Answer:
One block - 15
Two blocks - 30
Three blocks - 45
Four blocks - 60
Five blocks - 75
Equation: 25 + 5x = 100
Step-by-step explanation:
This is a pretty simple problem. The scale is balanced and from what we know, the 100 and 25 are on different sides. If we want the scale to be balanced, then we have to solve the equation:
25 + 5x = 100.
(We have the 5x because we have 5 blocks that are marked as x)
subtract 25 from both sides
25-25 + 5x = 100-25
5x = 75
the following step is to divide both sides by 5.
5x/5 = 75/5
x = 15
Now that the equation is solved, we know that ONE blocked marked as X equals 15-g.
(All five of them equal 75-g)
1/2x-12-48=180 Process of how to find X?
please I need the help
Answer:
x is 480
Step-by-step explanation:
You do the math and you get 80 :)
i need help plz ............
Answer:
A. Each large envelope costs $1.42
Step-by-step explanation:
To solve this, we want to set up a system of equations.
The first customer paid $12 for 14 postcards & 5 large envelopes.
The total number of dollars paid is $12. This will be on one side of the equal sign.They bought 14 postcards. This will be represented by 14p.They bought 5 large envelopes. This will be represented by 5eThe equation will be: 14p + 5e = 12The second customer paid $24.80 for 10 postcards & 15 large envelopes.
The total number of dollars paid is $24.80. This will be on one side of the equal sign.They bought 10 postcards. This will be represented by 10p.They bought 15 large envelopes. This will be represented by 15eThe equation will be: 10p + 15e = 24.80Now let's set up our equations together.
14p + 5e = 12
10p + 15e = 24.80
We will solve this through elimination. First we want to eliminate one variable at a time. We will start with e because we can see that 5 and 15 will simplify easily.
Multiply the first equation by -3 to cancel out the variable e.
-3(14p + 5e = 12) = -42p - 15e = -36
Now set this up for elimination.
-42p - 15e = -36
10p + 15e = 24.80
______________
-32p = -11.2
Divide both sides by -32.
p = 0.35
Each postcard costs $0.35.
Now that we know the value of p, let's plug it into one of equations to find e.
14p + 5e = 12
14(0.35) + 5e = 12
4.9 + 5e = 12
5e = 7.1
e = 1.42
Each large envelope costs $1.42
Check your answer by plugging both values back into the equation you haven't used yet.
10p + 15e = 24.80
10(0.35) + 15(1.42) = 24.80
3.5 + 21.3 = 24.80
24.80 = 24.80
Your answer is correct.
Hope this helps!
Lin and Diego both ran for 10 seconds, each at their own constant speed. Lin ran 40 meters and Diego ran 55 meters.
Who was moving faster? Explain your reasoning.
How far did each person move in 1 second? If you get stuck, consider drawing double number line diagrams to represent the situations.
Use your data from the previous activity to find how far you could travel in 10 seconds at your quicker speed.
Han ran 100 meters in 20 seconds at a constant speed. Is this speed faster, slower, or the same as Lin’s? Diego’s? Student B’s?
The speed is faster of Diego is 5.5m/sec
We have the following information available from the question is:
Lin and Diego both ran for 10 seconds, each at their own constant speed. Lin ran 40 meters
and, Diego ran 55 meters.
We have to find the Who was moving faster?
Now, According to the question:
We use the formula:
Speed = distance/time
We have :
Speed of Lin is = 40/10 = 4m/sec
Speed of Diego = 55/10 = 5.5 m/sec
So, The speed is faster of Diego.
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Solve the problem in the example. Show your work.
You would have to divide 195 by both 15 and 12 to get both hours mowing and hours babysitting.
195 / 15 = 13
195 / 12 = 16 1/4
now if you put the answers in place of b and m you would get (15*13) + (12*16.25) = 195
Answer: 195
Conclusion: Sophia gets over payed
Step-by-step explanation:
One hour of babysitting costs $15 One hour of mowing costs $12
Let the of hours babysitting be x, Let the hours of mowing be y,
$195÷2=$97.5
$195-$49.5 = $145.5 $97.5 - 12 X 4 =$49.5
∴ Total money Sophia got for ∴ Total money Sophia got
baby sitting is $145.5. mowing is $49.5.
