Answer:
x=-1
Step-by-step explanation:
-2(3x-5)=4(x+3)+8
-6x+10=4(x+3)+8
-6x+10=4x+12+8
-6x+10=4x+20
-6x+10-10=4x+20-10
-6x=4x+10
-6x-4x+10-4x
-10x=10
[tex]\frac{-10}{-10}= \frac{10}{-10}[/tex]
x=-1
Solución del problema
José es el encargado de reunir dinero y comprar
las pizzas para la convivencia del 14 de febrero
de su salón. La promoción es de 2 pizzas por 150
pesos con ocho rebanadas cadauna. ¿Cuánto
dinero debe darle cada compañero del grupo de
52 alumnos si quieren comer 3 rebanadas por
persona?
Cada estudiante debe pagar 2.88 pesos para consumir 3 rebanadas.
Como determinar el monto a contribuir por cada estudiante en una convivenciaSi sabemos que existen 52 alumnos que quieren comer 3 rebanadas, entonces tenemos que el total requerido de rebanadas es de 156 rebanadas.
Además, si dos pizzas tienen 16 rebanadas y cuestan 150 pesos, entonces el número de rebanadas dividido por el par de cajas es 1.025 pares. Por ende, quedarían 4 rebanadas sobrantes que pueden ser compartidas por alguien más o vendidas a alguien más a cambio de una tarifa módica.
Por último, el monto a pagar por cada estudiante es el precio de la oferta dividido el número de estudiantes. En consecuencia, cada estudiante debe pagar aproximadamente 2.88 pesos.
Cada estudiante debe pagar 2.88 pesos para consumir 3 rebanadas. [tex]\blacksquare[/tex]
Para aprender más sobre problemas matemáticos, invitamos cordialmente a ver esta pregunta verificada: https://brainly.com/question/24613771
Write 0.041 as a percent.
A fish tank in the shape of a cube has a side length of 15 inches. How much water does the fish tank hold when completely filled with water?
Answer:
120 inches
Step-by-step explanation:
because i did 15 x 8 and got 120 and yah but let me know if u get if right
What is 6 times 3/4 ?
Answer:
4.5
Step-by-step explanation:
Answer:
it is 9/2
Step-by-step explanation:
soo uhhh first cancel out two
so it becomes 3 (3/2) then it equals to 9/2
the sum of the measure of the angles of a ngon is
Please help! I need this answered by tommorrow!
Answer:
You could use rate reasoning because, one day is 405 miles traveled. It is 3,272 miles from Sacramento to Key West, and when you use rate reasoning, you can tell that it will take about 8 days from Sacramento to Key West (3 more days if your counting the 5 days that they have already traveled)
Hope this helps
Find the greatest common factor of these three expressions.
12v2, 30v, and 42V4
The greatest common factor between the expressions is 6v.
How to find the greatest common factor?
We have the expressions:
12v^230v42v^4We can see that the smallest power of "v" is 1, and it appears on the second expression, so the greatest common factor will be a number times v.
To get the number, we need to find the greatest common factor between the 3 coefficients.
12, 30, and 42.
Rewriting these 3 numbers we can see that:
12 = 2*2*3
30 = 2*3*5
42 = 2*3*7
In all the cases we can see that the factor 2*3 appears, so that is the greatest common factor between the coefficients.
So we can conclude that the greatest common factor between the expressions is:
2*3*v = 6v
And we can rewrite:
12v^2 = (6v)*(2v)30v = (6v)*(5)42v^4 = (6v)*(7v^3)If you want to learn more about common factors, you can read:
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Helllllppppp I will give u BRAAAIINLIAAST
Step-by-step explanation:
fro the figure
2z = 68
z = 68/2
z =34
also
v + 68 = 180
v = 180 - 68
v = 112
also
v = x
calculate the total mass of carrots required for the recipe if a medium weight an average of 80gram
Answer:
Inconclusive.
Step-by-step explanation:
You did not clarify the number of carrots there are.
What is the surface area of the square pyramid
represented by the net?
Prove triangle congruence.
Answer:
Step-by-step explanation:
The graph of F(x), shown below, has the same shape as the graph of
G(x) = x2. Which of the following is the equation ofFx)?
+
5
-5
FOO = ?
