Select all possible cross sections of a sphere.
A
point
B
square
circle
D
triangle
Answer:
The only cross sections a sphere has is a circle.
How many times bigger is a group of 21 marbles than a group of 7 marbles?
Answer:
21/7=3
3 times bigger.
Step-by-step explanation:
Paco goes to the store and buys a carton of eggs. The carton has 4 rows of eggs. There are 6 eggs in each row. Then he buys 8 bagels. How many eggs and bagels does Paco have altogether? Its a? I got from school and I need help.
Answer:
32
Step-by-step explanation:
If there are 6 eggs in a row and there are 4 rows, the total number of eggs = 6 x 4 = 24 eggs
The sum of eggs and bagels = 24 + 8 = 32
Solve two and one third times four fifths
Answer:
1 13/15 is your answer
Step-by-step explanation:
2 1/3 x 4/5 = 1 13/15
IF YOU KNOW MATH PLS HELP ME
Answer:
x ≈ 2.55
Step-by-step explanation:
Since the triangles are congruent then DE ≡ AB , that is
DE = AB
76x - 7 = x + 184 ( subtract x from both sides )
75x - 7 = 184 ( add 7 to both sides )
75x = 191 ( divide both sides by 75 )
x ≈ 2.55 ( to the nearest hundredth )
I need help answering this question for trig equations.
Sec^2x+4secx=-4
Answer:
x = 120°
Step-by-step explanation:
We are given;
sec²x + 4secx = -4
Rearranging gives;
sec²x + 4secx + 4 = 0
Factorizing the left hand side gives;
(sec x + 2)(sec x + 2) = 0
This means that;
(sec x + 2) = 0
From trigonometry, we know that sec x = 1/cos x
Thus;
(1/cos x) + 2 = 0
1/cos x = -2
cos x = -1/2
cos x = -0.5
x = cos^(-1) -0.5
x = 120°
heyy pls help with these math questions hurry!
Answer:
m=2/5, y=3x7, (7,0), y=x-2, (0,-2)
Step-by-step explanation:
please help 20 points !!!! right answers please
Answer:
0.6 inch
Step-by-step explanation:
The volume of a sphere is calculated through the equation,
V = 4πr³/3
Which means that the radius is calculated by the equation,
(3V/4π)^(1/3) = r
Substituting,
Sphere A, (3x30/4π)^(1/3) = r = 1.927 in
Sphere B, (3x10/4π)^(1/3) = r = 1.336 in
When we subtract the radius, we get an answer of 0.59 inch. Therefore, the answer to this item is approximately 0.6 inch.
The price of a video game was reduced from $70.00 to $40.00. By what percentage was the price of the video game reduced? Justify your answer.
Whoever gets it correct will get brainliest
Answer:
Step-by-step explanation:
Percent change=100(final-initial)/initial
100(40-70)/70=-3000/70
approximately -42.86%
A salesperson earns a commission of $378 for selling $2100 in merchandise find the commission rate write your answer as a percentag
Answer:
18%
Step-by-step explanation:
Given data
commission = $378
sales =$2100
Hence the percentage is given as
= 378/2100*100
=0.18*100
= 18%
Hence the percentage commission is 18%
can someone help? i need help ♀️
Answer:
Mean: 29.6
MAD: 10
Step-by-step explanation:
Answer:
Mean = 29.6
MAD = 10
Step-by-step explanation:
For the mean, just add all of the points together and divide it by 10 since there are 10 games.
For the MAD, use the mean and subtract is from each of the games. As an example, just do 23-29.6 and ignore if it is a negative sign. Do it for all and then add up the leftovers. Then divide it by the 10 games.
(6.6+1.4+1.6+8.4+10.6+8.4+15.4+4.6+26.6+16.4)/10
Check out a khan academy video about it if you're having trouble
please help!!!!!!!!!!
Answer:
5x+3
Step-by-step explanation:
Answer:
5x + 3 = y
Step-by-step explanation:
y represents the answer
3 more means +3
Product is the answer when two or more values are multiplied together.
So, three more than the product of 5 and x would be 5x + 3 = y
Naomi's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 39 regular coffees and 11 decaffeinated coffees. What percentage of the coffees served were regular?
Answer:
Ok it would be 78% or 39/50 or 0.78
Step-by-step explanation:
total number of coffes: 50
number of regular coffees: 39
Isaac buys 17 anti-pollution masks for £5.25 each.
He pays with five £20 notes.
a) How much change should Isaac get?
Write your answer in £.
Answer:
£10.75
Step-by-step explanation:
£5.25 x 17 = 89.25
5 £20 notes is £100
£100 - £89.25 = £10.75
Answer: £10.75
Step-by-step explanation:
£5.25 x 17 = 89.25
5 £20 notes is £100
£100 - £89.25 = £10.75
The ratio of men to women working for a company is 7 to 5. If there are 312 employees total, how many women work for the company
What is an equation of the line that passes through the points (4, -5) and (2, 0)?
