Answer:
1) Yes
2) Yes
3) Yes
4) No
5) Yes
6) Yes
7) Yes
8) Yes
9) Yes
10) No
Step-by-step explanation:
The triangle inequality theorem states that the length of any 2 sides of a triangle must be greater than the third side of that same triangle.
1) By Inspection, 2 + 10 > 11.
Thus, this set can be lengths of the sides of a triangle
2) 7 + 9 > 10
Yes, this set can be lengths of the sides of a triangle
3) 11 + 7 > 12
Yes, this set can be lengths of the sides of a triangle
4) 11 + 7 < 20
No, this set cannot be lengths of the sides of a triangle
5) 10 + 8 > 13
Yes, this set can be lengths of the sides of a triangle
6) 7 + 2 > 7
Yes, this set can be lengths of the sides of a triangle
7) 5 + 12 > 13
Yes, this set can be lengths of the sides of a triangle
8) 13 + 12 > 18
Yes, this set can be lengths of the sides of a triangle
9) 11 + 3 > 13
Yes, this set can be lengths of the sides of a triangle
10) 12 + 3 < 19
No, this set cannot be lengths of the sides of a triangle
A researcher recorded the number of e-mails received in a month and the number of online purchases made during that month for 50 people with an online presence. The resulting data were used to conduct a hypothesis test to investigate whether the slope of the population regression line relating number of e-mails received to number of online purchases is positive. What are the correct hypotheses for the test?
a. H0:β1=0Ha:β1≠0
b. H0:β1=0Ha:β1>0
c. H0:β1=0Ha:β1<0
d. H0:β1>0Ha:β1=0
e. H0:b1=0Ha:b1≠0
Answer:
B
Step-by-step explanation:
College Board
divide 12 unto two parts such that
their product is 35
Think about school is not about learning it’s about maintaining good grades
Change my mind
Answer:
now that I think about it you do have a good point!, but it could be both no?
Step-by-step explanation:
have a good day! :)
The variable k represents a value in the set {-2-4-6-8}. which value of k makes 4 (1.5-k)-10=56/2 a true statement A.-2 B. -4 C. -6 D.-8
Question: The variable k represents a value in the set {-2,-4,-6,-8}. Which value of k make 4(1.5-k)-10=56/2 a true statement?
Step-by-step explanation:
https://brainly.com/question/23369106
Please help I’ll mark you brainliest
Answer:
The perimeter is 25.
Step-by-step explanation:
Darling, I'm not always accurate but I hope this helps you with math!
Match the values with the statistical measures for these data points.
20, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 26
Answer:
20, 20, 21, 22, 23, 23, 24, 24, 25, 25, 26, 26
Step-by-step explanation:
median (middle number) is (23 + 24) / 2 = 47/2 = 23.5 <== median
Q1 = (21 + 22) / 2 = 43/2 = 21.5 <== lower quartile
Q3 = (25 + 25) / 2 = 50/2 = 25 <== upper quartile
Your welcome! (Please correct me if im wrong!)
Please mark brainiest
72,-36,18,-9 find the common ratio
help me pls pls pls PPPPPPPPPPPPPPPLLLLLLLLLLLLLLLLSSSSSSSSSSSSSSSSS
Required area = 9× 5 + 6×3
= 45+18
= 63
5. a) Which figure is the mapping diagram of the relation
shown?
b) is the relation a function
Please help
Answer:
b, since the others have the input and output on the wrong sides
help please, asap. i need this done
Answer:
2
Step-by-step explanation:
15/3=5
25/5 = 5
10/2 = 5
Answer:
2
Step-by-step explanation:
You have to find the "pattern."
for 15 and 3, you have to divide 15 by 5 and thats 3.
for 25 and 5, 25/5 is 5, so 10/5 is 2.
I Need Help ;-; pls its timed
A rectangle is shown on a coordinate plane with vertices A(Negative 4, 8), B(1, 8), C(1, Negative 1), and D(Negative 4, Negative 1).
On a coordinate plane, a rectangle has 4 points. Point A is (negative 4, 8), point B is (1, 8), point C is (1, negative 1), point D is (negative 4, negative 1).
What are the dimensions of the rectangle?
The base is 4 units and the height is 9 units.
The base is 5 units and the height is 7 units.