O A. Fx) = x2.5
O )
B. Fx) = 5 - x2
O C. F(x) = x2 + 5
O D. F(x) = x2
Answer:
x^2
Step-by-step explanation:
If it has the same shape, it has the same points, it has the same equation/expression.
The equation of the given graph is F(x) = x² - 5. The correct answer is an option (A).
What is Parabola?A parabola is a U-shaped curve this is drawn for a quadratic function.
The graph of F(x) = x² - 5 is a parabola that opens upward and is shifted 5 units down compared to the graph of G(x) = x².
The vertex of the parabola is located at (0,-5) instead of (0,0) as it is for the graph of G(x) = x².
The shape of the parabola is the same as that of G(x) = x², but it is translated downward by 5 units.
This means that the minimum point (vertex) of F(x) is located 5 units below the minimum point (vertex) of G(x).
Thus, the correct answer is an option (A).
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The sum of the first five terms of an arithmetic progression is 65/2.Also ,five times the 7th is the same as six times the second term . Find the first term and the common difference of the AP.
The first term and the common difference of the Arithmetic Progression which the given sum of the first 5 terms are respectively; 6 and 1/4
What is the nth term of an arithmetic sequence?We are told;
Sum of first 5 terms of the AP = 65/2
Formula for sum of n terms of an AP is;
S = ⁿ/₂(2a + (n - 1)d)
65/2 = ⁵/₂(2a + 4d)
⇒ 65 = 5(2a + 4d)
13 = 2a + 4d ------(1)
Formula for the nth term of an AP is;
aₙ = a + (n - 1)d
five times the 7th term is the same as six times the second term.
7th term is; a₇ = a + 6d
second term is; a₂ = a + d
Thus;
5(a + 6d) = 6(a + d)
5a + 30d = 6a + 6d
a = 24d
Put 24d for a in eq 1 to get;
13 = 2(24d) + 4d
13 = 52d
d = 13/52
d = ¹/₄
Thus; a = 24(¹/₄) = 6
Read more about Arithmetic Sequence at; https://brainly.com/question/6561461
Please help! TYSM IF U DO, GIVING BRAINILEST! (TO CORRECT ANSWER)
Identify and give all the appropriate names for three different quadrilaterals or other geometric figures in this Navajo eye-dazzler design.
Answer: There is a triangle, rhombus, and a parallelogram.
Step-by-step explanation:
1. The sum of the measures of PQR and PRQ is 45 degrees
2. The complementary angle is 19 degrees and the supplementary angle is 109 degrees
3. mEGB + mBGF = 180
4. Square
5. 6,7,8
6. Possible angle measures of the triangle are 92, 48, and 40
7. 47 degrees
8. h=30, f=70, g=50
9. Quadrilateral; irregular
10. Parallelogram
11. AB, AC, AD
12. OA, OB, OC
13. Acute
14. 42 degrees
15. 115 degrees
16. Rhombus’, Triangles, parallelograms
The class has 13 students. How many possible groups
are there?
Answer:
13, they could all split up into groups of 1
Step-by-step explanation:
iestieasurement
1
The clock shows 5 minutes to 8 in the morning.
It is 12 minutes slow.
What time should it be?
First, you have to know that 5 minutes to 8:00 is 7:55.
"It is 12 minutes slow."
So the clock's 12 minutes behind, let's catch it up a bit. :)
7:55(am) + 12(mins) = 8:07(am)
~pinetree
An educator is interested in the relationship between how many hours students spend doing homework and the scores earned on exams. He gathers data from 12 students and calculates the least-squares regression line to be ŷ = 68.4 + 1.46x, where ŷ is the score on an exam and x is the number of hours spent doing homework. The residual plot is shown.
Based on the residual plot, is the linear model appropriate?
No, the residuals are relatively large.
No, there is a clear pattern in the residual plot.
Yes, there is no clear pattern in the residual plot.
Yes, about half of the residuals are positive and half are negative
Based on the residual plot, the linear model is not appropriate because the residuals are relatively large.
What is a residual plot?
A residual plot is a graph that shows the residual values on the y-axis and fitted values on the x-axis. The aim of a residual plot is to check if the residual are consistent with random error. When the residuals center on zero, it means that the model’s predictions are correct on average. If this is not the case, the model's predictions are not correct.
