Answer:
61
Step-by-step explanation:
Definition of conguency
*figure on the right is rotated a bit
8.2 angle bisectors of triangles how do you know that the intersection of the bisectors of the angles of a triangle is equidistant from the sides of the triangle?
Intersection of angle of triangle known as incenter is equidistant from the sides of the triangle.
An angle of a triangle is divided into two congruent angles by a straight line known as the angle bisector.
The incenter is the location where the intersection of the three angle bisectors of a triangle occurs.
In the figure , I is incenter of ΔPQR.
The sides of the triangle are equally distance from the incenter.
Meaning, PI=QI=RI. The triangle's inscribed circle is a circle that contacts all three sides and has the incenter as its center and a radius equal to this distance.
The triangle can accommodate only one circle larger than this one.
An equilateral triangle will have an identical incenter and circumcenter.
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1. Find the area of the triangle below.
5.6 m
9.9 m
4.4 m
7.8 m
A. 17.16 m²
B.
19.42 m²
C.
21.78 m²
D.
24.52 m²
Answer:
21.78 m^2
Step-by-step explanation:
9.9 x 4.4 / 2 = 21.78 m^2
plzzzzzzzzzzzzzzzzzzzzzzzzzzz help me this so easy i just dumd
Write an equation for this relationship. if x represents the days and y represents the total cost.
Answer:
18.5
Step-by-step explanation:
Just add 18.5 and 55.50 and repeat with the other numbers
Answer:
x is 18.5
Step-by-step explanation:
3/55.50=18.5
same as all the others
find the lateral area and surface area of a triangular prism with a height of 6 inches and a right triangular base with legs of 9 inches and 12 inches. round to the nearest tenth, if necessary.
Answer:
Lateral surface area is 216 in²Total surface area is 324 in²----------------------
Find the hypotenuse c of the base using Pythagorean theorem:
\(c=\sqrt{a^2+b^2}\)\(c=\sqrt{9^2+12^2} =\sqrt{81+144}=\sqrt{225} =15\)Lateral surface area, three rectangular faces, is:
LSA = Ph = (9 + 12 + 15)*6 = 36*6 = 216Find base area, the area of two right triangles:
A = 2*(1/2)(9)(12) = 108Find total surface area:
TSA = LSA + Base areasTSA = 216 + 108TSA = 324A coach asked her athletes if they enjoy running. Sixty-five percent of the team do not like to run. Of those, 60% enjoy cycling, while 80% of those who enjoy running also enjoy cycling. The tree diagram shows how the athletes are divided into subgroups.
The tree diagram shows athletes branching off into two categories, enjoys running and does not enjoy running. Enjoys running branches off into two sub-categories, enjoys cycling and does not enjoy cycling. Does not enjoy running branches off into two subcategories, enjoys cycling and does not enjoy cycling.
NEED ANSWER ASAP!!! ty!
What is the total percentage of all the athletes who enjoy cycling?
22%
30%
40%
67%
Answer:
222222222222222222222%
Answer: A = 67%
Step-by-step explanation:
An insect population doubles every week. The function f(x)= 10(2)^x models the insect population after x weeks what will the population be after 4 weeks?
A.80
B.20,000
C.160
Given:
The insect population function is:
\(f(x)=10(2)^x\)
Where x is the number of weeks.
To find:
The population after 4 weeks.
Solution:
The population of insect after x weeks is given by:
\(f(x)=10(2)^x\)
We need to find the population after 4 weeks.
After substituting \(x=4\), we get
\(f(4)=10(2)^4\)
\(f(4)=10(16)\)
\(f(4)=160\)
The population after 4 weeks is 160. Therefore, the correct option is C.
The weight, in pounds, of a newborn baby tt months after birth can be modeled by the equation w=11+2t.. what is the y-intercept of the equation and what is its interpretation in the context of the problem?
The y intercept of the equation is 11. It interprets that the baby weighs 11 pounds at the time of birth.
y-intercepts are when the line touches the y-axis. To find these, find the y when x = 0 in the equation. The point for a y-intercept will look like (0,y).
w = 11 + 2t
Putting t = 0, w = 11
y intercept of the equation is 11 pounds. Implying that, the baby weighed 11 pounds at time of birth i.e., at time of month 0.
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if x=15 and y= x+27 what is y
Answer:
y equals to 42
Step-by-step explanation:
since x=15, y will equal to 15+27
therefore, y=42
i need #14 to be answered if you want you can answer more ❤️
Answer:
H-40
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
The owner of a pizza restaurant needs to buy a new pizza oven for the restaurant. The oven costs $600, is expected to last 10 years, and will be depreciated using the straight line method. If the total cash inflows from the new oven are constant at $880 for the next 5 years, and the total cash outflows are constant at $240 for the next 5 years,
determine the cash flow for the pizza restaurant in the second year assuming the tax rate is 34%.
