Answer:
a = 2, b = 7, c = -5
Step-by-step explanation:
Hi, I took the test and this is the answer. If its K12 then I'm 100% its correct.
The values that can be use for a, b and c in the equation 2x² + 7x − 5 = 0 are a = 2, b = 7, c = -5
Quadratic equation formulaThe quadratic equation formula is represented as follows:
ax² + bx + c
where
a, b and c are unknown numbers. a is not 0x = unknownTherefore, lets model the equation to 2x² + 7x − 5 = 0 to ax² + bx + c
Hence,
a = 2
b = 7
c = -5
learn more on quadratic equation here: https://brainly.com/question/23020871
En cierta ocasión a Verónica le ofrecieron en su trabajo un aumento de 15 % en su salario mensual base, el cual era de $11 000.00, entonces me pidió que si le podía ayudar a determinar cuánto dinero le iban a aumentar. ¿Ya sabes cómo ayudar a Verónica?
Answer:
$12,650
No
Step-by-step explanation:
The computation of the increase in salary is shown below:
GIven that
The salary is $11,000
And, the increment percentage is 15%
So based on the above information
The salary after increment is
= $11,000 + $11,000 × 15%
= $11,000 + $1,650
= $12,650
No we dont know how to help veronica
David has a monthly after-tax income of $ 1430.15 1430.15 . He will be using the companies health insurance plan which costs $ 63 63 a monthand the retirement option which takes 7 7 % of his after tax income. Calculate David's Monthly Take-Home pay.
Answer:
$ 1267.
Step-by-step explanation:
Given :
David's monthly income after tax = $ 1430.15
His health insurance cost him in a month = $ 63
Percent deducted from his income after tax for his retirement option is = 7%
Therefore money left after retirement option deduction is :
$ 1430.15 - 7% of $ 1430.15
= 1430.15 - 100.11
= $ 1330.04
= $ 1330 (aprrox)
Money deducted from this amount for his health insurance plan
= $ 1330 - $ 63
= $ 1267
Therefore, David's monthly take home pay is $ 1267.
Find the ordered pair that is a member of both -2x + 6y = 34 and
2x + 2y = 14 or indicate if it does not exist or there are infinite
possibilities.
Answer:
(1, 6) is the solution
Step-by-step explanation:
-2x + 6y = 34
2x + 2y = 14; divide by 2
x + y = 7; subtract x
y = 7 - x
let's substitute y with 7 - x in first equation
-2x + 6*(7 - x) = 34; expand multiplication
-2x + 6*7 - 6*x = 34; group
-8x + 42 = 34; subtract 42
-8x = 34 - 42 = -8; divide by -8
x = 1
y = 7 - 1 = 6
It is the only solution, as we've arrived at exact numbers.
Order the list of decimals from least to greatest:.56, .056, .05, .6, .005
PLEASE HELP ASAP
A new tv show will air live at 8pm Eastern Standard Time.
What time will it air in Central Standard Time?
Answer:
7:00pm
Step-by-step explanation:
Question 8 (4 points)
(08.03)
Identify the factors of x2 - 8x - 20. (4 points)
1) (x + 4)(x - 5)
O 2) (x + 5)(x - 4)
3) (x - 10)(x + 2)
O 4) (x - 2)(x + 10)
PLEASE HELP!!
Answer:
(x − 10)(x + 2)
Step-by-step explanation:
i just took the test and thats the right answer:)
Is the following number rational or irrational?
7.11
Answer:
7.11 is a rational number, because it is a terminated decimal and can be expressed as a fraction.
Answer:
Rational
Step-by-step explanation:
7.11 contains a non-continuous decimal unlike pi or 1/3
PLEASE HELP!!!! While observing the fare meter in a taxi, a student records the following data:
Reading on Taxi Fare Meter
Time (minutes) Meter Reading
0 $7.75
10 $13.25
20 $18.75
30 $24.25
What is the equation that relates the cost, C(t), of the taxi ride and time, t, in minutes? What is the cost of a 42-minute taxi ride? (7 points)
C(t) = 0.55t + 7.75, $30.85
C(t) = 1.71t + 7.75, $79.57
C(t) = 0.775t + 5.50, $38.05
C(t) = 5.5t + 0.775, $231.78
Answer:
C(t) = 0.55t + 7.75, $30.85
Step-by-step explanation:
the fixed cost is $7.75. this is the cost incurred at zero minutes of the taxi ride
the variable cost or the cost per minutes driven =
(13.25 - 7.77) / (10 - 0) = 0.55
total cost = 7.75 + 0.55t
cost of 42 minutes = 7.75 + 0.55(42) = $30.85
Can someone please help me with this....im stuck.
