Answers
Answer:
x=12
Step-by-step explanation:
60°+60°+5x=180°
5x=60°
x=12
Answer:
x = 12
Step-by-step explanation:
60 + 60 + 5x = 180
120 + 5x = 180
5x = 60
x = 12
Related Questions
A 18-foot ladder is placed against a vertical wall of a building, with the bottom of the ladder standing on level ground 7 feet from the base of the building. How high up the wall does the ladder reach?
The ladder reaches ___ feet up the wall. (Round to the nearest hundredth.)
Answers
Do you have any answer choices? That would help a lot.
The ratio of boys to girls is 2 to 3. If there are 90 students in the band, how many of them are boys?
Answers
Answer:
36
Step-by-step explanation:
We can make an algebric equation.
2x+3x=90
5x=90
x=18
Since we wanna find the boys, we multiply the boys ratio with our x value.
2x=2•18=36 boys
help please I’ll mark brainliest
Answers
Answer:
a. east
b. 60 feet per second
Step-by-step explanation:
did this a while ago.
a. -180 is east, 120 is east. the car is traveling east because it is moving positive. read the last sentence of the description.
b. to calculate velocity you do time times position. in this case position is 60 and time is 1 so 60*1 is 60. so it is 60 feet per second.
Which of the following are solutions to the equation below?
Check all that apply.
(3x - 5)2 = 19
Answers
Answer:
Take the square root of each side of the equation to set up the solution for
x
(
3
x
−
5
)
2
⋅
1
2
=
±
√
19
Remove the perfect root factor
3
x
−
5
under the radical to solve for
x
.
3
x
−
5
=
±
√
19
The complete solution is the result of both the positive and negative portions of the solution.
Tap for more steps...
x
=
√
19
3
+
5
3
,
−
√
19
3
+
5
3
The result can be shown in multiple forms.
Exact Form:
x
=
√
19
3
+
5
3
,
−
√
19
3
+
5
3
Decimal Form:
x
=
3.11963298
…
,
0.21370035
…
The solutions of the of the equation are,
⇒ x = 3.12
⇒ x = 0.21
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
We have to given that;
The expression is,
⇒ (3x - 5)² = 19
Now,
We can simplify the expression for the solutions as;
⇒ (3x - 5)² = 19
Take square root both side,
⇒ √(3x - 5)² = √19
⇒ (3x - 5) = √19
Add 5 both side,
⇒ 3x - 5 + 5 = √19 + 5
⇒ 3x = √19 + 5
⇒ 3x = ± 4.36 + 5
⇒ 3x = 4.56 + 5
⇒ 3x = 9.36
Divide by 3;
⇒ x = 9.36 / 3
⇒ x = 3.12
And, 3x = - 4.56 + 5
3x = 0.64
x = 0.64/3
x = 0.21
Thus, The solutions of the of the equation are,
⇒ x = 3.12
⇒ x = 0.21
Learn more about the mathematical expression visit:
brainly.com/question/1859113
#SPJ7
HELP!!!! YOU GET 70 POINTS!!!! AND BRAINLIEST!!!!!
The area of the base of a right square pyramid is multiplied by 5, but the height is unchanged. What is the volume of the new pyramid divided by the volume of the original pyramid?
A. 5
B. 25
C. 125
D. 225
Answers
A). 5
Step-by-step explanation:I took the test :>
Answer:
A
Step-by-step explanation:
I took the quiz on EDGE 2022.
Please help! I will give brainliest to the first correct answer!
Answers
Answer:
Step-by-step explanation:
Brainist to who answers this!
Answers
Answer:
13t² + 2t + 9
Step-by-step explanation:
(9t² - 3t + 5) - (-4t² + 5t + 4)
Solving like terms
-(-4t²) becomes + 4t²
(9t² + 4t²) + (-3t + 5t) + (5+4) =
13t² + 2t + 9
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
can i have help please i don't know the answer
Answers
Answer: 1.75=5n
Step-by-step explanation:
1.75 is being divided by n 5 times
PLEASE HELP!!!!
What is the probability that a student is in the 11th grade or plays football?
Answers
Answer:
40.4
Step-by-step explanation:
I used a calculator
Cynthia uses 15 1/2 gallons of gas while driving 310 miles in her car. What is the unit rate of miles per gallon?
no links please
Answers
Answer:
20 mi/gal
Step-by-step explanation:
310/ 15.5 = 20
Please I need help ASAP! I don't know any of the answers. For the second question, I accidentally clicked on it.
Answers
A,B,C,D
Because if the spinner was spinning on time it would have either landed on any of the given parts a,b,c,d once
PART B:
A and B
They are equally likely to occur because both of them have a portion of 90 degrees.
Hopefully my answer helped :)
Find the Area of the below triangles #s 1 & 2 (Show all work)
Area =
1. H = 4 in.
B = 15 in.
Area =
2. H = 8 in.
B = 15 in.
Answers
Answer:
1) 30 in²
2) 60 in²
Step-by-step explanation:
a = (1/2)bh
----------------------
h = 4
b = 15
a = 1/2 * 4 * 15
a = 30 in²
----------------------
h = 8
b = 15
a = 1/2 * 8 * 15
a = 60 in²
You are constructing a 95% confidence interval using the information: n = 60, x-bar = 65.5, s = 2.5, and E = 0.70. What is the value in the middle of the interval?