The cash flow for the pizza restaurant in the second year, considering a tax rate of 34%, is $442.80.
To determine the cash flow for the pizza restaurant in the second year, considering a tax rate of 34%, we need to calculate the net cash flow.
Given information:
Cost of the pizza oven: $600
Expected lifespan: 10 years
Cash inflows: $880 per year for the next 5 years
Cash outflows: $240 per year for the next 5 years
Tax rate: 34%
Calculate the annual depreciation expense:
Depreciation Expense = Cost of the pizza oven / Expected lifespan
Depreciation Expense = $600 / 10 = $60 per year
Calculate the taxable income:
Taxable Income = Cash Inflows - Depreciation Expense - Cash Outflows
Taxable Income = $880 - $60 - $240 = $580
Calculate the tax amount:
Tax Amount = Taxable Income * Tax Rate
Tax Amount = $580 * 34% = $197.20
Calculate the net cash flow:
Net Cash Flow = Cash Inflows - Cash Outflows - Tax Amount
Net Cash Flow = $880 - $240 - $197.20 = $442.80
Therefore, the cash flow for the pizza restaurant in the second year, considering a tax rate of 34%, is $442.80.
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The cash flow for the pizza restaurant in the second year, assuming a tax rate of \(34\%\), is \(\$442.80\).
To determine the cash flow for the pizza restaurant in the second year, we need to calculate the net cash flow by subtracting the total cash outflows from the total cash inflows, taking into account the tax rate.
Given:
Cost of the oven: $600
Expected life of the oven: 10 years
Cash inflows per year: $880
Cash outflows per year: $240
Tax rate: 34%
First, we calculate the annual depreciation expense using the straight-line method:
Depreciation expense per year = Cost of the oven / Expected life of the oven
Depreciation expense per year =\(\$600 / 10 = \$60\)
Next, we calculate the taxable income for each year:
Taxable income per year = Cash inflows per year - Depreciation expense per year - Cash outflows per year
Taxable income per year = \(\$880 - \$60 - \$240 = \$580\)
Then, we calculate the tax payable for each year:
Tax payable per year = Taxable income per year * Tax rate
Tax payable per year =\(\$580 * 0.34 =\$197.20\)
Finally, we calculate the net cash flow for the second year:
Net cash flow = Cash inflows per year - Cash outflows per year - Tax payable per year
Net cash flow =\(\$880 - \$240 -\$197.20 = \$442.80\)
Therefore, the cash flow for the pizza restaurant in the second year, assuming a tax rate of \(34\%\), is \(\$442.80\).
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Fathi has
$
1.10
$1.10dollar sign, 1, point, 10 in his printing account. Each sheet of paper he uses reduces his printing account balance by
$
0.25
$0.25dollar sign, 0, point, 25. Fathi wants to print out a PDF document that is
47
4747 pages long. To save paper, he decides to print on both sides of each sheet and to print two pages on each side of the sheet.
After Fathi prints, what will be the balance in his printing account?
Answer:
he can buy 4 sheets of paper to print 16 pages
he will have 0.10 cents left
Step-by-step explanation:
With each piece of paper, he can print 4 pages
He has a full dollar
1/0.25 = 4
he can print 4 pages because the last 10 cents will not be enough to print another page
4 * 4 = 16
He will not be able to print all the pages
GIVING 35$ TO WHOEVER DOES THIS!
Answer:
A = 2(7) + (1/2)(4)(4 + 9) = 14 + 26 = 40 m²
Volume of a cube (cm') = width (cm) x height (cm) x length (cm). 1.1) Using the equation above, determine the volume of a cube that measures 3 cm wide, 3 cm tall, and 3 cm long. 1.2) Let's say this cube is made out of ice and has a mass of 24.76 grams (g). What is this ice cube's density? 1.3) The density of liquid water is slightly higher than that of frozen water ice. Liquid water's density at standard pressures and temperatures is 1.00 grams per cubic centimeter (g/cm'). Given that density, what is the mass of a cube of water measuring 3 cm wide, 3 cm tall, and 3 cm long? 1.4) Compare the weight of the water you calculated in question 1.3 with the weight of the ice of the same volume given in question 1.2. Which is heavier, the liquid water or the ice? Notice that the cube of water is the same size (or volume) as the cube of ice. 1.5) You know that ice floats on water. Explain why.
1.1) The volume of the cube is 27 cubic centimeters. 1.2)the density of the ice cube is approximately 0.917 grams per cubic centimeter (g/cm³).
1.3) the mass of the water cube is 27 grams. 1.4) the weight of the water and the ice would be the same under the same conditions. 1.5)In simpler terms, ice floats on water because it is lighter (less dense) than the water, allowing it to displace an amount of water equal to its weight and float on the surface.
