Answer:
3 to 9
Step-by-step explanation:
How to solve (x-10)(x + 10)
Answer:
x² - 100
Step-by-step explanation:
Use the FOIL method. The FOIL method is the way in which you multiply the terms:
FOIL stands for First, Outside, Inside, Last. Multiply:
First:
x * x = x²
Outside:
x * 10 = 10x
Inside:
-10 * x = -10x
Last:
-10 * 10 = -100
Combine like terms:
x² + 10x - 10x - 100
x² + (10x - 10x) - 100
x² - 100
x² - 100 is your answer.
~
Answer:
x^2-100
Step-by-step explanation:
Use the F.O.I.L method
x^2+100x-100x-100
7x – 5(х + 8) = 5х – 28
Step-by-step PLEASE!!!!
Answer:
Step-by-step explanation:
Answer:
-4
Step-by-step explanation:
7x – 5(х + 8) = 5х – 28
7x - 5x + (-40) = 5x - 28
+ 5x + 5x
7x + (-40) = 10x - 28
- 7x - 7x
-40 = 3x - 28
+ 28 + 28
-12 = 3x
Then divide.
-4
A team has won 51 out of 68 games. Explain how to use the bar diagram to find the percent of games the team has won. A 2-column table with 5 rows. Column 1 has entries 25 percent, 25 percent, 25 percent, 25 percent. Column 2 has entries 17, 17, 17, 17, 68.
Answer:
a total number of games played would be 68
Answer:
In the diagram, 17 represents 25% of the total games. Since 17 times 3 equals 51, you use the first 3 columns to find an answer of 75%.
Step-by-step explanation: Make me brainliest plz
Mark has $500 in his savings account. If he saves $25 each month,
how money months will it take him to have $1000?
I really need help with this question. Please answer ASAP.
9(-5)=
Answer:
-45
Step-by-step explanation:
9 multiplied by -5 is -45 because when multiplied a positive number to a negative number stay negative
The height of each story of an office building is 9 3/4 feet. The height is measured from the ceiling to the floor. The building has three underground levels for parking. A car is parked two levels below ground. At what elevation are the car’s tires relative to the ground level? Assume the ground level is at zero feet.
A) -19 1/2 feet
B) -12 feet
C) 8 feet
D) 19 1/2 feet
please explane how??
Answer:
The correct answer is A) -19 1/2
Step-by-step explanation:
odd number have more than exactly by 2 true or false
How are linear functions used in everyday life?
Answer:
Step-by-step explanation:
Almost any situation where there is an unknown quantity can be represented by a linear equation, like figuring out income over time, calculating mileage rates, or predicting profit. Many people use linear equations every day, even if they do the calculations in their head without drawing a line graph.
Answer:
They don't bro
Step-by-step explanation:They should teach us how to do stuff that will actually help us in real world situations
A shop sells matching hats and scarves.The scarves cost 1.5 times as much as the hats.Write two patterns that could represent the cost of 1234 and 5 hats and scarves.List the first 5terms of each pattern.Then explain how to find the cost of 6hats and scarves,using the patterns you wrote u
Answer:
Kindly check explanation
Step-by-step explanation:
Given that :
Let Cost of hats = h
Cost of scarves = 1.5h
Hence if hats cost $h, then the cost of scarves will be; (1.5 * h)
Using tables :
If the cost of an hat = $2
Hence,
N _____cost of hat(h) ____cost of scarve
1_______2*1 = 2 _________1.5(2) = 3
2______2 *2 = 4 _________1.5(4) = 6
3______2*3 = 6 _________1.5(6) = 9
4 ______ 2*4 = 8 ________1.5(8) = 12
5 ______2 *5=10 ________1.5(10) = 15
Cost of 6 hats and scarve:
Cost of hat:
2 * 6 = $12
1.5h = 1.5(12) = $18
CAN SOMEONE PLEASE HELP ME PLEASE
9514 1404 393
Answer:
d. z = -48
Step-by-step explanation:
When j ║ k, corresponding angles are congruent, so ...
x = 4z +3y
57 = y + z
and the same-side interior angles are supplementary:
57 +x = 180 ⇒ x = 123
__
This lets us write two equations in y and z:
3y +4z = 123
y +z = 57
Using the second equation to write an expression for y, we have ...
y = 57 -z
Substituting this into the first equation gives ...
3(57 -z) +4z = 123
z +171 = 123
z = -48 . . . . . . . subtract 171
The value of z that makes j║k is -48.
___
The corresponding value of y is 105.