Now, Now,
15 X x = $145.5 $12 X y = $49.5
x = [tex]\frac{145.5}{15}[/tex] y = [tex]\frac{49.5}{12}[/tex]
x = 9.7 y = 4.125
∴ Sophie babysitted for ∴ Sophia mowed for 4.125 hours.
9.7 hours.
Note:
You can check if your answer is correct like this:
Multiply 9.7 by $15 ( you will get $145.5 as the answer)
Then, multiply 4.125 by $12 (you will get $49.5 as the answer)
Lastly, add the answers together.($145.5 + $49.5 which will give the answer
as $195)
And boom you got the same answer as written in the question.
It's just a small trick to check if your answer is correct.
I hope this will help you!!!
1. Find the mean median and mode of the data set.
4, 10, 3, 1
2. Alisha babysat her next door neighbor's children on Thursday nights. The amount of money she made for four weeks is listed below.
$25, $25, $22, $30
Alisha babysat another week and made $15. How were the mean and median affected?
A. The mean and median both decreased.
B. The mean and median both increased.
C. The mean decreased and the median stayed the same.
D. The mean and median both remained the same.
1. mean) 4+10+3+1=18 18÷4=4.5 median) 1x,3,4,10x 3+4=7 7+1=8 8÷2=4 mode) there is no mode in the list as no values are repeated
2. mean before) 25+25+22+30=102 102÷4=25.5 mean after) 25+25+22+30+15=117 117÷4=29.25 median before) 22x,25,25,30x 25+25=50 50÷2=25 median after) 15x,22x,25,25x,30x
none of them. the mean increased and the median stayed the same.
I have underlined all my answers so it is easier for you to find them.
A set of numbers is shown below:
{0, 0.6, 2, 4, 6}
Which of the following shows all the numbers from the set that makes the inequality 2x + 3 ≥ 7 true?
{4, 6}
{0, 0.6, 2}
{0, 0.6}
{2, 4, 6}
Answer:
Step-by-step explanation:
{2, 4, 6}
Answer:
{2,4,6}
Step-by-step explanation:
Its the only answer that makes sense to me
please help!
look at the photo (again lol)
Answer:
32
Step-by-step explanation:
Because if you put the lack of other side to the other side, it will complete.
One roll = 4
eight rolls = 4 × 8 = 32
PPLLLLLZZZZZ HELP :( PT 2 ILL GIVE U BRAINLIST TO THE FIRST RIGHT ANSWER AND A THANK YOU PLUS U GET POINTS :)
Answer:
mean: 10.3
median: 10
mode: 12
Step-by-step explanation:
Helpppppp me please
Answer:Sure thing? But first what do you need help with and maybe just maybe I will help you with whatever you need help with?
Step-by-step explanation:
Write an integer to describe the situation AND explain the meaning of zero. RISING 7 DEGREES
HELPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPPP
Answer: How much money it is, how long the gym membership lasts for, how big is the gym, and does it have what he wants, the location, and he can get a guest membership to test what the gym is like.
Hope this helps
Jessica deposits her summer babysitting earnings, $600, in a savings account. How many years will it take her to earn $150 in interest at a simple annual rate of 5%? Enter the correct number in the formula.
Answer:
5 years
Step-by-step explanation:
Is this a function?
{(-1,3); (-2,-3); (2,0); (0,2)}
A $50 dallor shirt is on sale for $42. What percent does the costermer save
What is the length of the base of a parallelogram if the Area is 125 sq. yds., and the height is 5 yds. ? Just put the answer. Hint: write the formula for area of a parallelogram and substitute what information you know. Use algebra to solve.
Answer:
25 yd = L
Step-by-step explanation:
The formula for the area of a parallelogram of length L and width W is
A = L * W.
Here we know that A = 125 yd^2, which (from the formula) equals (L)(5 yd).
125 yd^2
Solving for the length, L, we get L = --------------- = 25 yd = L
5 yd
A rectangular prism made of inch cubes is shown.
Drag and drop the correct numbers into each box to make each sentence true.
The rectangular prism is made up of ? unit cubes. This volume can also be found by multiplying ? square units by ? units. please help :(
Answer:
you multpy 15 x 18 to get 270
Step-by-step explanation:
Hope this helps
Please please please help, I give brainliest to first answer(not random nonsense)
The inequalities h>42 and h<60 represent the height requirements for an amusement park ride, where h represents a person's height in inches.
