Answer:
210
Step-by-step explanation:
We can get 10% of 300 by doing 300 / 10 which is 30. 70 / 10 is 7, so we need 7 lots of 10% to work out 70%. Therefore, 30 * 7 students said that their favourite colour was blue, which is 210.
Answer:
210
Step-by-step explanation:
So 70% OF 300 students said their favorite color was blue
OF means multiply and 70% is equal to .70 so,
.70 x 300 = the number of students that said their favorite color was blue
=210
So, the number of students that said their favorite color was blue is 210 students. :)
Given F(x)=x-7 and g(x)=x squared find g(f(4))
Answer:
g(f(4)) = -3
Step-by-step explanation:
f(x)=x-7
g(x) = x
g(f(4))
f(4) = 4-7
f(4) = -3
g(-3) = -3
What is the value of X in the equation -3 over four equals X over 24
Answer:
I think it's -18
Step-by-step explanation:
24 divided by 4 is 6. what you do to one has to be done to the other. so -3 times 6 equals -18.
Answer: -18
Step-by-step explanation:
The table shows the number of tickets sold and the profit made at a fundraiser.
Tickets Sold
Profit
2
$18
4
$36
6
$54
8
$72
Which describes the relationship between the number of tickets sold and the profit?
Answer:
This is pretty simple, it tells you that two tickets are worth $18, to figure out how much one would cost you just divide 18/2 and that would equal $9. So Your answer would be Each ticket sold yields $9 of profit.
Here, Let, Number of Ticket = x
Sold profit = y
Then, relation would be: 18/2 = 9
y = 9x
In short, Your Answer would be Option B) "Each ticket sold yields $9 of profit"
Hope this helps!
Answer:
its B: Each ticket sold yields $9 of profit.
Step-by-step explanation:
Which of the following square roots is a rational number?
Your answer:
T
75
12
18
Answer and Step-by-step explanation:
None of the square roots shown, 75, 12, 18 are rational.
Answer:
square root of 1. the answer is A.
75, 12, 18 square roots are not rational
8.176 divied by 0.56
Answer:
14.6
Step-by-step explanation:
Answer to this is 14.6.
Answer:
14.6 is the answer
Step-by-step explanation:
8.176/0.56 = 14.6
What is the median of the following data set? 24, 18, 32, 48, 90
Answer: 32
Step-by-step explanation: The median is the middle number in the data set when the data set is written from least to greatest.
So let's write our data set from least to greatest.
18, 24, 32, 48, 90
So the median is the middle number or 32.
Answer:
The median is 32.
Step-by-step explanation: To find the median:
Step 1: Put all the numbers in order from least to greatest.
Step 2: Cross out the other numbers until you get to the middle.
Step 3: Once you cross out all the numbers evenly, the only number remaining is 32.
Hope this helps!
Which pair of angles are complementary but not adjacent?
Answer:
1 and 3
Step-by-step explanation:
because 5 and 3 have the same value and since 5 and 1 add up to 90 degrees, 3 and 1 must also add up to 90 degree
Angles ∠1 and ∠3 are complementary but not adjacent.
Complementary angles are two angles that add up to 90 degrees.
Adjacent angles are two angles that share a common vertex and a common side.
In the image, angles ∠1 and ∠3 share a common vertex, but they do not share a common side. They are also not adjacent to each other, as there is an angle in between them (angle ∠4).
The measure of angle ∠1 is 48 degrees. The measure of angle ∠3 is 42 degrees. Therefore, angles ∠1 and ∠3 add up to 90 degrees, making them complementary angles.
To learn more about pair of angles, here
https://brainly.com/question/11838535
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A rectangular piece of paper has an area of 119 square Inches and a perimeter of 48 inches What are the dimensions of the paper?
Answer:
17in by 7in
Step-by-step explanation:
17x7=119
17+17+7+7=48
An equation of a line with a slope of - 4/5 that passes through the point (5,3)
Answer:
y = -(4/5)x + 7
Step-by-step explanation:
recall that the point-slope form of a linear equation is given as
y - y₁ = m (x - x₁)
in our case, we are given
slope, m = -4/5
and a point (x₁, y₁) = (5,3)
hence we simply substitute these values into the equation
y - y₁ = m (x - x₁)
y - 3 = -(4/5) (x - 5) (we will simplify this to convert to slope-intercept form)
y - 3 = -(4/5) (x) - (-4/5)(5)
y - 3 = -(4/5)x +4 (add 3 to both sides)
y = -(4/5)x +4 +3
y = -(4/5)x + 7
What is the product of Three-fourths and Negative StartFraction 6 over 7 EndFraction?
