Answer:
First add 4 to each side
Step-by-step explanation:
7x−4≤19
First add 4 to each side
7x−4+4≤19+4
7x≤23
Then divide by 7
7x/7≤23/7
x≤23/7
I NEED THIS ASAP!!!!!!!!
Answer:
A
Step-by-step explanation:
A: -a/-b=c (negative number divided by negative number is positive number A is correct)
B: -a x b =c (negative number times positive number is become a negative number so correct answer is -c B is wrong)
C: -a/b=c (negative number divided by positive number is become a negative number so correct answer is -c C is wrong)
D: -a x -b=-c (negative number times negative number is become a positive number so correct answer is c D is also wrong)
Hey PLZZZZ HELP!
The profits earned in a year by some companies in a city are shown below: Company Profit A $160,000 B $140,000 C $130,000 D $1,120,000 E $150,000 Based on the data, should the mean or the median be used to make an inference about the profits earned by these companies? Mean, because it is in the center of the data Median, because it is in the center of the data Mean, because there are no outliers that affect the mean Median, because there is an outlier that affects the mean
Answer:
mean because there is an outlier
Step-by-step explanation:
since there is an outlier that affected the mean which is company D, it can only be mean because the outlier is too big.
PLEASE HELP ASAP!
Consider the 720 permutations of the numbers 1, 2, 3, 4, 5, 6. In how many of these permutations do exactly 3 of the numbers end up in the positions where they started?
The set {1,2,3,4,5,6} has a total of 6! permutations
a. Of those 6! permutations, 5!=120 begin with 1. So first 120 numbers would contain 1 as the unit digit.
b. The next 120, including the 124th, would begin with 2.
c. Then of the 5! numbers beginning with 2, there are 4!=24 including the 124th number, which have the second digit =1
d. Of these 4! permutations beginning with 21, there are 3!=6 including the 124th permutation which have third digit 3
e. Among these 3! permutations beginning with 213, there are 2 numbers with the fourth digit =4 (121th & 122th), 2 with fourth digit 5 (numbers 123 & 124) and 2 with fourth digit 6 (numbers 125 and 126).
Lastly, of the 2! permutations beginning with 2135, there is one with 5th digit 4 (number 123) and one with 5 digit 6 (number 124).
∴ The 124th number is 213564
Similarly reversing the above procedure we can determine the position of 321546 to be 267th on the list.
find surface area of the square pyramid!!! pls i need help with explaining!!!!!
Answer:
39 square yards
Step-by-step explanation:
The base is a square, so the area is 3 x 3 = 9.
Each side is a triangle, and the formula for that is (1/2)(base)(height)
The base of each side is 3 and the height of each is 5. There are 4 of those, so it's 4 x (1/2)(3)(5) = (2)(3)(5) = 30
Add the base and sides
30 + 9 = 39
Answer:
39 yards
Step-by-step explanation:
surface area = A + [tex]\frac{1}{2}[/tex] ps
A = area of the base
p = perimeter of the base
s = slant height
the base of the pyramid is a square, all sides and angles are equal
; 3 yards
; area of a square = l x w
; area of the base = 9 yd (A)
perimeter of the base ; 3 + 3 + 3 + 3 = 12 yd (p)
slant height = 5 yd (s)
; sub it into the formula
surface area = 9 + [tex]\frac{1}{2}[/tex] x 12 x 5
surface area = 39 yd
Which two statements about the volumes of the prisms are true?
Find x please im desperate.
If the cross section of a triangular prism is parallel to its base, what shape will the cross section be?
Answer:
It will be a hexagon
Step-by-step explanation:
Help please?!!!!!!!!:8/8/&
Answer:
The answer is A) y =3x + 3
Step-by-step explanation:
You substitute the gradient and y intercept into the equation of y = mx +b
Which of the following is equal to 2?
Answer choices:
A. 6 + 4 divided by (2 + 1) x 3
B.(6 + 4 divided by 2) - 1 x 3
C.6 + (4 divided by 2) + 1x3
D.(6 + 4) divided by 2 - 1 x 3
NO LINKS!!!!
(trigonometry question)
-I'll give branliest as a reward-
Answer:
AC=2.868
Step-by-step explanation:
using pythagoras theorem
take 35 degree as reference angle
hypotenuse =5 , opposite =AC , adjacent=BC
using sin rule
sin 35=opposite/hypotenuse
0.5735=AC/5
0.5735*5=AC
2.8675=AC
2.868=AC
A chemist has 60 ounces of a mixture. She wishes to perform many trials in an experiment and will use 2/3 ounce of the mixture for each trial. How many trials can she perform? Simplify the answer.
Answer:
3/1=1/3
Step-by-step explanation:
split the 60 ozs to 3
Luciana is starting a two-week social media campaign to attract new subscribers to BlastOn, a music website for teens. She has the following data from her last campaign to help plan her strategy.
Based on this data, what should be Luciana’s strategy for the new campaign?
If your answer is incomplete or confusing PLEASE DO NOT write the answer down. Or YOU will be REPORTED!!!!
Answer:
Luciana should post 5 social media posts per day.
Step-by-step explanation:
When Luciana posts 5 posts in a day, she gains more subscribers than any other amount of posts.
hope this was useful
Find the value of x please.
