I don’t know what letters go in what order, an explanation would be appreciated
Answer:
Step-by-step explanation:
Congruent triangles:8) AC = DC Given
BC = EC Given
∠ACB ≅ ∠DCB Vertically opposite angles are congruent
ΔACB ≅ ΔDCB SAS congruent9) RS = TS Given
SU =SU Reflexive property
∠RSU = ∠TSU Given
ΔRSU ≅ ΔTSU SAS congruent
I need this solved please
Answer:
Below in bold.
Step-by-step explanation:
The 3 angles of a triangle sum to 180 degrees, so:
if one angle is x degrres the other id 2x, and:
x + 2x + 60 = 180
3x = 180 - 60 = 120
x = 120/3 = 40
So m<B = 40 and m < A = 80 degrees.
please #3 is wrong i need help i only need the answer to it
3x² + 4
3.-3.-3 + 4
27 + 4
31
hope it helps...!!!
Answer:
31
EXPLANATION
[tex] = 3 \times { - 3}^{2} + 4 \\ = 3 \times 9 + 4 \\ = 27 + 4 \\ = 31[/tex]
Expression in simplest form
Answer:
[tex]-x^{3} -9x^{2}[/tex]
Step-by-step explanation:
I think.
Pls give Brainliest.
help pls, how do i answer this one
Answer:
h > 24
Step-by-step explanation:
h/3 > 8
so basially you move the number three from the left side to the right side
so from division to multiplication
h > 8 x 3
h > 24
Solved !
Hope it helped ! Have a nice day !
If you do these 2 problems you get 100 points
Answer:
BELOW
Step-by-step explanation:
DO I HEAR 100 POINTS? Yes.
For the first image, that answer is A.
For the second image, I'm a bit confused on which problems you want me to do, so I'll do number 10, 11, and 14.
10) Yeah, you're correct, it is J.
11) (1,-6), (-2,-5), (8,2) (4,0) and I can't see the last point so..
14) Can't see the question :(
#1
x-4y≤-12-4y≤-x-124y≥x+12y≥1/4x+3Put (0,0)
0≥0+3 is falseShading will be away from origin.
y inetercept
y=3(when x=0)Check the direction of line by taking 4 and -4
y=4/4+3=y=4y=-4/4+3=-1+3=2The graph should bend down on left side while rise up in right side
Option A
#2
5x-4y>4-4y>-5x+44y<5x-4y<5/4x-1Putting origin in it
0>-1Shading away from origin
And
x+y<2y<2-xPutting origin
0<2Shading towards origin
Option B as shading should be downwards hereAn experiment involves placing the males and females of a laboratory animal species in two separate controlled environments. there is a limited time available in these environments, and the experimenter wants to maximise the number of animals subject to the constraints described. how many males and how many females will maximise the total number of animals? males females time available environment a 20 min 25 min 800 min environment b 20 min 15 min 600 min
15 males and 20 females would maximize the total number of animals
How to determine the number of males and females?The table is given as:
Males Females Time available
Environment a 20 min 25 min 800 min
Environment b 20 min 15 min 600 min
Represent the male with x and the female with y.
The time available is limited i.e. ≤
So, the constraints are:
20x + 25y ≤ 800
20x + 15y ≤ 600
Solve the above system of inequalities graphically (see attachment)
(x, y) = (15,20)
Hence, 15 males and 20 females would maximize the total number of animals
Read more about maximizing functions at:
https://brainly.com/question/16826001
#SPJ1
Prove cos^2 t+4cos t+4/cos t+2=2sec t+1/sec t
[tex]\text{L.H.S}\\\\=\dfrac{\cos^2 t +4\cos t +4}{\cos t +2 }\\\\\\=\dfrac{(\cos t)^2 + 2\cdot 2\cos t+2^2}{\cos t +2}\\\\\\=\dfrac{(\cos t +2)^2 }{\cos t +2}\\\\\\=\cos t +2\\\\\\=\dfrac 1{\sec t} +2\\\\\\=\dfrac{2\sec t +1}{\sec t}\\\\\\=\text{R.H.S}\\\\\text{Proved.}[/tex]
A polar curve is represented by the equation r1 = 7 + 4cos θ.
Part A: What type of limaçon is this curve? Justify your answer using the constants in the equation.
Part B: Is the curve symmetrical to the polar axis or the line theta equals pi/2 Justify your answer algebraically.
Part C: What are the two main differences between the graphs of r1 = 7 + 4cos θ and r2 = 4 + 4cos θ?
