equation that has solutions x = -2 and x = 8
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Related Questions
Colette has already spent 3 minutes on the phone, and she expects to spend 1 more minute
with every phone call she routes. In all, how many phone calls does Colette have to route
to spend a total of 26 minutes on the phone?
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can somebody help me with a question for math
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Answer:
sure whats the question
Step-by-step explanation:
For the equation:
y - 3 = 2(x + 4),
which of the following is TRUE?
The line has m = 2 passing through the point (-3, 4)
The line has m = 2 passing through the point (3, -4)
The line has m = 2 passing through the point (4, -3)
The line has m = 2 passing through the point (-4, 3)
Answers
Answer:
fourth option
Step-by-step explanation:
The equation of a line in point- slope form is
y - b = m(x - a)
where m is the slope and (a, b) a point on the line
y - 3 = 2(x + 4) ← is in point- slope form
with slope m = 2 and (a, b) = (- 4, 3 )
Answer: fourth answer
Step-by-step explanation: when you put it into slope point form you find out m=2 and (-4,3)
Choose the multiplicative inverse of 5/3
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Answer: I think that would be 5x3
Step-by-step explanation:
at 11 hours, 42 minutes and 5 hours, 46 minutes
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Answer
https://zoom.us/j/99385592884?pwd=ajVOcXZSbGcyT3N3N0kxQm5Zek81Zz09er:
Step-by-step explanation:
Answer:
17 hours and 28 min
Step-by-step explanation:
The construction crew places a sign every 1 3/4 miles on a stretch of a road that is 8 3/4 long. How many signs will that use
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Answer:
5
Step-by-step explanation:
I big brain
A square is constructed with an area of 18 square feet what is the approximate length of one side?
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Answer:
The answer is about 4.242 feet
A geometric pattern is made using 17 triangles and squares. If the triangles and squares have a total of 64 sides, how many triangles were used?
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Answer: 13 triangles were used.
Step-by-step explanation:
Each triangle has 3 sides where each square has 4 sides.
Total triangles and squares = 17
Total sides they have = 64
Let x= Number of triangles , y= Number of squares
3x = sides of all triangles , 4x = Sides of all squares.
Now, [tex]x+y=17\ \ \ \ (i)[/tex]
[tex]3x+4x=64\ \ \ \ \ (ii)[/tex]
Multiply 3 on both sides of (i) , we get
[tex]3x+3y = 51\ \ \ \ (iii)[/tex]
Eliminate (ii) from (ii)
x= 13
Put this in (i), we get
[tex]13+y=17\\\\\Rightarrow\ y= 17-13=4[/tex]
Hence, 13 triangles were used.
There were 4 triangles used to frame a geometric pattern
System of EquationsTwo are more equations that shares common variables are the system of equations. System of equations can be solved by using elimination method or substitution method .
Use the given information to frame system of equations.
Assume variables for the unknown
Let x be the number of triangles used and 'y' be the number of squares used
A geometric pattern is made using 17 triangles and squares.
Sum of triangles and squares is equal to 17
[tex]x+y=17[/tex]
the triangles and squares have a total of 64 sides,
Each triangle has 3 sides and each square has 4 sides
[tex]3x+4y=64[/tex]
Solve both the equations using substitution method
[tex]x+y=17\\y=17-x[/tex]
Substitute y in second equation
[tex]3x+4y=64\\3x+4(17-x)=64\\3x+68-4x=64\\-1x+68=64\\-1x=64-68\\-1x=-4\\x=4[/tex]
Now find out y
[tex]y=17-x\\y=17-4\\y=13[/tex]
'x' is the number of triangles used
x=4, so 4 triangles were used
Learn more information about 'system of equations ' here
brainly.com/question/13729904
How do you Solve (−7) ⋅ (−4)
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Answer:
Step-by-step explanation:
So that " ⋅ " sign is just the multiplication, and always remember:
WHENEVER YOU MULTIPLY TWO NEGATIVE NUMBERS THE PRODUCT IS ALWAYS POSITIVE
So you just multiply 7 and 4 which is 28 and leave it be.
If you need more help, comment.
I'm sorry for my wrong explanation.
How do you solve 18x+27=117
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Answer:
x = 5
Step-by-step explanation:
18x = 117 - 27
18x = 90
x = 90/18
x = 5
Answer:
18x + 27 = 117
collect like terms
18x = 117 - 27
18x = 90
divide both sides by 18
x = 5
Marcelino bought balloons to sell at lunches to raise money for charity
Item
Thirty Balloons
Ribbon
Helium Tank Rental
Cost
$22.50
$7.50
$15.00
Marcelino claims he will raise a lot of money by selling each balloon for $1.25. Which statement is true about the
amount of money he will make it he sells all of the balloons?
Marcelino will only make a profit of $7.50; each balloon costs $1.50, so he's making S 25 on each balloon
Marcelino will break even; his cost will equal his profits
Marcelino will have $7.50: his costs are more than his profits
Marcelino will raise $45.00, each balloon raises $1.50
Answers
Marcelino will bear a loss of $7.5 and the correct statement is "Marcelino will have a loss of $7.50: his costs are more than his profits".
Given information:
The requirements and cost of making the ballons is:
Item Cost
Thirty Balloons $22.50
Ribbon $7.50
Helium Tank Rental $15.00
Marcelino sells balloons at the rate of $1.25 per balloon.
The total cost of creating 30 balloons will be,
[tex]22.5+7.5+15=\$\;45[/tex]
Now, after selling 30 balloons, he will earn,
[tex]1.25\times 30=\$\;37.5[/tex]
The earning is less than the cost of making the balloons.
