A Pentagon has 3 sides that are the same length and 2 sides with different lengths. The 3 sides are 8 cm long.The other 2 sides are 11 and 6 cm long. What is the perimeter?
41
Step-by-step explanation:
3(8)+11+6=24+17=41
Plz, can anyone answer this question
plssssssssssssss help it is due to 30 minutes, i mark as brainliest if answered thank you
Can someone pls help me :(( tysm if u do and i have 7 khan academy’s and there only 4 questions on each on can someone pls help me on them there all due by 12 tn and i dont know who else to ask for help tysm if u do:c
Answer:
-8
Step-by-step explanation:
I’ll substitute x for the blank space:
-2 = x + 6
-2 - 6 = x
x = -8
-8 + 6 = -2 ✅
Ty’Reese is 12 years old and collects trading cards. He has 972 cards. He wants to put them into albums. Each album holds 36 cards. How many trading card albums will he need?
In the wοrd prοblem, He need 27 albums fοr tοtal trading cards.
What is wοrd prοblem?Wοrd prοblems are οften described verbally as instances where a prοblem exists and οne οr mοre questiοns are pοsed, the sοlutiοns tο which can be fοund by applying mathematical οperatiοns tο the numerical infοrmatiοn prοvided in the prοblem statement. Determining whether twο prοvided statements are equal with respect tο a cοllectiοn οf rewritings is knοwn as a wοrd prοblem in cοmputatiοnal mathematics.
Here the given Tοtal number οf cards = 972
Number οf cards each album hοld = 36
Nοw ,Tοtal number οf album
=> Tοtal number οf card / Number οf cards each album hοld
=> 972/36
=> 27.
Hence He need 27 albums fοr tοtal trading cards.
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Multiply
(-4-71)(3 – 52)
Enter your answer, in standard form
pls answer quick!!! i'll give brainliest if right!
Answer:
Step-by-step explanation:
$0.11
per ounce
1.32/12=0.11!!
Answer: 1.21
Since we know that $1.32 is 12 ounces all we need to do is figure out how much is in each ounce which is "0.11", so this means for each unit equals to "0.11" so
0.11 x 11=1.21 ounces Good luck!
3. A cosmetic retailer surveyed 200 customers on which of their top two lipstick shades the
customers preferred. The results are shown in the table. Find the probability of randomly
selecting a customer who prefers the Pretty Pink shade, given they are among the group of 30-
year-olds?
Answer:
.440
Step-by-step explanation:
Based on the number of people in the 30 - 39 age group, the probability of picking one who prefers Pretty Pink is 0.440.
What is the probability of a Pretty Pink preference in 30 - 39?This can be found as:
= Number of 30 - 39 year olds who preferred Pretty Pink / Total number of 30 - 39 year olds surveyed
Solving gives:
= 22 / (28 + 22)
= 22 / 50
= 0.440
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What is the slope of a line that is perpendicular to a line that goes through the points (4,2) and (7,6)
Answer:
Slope of the perpendicular line
m2=-5/2
Step-by-step explanation:
can you plz help.me this to find plz plz
Sums are incorrect
[tex]\\ \sf\longmapsto 3a+b-(6b-2)[/tex]
[tex]\\ \sf\longmapsto 3a+b-6b+2[/tex]
[tex]\\ \sf\longmapsto 3a-5b+2[/tex]
one-third of the sum of x and 2 as an expression
Answer:
[tex]\frac{1}{3}[/tex](x+2)
Step-by-step explanation:
Hope this helps! :)
Step-by-step explanation:
1) Let the number be x.
2) To find one-third of a number, divide the number by 3 ,
3) x÷3.
IT"S STARRR DAYY
FOR ME :(
Step-by-step explanation:
45÷11= 4 R 1
between 4 and 5
4 1/11
4 1/11
The height of the tide at the Bay of Fundy in New Brunswick decreases 36 feet in 6 hours. What is the mean hourly change in the height in feet per hour?
help
Answer:
6 feet per hour
Step-by-step explanation:
36 / 6 = 6
For the reaction 2Fe + O2 → 2FeO, how many grams of iron oxide are produced from 42.4 mol of iron?
