Answer:
63 red marbles.
Step-by-step explanation:
Because the probability of drawing a red marble is 7/8, the number of red marbles = 7/8 * 72
= 7 * 9
= 63.
Please help me.. very appreciated if you do
1 Answer:
D
2 Answer:
B
Step-by-step explanation:
-x ≤ -3all we should do here is multiply both sides by -1 and switch the sign ≤ since we multiplied by a negative number
-x ≤ -3 x ≥ 3x is equal or greater than 3 so 3 is included
3 will be represented by a clored dot
so the graph is D
-6- x ≤ -3again multiply by -1 to get rid of the - signs and switch ≤ by ≥ since it's a negative number
-6 -x ≤ -3 6+x ≥ 3 substract 6 from both sides x+6-6 ≥ 3-6 x ≥ -3x is equal or greater than -3 so -3 is included
the graph is b since there is a dot in -3
I need help pls A certain university in the United States has a student enrollment of 19,100. Mr. Hill knows the percentage of students that are male and the percentage of students that are female. Suppose a student reaches in the bag and randomly selects nine red chips and eleven yellow chips. Based on this sample, what is a good estimate for the number of enrolled university students that are male?
Answer:
About 8595 students
Step-by-step explanation:
If approximately 9/20 of the students are male, multiplying this by the total number of students enrolled will give a good approximation of the total number of enrolled males. 9/20 * 19100=8595. Hope this helps!
Answer:
8595
Step-by-step explanation:
9/11 is the ratio of male to female
9/20 of students are male and 11/20 are female
If total number is 19100,
then male= 19100*9/20= 8595
What stamens is converse of p
p: If every fourth card drawn is a spade, then 25% of the cards in a deck would be spades. If 25% of the cards in a deck are spades, then every fourth card drawn would be a spade. If every fourth card drawn isn’t a spade, then 25% of the cards in a deck aren’t spades. If 25% of the cards in a deck aren’t spades, then every fourth card drawn wouldn’t be a spade. If every fourth card drawn isn’t a spade, then 75% of the cards in a deck are spades.
Answer:25
Step-by-step explanation:
Get monkeyd
Segment RT and Segment GJ are chords that intersect at point H. If RH = 6 units, HT = 5 units, and GH = 3 units, what is the length of line segment HJ? A.) 20 B.) 10 C.) 5 D.) 40
Answer:
B.) 10 i think
Step-by-step explanation:
Work out the mean for the data set below: 1, 2, 1, 2, 2, 5 Give your answer as a fraction.
Answer:
13/6 or 2 and 1/6
Step-by-step explanation:
The mean (or average) is the sum of all elements divided by the amount of elements. In this case that would be (1 + 2 + 1 + 2 + 2 + 5) / 6 = 13 / 6 or 2 1/6
Okay, what is the value of x: 2x + 3x + 43 = 565
Answer:
x = 522/5 or x = 104.4
Step-by-step explanation:
2x + 3x + 43 = 565
Combine like terms.
5x + 43 = 565
Subtract 43 on both sides.
5x + 43 - 43 = 565 - 43
5x = 522
Divide both sides by 5.
(5x)/5 = 522/5
x = 522/5
Answer:
x = 104.4
Step-by-step explanation:
2x + 3x + 43 = 565
5x + 43 = 565
5x + 43 - 43 = 565 - 43
5x = 522
5x/5 = 522/5
x = 104.4
After 2.4 hours Jenny had traveled 216 miles. If she travels at a constant speed, how far will she have traveled after 4 hours
Answer:bruh
Step-by-step explanation:
I couldn’t even tell u
Complete the solution to y = cos-1(1).
a) y = 2 pi k
b) y= pi k
c) y = pi ± pi k
Answer:
a) y = 2 pi kStep-by-step explanation:
Given the solution to the equation y to be cos⁻¹(1)
y = cos⁻¹(1)
y =0°
In trigonometry identity, the general solution for cosine function is expressed as θ = 2kπ ± n, where n is any integer.