The base is 5 units and the height is 9 units.
The base is 9 units and the height is 3 units.
Answer:
The correct answer is the third option
Step-by-step explanation:
I used a graphing calculator and also did L(W). But, the length (height) was 9 and (base) width 5
y = x + 9
3x + 8y = -5
PLEASE SHOW WORK!!!
Due TODAY!!!!!
Answer:
x=-45/11
y=10/11
Step-by-step explanation:
y = x + 9 eq 1
3x + 8y = -5 eq 2
Re arranging eq 1
x-y=-9
Now multiply eq 1 with 8
8x-8y=-40 now call as eq 3
Add eq 2 and 3
3x+8y=-5
8x-8y=-40
11x=-45
x=-45/11
put value of x in eq 2 for y
3(-45/11)+8y=-5
-135/11+8y=-5
8y=-5+135/11
8y=(-55+135)/11
8y=80/11
y=(80/11)*(1/8)
y=10/11
Check
3*(-45/11)+8*(10/11)=-5
-135/11+80/11=-5
(-135+80)/11=-5
-55/11 =-5
-5=-5
Find the solution of the system of equations.
-2x - 9y = -3
--7x - 9y = -33
Answer:
x = 6 and y = -1
Step-by-step explanation:
hope this helps
Answer:
x= 6 and y= -1
Step-by-step explanation:
-2x - 9y = -3
-7x - 9y = -33
I'm going to be solving by elimination. However, you can solve using substitution as well.
So the first step is to eliminate one of the variables. In my opinion, what's easiest is eliminating the y variables. To eliminate you want to variables (that are the same) to equal 0 and cancel out. To do this, all I have to do is subtract. When I subtract I get 0 as shown below. I will also subtract the other variables and numbers in the equations because that's how elimination works.
-2x - 9y = -3
-7x - 9y = -33
5x = 30
-2 - (-7)=5 and -3 - (-33)= 30
There's no solution for the y variable because -9 - (-9)=0, which cancels out so it doesn't have to be written.
after that you get x=6 because you divide by 5 on both sides.
All that's left is to plug in 6 to one of the equations:
-2(6) - 9y= -3
-12 - 9y= -3
+12 +12
-9y= 9
Divide both sides by -9 to get y= -1
here u go! BWABWABWABWABWA
Answer:
- 100
Step-by-step explanation:
Take 10 from both sides
t/2 + 10 - 10 = -40 - 10 Combine like terms
t/2 = - 50 Multiply both sides by 2
2*t/2 = -50*2
t = - 100
Answer:
= (-90)
Step-by-step explanation:
-90/2+10=. -80/2
2 will go into -80 ,-40 times
HELPPPPPPP PLEASE AND BRAINLY STOP ASKING ME TO WRITE MORE IM IN URGENCY
Answer: 1,431
Step-by-step explanation:
split the thing into two rectangular prisms
small prism dimensions: 18 x 2 x 3
multiply the dimensions to get 108
large prism dimensions: 7 x 21 x 9
multiply the dimensions to get 1,323
add 1,323 and 108 together to get 1,431
Tulungan niyo po Ako sa module po sa Math
Step-by-step explanation:
1a)you are asked to find the number of girls and boys who received prizes
1b)The given facts are that out of 60 pupils, 40 being boys, 20 being girls, joined a Math Quiz competition. 20%of boys and 15 of girls received prizes.
1c)40 boys +20 girls=60 pupils.
1d) Find the number of girls and boys that re ceived prizes
20% of 40 boys
20/100 ×40= 8 boys won prizes
15% of 20 girls
15/100×20=3 girls won prizes
1d) 8 boys+3 girls=11 pupils won prizes
Write 3 equivalent ratios for each ratio given.
6.25 to 1.25
Answer:
3 equivalent ratios are: [tex]\frac{62.5}{12.5}, \frac{625}{125}, 5[/tex]
Step-by-step explanation:
Ratio of a to b:
The ratio of a to b is given by:
[tex]\frac{a}{b}[/tex]
Finding equivalent ratios:
To find equivalent ratios, we multiply or divide both a and b by the same value.
