Answer:
the number can be either 8 or 3.
Step-by-step explanation:
Let's define N as the "number"
We know that when the square of this number is increased by 24:
N^2 + 24
we got eleven times the original number, then:
N^2 + 24 = 11*N
We just need to solve this for N
To do it, we first move all the terms to one side of the equation:
N^2 - 11*N + 24 = 0
Now we can use the Bhaskara's formula for the zeros of a quadratic equation:
for a general quadratic equation:
a*x^2 + b*x + c = 0
the roots or zeros are given by:
[tex]x = \frac{-b \pm \sqrt{b^2 - 4*a*c} }{2*a}[/tex]
We get then:
[tex]N = \frac{-(-11) \pm \sqrt{(-11)^2 - 4*1*24} }{2*1} = \frac{11 \pm 5}{2}[/tex]
So we have two solutions:
N = (11 + 5)/2 = 16/2 = 8
N = (11 - 5)/2 = 6/2 = 3
So the number can be either 8 or 3.
Pls help me with 5 I need a answer and a explanation
Answer:
72
Step-by-step explanation:
If x = 4 in 6(x+8) then the new expression is 6(4+8):
6*4&6*8
24+48
72
The vertices of a triangle are \large A\left(-4,-2\right), \large B\left(1,3\right) and \large C\left(4,-2\right).
Answer:
[tex]Area = 20[/tex]
Step-by-step explanation:
Given
[tex]\large A\left(-4,-2\right), \large B\left(1,3\right), \large C\left(4,-2\right).[/tex]
Required
The area
The area of a triangle is:
[tex]Area = \frac{1}{2}|A_x(B_y - C_y) + B_x(C_y - A_y) + C_x(A_y - B_y)|[/tex]
So, we have:
[tex]Area = \frac{1}{2}|-4(3 - -2) + 1(-2 - -2) + 4(-2 - 3)|[/tex]
[tex]Area = \frac{1}{2}|-4*5 + 1*0 + 4*-5|[/tex]
[tex]Area = \frac{1}{2}|-40|[/tex]
[tex]Area = \frac{1}{2}*40[/tex]
[tex]Area = 20[/tex]
please help if i don’t pass this im screwed
Answer:
G, y = 2x+1 is correct
Answer:
G. y = 2x + 1.
Step-by-step explanation:
I did the math. Not sure about the B in y = mx + b though... Good luck.
I need help with this problem. please help.
Answer:
it's D
Step-by-step explanation:
A microbiologist during a study on a culture of 250 bacteria noticed that he can model the number of bacteria after t number of days by
the equation B = 250 x 4^t In this equation what does 4^t represent?
A The number of bacteria increases by t after 4 days
B. The number of bacteria increases by a factor of teach day for 5 days.
C. The number of bacteria increases by a factor of 4 each day
D. The number of bacteria increases by 4 each day
i need help please!!
From the given equation, [tex]4^{t}[/tex] represent the number of bacteria increases by a factor of 4 each day.
What is an equation?An equation can be defined as a mathematical statement consisting of an equal symbol between two algebraic expressions that have the same value.
A microbiologist during a study on a culture of 250 bacteria noticed that he can model the number of bacteria after t number of days by the equation
[tex]B = 250 \times[/tex] [tex]4^{t}[/tex]
t stands for training days(Add one to the power of 4 every day)
Every day is four time more than the day before.
So, the number of bacteria increases by a factor of 4 each day.
So, this answer is Option C.
Find out more information about equation here
https://brainly.com/question/2263981
#SPJ3
Two numbers that add to -4 and multiply to -45.
Answer:
-9 and 5 make -4 and -45
Step-by-step explanation:
-9 and 5 make -4 and -45
Please look at the image
Answer:
F=2E
ANGLE F+ANGLE E=120
2E. + E. =120
3E=120
E=40
A car travels 76 km in 49 minutes.
What is its average speed in km/h?
Give your answer rounded to 1 decimal place.
