Pythagorean theorem - please help
answer:
x = 4[tex]\sqrt{2}[/tex] or 5.6568
step-by-step explanation:
know the formula and plug informula: a^2 + b^2 = c^2
now plug in what we havewhatever the RIGHT ANGLE points to is the HYPOTENUSE or cthe other two sides are the "legs" or a and ba^2 + b^2 = c^2
7^2 + b^2 = 9^2
49 + b^2 = 81
b^2 = 32
b = 4[tex]\sqrt{2}[/tex]
in this case, b would be used as xx = 4[tex]\sqrt{2}[/tex] or 5.6568 (exact value)
In a packet of 40 skittles , 30% are red . How many skittles are not red ?
Answer:
28
Step-by-step explanation:
hope i helped you!!!
Answer:
28 skittles are not red
Step-by-step explanation:
20 of the cats at the pet store are white, which is 25% of all of the cats. How many cats are there at the pet store?
Answer:
the
Step-by-step explanation:
Answer:
80
Step-by-step explanation:
25%X4=100%
20X4=80
HELP ME FIND THE MEASURES OF THESE ANGLES PLEASE!!!!!!!!!!!!!!!!!!!!!
1: 121, 2: 59, 3: 59
This is for the first graph because if you look at the bottom half of a circle is 180 so since one is 121 you just have to subtract 121 from 180 and you have your answer
Hola, ayudenme a hacer esto por fa, doy muchos puntos u,u
Answer: Hi, help me do this by fa, I give a lot of points u,u
Step-by-step explanation:
Answer:
de donde viene la hoja asi la investigo y te digo las respuestas :)
Step-by-step explanation:
WORTH 15 POINTS:
Karl is replacing his concrete driveway with rectangular pavers. Each paver has an area of 4.5 square feet. Karl's driveway is 21 feet long and 18 feet wide. How many pavers will he need?
Answer:
84
Step-by-step explanation:
To complete the concrete highway with pavers 84 pavers are needed.
What are the area and perimeter of a rectangle?We know the perimeter of any 2D figure is the sum of the lengths of all the sides except the circle and the area of a rectangle is the product of its length and width.
From the given information each Pavel has an area of 4.5 square feet.
And the area of the driveway can be obtained by multiplying the length and width of the driveway which is,
= (21×18) sq feet.
= 378 sq feet.
Therefore, The number of pavers needed is,
= (378/4.5).
= 84 pavers.
learn more about rectangles here :
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Walter takes 950 milligrams of an antibiotic. Every hour, his body breaks down 25% of the
drug. How much will be left after 4 hours?
Answer: 0
Step-by-step explanation: 950 x .25 = 237.5 x 4(4 hours) =950
Answer:
0
Step-by-step explanation:
I just took the test
An isosceles triangle has two congruent side lengths of 20 centimeters. The base of the triangle is 10 centimeters. Find the height of the
isosceles triangle
(Use the Pythagorean Theorem & DONT GIVE ME THE ANSWER, I JUST WANT THE EQUATION) Thx :)
Answer:
(half of base)² + (height)² = (20)²
Step-by-step explanation:
In an isosceles triangle, the angle bisector from the 3rd angle to the opposite side is a perpendicular bisector, so you split the isosceles triangle into two congruent right triangles.
This technique of 'splitting the isosceles' is used a LOT.
The table below displays data that Stacy collected. What type of association exist between the data
Step-by-step explanation:
-2/3. for every 3 it increase it goes down by 2
find the perimeter and area of a square whose side measures
1)3point5 (3.5)
2)1m 20cm
I hope it helps you ❤️❤️❤️❤️
Step-by-step explanation:
perimeter:3.5+3.5+20+20=47cm
Area:L×b=3.5×20=70cm
Which expression is equivalent to 5x +10y-15?
A. 5(x-2y-3
B. 5(x5y-10
C. 5(x+2y-3
D. 5(x2y-15
Answer:
C
Step-by-step explanation:
Answer:
its a hehehehehehhehehe\
Step-by-step explanation:
I need help with numbers 17 and 11. worksheet down below :) thank you. I'm using all my points so let this be the time I use my points wisely.