Answer:
-9/14
Step-by-step explanation:
product of Three-fourths and Negative StartFraction 6 over 7 EndFraction
[tex] = \frac{3}{4} \times \bigg( - \frac{6}{7} \bigg) \\ \\ = \frac{3 \times ( - 6)}{4 \times 7} \\ \\ = - \frac{18}{28} \\ \\ = - \frac{9}{14} \\ [/tex]
Answer:
-9/14 so the answer is B
Step-by-step explanation:
Hope this helps
solve for X: 5X +2 = 4X -9
Answer:5X+2=4X-9\quad :\quad X=-11
Step-by-step explanation:
5X+2=4X-9
5X+2-2=4X-9-2
5X=4X-11
5X-4X=4X-11-4X
X=-11
Answer:
[tex] \boxed{ \bold{ \huge{ \boxed{ \sf{ \: \: X \: = - 11}}}}}[/tex]
Step-by-step explanation:
[tex] \sf{5 \: X + 2 = 4 \: X - 9}[/tex]
Move 4 X to left hand side and change it's sign
Similarly, move 2 to right hand side and change it's sign
[tex] \longrightarrow{ \sf{5 \: X - 4 \: X = - 9 - 2}}[/tex]
Collect like terms
[tex] \longrightarrow{ \sf{X = - 9 - 2}}[/tex]
The negative and positive integers are always subtracted but posses the sign of the bigger integer
[tex] \longrightarrow{ \sf{X = - 11}}[/tex]
Hope I helped!
Best regards! :D
(05.05)The coordinates below are the three vertices of a rectangle. Identify the fourth coordinate and the area of the rectangle.
(2, 7), 28 units squared
(2, 7), 45 units squared
(7, 2), 28 units squared
(7, 2), 45 units squared
Answer:
D. (7,2) 45 units squared
Step-by-step explanation:
fourth coordinate would be (7, 2)
area = 9 x 5 = 45
so the answer is (7,2) 45 units squared
Answer:
D
Step-by-step explanation:
Also give the other guy brainist
Jonathon has 3/4 pound of grapes. How many 1/8 pound servings can Jonathon make from his grapes? Do not include units. *
Answer:
This would be 6 of 1/8 pound of serving
Answer:
6 out of 1/8
Step-by-step explanation:
In order to test for the significance of a regression model involving 14 independent variables and 255 observations, the numerator and denominator degrees of freedom for the critical value of the fare is:___________.
A. 14 and 255
B. 255 and 14
C. 13 and 240
D. 14 and 240
Answer:
C; 13 and 240
Step-by-step explanation:
Here in this question, we are to give the numerator and the denominator degrees of freedom.
Mathematically;
the numerator degrees of freedom = number of variables - 1 = 14 -1 = 13
The numerator degrees of freedom = number of observations- numerator degrees of freedom - 1
= 255 - 14-1 = 255-15 = 240
The critical value of the fare is options c. 13 and 240.
Calculation of the critical value:Since the numerator degrees of freedom should be
= number of variables - 1
= 14 -1
= 13
Now
The numerator degrees of freedom should be
= number of observations- numerator degrees of freedom - 1
= 255 - 14-1
= 255-15
= 240
Therefore, the correct option is c.
learn more about denominator here: https://brainly.com/question/17681702
The dimensions on a blueprints indicate that 1 inch equals 3.5 feet. If one wall of a room on the blueprint is 6 inches, whats the actual length of the wall
Answer:
21 feetStep-by-step explanation:
The problem bothers on the dimension of a scaled drawing/prototype
The indications on the blueprint actually represent the scale
that is 1 inch: 3.5 feet
Given that a wall is 6 inches on the blueprint, now, in reality, the actual
length will be 3.5*6= 21 feet
what is a scaled drawing?Usually, the scale is given as a ratio. A drawing, which has been reduced or enlarged or a drawing whose dimensions have been changed to a particular size other than its previous or initial size is a scaled drawing.
