Answer:
Luis missed at least 6 questions.
Step-by-step explanation:
Luis missed more than twice as many as David (who missed 3 questions).
Luis missed more than 6 questions, or at least 6 questions.
giving 30 points pls answer correctly
Answer:
B. 20.41
Step-by-step explanation:
I hope this helps! pls brainliest:D
Anoche fuimos al cine cuando llegamos ya había vendido tres quintas partes de la entradas disponibles si sólo quedaron 75 entradas por vender ¿Cuántas entradas había en total?
Usando proporciones, hay que habían 188 entradas en el total.
¿Qué es una proporción?Una proporción es una fracción de la cantidad total.
En este problema, hay que dos quintos de el total de entradas n restanban, e la cantidad equivalente a esta proporción es de 75 entradas, o sea:
[tex]\frac{2}{5}n = 75[/tex]
[tex]n = \frac{75 \times 5}{2}[/tex]
[tex]n = 188[/tex]
Habían 188 entradas en el total.
Puede-se aprender más a cerca de proporciones en brainly.com/question/26395519
help me please it's equations and inequalities
[tex]5x - 7(x + 1) > - 9[/tex]
please show steps and the graph line and the interval notation ty
Step-by-step explanation:
[tex]5x - 7(x + 1) > - 9 \\ \\ 5x - 7x - 7 > - 9 \\ \\ - 2x - 7 > - 9 \\ \\ - 2x > - 9 + 7 \\ \\ - 2x - 2 \\ \\ x < - \frac{2}{2} \\ \\ x < 1[/tex]
Please help me with this question urgently! Thanks in advance.
Step-by-step explanation:
First. plug in values of x and try to form a curve. Since this a quadratic, we will get a parabola( a U shaped graph).
Plug in values from -3 to 4.
for x.
[tex]f( - 3) = 2( - 3) {}^{2} - 3( - 3) - 5 = 22[/tex]
[tex]f( - 2) = 2( - 2) {}^{2} - 3( - 2) - 5 = 9[/tex]
[tex]f( - 1) = 2 + 3 - 5 = 0[/tex]
Keep going until you get until you get to 4 for x.
The graph above should be your curve.
1. The roots of a quadratic are the x values when y=0, here it is 2.5 and -1.
2. Since the leading degree coeffecient is positive, we have a minimum value. It hard to tell the minimum here so let put this in vertex form, we have
[tex] 2{x}^{2} - 3x - 5[/tex]
First. we do
[tex] \frac{ - b}{2a} [/tex]
[tex] \frac{ - ( - 3)}{4} [/tex]
[tex] = \frac{3}{4} [/tex]
Now, we plug that in to find our y intercept of the minimum.
[tex]2( \frac{3}{4} ) {}^{2} - 3( \frac{3}{4} ) - 5 = \frac{18}{16} - \frac{9}{4} - 5 = - \frac{ 18}{16} - 5 = - \frac{98}{16} [/tex]
So we have
(3/4,-98/16).
or
(3/4,-6.125).
Solve the math problem
Please help me thank you so much!
Answer:
610 squares on the final day.
Step-by-step explanation:
490 Sunday
510 Monday
530 Tuesday
550 Wednesday
570 Thursday
590 Friday
610 Saturday
If I save 233 dollars each month for 20 months, how much will I end up having?
Answer:
$4660
Step-by-step explanation:
233 x 20 = 4660
Answer:
$4660
Step-by-step explanation:
233 multiplied by 20 is 4660
Nicole has a cabinet in the shape of a right rectangular prism. The volume of the cabinet is 24 cubic feet. If the cabinet covers a floor space of 12 square feet, how tall is the cabinet?
jack works at a party store. he sold 864 balloons in the last 18 days. what was his selling rate in ballons per day?
Answer:
48 balloons
Step-by-step explanation:
All you have to do is divide 864 by 18.
864/18 = 48
Answer:
48 balloons per day
Step-by-step explanation:
Write a simplified expression for the area of this rectangle:
please help <33
Answer:For a rectangle the expression would be:
A
=
(
x
+
6
)
⋅
(
x
−
3
)
or
A
=
x
2
−
3
x
−
18
Explanation:
The formula for area (assuming this is a rectangle) is:
A
=
l
⋅
w
where
A
is the area of the rectangle,
l
is the length of the rectangle and
w
is the width of the rectangle.
In this problem we are provided the length and width which we can substitute for the
l
and
w
is the formula to give:
A
=
(
x
+
6
)
⋅
(
x
−
3
)
We can expand this to the form of a quadratic equation by cross multiplying to give:
A
=
x
2
+
6
x
−
3
x
−
18
A
=
x
2
−
3
x
−
18
Step-by-step Explanation: The formula for area (assuming this is a rectangle) is: A=l⋅w where A is the area of the rectangle, l is the length of the rectangle and w is the width of the rectangle.
Simplify. Write the expression using only positive exponents. 3^−2⋅k^0⋅w^0/w^−6
Answer:
Step-by-step explanation:
Any variable raised to 0 is 1
⇒ [tex]a^{0}=1[/tex]
[tex]a^{-m}=\dfrac{1}{a^{m}} \\\\\dfrac{1}{a^{-m}}=a^{m}\\\\[/tex]
[tex]\dfrac{3^{-2}*k^{0}*w^{0}}{w^{-6}}=\dfrac{3^{-2}}{w^{-6}}\\\\\\=\dfrac{1}{3^{2}}*w^{6}\\\\\\=\dfrac{w^{6}}{3^{2}}[/tex]
A sweater that originally
costs $50 is marked 10%
off. What is the sale price?