So, Marcelino will bear the loss. The loss can be calculated as,
[tex]45-37.5=\$\;7.5[/tex]
Therefore, Marcelino will bear a loss of $7.5 and the correct statement is "Marcelino will have a loss of $7.50: his costs are more than his profits".
For more details, refer to the link:
https://brainly.com/question/984538
Answer:
I think C
Step-by-step explanation:
marcelio will have -$7.50; his costs r more then his profits
plz help ill mark brainliest anyone does this right plz help
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Answer:
1, My friend’s house is about 160940 cm from mine
2, My bedroom is 2940 sq ft
3, My fish tank holds 24000 ml
4, I ran 6378.1 km this year!
5, The national park in my state is 322280000 cubic miles
Step-by-step explanation:
give da crown XD
Solve the equation using the Properties of Equality.
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Answer:
Step-by-step explanations:
can you please help me
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What is the solution to the inequality 3(2x-1) > 4x - 2
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Answer:
x>1/2
Step-by-step explanation:
In a recent year, the annual salary of the Governor of New York was $179,000. During the same year, the annual salary of the Governor of Tennessee was $94,000 less. Write and solve an equation to find the annual salary of the Governor of Tennessee in that year.
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Answer:
179,000-94000
Step-by-step explanation:
85000 He made $85000
Answer:
the answer is $85,000
Step-by-step explanation:
so basically you just subtract because less stands for subtraction
179000
-94000
________
$85,000
hope i helped and sorry if i was late :)
DO NOT AWNSER IF YOU DO NOT KNOW
Will give Brainliest, like, comment, and 5 points
Lin is reading a 47-page book. He reads the first 20 pages in 35 minutes.
A. At this rate lin will complete the book in under an hour?
B. If so, how much time will he have left? If not, how much more time is needed?
C. Explain all the reasoning.
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Answer with step-by-step explanation:
A. No
B. 22.25
C:
A. 20 is less than half of 47, and 35 is more than half of 60, which clearly means Lin would need more time.
B. 35 × 2 = 70. 70 - 60 = 10. 7/20 × 35 = 12.25. 10 + 12.25 = 22.25
Hope this was helpful!
Find the value of the expression (look at the image)
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Answer:
1
Step-by-step explanation:
Anything raised to the power of zero is one. And 1^-2 is is 1.
What is 0.00308 written in scientific notation? Group of answer choices
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Answer:
3.08 x 10^-3
Step-by-step explanation:
when putting into scientific notation, you must make it to where there is one number to the left of the decimal. If you move the decimal left, it equals a negative power, if you move it right, it equals a positive power.
What is the purpose of properties? for math
20 points HELP ASAP!!!!!!!!
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Answer:
Remembering the properties of numbers is important because you use them consistently in pre-calculus. The properties aren't often used by name in pre-calculus, but you're supposed to know when you need to utilize them.
What is a common multiple of 12 and 20?
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Answer:
the common multiple between 12 and 20 is 60
Answer:
60
Step-by-step explanation:
5(12)=60
3(20)=60
g (x) = 4n - 5
h(x) = -3n^2 - 5
find g(3)+h(2)
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Answer:
g (3) +h (2) = 3g + 2h
Micah found the least common multiple of 8 and 12. His work is shown below.
Multiples of 8: 8, 12, 16, 20, 24, 28, . . .
Multiples of 12: 12, 24, 36, 48, 60, . . .
The least common multiple is 12.
What is Micah’s error?
Micah listed some values that were not multiples.
Micah listed factors of each number instead of multiples.
Micah should have multiplied 8 and 12 to find the least common multiple.
Micah selected a multiple that is not the least of the common multiples.
Answers
Answer: The answer is A
Step-by-step explanation:
12 is NOT a multiple of 8. She only listed multiples for 12 not 8.
Answer:
the anwer is a
Step-by-step explanation:
some of the numbers were not factors
Can someone help plz!
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Answer:
Do you still need this one?
Step-by-step explanation:
[tex]x\geq 1[/tex]
Yo could y’all help me with 6th grade math
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Answer:
260
570
850
920
410
710
660
120
that all for now they out of order
Step-by-step explanation:
Answer:
2601204105705901908501003009205302004106309607108101000660810640Step-by-step explanation:
You better give brainliest for that also please refrain from these type of questions. I bet people would apprieate it
how can you solve quadratic equation in one variable using factoring method?
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If there exists a sum of two numbers that equal b, whose addends produce a product that equals c. You can rewrite the quadratic as a product of two binomials.
For example take
When thought through throughly, -5 had addends, -2 and -3 that produce 6 when multiplied
Thus, we can rewrite the quadratic as.
Emma bought a salad for $4.75 and a drink for $1.65. She had $18.35 left. How much money did she
have before she bought the salad and drink?
A $11.95
B. $20.00
C$23.10
SD $24.75
5 01 14 Answered
Answer quickly please
Answers
Answer:
D. $24.75
Step-by-step explanation:
24.75 - 4.75 - 1.65 = 18.35
Games at a fall festival cost 4$ each. The total cost of the awards for the winners of those games cost 162.50. How many games should be played in order to make 75$
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Answer:19 games would have to be played.
Step-by-step explanation:
The length of a rectangular piece of cardboard is 1 4/5 meters. If its width is 2/3 of its length, what is the width of the cardboard?
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Answer:
6/5 or 1.2
Step-by-step explanation:
First, you need to multiply the length by how much the width is of the length, which is 2/3, so you multiply 1 4/5 by 2/3 and you get 6/5. If you want the decimal form, then the answer will be 1.2.
what’s the answer to X + 0.2 = -0.8
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Answer:
x=-1
Step-by-step explanation:
X+0.2=-0.8
x=-1
x = -1