Answer:
Step-by-step explanation:
One clue about where to start is this: the sentence describes the length by referring to the width. "The LENGTH is blah, blah, blah, the WIDTH. When that happens, choose a variable to represent the width (the quantity being referred to).
Width = w
Length IS three more than (added to) 4 times (multiplied by) the width
Length = 4w + 3
Area of a rectangle is the width multiplied by the length.
Equation: w(4w + 3) = 24
Solve.
Multiply out the left side.
4w^2 + 3w = 24
Subtract 24.
4w^2 + 3w -24 =0
This equation does not factor. Use the Quadratic Formula. One of the solutions is a negative number, so that should be rejected (width can't be a negative number).
[tex]w=\frac{-3+\sqrt{393}}{8}[/tex]
Substitute this into the expression 4w + 3 to find the length. A calculator can give you decimals for both dimensions.
please help! its due in 10 mins
Answer:
144
Step-by-step explanation:
sorry if im wrong its been awhile since ive done this
The ratio of boys to girls in Mr. Smith's class is 3:2. Which statement is correct? Circle all that apply. A For every 3 boys, there are 2 girls. B For every 2 boys, there are 3 girls. С There are exactly 5 students in Mr. Smith's class. D The ratio of the number of boys in the class to the total number of students is 3:5. E The ratio of the number of students in the class to the number of girls is 5 to 2.
Answer:
A.
Step-by-step explanation:
The ratio is set as boys to girls in the classroom. For every 3 boys, there are 2 girls in the classroom. This does not mean that there are only 5 people in the class.
PLEASE HELP! Whoever solves it first gets Brainliest!
Answer:
There mistake was on step three because 5 x 5 is 25 and the answer he got was 80.
Step-by-step explanation:
The total cost of 5 boxes of pasta is $13.00. Each box of pasta costs the same amount.
What is the cost, in dollars, for 1 box of pasta? (only enter a numerical answer in the box)
One box of pasta costs?
Answer:
$2.60
Step-by-step explanation:
13.00÷5=2.6
6 is in tens placement
The equation v=129t gives the number of views v for a video after t hours. Identify the independent and dependent variables.
independent variable
dependent variable
The equation v=129t gives the number of views v for a video after t hours. Identify the independent and dependent variables.
independent variable
dependent variable
The equation v=129t gives the number of views v for a video after t hours. Identify the independent and dependent variables.
independent variable
dependent variable
The equation v=129t gives the number of views v for a video after t hours. Identify the independent and dependent variables.
Answer: independent=t. dependent=v
Step-by-step explanation:
What is the difference between the cost of 15 visits with and without a membership? Show your work swimming
Question is incomplete :
It costs $4 to go to the swimming pool
The cost of n visits =
Membership at the pool costs $21. Members pay $3 each time. WHAT is The cost for a member to swim including membership fee?
What is the difference between the cost of 15 visits with and without a membership?
Answer:
Kindly check explanation
Step-by-step explanation:
Given that:
Swimming cost = $4
Cost of swimming n Times = cost per swim * number of swims
= $4 * n
= $4n
Membership cost = $21
Cost per swim for members = $3
Swimming cost including membership fee :
21 + 3n ; n = number of visits
For 15 visits ; n = 15
Amount paid :
Members = 21 + 3(15) = 21 + 45 = $66
Non - Member = 4(15) = 60
Difference :
$66 - 60 = 6
Members incur $6 more than non - members
Choose the three examples that can be measured with volume.
A. the space inside a paper bag
B. the amount of water in a pond
c. the space covered up by a poster
D. the amount of soup a bowl will hold
E. the amount of space on the surface of a table
Help would be gradually appreciated
Answer:
area is 60.75 m^2
Step-by-step explanation:
PLEASE HELPPPPPPPPPPPPPPPPPPPPPPPPP
Answer:
Area = 1/2*(19+4)*4
= 46cm²
Step-by-step explanation:
Hope it helps you!
Answer:
19 + 4 = 23
23 x 4 = 92
92 divided by 2 = 46
Step-by-step explanation:
Formula of a trapezoid:
B1 (base 1) + B2 (base 2) x height x 1/2 (basically dividing by 2)
Consider g(x)
4x + 9
x6+1
Which statement correctly uses limits to determine the end behavior of g(x)?
Answer:
the 3rd option
Step-by-step explanation:
Answer:
the correct answer to this is C, have a wonderful day :)
Step-by-step explanation:
3y+10= -5x and 5-2x=5y
have to solve with elimination or substitution please help I don't get how
Answer:
Answers In Images Below \/
Step-by-step explanation:
At an assembly 7 out of the first 10 students who entered the gym were carrying a backpack.