1.1) The volume of the cube can be calculated using the equation: Volume = width x height x length. In this case, the cube measures 3 cm wide, 3 cm tall, and 3 cm long, so the volume is:
Volume = 3 cm x 3 cm x 3 cm = 27 cm³.
Therefore, the volume of the cube is 27 cubic centimeters.
1.2) Density is defined as mass divided by volume. The mass of the ice cube is given as 24.76 grams, and we already determined the volume to be 27 cm³. Therefore, the density of the ice cube is:
Density = Mass / Volume = 24.76 g / 27 cm³ ≈ 0.917 g/cm³.
Therefore, the density of the ice cube is approximately 0.917 grams per cubic centimeter (g/cm³).
1.3) The volume of the water cube is the same as the ice cube, which is 27 cm³. Given the density of liquid water as 1.00 g/cm³, we can calculate the mass of the water cube using the equation:
Mass = Density x Volume = 1.00 g/cm³ x 27 cm³ = 27 grams.
Therefore, the mass of the water cube is 27 grams.
1.4) The weight of an object depends on both its mass and the acceleration due to gravity. Since the volume of the water cube and the ice cube is the same (27 cm³), and the mass of the water cube (27 grams) is equal to the mass of the ice cube (24.76 grams), their weights would also be equal when measured in the same gravitational field.
Therefore, the weight of the water and the ice would be the same under the same conditions.
1.5) Ice floats on water because it is less dense than liquid water. The density of ice is lower than the density of water because the water molecules in the solid ice are arranged in a specific lattice structure with open spaces. This arrangement causes ice to have a lower density compared to liquid water, where the molecules are closer together.
When ice is placed in water, the denser water molecules exert an upward buoyant force on the less dense ice, causing it to float. The buoyant force is the result of the pressure difference between the top and bottom surfaces of the submerged object.
In simpler terms, ice floats on water because it is lighter (less dense) than the water, allowing it to displace an amount of water equal to its weight and float on the surface.
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hi please help will mark brainliest
Answer:
Carlie is correct he or she has the best and most were to explain the answer.
Step-by-step explanation:
PLS HELP MEMEMEMEME
Determine if triangle RST and triangle UVW are or are not similar, and, if they are, state how you know. (Note that figures are NOT necessarily drawn to scale.)
The two triangles ΔRST and ΔUVW are similar to each other by the SAS property.
What is the similarity?Two objects are said to be comparable if they have the same shape. Therefore, two figures are said to be comparable in mathematics if they share the same shapes, lines, or angles.
Given that there are two triangles ΔRST and ΔUVW. ΔRST has the angle ∠T = 59° and the sides RT = 15 units and ST = 13 units. The other triangle ΔWVU has the angle ∠W = 59° and the sides WV= 52 units and WU= 60 units.
Firstly the two angles are the same,
∠T= ∠W = 59°
The two sides are dilated by a scale factor of 4,
WV / ST = 52 / 13 = 4
WU / RT = 60 / 15 = 4
So these sides are similar.
Hence, from the SAS property, the two triangles are similar.
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Simplify the expression $17x-24x+13x$. Your answer should have the variable $x$ in it only once.
Answer:
1
Step-by-step explanation:
1+1=2
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Why is a negative times a negative always a positive?
Answer: A negative times a negative is always positive because the two negative signs are canceled out.
Step-by-step explanation:
If you seek a more in-depth explanation, Khan Academy actually has a video available on this topic!
please help me please will give brainliest
please solve that way it's said in the picture please question 1 and 2
Which expression can be used to find the difference of the polynomials? (10m – 6) – (7m – 4) [10m (–7m)] [(–6) 4] (10m 7m) [(–6) (–4)] [(–10m) (–7m)] (6 4) [10m (–7m)] [6 (–4)]
The expression can be used to find the difference of the polynomials is [10m (–7m)] [(–6) 4]
Difference of polynomials
A polynomial is a function that has a leading degree of 3 and above.
Given the expression below
(10m – 6) – (7m – 4)
Expand
10m - 6 - 7m + 4
Collect the like terms
10m - 7m - 6 + 4
Simplify
3m -2
Hence the expression can be used to find the difference of the polynomials is [10m (–7m)] [(–6) 4]
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At the Sunday market I can buy 6 avocados for $15 . what is the unit cost of each avocado ?
Answer:
$2.50
Step-by-step explanation:
Because you got 6 avocados for 15 dollars so you divide 15/6 to find out each unit cost for the avocados
Please please help I’m so confused
Answer: \(\frac{1}{9}\)
Step-by-step explanation:
When any number has a negative exponent, all the negative exponent is doing is flipping the sides.
When we plug -3 in for x we get \(-3^{-2}\).
Now just imagine the -3 in fraction form as \(\frac{-3}{1}\). And all you do now is just flip the sides to get \((\frac{1}{-3} )^{2}\)
And now apply the exponent 2 to the 1 and negative 3.
