. For example, 75% would be written as 75/100. The next step is to simplify the fraction if possible. To simplify, you find the greatest common divisor (GCD) of the numerator and the denominator and divide both by this number. For instance, the GCD of 75 and 100 is 25, so when we divide both the numerator and the denominator by 25, we get 3/4. Hence, 75% as a fraction in simplest terms is 3/4.
When converting to decimals, simply divide the numerator by the denominator. So, 75% becomes 0.75 when turned into a decimal. Conversely, to convert a decimal to a percent, you multiply by 100 and add the percent symbol (%). For instance, converting the decimal 0.75 to a percent, you would calculate 0.75 * 100 which equals 75%, completing the conversion.
Calculating percents is about understanding the ratio or fraction that the percent represents. The term 'percent' literally means 'per hundred', so any percent can be thought of as that number over 100. For example, 3% means 3/100 and 100% represents a whole or 1 as it's equivalent to 100/100.
Karen wants to buy a $22.50 jacket that is marked 20% off. Select from the drop-down menu to correctly complete the sentence. The best estimate for the discount can be found using the expression
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discount = price times % off
discount = 22.50 x 0.20
discount = $4.50
Answer:
[tex]\$22.50*0.20=\$4.50[/tex]
Step-by-step explanation:
Let
x-------> original price
y------> percentage of discount
z-----> discount
we know that
[tex]z=xy[/tex]
In this problem we have
[tex]x=\$22.50[/tex]
[tex]y=20\%=\frac{20}{100}=0.20[/tex]
Substitute the values
[tex]z=\$22.50*0.20=\$4.50[/tex]
Please help me please. What is the slope of a line perpendicular to the line whose equation is 5x-2y=11?
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-2y = -5x + 11
-2y/-2 = (-5x + 11)/-2
y = 5/2x - 5.5
hope this helps
Multiply: 2 4/5 x -5 2/3
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How many 3/4 cup servings are in 1/2 of a cup of milk? Write your answer in simplest form.
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In this question, you are asked how many cups of milk is 3/4 serving from 1/2 cup of milk. To answer this, you need to multiply the number of serving with the serving size.
If one serving is 1/2 cups of milk, then 3/4 servings would be:
3/4 servings * (0.5 cups / serving)= 3/8 cups of milk = 0.375 cups of milk
The number of 3/4 cup servings that are in 1/2 of a cup of milk is [tex]\frac{2}{3}[/tex]
In order to determine the number of 3/4 cup servings that are in 1/2 cup of milk, divide the fraction of the cup of milk by the fraction of cup servings
Cup of milk ÷ Number of cup servings
= [tex]\frac{1}{2}[/tex] ÷ [tex]\frac{3}{4}[/tex]
[tex]\frac{1}{2}[/tex] x [tex]\frac{4}{3}[/tex]
= [tex]\frac{4}{6}[/tex]
In order to express the answer in its simplest form, divide the numerator by two and the denominator by 2. The numerator and the denominator are both divided by two because two is a common factor of 4 and 6
= [tex]\frac{2}{3}[/tex]
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The students at Porterville Elementary sold raffle tickets, each for the same price, for a fundraiser. The equation below shows how much money was raised with t tickets sold. $966 = $14t