6.25 to 1.25
[tex]\frac{6.25}{1.25}*\frac{10}{10} = \frac{6.25*10}{1.25*10} = \frac{62.5}{12.5}[/tex]
[tex]\frac{6.25}{1.25}*\frac{100}{100} = \frac{6.25*100}{1.25*100} = \frac{625}{125}[/tex]
[tex]\frac{\frac{6.25}{1.25}}{{\frac{1.25}{1.25}}} = 5[/tex]
3 equivalent ratios are: [tex]\frac{62.5}{12.5}, \frac{625}{125}, 5[/tex]
Howdoyouwrite
63
100
as percentage?
Answer:
Do you mean 63 over 100? If it you mean that the answer is 63%
Pleasee help ASAP! I appreciate anything, will give brainliest and try to help solve your questions if necessary.
Answer:
it 3
Step-by-step explanation:
If the base area of a cylinder is 176.625
square centimeters and the height is 3.5
centimeters, determine the volume of the
cylinder
Answer:
618.1875 cm^3
Step-by-step explanation:
Volume = base area x height, so 176.625 x 3.5 = 618.1875
Don’t waste an answer if you ain’t gonna help :)
If F(x) = x - 5 and G(x) = x2, what is G(F(x))?
Answer:Step-by-step explanation:
G(F(x))=(x - 5)²
How much money is 5 dollars, 10 dimes, and 10 pennies?
Answer:
6 dollars and 10 cents
Step-by-step explanation:
I'm sorry this isn't the answer, but I just want you to know that you are incredible and that I love you for you! You are special to everyone you meet, and should not change who you are. I know your life may be tough, but you are strong and can get through it!
hi can you please help me with my work and please no Link please no Link please
Answer:
The second one, -11/12
Step-by-step explanation:
I used a website so sorry I don't have an explanation
What is the area of triangle BCD to the nearest tenth of a square centimeter? Use special right triangles to
help find the height. Show your work.
Answer:
Area = 13.8 cm²
Step-by-step explanation:
Area of a triangle = ½*base*height
base = 4 cm
height = ?
Find height using trigonometry function:
Reference angle = 60°
Opp = height = BC
Adj = 4 cm
Apply TOA:
Tan 60 = Opp/Adj
Tan 60 = BC/4
BC = 4*Tan 60
BC = 6.92820324 ≈ 6.9 cm
✔️Area of triangle = ½*4*6.9
= 13.8 cm²
A positive angle less than 360 that is coterminal with -725 degrees is
The positive angle is less than 360 which is coterminal with -725 degrees is 85 degrees.
What are Coterminal Angles?Coterminal angles are those with the same beginning side and the same terminal sides. These angles are in the typical position, although their values differ. They have the same sides, are in the same quadrant, and their vertices are identical. The endpoint sides coincide at the same angle when the angles are rotated clockwise or anticlockwise.
An angle that is coterminal with -725 degrees is an angle that has the same initial and terminal sides as -725 degrees, but its measure is between 0 and 360 degrees.
To determine a positive angle less than 360 that is coterminal with -725 degrees, we can add or subtract multiples of 360 from -725 degrees until we get an angle within that range.
In this case, -725 degrees - (2 x 360) = -725-720= -1445.
So, the positive angle less than 360 that is coterminal with -725 degrees is -1445 degrees + 360 = 85 degrees.
To learn more about Coterminal Angles click here:
https://brainly.com/question/23093580
#SPJ2
Sarah is saving to buy a new phone. She needs $150, and she has already saved $63. Write an equation to model this situation. Let
x represent the amount of money Sarah needs.
A)
X-63 = 150
B)
x+63 = 150
X + 150 = 63
D)
X - 150 = 63
Answer:
B.
Step-by-step explanation:
x+63=150
x+63-63=150-63
x=87
She needs 87 more dollars for her new phone.
What is the area of a parallelogram that has the length of 3.5cm and the height of 2.3cm?
The diagram shows the dimensions of a triangular prism what is the volume. Click on photo to see
Answer:
36 in^3
Step-by-step explanation:
1) find the area of the triangle
A = (leg 1 x leg2)/2 = (3 x 4)/2 = 6 in^2
2) find the volume
V = base area x height = 6 x 6 = 36 in^3
Which table shows a linear function?
-4
- 1
1
2
3
у
8
2
2
4
6
-16
-8
х
-6
-2
0
1
3
-2.
2
y
0
-2