(sry I dont have a lot of points. I only have 20)
Answer:
12-8+3 for the numerical and 2x=3y-6 for the algebraic expression
Step-by-step explanation
Numerical expression consists of numbers and one operation
Algebraic expression consist of multiple varaibles and constents
Answer:
numerical expression: 5+20-9= 16algebraic expression: 6p +18
please, i need help with the spider in the box question
Answer:
AB=5.39 cm
BC=5 cm
CD=5.83 cm
DE=3.91 cm
A to E=20.13 cm
Step-by-step explanation:
DE^2=2.5^2+3^2
DE^2=6.25+9
DE^2=15.25
DE=3.91
CD^2=3^2+5^2
CD^2=9+25
CD^2=34
CD= 5.83
BC^2=4^2+3^2
BC^2=16+9
BC^2=25
BC=5
AB^2=5^2+2^2
AB^2=25+4
AB^2=29
AB=5.39
5.39+5+5.83+3.91=20.13
please help quickly. thanks in advance
Answer:
a. sin 30* = sin 150*
b. sin 1* = sin 179*
a. cos 340* = cos 20*
b. cos 260* = cos 100*
Step-by-step explanation:
sine is symmetrical around x = 90*
cosine is symmetrical around x = 180*
* means degree sign of course.
Tony drove for 2 hours at a constant rate of 65 mph. It started to rain, so he slowed his rate to a constant 50 mph for 3 hours. When the rain stopped, Tony finished the trip driving at a constant rate of 60 mph for the final hour. How far did Tony travel? A. 175 mi. B. 240 mi. C. 275 mi. D. 340 mi.
Answer:
B. 240mi.
Step-by-step explanation:
Answer:
D. 340
Step-by-step explanation:
Proof: I put all the constants together to equal 340.
(not much proof but believe me)
Help me with number 2
Evaluate the expression below when x=3 and y=-5. x^2+4xy SHOW YOUR WORK
-54
-51
69
1
Answer:6
Step-by-step explanation:
-4xy
-4(1/2)(-3)
-4(-1.5)
6
Add a grocery store bananas cost $.90 each and oranges cost $.80 each Ava has $15 to spend if Ava wants to buy an equal amount of bananas and oranges at most how many of each can't you buy
Answer:
9
Step-by-step explanation:
We are given that
Cost of each banana=$0.90
Cost of each orange=$0.80
Ava have total money=$15
We have to find the number of each if Ava wants to buy an equal amount of bananas and oranges at most.
Let x be the number of each.
According to question
[tex]0.9x+0.8x=15[/tex]
[tex]1.7x=15[/tex]
[tex]x=\frac{15}{1.7}[/tex]
[tex]x=8.8\approx 9[/tex]
[tex]x=9(approximately)[/tex]
Hence, number of banana bought=9
Number of oranges bought=9
Find the distance between C(-5,4) and Q(2,0)
9514 1404 393
Answer:
√65 ≈ 8.06
Step-by-step explanation:
The distance formula is used for the purpose.
d = √((x2 -x1)² +(y2 -y1)²)
d = √((2 -(-5))² +(0 -4)²) = √(7² +(-4)²) = √(49 +16)
d = √65 ≈ 8.0622577
The distance between C and Q is √65, about 8.06 units.
Find the slope: (-2,5) and (2,1
11. The slope of a line is 1/5. Label the two right
triangles with dimensions that would allow the
triangles to lie on the same line.
Answer:
Step-by-step explanation:
If the slope is 1/5, we can interpret this as rise/run = 1/5. We could (if we wished to do so) find the hypotenuse by using the Pythagorean Theorem:
hypo = +sqrt( 1^2 + 5^2)
In this case we dilate the triangle defined by the slope 1/5:
2/10, 1/10/(1/2), 10/50, etc., all represent right triangles whose hypotenuses lie on the same line (the line with slope 1/5).
The two right triangles are shown in the graph
What are coordinates?The coordinates in rectangular cartesian system are of the form -
(x, y)
where -
{x} - distance along x - axis.