Answer:
$45
Step-by-step explanation:
100 - 10 = 90
90/100 = 0.9
50 * 0.9 = 45
5. What is 7 1/5 as a percent?
A. 7.2% B. 27%
C. 72%
D. 720%
Answer:
D
Step-by-step explanation:
7 is a whole number meaning it goes in the hundreds place. and 1/5=20%
If f(x) and its inverse function, fx), are both plotted on the same coordinate plane, what is their point of intersection?
Answer: (3, 3)
Step-by-step explanation:
the graphs of [tex]f[/tex] and [tex]f^{-1[/tex] are flipped: if the point [tex](x, y)[/tex] is on the graph of [tex]f[/tex], then the point [tex](y, x)[/tex] is on the graph of [tex]f^{-1[/tex].
Any points of intersection will satisfy [tex](x, y) = (y, x)[/tex]. A point that satisfies this property must have the same x and y coordinate. (Think about it.) The only point on [tex]f[/tex] like that is [tex](3, 3)[/tex], so that is the point of intersection.
if -7-4r=-15, what is the value of r/2 + 9
Answer:
Step-by-step explanation:
Consider -7-4r=-15. Adding 7 on both sides of the equation,
-4r=-8 --- r = 2
Plug in value of r in r/2 + 9 = 2/2+9 = 1+9 = 10
Aliyah wants to estimate the value of the quotient of 5. 68 times 10 Superscript negative 3 and 8. 54 times 10 Superscript negative 9. Which statement about the value is true? The value will be greater than 1 because (negative 3) divided by (negative 9) is a positive number. A number in scientific notation with a positive exponent has a value greater than 1. The value will be greater than 1 because (negative 3) minus (negative 9) = 6. A number in scientific notation with a positive exponent is greater than 1. The value will be less than 1 because 5. 68 divided by 8. 54 is less than 1. The negative exponents will make it even smaller. The number will be less than 1 because 5. 68 times 10 Superscript negative 3 is a very small number and division always makes the size of a number smaller.
Answer:
b
Step-by-step explanation:
What is the price of a pair of jeans that was $45 and 6% tax was added to it? (SHOW ALL WORK)
Can someone please give me the (Answers) to this? ... please ...
Answer:
1. Im gonna say D. 126
2. 1/2 (can't see the answer choices clearly)
3. 60º
4. 9
5. D
Step-by-step explanation:
if your paid $48,865.00 annually a year, what would be your salary per week??
Step-by-step explanation:
Divide 48865.00÷7=6980.71 per week
2y+4x=14 is it infinite no solution one solution ??????
It takes 5 men 3.5 hours to build a wall. Work out how long it takes 4 men to build the same wall, giving your answer in hours and minutes.
Answer:
4 men takes 4 hours 22.5 minutes to build the same wall
Step-by-step explanation:
5 men takes 3.5 hours
1 men will take ( 5 * 3.5 ) = 17.5 hours
so 4 men shall take ( 17.5 / 4 ) = 4.375 hours = 262.5 minutes
4 men takes 4 hours 22.5 minutesAnswer:
I think the answer is 3 hours and 20 minutes or 3.2 hours.
write an equation that represents the line.
Answer:
[tex]\boxed{\tt y=-\cfrac{4}{3} \:x+2}[/tex]
Step-by-step explanation:
Given the graph, we can see that the line passes through (0,2) and (3,-2).
We are given the y-intercept → (0,2), now, find the slope-intercept form of the line.
[tex]\tt slope=\cfrac{(-2)-2}{3-0}\:\:\boxed{\tt Subtract}[/tex]
[tex]\tt =\cfrac{-4}{3}[/tex]
[tex]\tt =-\cfrac{4}{3}[/tex]
Therefore, the equation that represents the line is:-
[tex]\boxed{\tt y=-\cfrac{4}{3} \:x+2}[/tex]
_____________________________
Find the value of x³ + y³ + 3x²y when x = 2 and y = 2
x³ + y³ + 3x²y
= (2)³ +(2)³ + 3 × (2)² ×2
= 8 +8 + 6× 4
= 16 + 24
= 40
Answer:40Step-by-step explanation: Put the value of X and y in the given equation (2)*3+(2)*3+3(2)*2(2) = 8+8+24 = 40
What is the domain of this relation?
{(5,6), (5,3), (5,1), (5,0), (5,-6), (5,-10)}
Answer:
5
Step-by-step explanation:
All of the x values are 5, so the domain is 5
Dylan's garden is 9 feet long. How long is the garden in inches? (1 foot = 12 inches)
Answer:
108 inches long
which investor is making a common investment mistake
Answer:
Constantly watching the markets
Step-by-step explanation:
A supersonic jet flies 10 miles in 0.008 hours. How fast is the jet moving? Find the speed in mi/hr and m's.
Answer:
1250 mi/hr or 558.8 m/s ....both applicable as required question
Explanation:
Speed = Distance/ Time
Speed = 10 miles / 0.008 hours
Speed = 1250 mi/hr and also as 558.8 m/s
Answer:
1250 miles/hStep-by-step explanation:
We know that:
Speed = Distance/TimeSolution:
Distance/Time = 10/0.008=> 1250 miles/hHence, the speed of the supersonic jet is 1250 miles/h.
Dean has worn a white shirt on 6 of the last 18 days. What is the experimental probability that Dean will wear a white shirt tomorrow?
Write your answer as a fraction or whole number.
Answer:
6/18 which reduces to 1/3 or 33.3%
Step-by-step explanation:
based on prior 18 days, the probability would be 6/18
from the sum of 3x^2-5x+1 and x^3 +3x - 1 subtract 2x^3 - 4x2
Answer:
it is -x^3 + 7x^2 -2x if you meant subtract 2x^3 - 4x^2 But if you meant subtract. 2x^3 - 4x +2 then the answer is -x^3 +3x^2 +2x -2
Step-by-step explanation:
I don't get this question.