Substituting the solution gotten to the equation above into the general formula θ = 2kπ ± n, will give;
y = 2kπ ± n
since we have just one solution, we will find the value of y at n = 0
y = 2kπ ± 0
y = 2kπ
what would the variables for a and b be? 3/x + 5/x^2 = (ax+b)/x^2
Answer:
a=3,b=5
Step-by-step explanation:
[tex] \frac{3}{x} + \frac{5}{ {x}^{2} } \\ = \frac{3x}{ {x}^{2} } + \frac{5}{ {x}^{2} } \\ = \frac{3x + 5}{ {x}^{2} } [/tex]
so as you got it:
[tex] \frac{(ax + b)}{ {x}^{2} } = \frac{3x + 5}{ {x}^{2} } \\ a = 3 \\ b = 5[/tex]
A drawer contains three red marbles, four green marbles, and five blue marbles. One marble is taken from the drawer and then replaced. Another marble is taken from the drawer. The problem models: a dependent event. independent events.
Answer:
independent events
Step-by-step explanation:
dependent is when the previous event affects the outcome of the next event.
Ex: When I draw a card without replacement at first I will have 52 cards. Once I draw the card, I will have only 51 cards to choose from.
Independent event is when the outcome is not related.
Example like the problem given to you
4. How else can the ratio 4/5 be written?
O A.4:5
O B.5:4
O C.54
O D..2
Answer:
Answer is option a) 4:5
Step-by-step explanation:
[tex]the \: ratio \: \frac{4}{5} can \: \\ also \: be \: written \: as \: 4 : 5[/tex]
HAVE A NICE DAY!
THANKS FOR GIVING ME THE OPPORTUNITY TO ANSWER YOUR QUESTION.
I need help ASAP!! If you know what you’re doing go ahead and answer but if you don’t, don’t even bother thanks
Answer:
133.97 cm³
Step-by-step explanation:
The volume of a cone is given by:
[tex]V = \frac13 \pi r^2h[/tex]
r is half the diameter, so 4 cm
h is 8 cm
So:
V= 1/3 * 3.14 * 16 * 8 ≈ 133.97 cm³
So could someone help me on this
Answer:
B. -6
Step-by-step explanation:
hope this helps!
Answer:
-6
Step-by-step explanation:
from (-6,-4) to (x,8) there are already 12 spaces in between the y- axis from -4 to 8. So because there are already 12 spaces in between you dont need to add any space between x and -6 so you can conclude that if x is -6 then there will be 12 spaces inbetween because of -4 and 8
Simplify the expression in the following photo.
Answer:
0
Step-by-step explanation:
If we factor out √5a from the numerator we have √5a * (√4 - √9 + √1) / √5a. √5a cancels out so we are left with √4 - √9 + √1 which equals 2 - 3 + 1 = 0.
What is the midpoint of the segment (-1, 5) (5, 5
Answer:
Midpoint: (2, 5)
Step-by-step explanation:
Midpoint Formula: [tex](\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )[/tex]
Simply plug in the coordinates into the formula:
x = (-1 + 5)/2
x = 4/2
x = 2
y = (5 + 5)/2
y = 10/2
y = 5
Write the equation in slope-intercept form. y=−6(x−3)+2x
Answer:
y=-4x+18
Step-by-step explanation:
y=-6(x-3)+2x
Distribute -6 to the (x-3)
y=-6x+18+2x
Combine like terms
y= -4x+18
Answer: y = -4x + 18
Step-by-step explanation:
First do distributive property
y = (-6x + 18) + 2x
Next, combine like terms
y = -6x + 2x + 18
y = -4x + 18
square root of -16 plus the square root of -25 plus 5
This answers are not possible because you can’t take the square root of a negative number. So, there is not answer for this question.
If the numbers were positive:
√16 = 4
√25 = 5
4 + (5 + 5)
4 + 10
14
Best of Luck!
Answer: 9i + 5
Step-by-step explanation: √-16 =4i and √-25 = 5i +5
The way to handle the square root of a negative number is to multiply the "real" root times √-1 which is i , an imaginary number
Which of the following expressions is equivalent to -10? Which of the following expressions is equivalent to -10?
-7 + 3
-3 - 7
3 - 7
7 - 3
Answer:
-3-7
Step-by-step explanation:
-3-7=10
Answer:
-3 - 7.
Step-by-step explanation:
-3 - 7 = -10.
What formula tells the cost, in dollars, if
chocolate chip cookies are $1.50/dozen and
lemon frosteds are $ 1.00/dozen? Let c =
number of dozens of chocolate chip cookies; L=
number of dozens of lemon frosteds; T = total
charge.