1 to the power of 2 is just 1
-3 to the power of 2 is 9.
So your answer is \(\frac{1}{9}\)
If m=5, evaluate m^18 divide by m^11
Answer:
78125
Step-by-step explanation:
Using a rule of powers, a^x / a^y = a^(x-y)This gives you m^(18 - 11) = m^7M is 5, so it would be 5^7 or 78125Peter needs to measure the slope of a cone-shaped pile of
sand. The vertical distance from the pile's peak to its base is
2.5 meters and the horizontal distance from its peak to its edge
is 5 meters. What is the slope of the pile of sand?
(Enter your answer as a decimal rounded to the nearest tenth)
Answer:
The slope of the pile of sand is 0.5
Step-by-step explanation:
Since slope = vertical distance/horizontal distance.
Here, the vertical distance from the pile's peak to its base is 2.5 meters and the horizontal distance from its peak to its edge is 5 meters.
So, we calculate the slope as
slope = vertical distance/horizontal distance where vertical distance = vertical distance from the pile's peak to its base = 2.5 meters and horizontal distance = horizontal distance from its peak to its edge = 5 meters.
slope = vertical distance/horizontal
slope = 2.5 meters/5 meters
slope = 0.5
So, the slope of the pile of sand is 0.5
The number of calories burned y
after x
minutes of kayaking is represented by the linear function y=4.5x
How many more calories are burned by doing the activity in part (a) than the other activity for 45 minutes?
The number of calories burned y after x minutes of kayaking is
How to find the number of calories burned y?You should know when we eat and drink more calories than we use up, our bodies store the excess as body fat. If this continues, over time we may put on weight
For kayaking Linear function is y=4.5x
In 45 minute means x=45
so, y=4.5x
45*45
= 20.25
That means in kayaking will burnt 20.25 calories in 45
minutes
Therefore, hiking burns more calories.
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let b={b1, b2, b3} be a basis for a vector space v and let t : v → ℝ2 be a linear transformation with the property shown below. find the matrix for t relative to b and the standard basis for ℝ2.
Answer:
.............
Step-by-step explanation:
......................................
a manufacturer of headache medicine claims it is 70% effective within a few minutes. that is, out of every 100 users, 70 get relief within a few minutes. a group of 12 patients are given the medicine. if the claim is true, what is the probability that eight have relief within a few minutes?
0.231140 is the probability that eight have relief within a few minutes .
What is probability explain with an example?
It is based on the probabilities that something could happen. The logic underpinning probability serves as the foundation for theoretical probability. A coin is tossed, for instance, and the theoretical likelihood of getting a head is 1 in 2.let X be the number of patients having relief within a few minutes out of 12 patients.
so X~ Bin(12,p) where p=0.70
so P[8 have relief within a few minutes]=P[X=8]
= ¹²C⁸ * 0.78 * 0.34
= 0.231140
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PLEASE HELP ME!!! I need the answer quick please if you can!
Answer:
angle 1 is 145°
Step-by-step explanation:
this is because à horizontal line is always 180° so you jus have to subtract 35 from 180
I will mark brainliest to the correct ans
Fritz can build a bookcase in 8 hours and Holly can build the same bookcase in 10 hours. After working together for 3 hours, Fritz leaves how long will it take holly to finish the bookcase by herself?
Holy will take 13/5 or 2.6 hours to finish the bookcase.
What is relation between time and work?The relation between time and work is
Work Done = Time Taken × Rate of Work ·
or, Rate of Work = 1 / Time Taken ·
or, Time Taken = 1 / Rate of Work ·
Now it is given that,
Time taken by Fritz to build a bookcase = 8 hours
So, Bookcase build by Fritz in 1 hour = 1/8
Similarly,
Time taken by Holly to build a bookcase = 10 hours
So, Bookcase build by Holly in 1 hour = 1/10
So, bookcase build in 3 hours
Fritz = 3/8
Holly = 3/10
Total bookcase build in 3 hours = 3/8 + 3/10 = 27/40
So. remaining work = 1 - 27/40 = 13/40
Thus, Time taken by Fritz to complete the bookcase = 8 * (13/40) hours
= 13/5 or 2.6 hours
Thus, Holy will take 13/5 or 2.6 hours to finish the bookcase.
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Write and evaluate the expression. Then, select the correct answer two less than the quotient of a number and four, increased by ten evaluate when m = 12
2 + 4m -10, when m = 11, the value is 40
4m + 2 +10, when m = 11, the value is 60
2 -StartFraction m Over 4 EndFraction 4m + 10, when m = 12, the value is 9
StartFraction m Over 4 EndFraction-2+10, when m = 12, the value is 11
Answer:
D
Step-by-step explanation:
I just did it