Answer:
k=8
Step-by-step explanation:
subtract 12 from both sides giving you 56 then divide that by 7 giving you 8
Answer:
Seven times a number k plus 12 equals sixty eight
According to the problem
[tex]7k + 12 = 68 \\ 7k = 68 - 12 \\ 7k = 56 \\ k = \frac{56}{7} \\ \boxed{k = 8}[/tex]
The number is 8.What is the equation for the graph shown below?
A. x^2 – 3x – 25
B. x^2 – 7x – 25
C. x^2 + 7x – 21
D. x^2 + 2x - 25
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Answer:
D. x^2 + 2x - 25
Step-by-step explanation:
The y-intercept is -25, eliminating choice C. The axis of symmetry is negative, eliminating choices A and B. (The axis of symmetry is x = -b/(2a), so the coefficient of x must be positive for a negative axis of symmetry.)
The only viable choice is D:
x^2 + 2x - 25
_____
Additional comment
Though the y-intercept is in the right place, it seems to me the vertex and x-intercepts are slightly too far left for the given equation. That is why I chose to eliminate non-viable answers, rather than try to determine the equation directly. That is also why I elected to show a better graph of equation D.
The leadership class starts a campaign to change the school mascot. The school principal has agreed to change the mascot if two-thirds of the student body plus 1 additional student vote for the change. The required number of votes is 255. How many students attend the school? (Please also write the equation)
Answer:
254/2=127
127*3=381
381+1=382
Step-by-step explanation:
254/2 because 2/3 of the students is 254 and this is to simplify it
127*3 because 127 is 1/3 of the total number of students so 127*3 would be 3/3 of the students or all of them
381+1 because we had to take out 1 of the students because there was an aditional vote so we add him back in
The Answer Is: 382
Equation: (254/2)*3+1
Describe the difference between slope and y-intercept
Answer:
The difference between slope and y-intercept, is y-intercept is a specific point. Y-intercept is when the line crosses the y-axis, or when x = 0. Slope is how much the y value changes when the x has changed +1, or -1, if that makes sense.
I was gonna do an example, but I got lazy, hehe.
Use function notation to represent each statement:
At 1 p.m., there were 257 visitors in the museum.
Answer:
f(1) = 257
Step-by-step explanation:
x-variable: 1 (time is the independent variable)
y-variable: 257 (number of visitors is the dependent variable)
When the time is at 1 (1pm), there are 257 visitors
Please help fast i need this done
2x^2+x-6=0 solution(s)?
Answer:
x=-2 and 3/2
Step-by-step explanation:
A population of ants quadruples every day. Initially, there are 10 ants. How many
ants after 5 days?
Answer:
200
Step-by-step explanation:
40 after one day times 5 days is 200
Answer:
200 ants after 5 days.
Step-by-step explanation:
Well if there is 10 ants starting off with and they quadruple every day which is x4 so, 10x4=40 and then 40 multiplied by 5 is 200.
ABC congruent DEF find the measure of the given angles or the lengths of the given sides
Answer:
BC = 8 and EF = 8
Step-by-step explanation:
Congruent triangles have equal angles, equal sides, equal perimeters, and equal areas.
Let us solve the question
∵ The two triangles ABC and DEF are congruent
∴ BC = EF
∵ BC = 3z + 2
∵ EF = z + 6
→ Equate their length
∴ 3z + 2 = z + 6
→ Subtract z from both sides
∵ 3z - z + 2 = z - z + 6
∴ 2z + 2 = 6
→ Subtract 2 from both sides
∵ 2z + 2 - 2 = 6 - 2
∴ 2z = 4
→ Divide both sides by 2
∴ z = 2
→ Substitute z by 2 in the length of sides BC and EF to find them
∵ BC = 3(2) + 2 = 6 + 2
∴ BC = 8
∵ EF = 2 + 6
∴ EF = 8
Como llega el gas natural a las Islas Baleares? I a Mallorca?
Answer:
El gas natural llegó ayer a Mallorca a través del gasoducto submarino.
plllzz hellpppp meeeee thhhhxx
(If anyone can help me tysm)Thomas had a credit of $5 and a debit of $9 posted in his checking account. What is the balance between these two transactions?
Answer:
ur doing sca testing lol so its -4 rember debit is negitive credit is positive so 5 - -9= -4
Step-by-step explanation:
5 - (-9) = (-4)
You want to go on a swamp tour. How long does it take a swamp vehicle that travels at at 3.2 miles per hour to travel across the swamp, from point Z to point Y
AND ACTUALLY ANSWER
Thanks
The time it will take a vehicle that travels at at 3.2 miles per hour to travel across the swamp, from point Z to point Y is; t = 18 minutes
We can see two main triangles from the image which are;
ΔVWX and ΔYZX
The two triangles are similar and using ratio of similar triangles, we have;
VW/WX = YZ/ZX
Plugging in the relevant values gives;
10/6 = YZ/3
Cross multiply to get;
YZ = 3 * 10/6
YZ = 5 miles
Since speed is given as 3.2 miles per hour and we know that formula for time is;
time = distance * speed
Then; time = 5 * 3.2
time = 16 hours
Read more at; https://brainly.com/question/25400011
What is the equation of the line that passes through the point (-5, -2) and has a
slope of -6/5
Answer:
Step-by-step explanation:
you are given the slope m = -6/5 and one point (x1,y1) as (-5,-2)
next use the point-slope formula [y-y1 = m(x-x1) ] and plug in the point and the slope
y-(-2) = -6/5(x-(-2)) ( they are making this tuff with all the minus signs :/ )
y+2 = -6/5(x+2) ( nice looks better, distribute the -6/5 )
y + 2 = -6/5x -12/5 (move the 2 over )
y = -6/5x - 12/5 -2 ( 2 = 10/5 )
y = -6/5x -12/5 - 10/5 (add the fractions )
y = -6/5x -22/5
that's in the form of the slope-intercept now [ y = mx + b ] so you're done :)
Will mark Brainliest! How many pounds of apples would you need to make 20 cups of applesauce?