Write a sentence or draw a sign or that describes these rules as clearly as possible.
Answer:
42<h<60
H is greater than 42 but less than 60, 42 is less that h and h is less than 60
(I don’t understand what the question is asking for so just correct me if I answered it incorrectly)
According to this inequality, the H must be at least 60 inches taller than 42 inches.
What is linear inequality?According to the mathematical definition of inequality, neither side is equal. In mathematics, inequality occurs when a non-equal comparison between two expressions or numbers results from the relationship. In this expression, the equal sign "=" can be substituted for any of the inequality symbols greater than (>), less than (<), greater than or equal to (≥), less than or equal to (≤), or not equal to (≠). Mathematically can take many forms, including polynomial inequality, rational inequality, and absolute value inequality.
Given h > 42 and h < 60,
where h is height in inches,
the equation for inequality is,
42 < h < 60
which says that the height of a person should be more than 42 inches and less than 60 inches.
Hence the equation is 42 < h < 60, height should more than 42 inches and less than 60 inches.
Learn more about linear inequality;
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Solve for n:
n/12 = 3/4
A. n = 12
B. n = 15
C. n = 18
D. n = 9
Answer:D. n = 9
Step-by-step explanation:
n/12 = 3/4 // - 3/4
n/12-3/4 = 0
1/12*n-3/4 = 0 // + 3/4
1/12*n = 3/4 // : 1/12
n = 3/4/1/12
n = 9
Lauren and Aidan left their offices at 6:15 p.m. and drove to meet at a restaurant the same distance away from their offices for dinner.
Lauren drove at a constant speed of 39 miles per hour.
Aidan drove at a constant speed of 42 miles per hour.
Aidan reached the restaurant at 6:35 p.m.
How far away was Lauren from the restaurant when Aidan reached? PLEASE EXPLAIN
Percentages just answer the sentance
Answer:
20
Step-by-step explanation:
70%×20
70÷100×20
70÷5
=14
Answer:
70% of 20 peaches is 14 peaches
20 is the answer
Billy bought a box of fruit that weighed 57⁄8 kilograms. If he bought a second box that weighed 63⁄8 kilograms, what is the combined weight of both boxes?
[(54 + 2) + 3-6] divided by 2
Answer:
[(54 + 2) + 3-6] divided by 2=26.5
Step-by-step explanation:
Answer:
26.5
Step-by-step explanation:
[(54 + 2) + 3-6] / 2
(56 + 3 - 6) / 2
(59 - 6) / 2
53 / 2
= 26.5
Find the area of the parallelogram shown below and type your result in the empty box shown below.
Answer:
\mathrm{mm}^{2}mm
2
Answer:
They're equal
Step-by-step explanation:
For the rectangle the formula is b×h which is 5×3
For the triangle it's (b×h)/2 which is (6×5)/2
find the volume of the prism L=7/4 W=3/2 H=1/2
the answer would be 21m^3
Compute the unit rate. Choose all that are correct.
1 2 mile in each 1 4 hour is a rate of 1 8 miles per hour.
1 2 mile in each 1 8 hour is a rate of 4 miles per hour.
1 5 mile in each 1 10 hour is a rate of 2 miles per hour.
1 2 mile in each 1 6 hour is a rate of 1 over 12 miles per hour.
Answer:
a b c
Step-by-step explanation:
PLEASE HELP FAST 75 POINT.
evaluate: 71.5 times (-9.2)A. –657.8 B. –65.78 C. 65.78 D. 657.8.
Answer:
the answer is A.-657.8
Step-by-step explanation:
because a positive times a negative will always equal a negative.
Answer: b
Step-by-step explanation:
The project will cost $___.
Answer:
$2.03
Step-by-step explanation:
$0.98
+$1.05
Help with me please
50 points
If the area of square F is 25 cm2, and the area of square G is 144 cm2, what is the area of square H?
Answer:
169
Step-by-step explanation:
i got it right and uh yeah hope this helps have a great day =)
Answer:
The answer is
169cm²
Step-by-step explanation:
I got the correct answer here
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v v v v
thank me later ;)