{y} - distance along y - axis.
Given is the slope of the line as - {m} = 1/5.
Refer to the graph attached. The line -
y = (1/5)x
is plotted. It can be seen that (0, 0) and (10, 2) lie on the line. For two right triangles to lie on the same line, draw two perpendiculars from point (10, 2) along the {x} axis and {y} axis. Refer to the triangles shown in the graph.
Therefore, two right triangles are shown in the graph.
To solve more questions on coordinates, visit the link below -
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Two trains, Train A and Train B, weigh a total of 443 tons. Train A is heavier than Train B. The difference of their weights is 279 tons. What is the weight of each train?
Answer:
164
Step-by-step explanation:
443-279
=164
Answer:
443 - 279 = 164
Step-by-step explanation:
so train A should be 279 pounds
and train B should be 164 pounds
So sorry i might be wrong i tried my best
-5/7 divided by -1/3
Leave your answer in fractional form.
Type your answer below as a number (example: 5, 3.1, 4 1/2, or 3/2)
Step-by-step explanation:
invert the second fraction and multiply
-5/7 * -3/1 = 15/7 = 2 1/7
PLEASE HELP ASAP GIVING 94 POINTS
The graph shows the prices of different numbers of bushels of corn at a store in the current year. The table shows the prices of different numbers of bushels of corn at the same store in the previous year.
A graph shows Number of Bushels on x-axis and Price of Corn in dollars on y-axis. The x-axis scale is shown from 0 to 14 at increments of 2, and the y-axis scale is shown from 0 to 112 at increments of 16. A straight line joins the ordered pairs 2, 16 and 4, 32 and 6, 48 and 8, 64 and 10, 80 and 12, 96.
Previous Year
Number of Bushels
Price of Corn (dollars)
2
12
4
24
6
36
8
48
Part A: Describe in words how you can find the rate of change of a bushel of corn in the current year, and find the value. (5 points)
Part B: How many dollars more is the price of a bushel of corn in the current year than the price of a bushel of corn in the previous year? Show your work. (5 points)
Answer:
A: Every time you go up 2 bushels, you go up 16 dollars.
B: 4 dollars more. Work: 16 - 12.
Step-by-step explanation:
Answer:
ITS 2
Step-by-step explanation:
PART A: EVERY TIME YOU GO UP 2, YOU GO UP 12
PART B: 8-6=2
t - 7 for t= 20
it’s for math
Answer:
20-7=13
Step-by-step explanation:
If t is 20 then you just do 20-7
Answer:
t-7=13
Step-by-step explanation:
If t =20 then your equation is 20-7.
80 students each study one of three languages. 31 study french. 28 study German. 21 study Spanish. One student is to picked at random Write down the probability that the student picked french
Answer:
if it random then I think that the student prob. is 1/3 because there are three options
Step-by-step explanation:
Are 25 milligrams lighter or heavier than 25 centigrams
Please help it's for homework and it says explain too so please help
Answer:
25 mg. is lighter than 25 cg.
Step-by-step explanation:
Well,
The prefix "milli" means thousandth and the prefix "centi" means hundredth. So a milligram will be one-tenth of a centigram.
10 mg. = 1 cg.
25 mg. = 2.5 cg.
2.5 cg. < 25 cg.
25 mg. is lighter than 25 cg.
Answer:
25 milligrams are lighter, because 1 milligram equivales to 1 gram multiplied by 100.
Step-by-step explanation:
y - 7.74 = 9.1
solve for y
Answer:
y = 16.84
Step-by-step explanation:
y - 7.74 = 9.1
=> y = 9.1 + 7.74
=> y = 16.84
-33 is greater than x .
Answer:
-33>x
Step-by-step explanation:
a rectangular field has as dimensions 49 m and 36 m calculate the length of the side of square having the same area as the fieldI want the solution
Answer:
length =25m
breadth =16m
area of rectangle =25*16
according to question
area of rectangle =Area of Square
Area of squre =400m
Side *Side =400m
(Side)=(20m)
Side =20m