To learn more about residual plots, please check: https://brainly.com/question/3297603
The height is??? I somehow got the width
To find the maximum height, we must find the x value at which the maximum height occurs.
The maximum height occurs at x = 0 because that is where y is the largest.
When we plug x= 0 into the function that is given in the question, we get 630 ft.
Hope it helps!
Answer:
600
Step-by-step explanation:
400=800 not
600/ tama po yan
A store pays $35 for a football and increases the price by 20%. What do customers pay for the football?
Answer:
20% of 35 is 7 so 7 plus 35 is 42
Step-by-step explanation:
so 42 is your answer
i’ll give brainliest pls do all 3
9:0.2
i will do 8 c7. 7 and 8 will take 30 min i will do ot now wait
Answer:
Step-by-step explanation:
7.
Speed = Distance / time
Distance is fixed so speed x time = constant
speed1 x time1 = speed2 x time2
speed1/speed2 = time2/time1
speed1/speed2 = 20/27
time2/time1 = 20/27
Percentage decrease in time = (time1 - time2)/time1 x 100%
= (1 - time2/time1) x 100%
= (1 - 20/27) x 100%
= 7/27 x 100%
= 25.9%
8.
Let the equation of the angle bisector be y = mx + C
It is the angle bisector so its slope, m, is half way between slope of the two lines:
y = 2; slope = 0
y = 4x - 2; slope = 4
So m = (0 + 4) / 2 = 2
y = 2x + C
It is the angle bisector so the line must pass through intersection of the two lines:
y = 2 and y = 4x - 2
4x -2 = 2
x = 1
Intersection point is at x = 1 and y = 2
Substitute back into y = 2x + C
2 = 2(1) + C
C = 0
So the equation is y = 2x
9.
[tex]\sqrt{\frac{1}{25} } \\= \frac{\sqrt{1}}{\sqrt{25}} \\= \frac{1}{\sqrt{5^{2}}} \\\\[/tex]
= 1/±5
= ±1/5
The number of students, y, still participating in the final round of a school spelling bee compared to the number of spelling words attempted, x, can be represented by a scatter plot with a negative, linear association. Which equation for a line of best fit could be used to represent the number of students still participating in the final round of the school spelling bee given a number of spelling words attempted?
The possible line of best fit is given by y = -0.5x + 10
What is a linear equation?A linear equation is in the form:
y = mx + b
Where y, x are variables, m is the rate of change and b is the y intercept.
Let y represent the students still participating in the final round while x represent the number of spelling words attempted.
Since the line of best fit has a negative, linear association, this means that the slope is negative. A possible linear function is:
y = -0.5x + 10
The possible line of best fit is given by y = -0.5x + 10
Find out more on linear equation at: https://brainly.com/question/14323743
The photographer got the baby to smile in 30% of the photos he took. If the baby smiled in 12 photos how many photos did the photographer take
Answer:
40 photos
Step-by-step explanation:
[tex]\frac{3}{10} =\frac{12}{y}[/tex]
3 × y = 12 × 10
3y = 120
y = 40
PLEASE ANSWER THESE QUESTIONS
DON'T STEAL POINTS :)
Answer:
[tex]6[/tex]
Step-by-step explanation:
[tex]1296^{0.17}[/tex]
[tex]1296^{0.17}=3.38176\dots[/tex]
[tex]=3.38176\dots[/tex]
[tex]1296^{0.08}[/tex]
[tex]1296^{0.08}=1.77422\dots[/tex]
[tex]=1.77422\dots[/tex]
[tex]\mathrm{Multiply\:the\:numbers:}\:3.38176\cdot \:1.77422=5.99998\dots[/tex]
[tex]=5.99998\dots[/tex]
[tex]=5.99998[/tex]≈[tex]6[/tex]
Answer:
D
Step-by-step explanation:
using the rules of exponents
[tex]a^{m}[/tex] × [tex]a^{n}[/tex] = [tex]a^{(m+n)}[/tex]
[tex]a^{\frac{m}{n} }[/tex] = [tex]\sqrt[n]{a^{m} }[/tex]
[tex](1296)^{0.17}[/tex] × [tex](1296)^{0.08}[/tex]
= [tex]1296^{(0.17+0.08)}[/tex]
= [tex]1296^{0.25}[/tex] = [tex]1296^{\frac{1}{4} }[/tex] , then
[tex]\sqrt[4]{1296}[/tex]
= [tex]\sqrt[4]{6^{4} }[/tex]
= 6
The length of a rectangle is 11 m less than three times the width, and the area of the rectangle is 42 m^2 . Find the dimensions of the rectangle.