Answer:
T = $1.50C + $1.00L
Step-by-step explanation:
Chocolate chip cookies - $1.50/dozen
C: # of dozens of chocolate chip cookies
↓
$1.50C
Lemon Frosteds - $1.00/dozen
L: # of dozens of lemon frosteds
↓
$1.00L
T(total) = $1.50C + $1.00L
Hope that helps.
What is the cost of an $8,000 car including 5½% tax?
Answer:
$8,440
Step-by-step explanation:
5.5% of 8,00 = 440
8,000 + 440 = 8,440
Answer:
The answer is....................................... $8440
Step-by-step explanation:
1.Un número complejo multiplicado por su conjugado da siempre:
a. (1,0)
b.Un imaginario puro
c.Un número real
d.Un número complejo
2.El conjugado del número complejo -2-5i es:
a. -2
b. 2-5i
c. 2+5i
d. -2+5i
3.El producto de los números complejos 2+3i con 4-5i es:
a. 23 +2i
b. 23-2i
c. -7+22i
d. 7-22i
4.Dados los números complejos Z1: 2+3i Z2: 4-5i ¿Cuál es el cociente entre la conjugada de Z1 con Z2:
a. 23-2i
b. 41 -4i
c. No es posible determinar el resultado
d. 23/41 -(2/41)i
5.Dado que el número imaginario i= √-1 entonces es posible afirmar que i5
a. -i
b. i
c. -1
d. 1
6. siguiente igualdad i17 + i18 =2i es
a. Falsa, porque, i elevado a cualquier núemro es igual a -1
b. Falsa, porque, es imposible que dos potencias imaginarias den el mismo resultado
c. Falsa, porque, el verdadero resultado de i17 + i18 es -i
d. Verdadera, porque, los números complejos también se pueden sumar
7.¿Cuál de las siguientes afirmaciones es verdadera?
a. El conjunto de los números complejos es finito
b. El conjunto de los números resulta de la union de los números reales y los números imaginarios
c. El conjunto de números complejos se encuentra contenido en el conjunto de números reales
d. El conjunto de números Complejos resulta de la union de los números racionales e irracionales
Please answer this question now in two minutes
Answer:
y = 2x +10
Step-by-step explanation:
The point-slope form of the equation for a line is ...
y -k = m(x -h) . . . . . line with slope m through point (h, k)
__
Comparing this to the given equation, we see that line s has a slope of -1/2. The perpendicular line t will have a slope that is the negative reciprocal of this:
m = -1/(-1/2) = 2
Using the above point-slope form equation, we can write the equation of line t as ...
y -4 = 2(x -(-3))
y = 2x +6 +4 . . . . add 4, simplify
y = 2x +10 . . . . equation of line t
What is the y-intercept of the line whose equation is 2x-3y=-6
Answer:
(0, -2)
Step-by-step explanation:
Step 1: Write equation in slope-intercept form
-3y = 6 - 2x
y = -2 - 2/3x
Step 2: Find y-int
y = -2 -2/3(0)
y = -2
(0, -2)
What is the simplest form of this expression? (x + 7)(3x − 8) A. 3x2 + 2x − 15 B. 3x2 + 29x − 1 C. 3x2 − 29x − 56 D. 3x2 + 13x – 56
━━━━━━━☆☆━━━━━━━
▹ Answer
D. 3x² + 13x - 56
▹ Step-by-Step Explanation
(x + 7)(3x - 8) (Using FOIL method)
x * 3x - 8x + 7 * 3x - 7 * 8
3x² - 8x + 7 * 3x - 7 * 8
3x² - 8x + 21x - 56
3x² + 13x - 56
Hope this helps!
- CloutAnswers ❁
Brainliest is greatly appreciated!