Answer:
a. dimpled: 4 < 7 < 2·4
b. not symmetrical about θ = π/2
c. r2: smaller, cardioid
Step-by-step explanation:
The general form of the equation for a limaçon can be written ...
r = a·cos(θ) +b
This equation gives rise to 4 types of limaçon based on the relationship between a and b:
looped: b < acardioid: a = bdimpled: a < b < 2aconvex: 2a ≤ b__
A.We have a=4, b=7, so a < b < 2a. The limaçon is dimpled.
B.The equation is not the same if θ is replaced by π/2 -θ. The curve is not symmetrical about θ = π/2.
C.The equation for r2 ...
gives a cardioid limaçongives a limaçon with a smaller diameter (radial extent)The four small circles are identical. The total area of the small circles is 64pi square inches. What is the area of the larger circle? Write your answer in terms of pi .
Answer:
64 in²
Step-by-step explanation:
I did not ever do a problem like this, however this is the beauty of math, you can easily reverse engineer it.
Remember,
A = [tex]\pi r^2[/tex]
And if we have 4 circles that means the area of one circle is 1/4th the total
So,
[tex]A=\frac{\pi r^2}{4}[/tex]
Assuming that 16 is the radius squared times 4 lets ignore that squared for now because when going backwards we would get rid of the squared last as that was the first step.
[tex]A=\frac{16\pi }{4}=\frac{4\pi }{1}=4\pi[/tex]
Now lets get it back to by square rooting the 4
[tex]A=\sqrt4\pi =2\pi[/tex]
The radius of one small circle is 2. Therefore; the diameter would be 4 for each. This in mind we know that two small circles diameters make up the radius of the larger circle we will multiply it by two again.
This gives us a final radius of the bigger circle of 8
Therefore, the area of the bigger circle is 8² which simplifies to 64
And a final answer of
64[tex]\pi[/tex] in²
Hope this helps :)
In parallelogram M NOP, PK = 5x and K N = n2 – 14.
What is PN?
A. 7
B. 36
C. 70
D. 100
Answer:
C.) 70
Step-by-step explanation:
The line PN is made up of PK and KN (PN = PK + KN). We also know that PK must equal KN (definition of a parallelogram). Therefore, you can set the value of both lines equal to each other, solve for x, then add them together to find PN.
PN = ?
PK = 5x
KN = n² - 14
PK = KN <----- Both lines must equal one another
5x = n² - 14 <----- Substitute values in
0 = n² - 5x - 14 <----- Subtract 5x from both sides
0 = (x - 7)(x + 2) <----- Factor
x = 7 x = -2 <----- Set both parentheses equal to 0
The value for "x" can be 7 and -2. However, it does not make sense to use a negative value in this situation. If we were to plug -2 into the equations, it would result in lines with a negative value. Therefore, "x" must be 7. Next, plug this value in for "x" to find the numerical value of PK and KN.
PK = 5x -----> 5(7) = 35
KN = n² - 14 -----> (7)² - 14 = 35
The fact that these are equal makes sense. Now, add these two numbers to find the value of the overall line.
PK + KN = PN
35 + 35 = 70
Therefore, C.) 70 is the value of PN.
3x^2 - x + 4 and 2x- 4x^2 - 7
Answer:
Step-by-step explanation:
3x^2 - x + 4 and 2x- 4x^2 - 7
3x^2 - x + 4 = no solution
2x- 4x^2 - 7 = no solution
Part 1: What is the mean score, rounded to the nearest whole number?
Part 2: What is the median score?
Part 3: What is the mode score?
THIS IS NOT A QUIZ DONT REMOVE
I need help to find the equation and measures pls help me.
Answer:
Equation: 2x + x = 180
x = 60
∠GFH = 120
∠CBD = 60
Step by step:
Use 2x + x = 180 because the angles are on a straight line meaning they have a sum of 180:
2x + x = 180
3x = 180
3x/3 = 180/3
x = 60
Now just substitute:
∠CBD = x = 60
∠GFH = 2x = 120
Step-by-step explanation:
u didn't showed me but I will help u
here is your answer
What is the answer to:
-4(2x+2) <-40
Answer: x > 6
Step-by-step explanation: -4(2x+2) < -40
-8x - 8 < -40
+8 +8
-8x < 48
/-8x /-8x
x > 6 *The less than sign got flipped to a greater than sign because we divided by a negative.
what is log_{6}6^{3} in an equivalent form
[tex]\log_6 6^3\\\\=3 \log_6 (6)~~~~~~~~~~~~~~~~;[\log_b m^n = n \log_b m]\\\\=3 \cdot 1~~~~~~~~~~~~~~~~~~~~~~;[\log_a a=1]\\\\=3[/tex]
The diagram show a circle centre 0. write down the mathematical name of
Answer:
(a) sector
(b) chord
(c) tangent
Step-by-step explanation:
sector: a sector in a circle is enclosed by two radii and an arc.chord: this is a straight line that divides the circle into two unequal partstangent: a tangent touches a circle in only one point without entering inside the circle.PLSSS HELP IF YOU TURLY KNOW THISS
Answer:
C. 1/4
Step-by-step explanation:
Step 1
Make the fraction denominators the same!