Given -
↠ the length of a rectangle is 11 m less than three times the width (let the width be x then length = 3x - 11)
↠the area of the rectangle is 42 m².
To find -
the dimensions of the rectangle.
Solution -
As we know,
area of rectangle = length × width
➟ 42 = (3x - 11) x
➟ 42 = 3x² - 11x
➟ 3x² - 11x - 42 = 0
now splitting the middle term to find the value of x,
➟ 3x² - (18 - 7)x - 42 = 0
➟ 3x² - 18x +7x - 42 = 0
➟ 3x (x- 6) +7(x - 6) = 0
➟ (3x + 7)(x - 6) = 0
➟ x = -7/3, 6
➟ x = 6
We will take the value of x as 6 because the value of dimensions can never be in negative.
Hence, length = 3 × 6 - 11 = 7 cm and width = 6 cm
Which situation can be represented by this equation?
250 + 65x = 575
The mean of the numbers 4,3,3, x is 5. Find the value of x.
Answer:
[tex]\bold{Mean = \frac{4 + 3 + 3 + x}{4} } \\ \\ \bold{5 = \frac{10 + x}{4} }\\ \\ \bold{10 + x = 20 }\\ \\ \bold{x = 20 - 10} \\ \\ \fbox\red{x = 10}[/tex]
hope helpful ~
The value of x is 10.
What is Mean ?
Mean is the average value of the data, It depicts the central tendency of the data.
The numbers are 4 ,3,3,x
The Mean of the data is 5
The Mean = ( Sum of Data) / ( Number of Data)
Mean = (4+3+3+x ) / 4
5 = (10+x)/4
20 = 10+x
x = 10
Therefore, the value of x is 10.
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What is the solution to the equation the sqaure root of 5x -7 = the sqaure root of 3x + 5
Answer:
x = 6Step-by-step explanation:
If you square both sides you get:
5x - 7 = 3x + 5Solve it for x:
5x - 3x = 5 + 72x = 12x = 6Answer:
x = 6
Step-by-step explanation:
[tex]\sqrt{5x - 7}[/tex] = [tex]\sqrt{3x +5}[/tex] ( square both sides to clear the radicals )
5x - 7 = 3x + 5 ( subtract 3x from both sides )
2x - 7 = 5 ( add 7 to both sides )
2x = 12 ( divide both sides by 2 )
x = 6
Express 80 as the product of its prime factors.
Write the prime factors in ascending order.
Answer:
[tex]\huge\boxed{\bf\: 2 * 2 * 2 * 2 * 5}[/tex]
Step-by-step explanation:
[tex]80\\= 40 * 2\\= 20 * 2 * 2\\= 10 * 2 * 2 * 2\\= 5 * 2 * 2 * 2 * 2\\\\\sf\:IN \: ASCENDING \: ORDER \rightarrow \boxed{\bf\:2 * 2 * 2 * 2 * 5}[/tex]
[tex]\rule{150}{2}[/tex]
12. Indy and Zach are finding the number of real zeros for the function graphed below. Indy says the function has no real zeros because the graph does not have any x intercepts. Zach says the function has one real zero because there is a y intercepts. Is either of them correct? Explain your reasoning using the RACE model in the space below. (Reminder: R-Restate A-Answer C-Cite evidence E-Explain your solution)
Answer:
Step-by-step explanation:
real solutions are the points where the graph cuts x-axis.
This graph do not cut x-axis.
So it has no real solution.
The volume of a rectangular pyramid is 120 cubic centimeters. The base is 12
centimeters long and 5 centimeters wide. What is its height
Answer:The volume of a rectangular pyramid is 120 cubic centimeters. The base is 12 centimeters long and 5 centimeters wide. What is its height?
A.2
Step-by-step explanation: so rember try your best