Answer:
83
Step-by-step explanation:
its a guess bc its a right triangle and right triangle is 90 degrees minus 7 is 83
Answer:
I think it is 93 degrees
Step-by-step explanation:
A triangle has a full angle of 180 degrees
47+47 = 94
180-94=86
x-7=86
x = 93
which angles are adjacent to each other ? select all that apply
Determine whether each element of the set {7,8,9} makes the inequality 2x−3<15 true.
Answer: 7- true 8- true 9- false
Step-by-step explanation:
which angles are complementary to 3 ? Select all that apply
Answer:
4
Step-by-step explanation:
giving brainlist tobfastest and correct
Answer:
A is your answer
I NEED HELP ILL GIVE BRAINLY BUT PLZ EXPLAIN NOT GUESSES
Bro ,, The values are ,, These are absolute correct answers.
1.45 degrees
2.45 dehrees
3.135 degrees
4.135 degrees
5.45 degrees
6.135 deegres
please give brainliest
Answer:
Step-by-step explanation:
for first fox
let it be x
x + 135 degree = 180 degree (being straight line)
x = 180 - 135
x = 45 degree
therefore figure upper box is 45 degree
for box that is just below 135 degree
first fox = box just just below 135 degree
45 degree = box just below 135 degree
for box that is just below 45 degree
box that is just below 45 degree = 135 degreee (being vertically opposite angles)
for the box that lies on the left side of the transversal
let the fourth box that les on the left side be x
135 + x = 180 degree (being co interior angle)
x = 180 - 135
x = 45 degree
for the box that lies on the right side of the transversal .Let it be y
45 + y = 180 degree
y = 180 - 45
x = 135 degree
y = last box that lies on the left side of 45 degreeing vetically opposite angles)y
last box = 135 degree
Help with math earn 10 points
Answer:
2 I think
Step-by-step explanation:
Hi this is 7th grade geometry with screenshot
Answer:
80
Step-by-step explanation:
ㄥAEC+160=180
ㄥAEC=20
ㄥAEC+x+80=180
20+x+80=180
x=80
There is a more simple method
x+80=160
x=80
helppp plzzzz...also give steps..plz
Answer:
4.5 cm
Step-by-step explanation:
The volume of a sphere is given by
V = 4/3 pi r^3
121.5 pi = 4/3 pi r^3
Divide each side by pi
121.5 = 4/3 r^3
Multiply each side by 3/4
3/4 *121.5 = 3/4 * 4/3 r^3
91.125 = r^3
Take the cube root of each side
(91.125)^ (1/3) = r^3 ^(1/3)
4.5 = r
X,Y and Z are three points on a unit sphere (i.e. a sphere with radius 1). The space
distance between any pair of the three points is √2 . An ant can only
crawl on the surface of the sphere. The ant starts from point X, passes through points Y and Z, and then returns to X. What is the shortest possible distance of this trip?
Answer:
The shortest possible distance is 5/3*pi.
Step-by-step explanation:
Answer:
The shortest possible distance is 5/3*pi.
Step-by-step explanation:
Petra jogs 4 miles in 36 minutes. At this rate, how long would it take her to jog 12 miles?
Answer:
90 minutes or 1 hour and 30 minutes.
Step-by-step explanation:
HELP ASAP!!! (KHAN ACADEMY...USE IMAGES)
Answer:
8/3 is the unit rate of change
for graph: second point on the line coordinates will be (3,8)
helpppp plzzz...plz give steps
Answer:
Volume of hemisphere =
[tex] \frac{2}{3} \pi \: r {}^{3} [/tex]
Given volume =
[tex]18\pi \: cube[/tex]
[tex] \frac{2}{3} \times \frac{22}{7} \: {r}^{3} = 18 \times \frac{22}{7} [/tex]
So pi is there on both the sides so it will be cut from both LHS and RHS
[tex] \frac{2}{3} \times r {}^{3} = 18[/tex]
[tex]2 \times r {}^{3 } = 18 \times 3[/tex]
[tex]2 \times r {}^{3} = 54[/tex]
[tex]r {}^{3} = \frac{54}{2} [/tex]
[tex]r {}^{3} = 27[/tex]
[tex]r = 3[/tex]
Therefore value of r=3 inches
If you are helped with my answer pls tag me brianliest I really want it... Plzz
THANK YOU
Pls, help due today!
Answer:
ok
Step-by-step explanation:
PLEASE HELP. BRAINLEST IF CORRECT
Answer:
4/9
Step-by-step explanation:
Just need to know the unit rates ! Will make brain !!
Answer:
bar bar bar bar bar barar bavr
Please help..write expanded form of the expression
Note: Enter your answer and show all the steps that you use to solve this problem in the space provided.
Solve the following equation.
U + 2 = 4
Answer:
U=2
Step-by-step explanation:
This is a simple one-step algebraic equation. In algebra to solve equations, you should use the properties of equality. The properties say that an equation remains true as long as the same thing happens on both sides. For this equation, the property of subtracting should be used; this property states that the same number can be subtracted from both sides. To find U, isolate the variable by subtracting 2 from both sides. This leaves U=2.