Based on this information, if 700 students were at the assembly, how many students could be expected to be carrying a backpack?
Record your answer on the keypad and fill in the bubbles on your answer document. Be sure to use the correct place value.
Answer: 490
Step-by-step explanation: If 7 out of ten students have a backback you can also say 7/10. If in total there are 700 students we can multiply 7/10 or .7 woth 700 and get the answer. (7/10)(700)=490
Please help I beg like right now and explain peae
Answer and Step-by-step explanation:
When we take a look at the graph, we can see that at around 1 gallon, which would be halfway between 0 and 2, the line is underneath $5.
That means we can eliminate any number that is or above $5.
That leaves us with answer choices A and C.
Let's go to a point that is easily readable. Point (4, 15) is readable, and we can use this to find the price per gallon.
Divide 15 by 4. We get 3.75 as the result.
This means that the answer choice is:
C. The cost of gas is $3.75 per gallon.
#teamtrees #PAW (Plant And Water)
A 52 foot ladder is set against the side of a house so that it reaches up 48 feet. If Jace
grabs the ladder at its base and pulls it 7 feet farther from the house, how far up the
side of the house will the ladder reach now? (The answer is not 41 ft.) Round to the
nearest tenth of a foot.
Answer:
44.4
Step-by-step explanation:
yes
Answer:
44.4
Step-by-step explanation:
i tried it nd it worked ;)
PLEASE I’m in classssss
Answer:
25 minutes
Step-by-step explanation:
Think about how many steps per minute Paul can walk. Knowing that he can walk 15 steps in 5 minutes, we can say that Paul can walk 3 steps/minute.
We're asked to figure out how many minutes it would take him if he walks at a constant speed if he takes 75 steps. So we can just divide 75 steps into 3 steps/minute and then we should get 25 minutes!
Answer:
25 Minutes.
Step-by-step explanation:
Its hard to explain.
For purposes of making on-campus housing assignments, a college classifies its students as Priority A (seniors), Priority B (juniors), and Priority C (freshmen and sophomores). Of the students who choose to live on campus, 22% are seniors, 29% are juniors, and the rest are underclassmen. The most desirable dorm is the newly constructed Gold dorm, and 71% of the seniors elect to live there. 19% of the juniors also live there, along with only 5% of the freshmen and sophomores. What is the probability that a randomly selected resident of the Gold dorm is a senior? Show as much work as possible.
Answer:
The probability that a randomly selected resident of the Gold dorm is a senior is 0.1562
Step-by-step explanation:
The given percentage of each class of student is presented as follows;
Priority A (seniors) = 22%, ∴ P(s) = 0.22
Priority B (juniors) = 29%, ∴ P(j) = 0.29
Priority C (freshmen and sophomores) = (100 - 22 - 29)% = 49%, ∴ P(fs) = 0.49
The percentage of the seniors that elect to live at the Gold dorm, = 71%, ∴ P(sG) = 0.71
The percentage of the juniors that live at the Gold dorm = 19%, ∴ P(jG) = 0.19
The percentage of the freshmen and sophomores that live in the Gold dorm = 5%, ∴ P(fsG) = 0.05
The probability that a randomly selected resident of the Gold dorm is a senior = P(s∩sG) = P(s) × P(sG)
∴ P(s∩sG) = 0.22 × 0.71 = 0.1562
Therefore;
The probability that a randomly selected resident of the Gold dorm is a senior = P(s∩sG) = 0.1562.
Help, please!! I really need a correct answer, please don't answer to get points. :(
Answer:
Multiyply all 3 numbers to get your answer.
Step-by-step explanation:
4.5*2*2
Answer: 1st one is 18
second one is 44
Step-by-step explanation:
2*2*4.5=18
A=2(wl+hl+hw)=2·(2·4.5+2·4.5+2·2)=44
What is an equation of the line that passes through the points (0,0) and (5,2)
Answer:
y = 2/5x
Step-by-step explanation:
slope = 2-0/5-0 = 2/5
y - 2 = 2/5(x - 5)
y = 2/5x
Select the equivalent expression.
Answer:
b.
[tex] {4}^{15} \times {5}^{10} [/tex]
Step-by-step explanation:
In the given expression u can bring the 5^-2 in the neumerator making it 5^2.
Then multiply both powers by 5.
Hope this helps !!!Consider the functions below. f(x)=|x+2| AND g(x)=x+8
Which of the following is the solution to f(x)=g(x) ?
A. (-5,3)
B. (-3,1)
C. (-2,-8)
D. (0,8)
What is the value of (-2+37) - (-3 - 11i)?
Answer:
I think it is 38+11i not sure but try it