In the balanced reaction
2 Fe + O₂ → 2 FeO
2 moles of iron (Fe) react with 1 mole of molecular oxygen (O₂) to produce 2 moles of iron oxide (FeO). The ratio of Fe to FeO is 1-to-1, so if one starts with 42.4 mol of Fe, one will end up with the same amount of FeO, 42.4 mol.
Look up the molar mass of Fe and O:
• Fe = 55.845 g/mol
• O = 15.999 g/mol
Then the molar mass of FeO is approximately 71.835 g/mol, and so the mass of 42.4 mol of FeO is
(42.4 mol) × (71.835 g/mol) ≈ 3050 g
A tunnel is constructed with a semielliptical arch. The width of the tunnel is 80 feet, and the maximum height at the center of the tunnel is 30 feet. What is the height of the tunnel 4 feet from the edge? Round your answer to the hundredths place.
4.01 feet
9.37 feet
13.08 feet
29.85 feet
This can be determined by ellipse formula. Therefore, the height of the tunnel 4 feet from the edge is 13.08 feet.
Given:
A tunnel is constructed with a semi-elliptical arch. The width of the tunnel is 80 feet, and the maximum height at the center of the tunnel is 30 feet.
Find:
The height of the tunnel 4 feet from the edge is.
Let us consider,
The center of the concerned ellipse at the centre of its width of 80 feet. Let us consider
[tex]\begin{alligned}2a&=80\\\\a&=\dfrac{80}{2}&=\bold{40\:feet}\end{aligned}[/tex]
Since the maximum height at the centre of the tunnel is 30 feet, we can say that b = 30 feet.
Now, considering the centre of the tunnel as origin, we can write the equation of the ellipse as:
[tex]\bold{\dfrac{x^{2} }{a^{2} } +\dfrac{y^{2} }{b^{2} } =1}[/tex]
If we need to find the height of the tunnel 4 feet from the edge, we are looking for the height of the tunnel at 40 - 4 = 36 feet from the center of the tunnel.
Therefore, we need to find y from the equation of the ellipse, when x = 36 feet.Hence,
[tex]\begin{aligned}\dfrac{36^{2} }{40^{2} } +\dfrac{y^{2} }{30^{2} }&=1\\\dfrac{1296}{1600} +\frac{y^{2} }{900}&=1\\y^{2}&=(1-\frac{1296}{1600} )\times900\\y^{2}&=(1-0.81)\times900\\y^{2}&=0.19\times900\\y^{2}&=171\\y &=\sqrt{171\\\bold{y&=13.08}\end{aligned}[/tex]
Therefore, the height of the tunnel 4 feet from the edge is 13.08 feet.
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Answer:
This can be determined by ellipse formula. Therefore, the height of the tunnel 4 feet from the edge is 13.08 feet.
Step-by-step explanation:
because of the reason that the other one said so, and im answering cause i want more points and to maintain my streak, and brainly stop taking down my answers!
What is the midpoint of this segment
Answer:
(1,1)
Step-by-step explanation:
Please help me in this!
Answer:
5000
ghsjdjdjdjdjdjdjdkdkdkdkdkdkdkdk
PLEEASEEE HELP WILL MARK BRAINLIEST IF CORRECT
Which table is a probability distribution table?
1. X Blue Orange Green Purple
P 0.3 0.4 0.5 —0.2
2. X Blue Orange Green
Green Purple
P 0.6 0.05 0.05 10.3
3. X Blue Orange Green
Green Purple
P -1 1 1 0
4. X Blue Orange Green Purple
P 0.4 0.4 0.2 10.1
Answer:
I believe it is C
Step-by-step explanation:
sorry if I'm wrong I'm not sure
Table (2) is a probability distribution table.
What is probability?Probability is the possibility of happening an event.
Note the probability can never be negative, therefore, discard the tables with negative values.
Hence, table (1) and table (3) cannot be probability distribution tables.
Now, the sum of all probabilities in a probability distribution is always 1.