Answer:
Step-by-step explanation:
76 km * 60 min = 4560/49 km/hr = 93.1
49 min 1 hour
Find the length of the third side. 20 24
Answer:
Hypotenuse (Third side) = 31.24
Step-by-step explanation:
20² + 24² = Hypotenuse²
400 + 576 = Hypotenuse²
976 = Hypotenuse²
[tex]\sqrt{976}[/tex] = Hypotenuse
31.24 = Hypotenuse
Therefore, the measure of the third side would be: 31.24
Hope this helps!
every parallelogram is a square?
every rectangle with four congruent sides is a square?
every rectangle is a quadrilateral?
every quadrilateral is a rectangle?
Answer:
every parallelogram is a square? False
every rectangle with four congruent sides is a square? True
every rectangle is a quadrilateral? True
every quadrilateral is a rectangle? False
Step-by-step explanation:
every parallelogram is a square?
A parallelogram has two opposite pairs of parallel lines and opposite congruent sides. A square needs to have 4 right angles and all sides need to be equal. In the restrictions of a parallelogram, these cannot be concluded, therefore parallelogram are not always squares.
every rectangle with four congruent sides is a square?
Square require 4 congruent sides and 4 right angles. Rectangles already have 4 right angles. If you add 4 congruent sides to the mix, it means that these rectangles are always squares.
every rectangle is a quadrilateral?
A quadrilateral is defined by a shape having 4 sides. Rectangles have 4 sides, so they fit into the category of quadrilaterals.
every quadrilateral is a rectangle?
A quadrilateral is a just a shape with four sides. We do not know if it has 4 right angles, so not every quadrilateral is a rectangle.
help me please!!!!!!!!!!!!!!!!!!!
Answer:
49
Step-by-step explanation:
I'm doing my missing assignments, help me solve this please, and don't report me because it's not a test
Answer:
14.4 solved by doing 24(3/5)
Step-by-step explanation:
a ratio can be seen as division
3:5 = 3/5
Answer:
14.4
Step-by-step explanation:
As mentioned in the comments (24/5)*3 =
4.8 * 3 = 12 + 2.4 = 14.4
Another way:
24/5 = x/3
72 = 5x
x = 14 2/5 = 14.4
If my answer is incorrect, pls correct me!
If you like my answer and explanation, mark me as brainliest!
-Chetan K
4.
Before hibernation, a bear weighs 990 pounds. The bear loses 32% of his weight
How much does the bear weight after
Answer:
Jjjj
Step-by-step explanation:
Flight
Suppose you deposit $2,000 in a savings account that pays interest at an annual rate of 5%. If no money is added or withdrawn from the account, answer the
following questions. How much will be in the account after 3 years
Answer:
2300
Step-by-step explanation:
multiply 2,000 by 15% and add it to 2,000
What is the slope of the line with the equation y +2 = -3(x – 7)?
OA.m = -3
O B. m = 3
O C. m = 2
O D. m = -7
Answer:
A.m = -3
Step-by-step explanation:
This equation is written in point slope form
y-y1 = m(x-x1)
y +2 = -3(x – 7)
y - -2 = -3(x – 7)
The slope is -3 and the point is (7, -2)
Write the equation of the parabola in vertex form.
Answer: Hi! The answer is, y=-(x-2)^2
Step-by-step explanation:(The explanation is in the image below) I hope that this helps you!
What is the value of log Subscript 0.5 Baseline 16?
Answer:
its -4, guy above me is right!
Step-by-step explanation:
Bradley wants to build a shop in his backyard. He knows the shop will be a rectangular shaped building. He wants the length of the shop to be the expression of 3x + 23 and the width to be 2x + 17. Write a trinomial that would represent the area of the shop. Show your work
Answer:
A = 6x² + 97x + 391
Step-by-step explanation:
Given that,
The length of the shop, l = (3x+23)
The width of the shop, b = (2x+17)
The expression for the area of the shop is given by :
A = lb
Put all the values,
A = (3x+23) × (2x+17)
= 6x² +51x+46x +391
= 6x² + 97x + 391
Hence, the expression for the area of the shop is equal to 6x² + 97x + 391.
PLEASE HELP ME!! THANK YOU SO MUCH!!
