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ABC is an isosceles triangle.
Calculate the perpendicular height. (h)
Hence calculate the area of the triangle.
Answers
Answers:
h = sqrt(55) centimetersarea = 3*sqrt(55) square cmYour teacher may want the numbers only, so you may have to leave off the units.
We have these approximations:
sqrt(55) = 7.416198
3*sqrt(55) = 22.248595
===========================================================
Explanation:
ABC is isosceles, meaning that the altitude (aka height) h cuts side BC into two equal pieces. BC = 6 cuts in half to 3.
Let's say point D is on BC and at the base of the altitude. In other words, D is at the midpoint. Triangle ABC is cut into two smaller triangles ABD and ADC.
Let's focus on triangle ADC, which is a right triangle. It has a horizontal side of DC = 3 and vertical side AD = h. The hypotenuse is AC = 8.
---------
Let
a = hb = 3c = 8Apply the pythagorean theorem
a^2 + b^2 = c^2
h^2 + 3^2 = 8^2
h^2 + 9 = 64
h^2 = 64-9
h^2 = 55
h = sqrt(55) ..... exact
h = 7.416198 ..... approximate
---------
Once we determine the height of triangle ABC, we can compute the area
base = BC = 6 cm
height = AD = h = sqrt(55) cm
area = 0.5*base*height
area = 0.5*6*sqrt(55)
area = 3*sqrt(55) .... exact
area = 22.248595 .... approximate
The units for the area are "square cm" or "cm^2".
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2) (5.3 x 10^-3) (I’m only 80% sure about that one)
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multiply -2 and (-4m-8) to get 8m+16
then subtract -2m to get 6m+16
Answer:
D
Step-by-step explanation:
A rectangle and a parallelogram have the same base and the same height.
Use the drop‐down menu to compare the areas of the two figures.
The area of the rectangle is
Choose...
the area of the parallelogram.
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Answer:
Can you please add a picture/more info so I can answer the question
Step-by-step explanation:
Without values or options there is no way for me to answer the question
If you add something I will immediately edit this answer
Thank you!
Arthur brought $32 to the carnival. He bought a hotdog, a t-shirt, and a ticket. The hotdog was 1/2 as much as the t-shirt. The t-shirt was 1/2 the cost of the ticket. Arthur had $2.25 leftover. What is the cost of each of the 3 things?
please no link
Answers
Answer:
$8.50,$17,32
Step-by-step explanation:
Answer:
Hotdog: $4.25
T-shirt: $8.50
Ticket: $17
Step-by-step explanation:
It finally let me post as an answer :)
If we call the price of a hotdog x, the cost of a t-shirt is 2x, because 1/2 of 2x is x, right?
So a hotdog is x, a t-shirt is 2x, and a ticket is twice that again, so 4x.
x + 2x + 4x + 2.25 = 32
He bought a hot dog, a t-shirt, and a ticket, had 2.25 left over, with a total of $32
x + 2x + 4x + 2.25 = 32
subtract 2.25 from both sides, combine like terms:
7x = 29.75
divide both sides by 7,
x = 4.25
hotdog = 4.25
T-shirt is 2x, so $8.50
ticket is 4x, so $17
4.25 + 8.50 + 17 + 2.25 = 32
Can someone explain how to find the IQR for box plots?
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5 Is the Mean
The IQR for Q1 is 2.5 and Q3 is 7.5
It is basically the median of { 1 2 3 4 } and { 6 7 8 9 } not including 5
The odometer in a car measures the number of miles driven by the car since it was made. During a trip, the odometer reading in Anita’s car is modeled by the function y=9500+55x , where x represents the number of hours driven during the trip and y represents the odometer reading in miles. Part A What is the meaning of the rate of change in this function? The number of miles driven each hour during the trip. The number of miles driven each hour during the trip. The total number of miles driven at the beginning of the trip. The total number of miles driven at the beginning of the trip. The total number of miles driven at the end of the trip. The total number of miles driven at the end of the trip. The number of miles driven during the trip.
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Step-by-step explanation:
Step-by-step explanation:
Part A
The units on 9500 must be miles. So if x is time, then 55 must be the rate at which she travels ie 55 miles per hour. So the answer must be A.
Part B
The trip began when the time was zero. Therefore x is zero. What remains is the mileage on the odometer when x = 0. The answer must be 1950.
C. How many pieces of siding need to be purchased? Justify your reasoning.
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Answer:14025
Step-by-step explanation:
Because 25x33x17=14025
Maggie is buying a jacket. The expression shown represents the sales tax on the jacket price, j.
0.08j
Write an expression in terms of j to represent the total amount that Maggie spends on the jacket, including tax.
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A group of armed forces personnel were surveyed. The branch of service was recorded in the chart below.
What percent of the whole group are in the Navy?