Answer:
y = - [tex]\frac{5}{2}[/tex] x + 5
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m = [tex]\frac{y_{2}-y_{1} }{x_{2}-x_{1} }[/tex]
with (x₁, y₁ ) = (4, - 5) and (x₂, y₂ ) = (2, 0)
m = [tex]\frac{0+5}{2-4}[/tex] = [tex]\frac{5}{-2}[/tex] = - [tex]\frac{5}{2}[/tex] , then
y = - [tex]\frac{5}{2}[/tex] x + c ← is the partial equation
To find c substitute either of the 2 points into the partial equation
Using (2, 0 )
0 = - 5 + c ⇒ c = 0 + 5 = 5
y = - [tex]\frac{5}{2}[/tex] x + 5 ← equation of line
WHO EVER ANSWERS FIRST GETS BRAINLEST
When rolling a regular
six sided number cube
400 times, how many
times can you expect to
get a number greater
than one?
Answer: 99%?
Step-by-step explanation:
PLEASE HELP :))
3
Solve for x.
6
12
5
r-1
Answer:
12 is the answer
Step-by-step explanation:
12 is the answer
if the length of the longest side of the rectangle is 20cm find the shaded area to the nearest hundredth PLEASE HELPP !
Answer:
150pi
Step-by-step explanation:
lets just say the two circles are 10 and 10 in diameter. so, one square is 5 radius. The square is 25pi area. so two are 50pi area. the area of the rectangle is 200, so 150pi
Please tell me if I'm wrong D:
Determine the unknown angle in the triangle pictured below: pls help me /.
Answer:
60
Put the Brainlest please
What does the ratio 6:30 fully simplify to
Answer:
1:5
Step-by-step explanation:
6:30
divide 6 by 6 to get 1
divide 30 by 6 to get 5
Answer:
[tex]6:30 = \frac{6}{30}=\frac{1}{5} =1:5[/tex]
HELP meeeeee please
Answer: a = 23, b = 21, c = 136
Step-by-step explanation:
Both Kendra and maria tutor students after school. The table below shows the amount of money Kendra earned tutoring after school based on the number of hours tutored. maria calculates her earnings based on the number of hours she does using the equation P=9.1h. They each tutored 22 hours last week. who made the most money
Answer:
Maria made more money
Lainey bought a set of 20 markers for $6
What is the cost of 111 marker?
Answer:
370
Step-by-step explanation:
First find the unit rate aka price per pencil: 20 divided by 6 equals 3.333
Then find amount for all pencils
3.333 by 111 is 369.963
Then we round up to have a realistic amount of pencils to 370
solve: (3-x)(4x+3)<(2x-1)(3-x)
Please refer to the above attachment
Please help me! It’s due in few hours.
Give the coordinates of the Image if the pre-image △ JKL is dilated by 3/2.
Answer:
J'(3, 6), K'(1.5, 1.5), L'(6, 0)Step-by-step explanation:
△ JKL is dilated by 3/2
This transformation will result in the coordinates:
(x, y) → (3/2x, 3/2y)Apply the rule:
J(2, 4) → J'(3/2*2 = 3, 3/2*4= 6) = (3, 6)K(1, 1) → K'(3/2*1 = 1.5, 3/2*1 = 1.5) = (1.5, 1.5)L(4, 0) → L'(3/2*4 = 6, 3/2*0 = 0) = (6, 0)HELP ME PLEASEE IM ALREADY LATE
Answer:
sorry
Step-by-step explanation:
Answer:
4x+3x-1+x+3=8x+2=82
8x=80
x=10
3x-1=30-1=29
Step-by-step explanation:
A local movie theater has an offer that for every seven movies you pay to go see, they will give you free passes for two other movies. If you paid to see 42 movies last year, how many free passes did you receive?
_free passes
A local movie theater has an offer that for every seven movies you pay to go see, they will give you free passes for two other movies. If you paid to see 42 movies last year, how many free passes did you receive?
Answer: 12
Step-by-step explanation: 42/7 = 6 and you get 2 free passes so 6 x 2 = 12
What does the shape of the scatterplot tell you about the students that auditioned? (Need help asap)
Answer:
The more nights they practice, the better score they get.
Hope this helps
Burger = 8.00
Fries = 2.00
Drink = 1.00
Tax = 7%
Tip = 20%
Total = _______
Answer:
$13.79
Step-by-step explanation:
$8.00+$2.00+$1.00=$11.00
7%=$0.77
$11.00+$0.77=$11.77
20%=$2.02
$11.77+42.02=$13.79