EXPLANATION = BRAINLIEST
Answer:
Step-by-step explanation:
volume=πr^2h
461.58=3.14*r^2*12
461.58=37.68*r^2
461.58/37.68=r^2
12.25=r^2
[tex]\sqrt{12.25[/tex]=r
3.5=r
diameter=radius*2
=3.5*2
=7 in.
Answer:
Step-by-step explanation:
volume of a cylinder= base area times height or pie (r) squared * (h)
461.58=pie r squared h
461.58=3.14*r squared *12
461.58=37.68*r squared
please do the rest .
Solve for x. -9 = 2x + 3
Answer:
x=-6
Step-by-step explanation:
-9=2x+3
-9-2x=3
-2x=9+3
2x=-9-3
2x=-12
x=-6
What is the length of AC?
Geometry, see attachment.
Answer:
D.144
Step-by-step explanation:
[tex]\frac{7}{x} = \frac{84}{156-x}[/tex]
⇔ 84x = -7x + 1092
⇔ 91x = 1092
⇔ x = 12
⇒ AC = 156 - x = 156 - 12 = 144
In general,
data
but do not measure.
A. numerical; classify
B. categorical; classify
C. categorical; value
D. none of the above
Answer:
D. None of the AboveStep-by-step explanation:
Because they are all kinds of statistical Data#hopeithelpsstay safe and keep wellMark me as brainliest plsBarry drew a scale drawing of an office building. The scale of the drawing was 3
inches = 2 feet. A desk is 6 feet long in real life. How long is the desk in the
drawing?
Answer:
3inches=2feet and
Xinches=6feet so Cross multiply
2X=18 divided both sides by 2
X=9inches therefore
the answer is 9inches
What is the quotient of Negative StartFraction 3 over 8 EndFraction and Negative one-third?
Answer:
6
Step-by-step explanation:
Answer:
1/18
Step-by-step explanation:
I took the test :)
Which fraction is equal to 12%
Answer:
3/25
Step-by-step explanation:
Simplify the fraction by using common factors of numerator and denominator. Now, 12% can be written as 12/100.
Expand the expression 3.5(-3n + 4)
Answer:
Step-by-step explanation:
3.5(-3n+4)
=3.5*-3n+3.5*4
=-10.5n+14
Answer:
[tex]-10.5n+14.[/tex]
Step-by-step explanation:
DISTRIBUTIVE PROPERTY: WHEN YOU MULTIPLY A NUMBER OUTSIDE OF THE PARENTHESIS BY THE NUMBERS ON THE INSIDE.
This expression requires distributive property.
SOLVE:
[tex]3.5 (-3n + 4)[/tex]
[tex]3.5*-3n=-10.5n[/tex]
[tex]3.5*4=14.[/tex]
[tex]3.5(-3n + 4)=-10.5n+14.[/tex]
SOLVE ASAP ROCKY PLSSS IM TRYING TO PASS
what is the solution of the following system of equations.
2x + y = 18
3x - y = 17
x= y=
The area of a square piece of land in square units can be represented by the expression 9q^4r^8s^6What is the length
of one side of the piece of land?
Answer:
I'll setup the problem, you do the calculation
Step-by-step explanation:
given the area of a square, you take the square and that is the side of the square
[tex] \sqrt{9 {q}^{4} {r}^{8} {s}^{6} } [/tex]
the square root of a number that is raised to a power is found by dividing the power by 2
example
[tex] \sqrt{ {x}^{6} } = {x}^{3} [/tex]
do that for each term and you have you answer
comment if you have questions
CAN SOMEONE PLS HELP ME , ILL MARK BRAINLIEST
Answer:
Second option: 314.2 cubic feet
Step-by-step explanation:
Use this formula:
[tex]V =\pi r^2h[/tex]
---------------------------------------------------------------------------------------------------------------
So:
π × 25 × 4 = 314.2
---------------------------------------------------------------------------------------------------------------
Have a good day :)
Answer:
V≈314.16
Step-by-step explanation:
i cant see the number optian clearly so youll have to round ut that the volume
Answers? Please Fast
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