26%
33%
12%
27%
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divide one hundred thirty five but the total of five hundred and move the decimal back two places
Can someone help me with this
Answers
Answer:
4/5
Step-by-step explanation:
4/5x20/20=80/100
80/100=80%
hope this helped! have a good day :)
Answer:4/5
Step-by-step explanation:4 divided by 5=.8=.80=80%
brainlyest plz
Which graph represents all of the solutions of 3n–15≤ -3?
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Answer:
B.
Step-by-step explanation:
PLZZZZ HELP ME if you dont know the answer plz dont help me
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Please help, this is due today
The table below shows the math and verbal test scores of 10 students at a school. When the best-fit linear model for this data set is graphed, which conclusion will be best supported by the residuals
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Answer:
D
Step-by-step explanation:
There is not correlation between math and verbal students
Answer:
D
Step-by-step explanation:
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there is 2.2 x's per y, so if you multiply 2.2 and 13 you get 28.6
28.6 is your answer
Please help. quickly if possible
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Answer:
Surface area: 160 Volume: 100
Step-by-step explanation:
Explanation:
A cube shaped container has an edge length of 13cm. The container is filled point half way with water. What is the volume of the water
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Answer:
1098.5 might be right...
Step-by-step explanation:
13x13x13 is a cube
filled halfway with water makes it
13x13x6.5
multiply
1098.5
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Answers
Answer:
D
Step-by-step explanation:
Answer:
Answer is d
Step-by-step explanation:
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Answer:18. 5/7 17
Step-by-step explanation:
Answer:
1 blank. 5/7t
2 blank. is 18
3blank. 6/7
4 blank. 1
Step-by-step explanation:
it wants you to reorganize things by like terms
So the first blank should be your other t value
so 5/7t
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Answers
Answer for 1 and 2:
y=9+n
if n=12, then y=21
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if n=12, then y=144
Step-by-step explanation:
by observing the first chart, we see both the input and output increase by one each time. this means they are proportionally linear, meaning if one increases by 1, so does the other, giving it a slope of 1/1. if we look at the equation y=mx+b, we substitute x for n as it is the input and 1/1 as the slope, or m, and find the y-axis intercept by finding y for n=0 (which is 9), we get the equation y=1n+9, or y=n+9. if we substitute 12 for n, we get 21.
for the second graph, the trend is y, the output, when divided by n, the input, always equals 12. thus, y=12n, which is the whole equation. if we substitute 12 for n, we get 12x12 which equals 144.
Will mark brainliest
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You can have it insured so if you do lose your card, you get your money back
You can pay it monthly instead of on the spot.
Realice los siguientes ejercicios de Proporciones
a) 1/16 = 7/x
b) 1/3 = x/9
c) 2/5 = x/15
d) 6/9 = 5/x
e) 78/9 = 39/x
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Answer:
ytfdjyuguuc
Step-by-step explanation:
yfullk;ljknlm
Help me please! First answer and correct gets brainlist!
4. Carlos rolls a number cube twice.
(a) What are all the possible combinations for the two rolls? Use an organized list.
(b) What is the probability of rolling a 1 and a 2 when order does not matter? What is the probability of rolling a 1 on the first roll and a 2 on the second roll?
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Answer:
1,2
2,4
1,3
1,4
2,3
3,4
4,5
1,5
2,5
3,5
1,6
2,6
3,6
4,6
1/6 chance if rolling a one
1/6
how many minutes are there in 8 hours
Answers
Answer:
480 minutes
Step-by-step explanation:
60 minutes in 1 hour
? minutes in 8 hours
[tex]\frac{60}{1} =\frac{?}{8}[/tex]
[tex]?=60*8[/tex]
[tex]?=480[/tex]
So, there are 480 minutes in 8 hours.
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Answer:
Mitch: 4: 9 6: 11 8: 13 10: 15
Lewis: 2: 4 4: 6 6: 8 8: 10 10: 12
Corky: 2: 5 4: 7 6: 9 8: 11 10: 13
Step-by-step explanation:
:) hope this helps!
Mitch : 11,15,19,23
Lewis: 7,,11,15,19,23
Corky: 7,11,15,19,23
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Answer:
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Step-by-step explanation:
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Answer:
t=8w
Step-by-step explanation:
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Answers
Answer:
Shown Below
Step-by-step explanation:
You could A, add 0.75 until you get close to 5 or multiply it by 6.
You can buy six colored pencils
Answer:
B
Step-by-step explanation:
Multiply 0.75 *6 and it gives you the number 4.50 and round 4.5 which gives you 5
The table below shows the ages of employees under 30 at a company and their annual salaries.
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Answer:
A
Step-by-step explanation:
A
Explanation:
It’s the only one where it shows 24yr olds making 34k