Factoring
solve this and show the steps please, i know the answer but not the steps
25x^2-81
Answer:
( 5x-9) (5x+9)
Step-by-step explanation:
25 x^2 - 81
Rewriting
(5x)^2 -9^2
This is the difference of squares
a^2 -b^2 = ( a-b)(a+b)
(5x)^2 -9^2 = ( 5x-9) (5x+9)
25x^2 -81
Write the number in the exponential form with an exponent of 2
5^2 x^2 -81
Write the number in the exponential form with an exponent of 2
5^2 x^2 -9^2
Multiply the terms with equal exponents by multiplying their bases
(5x)^2 -9^2
Using a^2-b^2=(a-b)(a+b), factor the expression
(5x-9)× (5x+9)
Answer: (5x-9)×(5x+9)
PLEASE GIVE ME BRAINLIEST ANSWER
What is 2x+1+7x=-8? Could you show work, please?
Answer:
Step-by-step explanation:
2x + 1 + 7x= -8
~2x + 7x = 9x
9x + 1 = -8
move 1 to the other side
9x = -1 -8
9x = -9
divide
X = -1
Answer:
Step-by-step explanation:
Simplifying
2x + -1 = 7x + -8
Reorder the terms:
-1 + 2x = 7x + -8
Reorder the terms:
-1 + 2x = -8 + 7x
Solving
-1 + 2x = -8 + 7x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-7x' to each side of the equation.
-1 + 2x + -7x = -8 + 7x + -7x
Combine like terms: 2x + -7x = -5x
-1 + -5x = -8 + 7x + -7x
Combine like terms: 7x + -7x = 0
-1 + -5x = -8 + 0
-1 + -5x = -8
Add '1' to each side of the equation.
-1 + 1 + -5x = -8 + 1
Combine like terms: -1 + 1 = 0
0 + -5x = -8 + 1
-5x = -8 + 1
Combine like terms: -8 + 1 = -7
-5x = -7
Divide each side by '-5'.
x = 1.4
Simplifying
x = 1.4
which is a y intercept of the graphed function
Answer:
-9
Step-by-step explanation: It crosses the y axis. A y intercept is in when the x axis is 0. So the point would be (0,-9).
. Your teacher recently found an old Nintendo in a thrift store. Use the formula to predict
the value of the Nintendo in 2020? (Remember, x is the years after 1986, and y is the
value, in $.) Do you think this is a realistic prediction of the value of that Nintendo?
Answer:
I'm love this question... I'm a huge gamer myself.
Anyway.. I would say it depends on the year.
PLEASE HELP WILL GIVE BRAINLIEST!!!
Answer:
i think its b is it isn't dont beat me up
Which transformations could be performed to show that Abc is similar to A’B’C’?
Answer:
reflection or translation
Step-by-step explanation:
this is more then likely the answer depending on how the 2 shapes are aligned and matched.
eg(the sides or shape is the exact same)
translation: is the exact shape and size just moved to another area
Answer:
take away the ', ', and '
Step-by-step explanation: if you take them away a'b'c' becomes abc
3(4x-7)=27
What does x =?
Please help asap im timed!!!
Answer:
x = 4
Step-by-step explanation:
3 x ( 4x -7 ) = 27
3 x 4x = 12x
3 x -7 = -21
12x -21 = 27
12x -21 + 21 = 27 + 21
12x = 48
12x/12 = 48/12
x = 4
Which line represents the linear equation
-3y = 15 - 4x?
The equation -3y = 15 - 4x rewritten in slope-intercept
form is
The y-intercept is v and the slope of the line is
Line
is the graph of the line -3y = 15 - 4x.
Answer:
The equation –3y = 15 – 4x rewritten in slope-intercept form is
✔ y = (4/3)x – 5
.
The y-intercept is
✔ –5
and the slope of the line is
✔ 4/3
.
Line
✔ B
is the graph of the line –3y = 15 – 4x.
Line B represents the given linear equation [tex]-3y =15 -4x.[/tex]
Slope intercept form is [tex]y = \frac{4}{3}x-5[/tex]
y-intercept is -5.
Slope of the line is [tex]\frac{4}{3}[/tex].
What is linear equation?" Linear equation is defined as the algebraic expression whose highest exponent of the variable is 1."
Formula used
Slope = [tex]\frac{y_{2}-y_{1} }{x_{2} -x_{1} }[/tex]
Slope intercept form y=mx +c
c = y-intercept
m = slope
According to the question,
Given linear equation,
[tex]-3y = 15-4x[/tex]
Convert the given linear equation in slope intercept form we get,
[tex]y = \frac{4}{3}x-5[/tex]
Compare it with the formula we get,
Slope 'm' = [tex]\frac{4}{3}[/tex]
y-intercept = -5
From the diagram we can have coordinates of line B
[tex]( x_{1} ,y_{1} )= (3,-1)\\\\( x_{2} ,y_{2} )= (0,-5)[/tex]
Substitute the value to get slope of line B,
Slope of line 'B' = [tex]\frac{(-5-(-1))}{0-3}[/tex]
[tex]= \frac{-4}{-3} \\\\=\frac{4}{3}[/tex]
From the diagram y-intercept for line B is -5.