1/2 will become 4/8 over here, and 2/8 is already good!
Step 2
Subtract the new fractions!
4/8 - 2/8 is easy! It's 2/8
Step 3
Simplify the answer (2/8)
2/8 will become 1/4 when simplified
Hence, the final answer is 1/4or C
Sam is using the expression M/8n in class. What is the value of this expression when m = 4 and n = 1/2
Answer:
1
Step-by-step explanation:
m/8n > 4/8(1/2) ( since its 1/2 all you need to do is change the fraction to whole number which is 1/2 = 0.5)
The given will become 4/4 then simplest form is 1
Anybody want to help with math? :)
(x^5y^2-x^3y^2+xy-1)-(x^5y^2-x^4y^2-x^3y^2-x^2y+xy-1)
Ty :)
Attached images. :)
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Comment if it's confusing, I would love to explain. <3
How is the sample space related to a probability model?
Answer:
The sample space S for a probability model is the set of all possible outcomes.
How do I match these?
Step-by-step explanation:
fgx= x+6
g(f(x)=√x²+6
am not sure about the rest
Please help me on this!
Answer:
A. The initial amount of medicine.
Step-by-step explanation:
Same explanation as the one I answered before. The 250 is the original value.
What is the surface area of the cylinder with a raidus of 4 and a high of 10 square meters? Use 3.14 for pi.
Answer:
351.68 m²
Step-by-step explanation:
surface area of cylinder = 2πrh + 2πr²
r = 4m
h = 10m
2πrh + 2πr² = 2*π*4m*10m + 2*π*(4m)² = 2*3.14*4m*10m + 2*3.14*4m*4m = 351.68 m²
Volume of a standard cereal box l=8in w=3in h=11in
i have the radius i need the center
[tex]\boxed{\sf (-3, -1)}\boxed[/tex]
Can anyone help please, Thanks.
how can i solve 8+3(2x-7)=11x
Answer:
x = -13/5
Step-by-step explanation:
8+3(2x-7) = 11x
8 + 6x - 21 = 11x
8 - 21 = 11x - 6x
-13 = 5x
-13/5 = x
Geometry given right triangle ABC with altitude BD drawn to hvpotenuse AC. If AD = 8
and BD = 4, what is the length of DC?
Answer: 2
Step-by-step explanation:
All items in a clothing store are on sale for the same percentage off the original price.
•The original price of a pair of pants is $20.
• The sale price of the pants is $15
• The original price of a shirt is $16
Enter the sale price, in dollars, of the shirt
Answer:
$12 is the sale price of shirt.
Explanation:
Calculate the percentage of sale
[tex]\sf \rightarrow \sf \dfrac{15}{20} *100[/tex]
[tex]\sf \rightarrow \sf 75 \%[/tex]
Then find the sale price of shirt
original price * percentage of sale
$16 * 75%
$12
Answer:
$12
Step-by-step explanation:
Method 1First, calculate the sale discount as a percentage using the given information about the pants.
$20 = Original price of pants$15 = Sale price of pants[tex]\sf percent\:change=\dfrac{|final\:value-initial\:value|}{initial\:value} \times 100[/tex]
[tex]\implies \sf percent\:change=\dfrac{|15-20|}{20} \times 100=25\%[/tex]
Therefore, the clothes are on sale with a 25% discount.
This means they are 75% of the original sale price, as 100% - 25% = 75%
To find the sale price of the shirt, we simply need to find 75% of the original selling price of the shirt:
75% of $16
= 0.75 × $16
= $12
Method 2Using ratios of original price : sale price, where x is the sale price of the shirt:
pants → 20 : 15
shirt → 16 : x
Therefore, as the ratios are the same:
20 : 15 = 16 : x
⇒ 20/15 = 16/x
⇒ 20x = 16 · 15
⇒ 20x = 240
⇒ x = 240 ÷ 20
⇒ x = 12