Answer:
You would need 16 pounds of apples!
Step-by-step explanation:
The table goes up by 3 for pounds of apples so you would do 10+3 which equals 13 and then add another three to get 16! Hope this helps.
linear equation: 5x-7=53
Use the grouping method to factor the polynomial below completely.
M+212 + 4x+8
A. (x + 2)(x+4)
B. (R+ 4)(x+4)
C. (x + 2)(x+2)
D. (x2+4)(x+2)
Which type of quadrilateral is the figure below?
Select the best answer from the choices provided.
A.
trapezoid
B.
parallelogram
C.
rhombus
D.
concave quadrilateral
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Answer:
A. trapezoid
Step-by-step explanation:
The missing angle U is 86°, the value that makes the total be 360°. Then the top two angles total 180°, as do the bottom two angles. This means sides SV and TU are parallel, but sides UV and ST are not.
The figure has one pair of parallel sides, so is a trapezoid.
__
A concave quadrilateral has a reflex angle. This figure does not.
Out of 1800 flags, 36 are purple. What percent of the flags are not purple?
Answer:
2% are purple
Step-by-step explanation:
36/1800 = 0.02 = 2%
Answer:
I think...
its 98% of the flags that are NOT purple
Step-by-step explanation:
36 of 1800 is 2%
Asher makes $164.00 in 8 hours at his job. If Asher works three days a week at 12 hours each day, how much will Asher make?
Answer:
738 per week
Step-by-step explanation:
20.5 per hour
246 per day
738 per week
Which linear function represents the line given by the point-slope equation y + 1 =-3(x – 5)?
Answer:
f(x)= -3x+14
Step-by-step explanation:
the question gives you
f(x)+1=-3(x-5)
the first thing you want to do is distribute the -3 to the (x-5)
f(x)+1=-3x+15
then you going to subtract the 1 and move it to the other side
f(x)=-3x+14
please help!!!!!!!!!!!! !!!
PLZZZ HELPPP
Thomas is using a drawing program to complete a construction. Which construction
could he be completing? (7 points)
Inscribing an equilateral triangle in a circle
Inscribing a square in a circle
Inscribing a regular pentagon in a circle
Inscribing a regular hexagon in a circle
which x-values make the ordered pair (x, -6) a solution of the system of inequalities represented by the graph below?
A) -4 < x < 0
B) -4< x < 0
C) -4 ≤ x < 0
D) -4 ≤ x ≤ 0
Answer:
C) -4 ≤ x < 0
Step-by-step explanation:
the x-values make the ordered pair (x,-6). the solution of inequalities represented by the graph gives the solution -4 ≤ x < 0
Could someone please help me with this question?
Answer:
The second one
Step-by-step explanation:
Because there are more people
PLLLZZZZZZ HELPPPP FASTTTTTT
Answer:
I think it's the y-function. Are there any choices to choose from?
Step-by-step explanation:
Answer:
They increase at the same rate
Step-by-step explanation:
If you look at linear function p, the equation is y=3x-6
PLEASE HELP
What is the value of f (4) if f (x) = 3x - 10? A. -3 B. -2 C. 2 D. 7
Answer:
f(3)=5. Explanation: Simply substitute the value of 3 given. In other words, f(3) is the function of f(x) , however, in this case, x is 3. f(3)=3(3)−4. Distribute 3 through
$288 is 6/5
of what number?
Answer:
Step-by-step explanation:
$288= 6/5x, x being the number we are looking for
We can then divide 288 by 6/5, which is the same as (288x5)/6
This will give you 240=x, which is $240
Determine the value of x.
Answer:
25°
Step-by-step explanation:
The angle of a right triangle is always 90°. 90-35=51. 25 times 2 is 50 plus 1 is 51, so x is 25°.
Which graph has an x-intercept of -2 and a y-intercept of 4?
Answer:
The first graph
Step-by-step explanation:
the first graph crosses through -2 on the x-axis and 4 on the y-axis
The required graph that shows an x-intercept of -2 and a y-intercept of 4 is graph A. Option A is correct.
What is the intercept in the equation?In the equation intercept is the value of the linear function where either of the variables is zero.
Here,
X intercept is the value of the line where y ordinate is zero, from observation it is found that graph A has x intercept of -2 and y-intercept of 4.
Thus, the required graph that shows an x-intercept of -2 and a y-intercept of 4 is graph A. Option A is correct.
Learn more about slopes here:
https://brainly.com/question/3605446
#SPJ2
Which of the expressions below will have a remainder? Select all that apply.
A) 6,450÷5
B) 4,188÷8
C) 3,488÷7
D) 1,286÷6 PLS HELP DUE TODAY DON"T WANT AN F
IF U ANSWER DIS FIRST YOU"LL GET 12 POINTS :D
Answer:
Im pretty sure its C and D
Answer: B, C, and D.
Step-by-step explanation:
4,188 divided by 8 equals 523 with a remainder of 4.
3,488 divided by equals 498 with a remainder of 2.
1,286 divided by 6 equals 214 with a remainder of 2.