Answers
Answer:
65.5
Step-by-step explanation:
Using the relation :
Xbar ± Margin of error
Margin of Error = Zcritical * s/√n
The Zcritical value at 95% = 1.96
Hence,
Margin of Error = 1.96 * 2.5/√60
Margin of Error = 1.96 * 0.3227486
Margin of Error = 0.6326
Lower boundary = 65.5 - 0.6326 = 64.867
Upper boundary = 65.5 + 0.6326 = 66.133
(64.867 + 66.133) / 2
4x = 2(x-5)-2 can you solve please
Answers
4x=2(x-5)-2
4x=2x-10-2
4x=2x-12
2x=-12
x=-6
Answer:
x = -6
Step-by-step explanation:
4x = 2(x-5)-2
2 * x = 2x
2*-5 = -10
4x = 2x - 10 -2
4x = 2x - 12
4x - 2x = 2x
2x = -12
-12/2 = -6
x = -6
If your initial principal is $243 and your principal in 2 years is $1,359.19, how much interest did you earn?
Answers
Answer: $1,116.19
Step-by-step explanation:
If you invested $243 and this increased to $1,359.19 in two years, the difference between your investment and its current worth is the interest:
= Current principal - Initial principal
= 1,359.19 - 243
= $1,116.19
Can u solve i will give Brainiest plz need it urgently
Answers
What is one thing that you learned in math in this past year that you were proud to have accomplished? Take a few sentences to tell me about it.
Answers
Answer:
absolutely nothing
Step-by-step explanation:
lol im joking but i have learned how to use a bar model and how to use a x and y axis
Answer:
Well, I think my best accomplishment was being able to pass Algebra, I don't think I would be where I am had I not had the best teacher in the world, and honestly I thank her so much for having the patients to deal with me, an anxiety filled ADHD, hyper teen
Step-by-step explanation:
PLZ HELP!!!
if p = -1,-1 find the image of p under the following rotation 270 counterclockwise
Answers
Because the rule for 270 counterclockwise is (y,-x)
Answer: -1, 1
Step-by-step explanation:
The other answer is valid.
What is the slope of the straight line that goes
through (5, 4) and (9, 2) ?
Answers
Answer:
[tex] - \frac {1}{2} [/tex]
Step-by-step explanation:
Slope of the line
[tex] = \frac{4 - 2}{5 - 9} \\ \\ = \frac{2}{ - 4} \\ \\ = - \frac{1}{2} [/tex]
Can someone plz help me plz I beg u plz
Answers
Answer:
A.... X=3
Step-by-step explanation:
X = 3 cuz 3x3 is 9 which would be equal to the other side when you add it with the other 2 blocks
What are the domain and the range of this function?
•< •≤ •-5 •-4 •1 •7
D: ?, ? | X: ?, ?
R: ?, ? | Y: ?, ?
Answers
Answer:
The domain is the set of x -coordinates, {0,1,2} , and the range is the set of y -coordinates, {7,8,9,10} . Note that the domain elements 1 and 2 are associated with more than one range elements, so this is not a function.
Step-by-step explanation:
this is an example
A small airplane climbs at an
angle of 18° with the ground.
Find the horizontal distance it
has flown when it has reached an
altitude of 800 m.
a) 2,462 m
b) 260 m
c) 761 m
d) 2,588 m
e) 841 m
Answers
Answer:
Choice C, 761 m
Step-by-step explanation:
let horizontal distance be x
in the right triangle, cos= adj/hyp
cos(18)=x/800
x=cos(18)×800= 760.845≈ 761
A group of 3 friends are splitting fruit salad at a picnic. If each person gets 11 pieces, how many total pieces of fruit are there?
Answers
Answer:
33 Pieces total
Step-by-step explanation:
find the common factor of the following monomials
Answers
Answer:
[tex]7x^{3}[/tex]
Step-by-step explanation:
Find the prime factor of each term to find the GCF. 7 is the GCF of both 21 and 28.
jada and diego are practing the piano for sn upcoming rehersal the table list the number of minutes each of them practiced in the past few weeks jadas practice time 10 10 20 15 25 25 8 15 20 20 35 25 40. Diegos practice time 25 10 15 30 15 20 20 25 30 45. plz help
Answers
Answer:
jadas practice time is 168 minutes or 2 hours 48 minutes. Diegos practice time is 235 minutes or 3 hours 55minutes hope this helps! have a nice day and good luck with your test!
Step-by-step explanation:
What is the value of x
Answers
Answer:
E. 128°
Step-by-step explanation:
X+52°=180°X=52°-180°X=128°If a rectangle has its length 8cm and breadth 6cm find length of diagonal
Answers
Answer:
the length of the diagonal is 10cm
Step-by-step explanation:
C²=8²+6²
C²= 64+36
C²=100
√C²=√100
C=10cm
F(x)=4x^2+3x+13
Find f(1)
Answers
Answer:
f(1) = 42
Step-by-step explanation:
Step 1: Switch all x out to 1 for f(1) which would look like this: f(1)=4(1)^2+3(1)+13
Step 2: You would then simplify it starting with 4(1)^2 which would equal 4 squared which equals 16.
Step 3: After simplifying you would have f(1)=16+3+13
Step 4: You then just add and get 42
Hope this helped :D
Each envelope in the class contains the same number of triangles and quadrilaterals. Write an expression that
represents the total number of sides in the room.
Answers
Answer: 3t+4q.
Step-by-step explanation: Triangles have 3 sides, so there will be 3 sides for each triangle in the envelope. This is represented by 3t. Quadrilaterals have 4 sides, so there will be 4 sides for each quadrilateral in the envelope. This is represented by 4q. The total number of sides will be the number of triangle sides and the number of quadrilateral sides together.
Find the volume of the prism shown.
Answers
Answer:
41.16 m³
Step-by-step explanation:
Volume = area triangle x height
1/2(2.8x4.2) = 1/2( 11.76) = 5.88
5.88 x 7 = 41.16
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K