3m+km= -n-8 solve for m
Answer:
m = [tex]\frac{n+8}{3+k}[/tex]
Step-by-step explanation:
Rhonda had $300 to buy supplies for the animal shelter. She bought 8 bags of dog food and 11 leashes. Each bag of food cost $25.19, and each leash cost $4.65.
How much money did Rhonda have left after her purchases?
A. $11.65
B. $14.29
C. $22.91
D. $47.33
Answer:
47.33
Step-by-step explanation:
Hey there! I'm happy to help!
We have 8 bags of dog food and each costs $25.19
8(25.19)=201.52
And we have 11 leashes each costing $4.65.
11(4.65)=51.15
We add these totals up.
201.52+51.15=252.67
We subtract this from 300 to see how much is left.
300-252.67=47.33
Rhonda had $47.33 left after her purchases.
Have a wonderful day! :D
Answer:
d
Step-by-step explanation:
In a faraway land, there are 72% white people. There are 30% of people have a particular disease. And if you randomly select a person, that person has 20% chance of being white and have the disease. (a) What proportion of students are non-white and who is healthy? (b) Kelly’s race is white, what is the chance that she has this disease? (c) Are the events of being white and having the disease independent events? (d) If you randomly select 10 people, what is the chance that 2 have the disease?
Answer:
Step-by-step explanation:
Let the probability of people being white be P ( W ) and being diseased
be P ( D )
Given
P ( W ) = .72 , P ( D ) = .3
P ( W∩D ) = .2
a )
P ( [tex]W^c[/tex] ∩ [tex]D^c[/tex] ) = P[tex]( WUD)^c[/tex] = 1 - P ( W U D )
= 1 - [ P( W ) + P ( D ) - P ( W ∩ D ) ]
= 1 - ( .72 + .3 - .2 ) = .18
b )
P ( D / W ) = P ( W∩D ) / P(W) = .2 / .72 = .27778
c )
No , because
P ( W∩D ) = .2
p ( W) x P ( D ) = .72 x .3 = .216
so P ( W∩D ) is not equal to P ( W) x P ( D )
d )
We shall apply binomial distribution
chance = 10C₂ x .3² ( 1 - . 3 )⁸
Distance from Starting Point of Spring (inches) 6 2 1 7 Weight on Spring (kilograms) Part A According to the graph, what is the constant of proportionality in kilograms per inch? (Note: This is also called the spring constant. The spring constant is determined by the spring's material and design.)
Answer:
The constant of proportionality is the number of kilograms that will stretch the spring by 1 inch. When y = 1, x = 1/3, so the constant of proportionality in kilograms per inch is 1/3.
Maya is saving up to buy a new jacket. She already has $30 and can save an additional $10 per week using money from her after school job. How much total money would Maya have after 6 weeks of saving? Also, write an expression that represents the amount of money Maya would have saved in w w weeks.
Answer:10(6)+30=90
And
10w+30
Step-by-step explanation:
During a recent infestation by beetles, 2/3 of the ash trees in a local park were
destroyed. If 150 trees were destroyed, how many ash trees were originally in the
park?
215
225
180
200
Answer:
Step-by-step explanation:
225
Pentagon ABCDE was enlarged:
What is the ratio of enlargement to the original? Convert the ratio to a percent.
Answer/Step-by-step explanation:
The ratio of the enlargement to the original = A'E' to AE = A'E':AE = A'E'/AE
AE = 2.5
A'E' = 4
Ratio of the enlargement to the original = 4:2.5 = 1.6:1
To convert to percentage, divide 4 by 2.5 and multiply by 100.