Equation of line B
[tex]y = \frac{4}{3}x-5[/tex]
Hence, slope intercept form is [tex]y = \frac{4}{3}x-5[/tex]. Line B represents the given equation with y-intercept is -5 , Slope of the line is [tex]\frac{4}{3}[/tex].
Learn more about linear equation here
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Wells, Keviyana &
Algebra 2 Trig Unk 1 Test 2020 / 2 of 10
Il Pause
Help -
The park in Springtown has a 2.13 km hiking trail. How many miles long is the hiking trail? (1 km =
0.6214 miles)
Answer:
1.32
Step-by-step explanation:
we have the known,
2.13 km * 0.6214 miles = 1.323521 or 1.32 miles
1 km
Use the Distributive Property to rewrite each expression. Then evaluate.
9(7 + 8)
What is nine plus ten? If you get it right I’ll give you brainliest
Answer:
19
Step-by-step explanation:
ok is this just a joke?
nine plus ten
9 + 10 = 19
#3: Create an equation that include at least 3 steps and the
distributive property that has a solution of 6.
Erica plays 6 songs in 1/4 of an hour. How many would she play in 1 hour?
Answer:
24 songs
Step-by-step explanation:
4 × 6 = 24 songsI hope this helps!
BOXES Simon will make a box without a top by cutting out corners of equal size from a 22 inch by 15 inch sheet of cardboard and folding up the sides. Which of the following is closest to the greatest possible volume of the box?
a. 330 in3
b. 144 in3
c. 432 in3
d. 1296 in3
Answer:
Volume of box is [tex]432 in^3[/tex]
Step-by-step explanation:
Let x be the side of square corner
Length of box after cutting corners =22-2x
Breadth of box after cutting corners =15-2x
Height =x
Volume of box = (22-2x)(15-2x)x
Volume of box =[tex]4x^3-74x^2+330x[/tex]
Differentiate w.r.t x
[tex]\frac{dV}{dx}=12x^2-148x+330[/tex]
Substitute derivative =0
[tex]12x^2-148x+330=0\\x=\frac{37-\sqrt{379}}{6},\frac{37+\sqrt{379}}{6}\\\frac{d^2V}{dx^2}=24x-148[/tex]
at [tex]x=\frac{37-\sqrt{379}}{6}[/tex]
[tex]\frac{d^2V}{dx^2}=24x-148=24(\frac{37-\sqrt{379}}{6} )-148=-77.87 < 0[/tex] hence maximum
at [tex]x=\frac{37+\sqrt{379}}{6}[/tex]
[tex]\frac{d^2V}{dx^2}=24x-148=24(\frac{37+\sqrt{379}}{6} )-148=77.87>0[/tex] hence minimum
So,Volume of box =[tex]4x^3-74x^2+330x=4(\frac{37-\sqrt{379}}{6} )^3-74(\frac{37-\sqrt{379}}{6} )^2+330(\frac{37-\sqrt{379}}{6} )=432.23 in^3[/tex]
Hence Volume of box is [tex]432 in^3[/tex]
which one is it??.......
Graph the image of AUVW after a translation 2 units right and 10 units up.
to
8
6
4
2
-10
-8
-6
-2
0
2
4
6
8
TO
-2
-4
w
U
-6
-8
10
Answer:
gggggg 4 h5re gedfr
Step-by-step explanation:
fffffdfdfffeg45ty4
Consider the linear equation.
32 4y = 18
Which two ordered pairs are on the graph of the linear equation?
how do you do trigonometery with 2 angles and a length
Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles, with these functions one can answer virtually all questions about.
Answer:
(a/sinA)＝(b/sinB)＝(c/sinC)
Step-by-step explanation:
a and b and c is the length
A,B,Cis angle.
This is a formula.
E.g. the angle opposite of the length a is A.
Irma has 4 cups of powdered sugar. She sprinkles 1/2 of the sugar onto a plate of brownies and sprinkles the rest onto a plate of lemon cookies. How much sugar does Irma sprinkle on the brownies?
Answer: 2 5/12
Step-by-step explanation:
what is 1000+194728573857275939868385937583957389583898389583958398395
Answer:
there is no way that is an actual question
Step-by-step explanation:
194728573857275939868385937583957389583898389583958399395