━━━━━━━☆☆━━━━━━━
Answer:
[tex] \boxed{\sf D. \ 3 {x}^{2} + 13x - 56} [/tex]
Step-by-step explanation:
[tex] \sf Expand \: the \: following: \\ \sf \implies (x + 7)(3x - 8) \\ \\ \sf \implies x(3x - 8) + 7(3x - 8) \\ \\ \sf \implies (x)(3x) - (x)(8) + (7)(3x) - (7)(8) \\ \\ \sf (x)(3x) = 3 {x}^{2} : \\ \sf \implies \boxed{ \sf 3 {x}^{2}} - 8x + (7)(3x) - (7)(8) \\ \\ \sf 7 \times 3 = 21 : \\ \sf \implies 3 {x}^{2} - 8x + \boxed{ \sf 21}x - (7)(8) \\ \\ \sf 7 \times 8 = 56 : \\\sf \implies 3 {x}^{2} - 8x + 21x - \boxed{ \sf 56} \\ \\ \sf 21x - 8x = 13x : \\ \sf \implies 3 {x}^{2} + 13x - 56[/tex]
What are the coordinates of point S? On a coordinate plane, point S is 0.75 units to the left and 0.5 units up. (Negative three-fourths, one-half) (Negative one-half, negative three-fourths) (One-half, Negative three-fourths) (Three-fourths, one-half)
Answer:
The coordinates of S is [tex]( \frac{-3}{4}, \frac{1}{2})[/tex]
Step-by-step explanation:
We are supposed to find the coordinates of point S
Point S is 0.75 units to the left
So, x coordinate of point S = -0.75 = [tex]\frac{-3}{4}[/tex]
Now we are given that point S is 0.5 units up.
So, y coordinate of point S = 0.5 = [tex]\frac{1}{2}[/tex]
So, The coordinates of S is [tex]( \frac{-3}{4}, \frac{1}{2})[/tex]
So, Option A is true .
Answer:
A -3/4,1/2
Step-by-step explanation:
good luck:)
What is the missing number from 18,27,36,?, 54
Answer:
45
Step-by-step explanation:
18 + 9 = 27
27 + 9 = 36
36 + 9 = 45
Thus,
45 is the answer.
Hope this helps :)
Answer:
45
Step-by-step explanation: 18, 27, 36, 54 are all the multiples of 9..
so..
9*2=18
9*3=27
9*4=36
9*5=45and, 9*6=54therefore, the missing number is 45.HOPE IT HELPS:)
Work out the size of angle x.
304°
115)
X
Answer:
121
Step-by-step explanation:
Angles on a line add up to 180.
180 - 115 = 65
Angles in a circle add up to 360 degrees.
360 - 304 = 56
Angles in a triangle add up to 180 degrees.
180 - 56 - 65 = 59
Angles on a line add up to 180 degrees.
180 - 59 = 121
Following are the calculation to the angle:
Given:
Please find the given question.
To find:
angle=?
Solution:
The sum of all the angles on a line is 180.
[tex]\to 180^{\circ} - 115^{\circ} = 65^{\circ}[/tex]
A circle's angles sum up to [tex]360^{\circ}[/tex]
[tex]\to 360^{\circ} - 304^{\circ} = 56^{\circ}[/tex]
The triangle's angles sum up to [tex]180^{\circ}[/tex].
[tex]\to 180^{\circ} - 56^{\circ} - 65^{\circ}= 59^{\circ}[/tex]
The line's angles sum up to [tex]180^{\circ}[/tex].
[tex]\to 180^{\circ} - 59^{\circ} = 121^{\circ}[/tex]
Therefore, the final answer is "[tex]121^{\circ}[/tex].."
Learn more:
brainly.com/question/18255413
Which value of x from the set {4, 5, 6, 7), makes this equation true?
4(8 - x) = 8
OA.
4
B.
5
OC. 6
OD.
7
Hey there! :)
Answer:
C. x = 6.
Step-by-step explanation:
Given:
4(8 - x) = 8
Solve for x. Distribute:
32 - 4x = 8
Subtract 32 from both sides:
-4x = -24
Divide both sides by -4:
-4x/(-4) = -24/(-4)
x = 6.
Calculate the measure of arc AG if a=20 and b=10
Answer:
90°
Step-by-step explanation:
∆GFD is an isosceles right triangle, so angle FDG is 45°. Segment DF bisects angle EDG, so that angle is 90°.
Arc AG is the other half of the semicircle AGE that includes 90° arc GE.
So, arc AG is 90°.
__
Comment on the problem
"a" and "b" are irrelevant to arc AG. They come into play for arc CE.
Patty buys a new car and gets it appraised every few years. After owning the car for 3 years, it’s value is $15,000. After owning the car for 5 years, it’s value is $9,000. What is the constant of proportionality in this inverse variation?
Answer: $3,000 per year
Step-by-step explanation: 15,000 divided by 9,000 is 6,000, 5 minus 3 is 2 6,000 divided by 2 equals 3,000.