The sum of probabilities in the table (2) is:
0.6 + 0.05 + 0.05 +0.3
=1.0
And, the sum of probabilities in the table(4) is:
0.4 + 0.4 + 0.2 + 0.1
=1.1
Therefore, table (2) is a probability distribution table.
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PLS HELP WILL MARK BRAINLIEST, NO FAKE ANSWERS
Answer:
see explanation
Step-by-step explanation:
The perimeter is the sum of the sides of the figures
(1)
The figure has 5 congruent sides , then perimeter P
P = 5 ([tex]\frac{2}{5}[/tex] x + 1) ← multiply each term in the parenthesis by 5
= 2x + 5
(2)
There are 4 congruent sides of ([tex]\frac{5}{2}[/tex] x - y) and 8 of y , then
P = 4([tex]\frac{5}{2}[/tex] x - y) + 8y ← distribute parenthesis by 4
= 10x - 4y + 8y ← collect like terms
= 10x + 4y
(3)
P = 2([tex]\frac{2a-b}{2}[/tex] ) + 2([tex]\frac{3b}{2}[/tex] ) + 2a ← distribute parenthesis
= 2a - b + 3b + 2a ← collect like terms
= 4a + 2b
*HELP*
Which of the following is the definition of a weighted average?
Group of answer choices
The ratio of the width to the height of a television screen.
a computing error caused by switching two adjacent digits.
an indicator, sign or measure of something.
An average resulting from the multiplication of each component by a factor reflecting its importance.
Answer: an average resulting from the multiplication of each component by a factor reflecting its importance.
Step-by-step explanation:
Answer:
An average resulting from the multiplication of each component by a factor reflecting it's importance.
Step-by-step explanation:
Assuming only one is selectable. Only possible answer doesn't need much explanation I believe.
Ricardo invests $8650 in an account that earns 3.9% interest compounded weekly. What is the total amount of his investment after 9 years? Round your answer to the nearest dollar.
Based on the amount he invested and the period of his investment, Ricardo's investment worth in 9 years will be $12,286.
The period of compounding is weekly so you first need to convert the interest rate to a weekly rate as well as the period of investment:
= 3.9% / 52 = 3.9/52%
= 9 years x 52 weeks per year = 468
Value of the investment after 9 years is:
= Amount x ( 1 + rate) ^ no. of periods
= 8,650 x (1 + 3.9/52%)⁴⁶⁸
= 12,285.599
= $12,286
In conclusion, the investment would be worth $12,286.
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in a toy store, the ratio of action figures to teddy bears 6 to 2. if the store has 320 total toys, how many teddy bears are there in the store?
helping my sister with her homework
Answer:
5 : 10
6 : 12
7 : 14
8 : 16
9 : 18
Step-by-step explanation:
10/5=2
there is only one number in between 7 and 5
so now you have to go up 2 each time in the right collum and go up once in the left collum.
Name the marked angle in 2 different ways
Answer:
Step-by-step explanation:
Angle ECB or angle BCE should do it
8 in
10 in
This is what we have to do some hlep
Answer:
12 in
Step-by-step explanation:
This is a answer can get better and than you do as long before I go home.
Find the missing variable in the diagram below.
60 + (3x - 13) = (5x + 1)
60 + 3x - 13 = 5x + 1
3x - 5x = 1 - 60 + 13
-2x = -46
-2x / -2 = -46 / -2
x = 23
Answer: x = 23
How to solve this question?????
Help me please
Answer: 24/10
Answer: 24/10Step-by-step explanation:
1) 1*1÷10 +1*1÷5+2÷20
2)(1*10+1)/10+(1*5+1)/5+2/20 3)11/10+6/5+2/20
4)11/10+6/5+1/10
5)11/10+12/10+1/10
6)(11+12+1)/10
7)24/10
Hope it helps!Please mark me brainest and follow me to get the answer faster
can someone please help me
Answer:
x = 1 and it's undefined yaaaaaaaaaaa
|2i+3j| is equal to:
Answer:
Step-by-step explanation:
|2i+3j|=√(2²+3²)=√(4+9)=√13
Giving brainlyest if your answer is right
Answer:
-147 because -21x7 equals -147
Step-by-step explanation: