please help me on questions 19-21 using this diagram attached
and no links
and only 19-21
Have a good day!!
Answers
19. TX
20. O and I can’t see the other bottom of the cube
21. WS
Hope this helps *smiles*
Sorry if it’s wrong
Related Questions
please help
answer choices are:
A. 46°
B. 67°
C. 115°
D. 134°
Answers
Answer:
134°
Step-by-step explanation:
∠BAC = ∠BCA because it is an isosceles triangle
∠XCA = ∠XAC . Congruent angles
∠XAC = 1/2(46) = 23° . because CE bisects ∠ C
∠XCA = 23°
180° - 23° - 23° = 134° . Sum of all angles in a triangle is 180°
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
Prove this
1-tan^2x/1+tan^2x=cos^2x-sin^2x
Answers
Answer:
see explanation
Step-by-step explanation:
Using the identity
tan x = [tex]\frac{sinx}{cosx}[/tex]
Consider the left side
[tex]\frac{1-tan^2x}{1+tan^2x}[/tex]
= [tex]\frac{1-\frac{sin^2x}{cos^2x} }{1+\frac{sin^2x}{cos^2x} }[/tex] ( multiply numerator and denominator by cos²x to clear fractions
= [tex]\frac{cos^2x-sin^2x}{cos^2x+sin^2x}[/tex] ← ( cos²x + sin²x = 1 ]
= cos²x - sin²x
= right side , thus proven
what is 200 rounded to the nearest ten
Answers
Answer:
200.
Step-by-step explanation:
-------- 200 -------
Hope that helps.
A fisherman can row upstream at 1 mph and downstream at 4 mph. He started rowing upstream until he got tired and then rowed downstream to his starting point. How far did the fisherman row off the entire trip took 5 hours?
Answers
He rowed for 4 miles
it took him 4 hours to get upstream which is 4 miles and since he can do 4 miles per hour down stream it only took him an hour to get back to the starting point which is 5 hours in total.
10. You bought a two magazine for $5 and some notepads for $3 each. You spent a total of $37. How many notepads did you buy? WILL NEED WORK WILL GIVE BRAINLIEST
Answers
Answer:
You bought 9 notepads.
Step-by-step explanation:
Buying two $5 magazines will cost $10. That means there's still $27 left to spend on notepads. If one notepad costs $3, then 27 / 3 = 9.
Answer:
9
Step-by-step explanation:
5x2=10
10+3x=37
3x=37
x=9
btw = notepads ur welcome!
Farmer Lee wants to plant tomatoes and cucumbers together in rows. He has 54 tomato plants and 48 cucumber plants, and he wants each row to be the same.
Answers
6x9 = 54
6x8 = 48
Evaluate the Expression (y+2)2 when y = -4
Answers
Answer:
4
Step-by-step explanation:
(y+2)^2
Let y = -4
(-4+2)^2
Parentheses first
(-2)^2
Exponents
4
Answer:
-4
Step-by-step explanation:
y = -4
Substituting y in the equation,
(-4+2)2
(-2)2 [Negative x Positive = Negative]
=> -4
Kay's mother's age is six more years than twice Kay's age. The sum of their ages
is 81. Find both of their ages.
Answers
Answer:
6x81=2
Step-by-step explanation:
Find the probability of “landing” in the shaded region of the figures below. Round your answer to the nearest hundredth.
3. Square with side length 40 ft
Answers
Answer:
Area of the square:
A = a² = 40² = 1600 ft²Area of the circle:
A = πr² = 3.14*(40/2)² = 1256 ft²Probability of landing in the shaded region:
P = 1256/1600 = 0.785 or 78.5%Answer:
78.5%
Step-by-step explanation:
We can find the area of both shapes then divide to find the probability.
Square area:
40 * 40 = 1600ft²
Circle area with diameter [ 1/4πd² ]:
1/4π(40)²
1/4π(1600)
0.785(1600)
1,256
Now divide both areas to find the probability.
1256/1600 = 0.785
0.785 * 100% = 78.5%
Best of Luck!
What is the value of x in the equation 0.7x – 1.4 = -3.5?
O -7
Ο Ο Ο Ο
3
7
Answers
Add 1.4 to both sides:
0.7x=-2.1
Divide 0.7 to both sides:
x=-3
On a number line, between which two consecutive whole numbers would 78 be located?
Choose the correct answer below.
O A. 10 and 11
OB. 8 and 9
OC. 9 and 10
OD. 7 and 8
1
Answers
Step-by-step explanation: The correct question is as follows; On a number line, between which two consecutive whole numbers would 7.8 be located? Solution Here, we want to know between which consecutive whole numbers will 7.8 be located . As we know, 7.8 is a decimal, it is same as 7 + 0.8 It is greater than 7 but less than 8; Thus it is between 7 and 8
did i do it correctly if i didnt can u please answer it correctly and tell me how u did it
Answers
Answer:
You have done it wrong.
Step-by-step explanation:
4 3/7 - 5/7 = 3 5/7
We can change the equation to a improper fraction first.
4 3/7 = 4*7+3 = 31/7
31-5 = 26
Therefore the answer is 26/7.
simplify
The answer is equal to 26/7, or 21/7 + 5/7
Which is 3 5/7
Sorry but you did it wrong...
First you gonna make 4[tex]\frac{3}{7}[/tex] become 3[tex]\frac{10}{7}[/tex] ( 4 -> 3 [tex]\frac{7}{7}[/tex] - *you need to make it become the same denominator)
Lets do it: 3[tex]\frac{10}{7}[/tex] - [tex]\frac{5}{7}[/tex] = ...
Because in [tex]\frac{5}{7}[/tex] doesn't have a whole number so you will still keep 3
3[tex]\frac{10}{7}[/tex] - [tex]\frac{5}{7}[/tex] = 3.....
Next, you gonna subtract [tex]\frac{10}{7}[/tex] - [tex]\frac{5}{7}[/tex] = [tex]\frac{10-5}{7}[/tex] = [tex]\frac{5}{7}[/tex]
3[tex]\frac{10}{7}[/tex] - [tex]\frac{5}{7}[/tex] = 3[tex]\frac{5}{7}[/tex]
SO the answer for 4[tex]\frac{3}{7}[/tex] - [tex]\frac{5}{7}[/tex] is 3[tex]\frac{5}{7}[/tex]
Hope it helps, Studywell!
Marketing company said 259 emails on Monday 431 emails on Tuesday and some emails on Wednesday if the company sent about like 1300 emails over three days about how many emails did the company send on Wednesday
Answers
Answer:
610
Step-by-step explanation:
Given:
259 emails on Monday431 emails on Tuesday? emails on WednesdayTotal emails = 1300Add:
259 + 431 = 690
Subtract:
1300 - 690 = 610
So, on Wednesday 610 emails were sent out.
Hope this helped.
Please give answer to the problem.
Answers
Change the following fraction to a decimal. 8 4/5 = ?
Answers
Answer:
The answer is 8.8
Step-by-step explanation:
4/5 x 20/20 = 80/100
80/100 = .8
Step-by-step explanation:
[tex]8 + \frac{4}{5} = \frac{40 + 4}{5} \\ = \frac{44}{5} = 8.8 \\ thank \: you[/tex]
What’s A= a+b divided by 2
Answers
Step-by-step explanation:
A=a+b/2
2×A=a+b
2A=a+b
2a-a=b
a=b
hope it helps
Answer:
A=2
and B=2
Step-by-step explanation:
If you add two plus two you get four, and divided by two you get 2.
a = 5, b = 4, and c = 2. so 2a= what
Answers
Step-by-step explanation:
2a = 10 because a = 5 and 2a means 2 × a which is the same as 2 × 5 and this equals 10.
hope this helps
X. X. X =
Rewrite expression with one exponent.
Answers
Answer: x^3
Step-by-step explanation:
1. Which of the following is an example of like
terms?
a. - 16 and - 16x
b. x and x2
C, 50y and y
d. 20a and 2
Answers
A square has a side length of 21 + 11s. Select TWO equivalent
expressions that can be used to find the perimeter of the square.
PLEASE HURRY!!!
Answers
Answer:
I choose option c hope it helps
Find the equation of the circle
(x + 2)2 + (y + 5)2 = 4
tve
when it is reflected about y = 2x + 1.
Answers
Answer:
2x+4+2y+10=4
2x+2y=4-10-4
2(x+y)=-10
x+y=-10/2
x+y=-5
x+2x+1=-5
3x=-6
x=-6/3
x=-2
Consider the two grading schemes above, with a homework average of 81 a class participation average of 57 a test average of 93 and a final exam grade of 87. If you calculate your grade with both teachers, what would the higher of the two grades be?
Answers
find the domain of f/g.
Answers
Answer:
Al real numbers except 4/3
Select all solutions to the equation (2. — 4)(x + 5) = 0.
x = -1/2
x = 1/2
x = -2
x = 2
x = -5
x = 5
Answers
Answer:
At, x=-5
Step-by-step explanation:
(2-4)(x+5)=-2×0
A rectangle has a width of 3 units. The rectangle's length is 5 times its width.
What is the area of the rectangle?
Answers
Answer:
Answer= 45 units
Step-by-step explanation:
lengths = 3 units
width = 3x5= 15 units
area= length times width= 3x15= 45 units!
Hope this helps :)
If de=4x+10 Ef=2x-1 and df= 9x-15 find df
Answers
Step-by-step explanation:
Assuming that de + ef = df, we can create the expression:
(4x + 10) + (2x - 1) = 9x - 15
Combine like terms to get:
6x + 9 = 9x - 15
The rest is basic algebra after this point.
6x + 9 = 9x - 15
-6x +15 -6x +15
______________
24 = 3x ----> x = 8
Next, plug the x value into the df equation to find df.
df = 9(8) - 15
df = 72 - 15
df = 57
Find the volume of this object.
Use 3 for 1.
V=7r2h
Volume of a Cylinder
4 ft.
12 ft
Answers
Answer:
504 ft^3
Step-by-step explanation:
Ok, so we have the equation for the cylinder as well as the rectangular prism. Basically we're just going to find the volume of each of them separately and then add them together.
Let's start with the cylinder:
V(cylinder) = pi*r^2*h
pi = 3
d = 4ft
r = d/2 = 4/2 = 2ft
h = 12ft
V(cylinder) = (3)*(2^2)*(12)
V(cylinder) = 3*4*12
V(cylinder) = 144 ft^3
Now the rectangular prism:
V(rectangular prism) = l*w*h
l = 10ft
w = 6ft
h = 6ft
V(rectangular prism) = 10*6*6
V(rectangular prism) = 360 ft^3
Now we can add them together:
V(total) = 360 + 144
V(total) = 504 ft^3
100 POINTS PLEASE HELP!!!!
Answers
Answer:
a. F=1.8c + 32
b. 71.6 degrees Fahrenheit
c. c=(F-32)/1.8
d. 28.3 degrees Celcius
Step-by-step explanation:
a. Given the two data points we can create an equation in slope-intercept form.
The y-intercept is 32
Slope can be found by doing 212-32/100-0 = 180/100 = 1.8
F=1.8c + 32
b. We can use this formula to solve for Fahrenheit
F=1.8(22)+32
F=71.6 degrees
c. Isolate c
F-32=1.8c
(F-32)/1.8=c
d. We can use this formula to solve for Celcius
(83-32)/1.8=c
c= 28.3333333 degrees
We can round that to 28.3 degrees Celcius
Answer:
a)F =1.8C +32
b) f(22) = 68 F
c) C = 5/9F -17 7/9
d) 28.3
slope= 5/9
B= -17 7/9
Step-by-step explanation:
x1 y1 x2 y2
0 32 100 212
(Y2-Y1) (212)-(32)= 180 ΔY 180
(X2-X1) (100)-(0)= 100 ΔX 100
slope= 1 4/5
B= 32
Y =1.8X +32
Can someone plz help me it’s my last question plz (question 2)
Answers
Answer:45 ish
Step-by-step explanation:
6 (-2g - 1) = (13g + 2)
what is g?
Answers
Answer: g = -0.32
Step-by-step explanation:
Given
6 (-2g - 1) = (13g + 2)
Expand parentheses and apply the distributive property
6 · (-2g) - 6 · 1 = 13g + 2
-12g - 6 = 13g + 2
Add 12g on both sides
-12g - 6 + 12g = 13g + 2 + 12g
-6 = 25g + 2
Subtract 2 on both sides
-6 - 2 = 25g + 2 - 2
-8 = 25g
Divide 25 on both sides
-8 / 25= 25g / 25
[tex]\boxed{g=-0.32}[/tex]
Hope this helps!! :)
Please let me know if you have any questions