[tex] = \frac{4}{2.5}*100 [/tex]
[tex] = 1.6*100 [/tex]
[tex] = 160 percent [/tex]
Enteroliths are calcifications that form in the gut of horses. The stones can cause considerable morbidity and mortality. A study was conducted to investigate factors (such as diet and environment) that may be related to the formation of enteroliths. Housing is a variable that is coded " 11 " for horses that live in a stall, " 22 " for horses that have access to a small paddock, " 33 " for horses that have a large paddock, " 44 " for horses that live in pasture, and " 55 " for other housing. Housing is a:
Answer:
Housing is a categorical variable
Step-by-step explanation:
Housing. i.e where the horses stay. have an effect on the investigative factors ( diet and environment )that the horses will be exposed to
Housing is a categorical variable because it has more than one categories ( stall, small paddock, large paddock , pasture ) attached to it without any form of intrinsic ordering attached to it
(01.05 MC)The total charge on 7 particles is -42 units. All the particles have the same charge.
Answer:
[tex]Unit\ Charge = -6\ units[/tex]
Step-by-step explanation:
Question is incomplete; However, the missing part of the question will most likely be to calculate the charges on each particle.
If that is the case;
[tex]Tota\l Charges = -42\ units[/tex]
We'll get the unit charge when we divide by 7.
This is so because, they all have the same charge.
[tex]Unit\ Charge = -42\ units/7[/tex]
[tex]Unit\ Charge = -6\ units[/tex]
Hence;
the unit charge is -6 units
Answer:
the unit charge is -6 units
Step-by-step explanation:
E = (x + 3)(x + 2)(x + 1) + (x + 2)(x + 1) + (x + 1)
Answer:
U need to copy and paste more of the question
Step-by-step explanation:
Start copy at the top go all the way to the bottem of the question and paste into brainly.
use ctrl c for copy and crtl v for paste
Lexi paid $6.24 for 4 boxes of cereal. How much did each box of cereal cost? Round to the nearest hundredth.
Answer:
the answer is 25.00
6.24x4=24.96
and rounding it would make it 25.00
Answer:
$1.56 for each box of cereal.
Step-by-step explanation:
6.24÷4=1.56
help to solve -7 - 3a = 1 - 4a
Answer:
-7 - 3a = 1 – 4a
Step one: Add 4a to -3a
-7 + a = 1
Step two: Add 7 to 1
A = 8
You're done! A=8 for this problem!
Hopefully this helps! Feel free to mark brainliest!
Answer:
[tex]a =8[/tex]
Step-by-step explanation:
[tex]-7 - 3a = 1 - 4a[/tex]
add [tex]3a[/tex] to both sides
[tex]-7 - 3a + 3a = 1 -4a + 3a \\-7 = 1 -a[/tex]
add [tex]-1[/tex] to both sides
[tex]-7 - 1 = 1 - a -1\\-8 = -a[/tex]
multiply both sides by [tex]-1[/tex]
[tex]-8 * (-1) = -a * (-1) \\8 = a[/tex]
How many three-digit numbers are multiples of neither 5 nor 7?
Answer:
590Step-by-step explanation:
Total 3-digit numbers 100 to 999
999 - 99 = 9003 digit multiples of 5; 100 to 995
smallest one 100 = 5*20greatest one 995 = 199*5number 199 - 4 = 1953 digit multiples of 7:
smallest one 105/7 = 15greatest one 994/7 = 142number 142 - 14 = 128Total multiples of either 5 or 7 :
195 + 128 = 323This number includes multiples of both 5 and 7
We need to exclude half of the multiples of 5*7= 35 as they are counted twice:
smallest one 105 = 35*3greatest one 980 = 28*35number 28 - 2 = 26Half of this is 26/13 = 13
323 - 13 = 310The difference of 900 and 310 is the answer:
900 - 310 = 590The ratio of girls to boys in the sixth grade is 7:5. If there are 35 girls in the sixth grade , how many boys are there?
Answer:
25 boys
Step-by-step explanation:
girls to boys
7:5
35:x
set up an equation
if
35/7 = 5
then
x/5 = 5
so, multiply both sides by 5 to isolate x.
x = 25
the lcm and hcf of 84 and 96 pleasee
Answer: LCM=672; HCF=12
Step-by-step explanation:
LCM=Least Common Multiple
HCF=Highest Common Factor
Factor of 84: 1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84
Factor of 96: 1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96
From the list we can see, the highest common factor between 84 and 96 is 12.
The easiest way to find least common multiple is to time the numbers together and then divide it by their highest common factor.
84×96÷12=672
