Answer:
0 i think if im wrong im sorry
Step-by-step explanation:
Answer:
The answer is x=6, y=3
Step-by-step explanation:
Multiply each equation by the value that makes the coefficients of y opposite(−1)⋅(4x−7y)=(−1)(3)x−7y=−15
Simplify.
−4x+7y=−3x−7y=−15
Add the two equations together to eliminate y from the system.−4x+7y=−3+x−7y=−15−3x=−18
Divide each term by −3 and simplify.
x = 6
Substitute the value found for x into one of the original equations, then solve for y.
y = 3
The solution to the independent system of equations can be represented as a point.(6,3)
The result can be shown in multiple forms.
Point Form: (6,3)
Equation Form: x=6, y=3
I'm stuck on this, does anyone know the solution?
The question is:
Calculate (2p - 4q) 2 when p= - 8 and q = - 3.
Answer:
-14 or -28
Step-by-step explanation:
2x-8=-16
4x-3=-12
-16-12=28
-16-(-12)=-14
(i would go with -14)Mr Thompson, This is my homework! Please help.
Problem 1
ax^2+bx+c is standard form(x+p)(x+q) is factored formThere's not much to say about these. You'll just have to memorize the terms. Note with standard form that the exponents decrease as you move from left to right (2,1,0).
===============================================
Problem 2
Other names for zeros are:
A) x interceptsD) solutionsThe term "root" is also applicable here.
===============================================
Problem 3
We set each piece equal to 0 and solve for x. This is the zero product property
f(x) = (x-2)(x+4)
0 = (x-2)(x+4)
(x-2)(x+4) = 0
x-2 = 0 or x+4 = 0
x = 2 or x = -4
The two x intercepts are located at (2,0) and (-4,0)
Answer: Choice C
===============================================
Problem 4
In the last problem, we found the two roots were x = 2 and x = -4
I'll let p = 2 and q = -4.
Average the roots to get (p+q)/2 = (2+(-4))/2 = -2/2 = -1
This is the x coordinate of the vertex. So h = -1
Plug this into the function to find k, which is the y coordinate of the vertex.
k = f(h)
k = f(-1)
k = (-1-2)(-1+4)
k = (-3)(3)
k = -9
The vertex is located at (h,k) = (-1, -9)
This is another way of saying the vertex is when x = -1 and y = -9
Answer: Choice C
WILL MARK BRAINLIEST!! Mr. Brown uses a modern technological machine to till his lands and perform tasks that require high power. This machine has a GDP for navigation purposes and auto-steer systems that minimize Mr. Brown’s work on his field. Which machine is Mr. Brown using?
1. seed drill
2. combine harvester
3. GIS
4. tractor
5. electric motor
Can someone please help me out on this one math problem you will get double the points if you help me, I will also give you the brain thing. Please actually help not just takes the points.
•Suppose a car is traveling southwest on King Avenue and turns left onto 3rd Street. What is the measure of the angle created by the car's turning? Explain your answer. (2 pts.)
Answer:
answer should be 105 degrees.
Step-by-step explanation:
this is becuase the 75 degree angle given creates a 105 degree angle to its left. and the car turning left onto 3rd street would be a corresponding angle to the 105 degree angle on the top. sorry if its confusing, but the answer is 105 degrees. hope it helps
Answer:The angle formed by turning from traveling southwest on King Avenue to 3rd street is a corresponding angle to the 75° angle. This means its measure is 75°. here is your answer!
Step-by-step explanation:
Please help! Will give brainliest!
Simplify. [tex](3a^{2}*5a^{2})[/tex]
Answer: 8a
Step-by-step explanation:
Step-by-step explanation:
I can only think of one way to simplify this and it is by taking out the greatest common factor: a². Or by multiplying the two values together so it's only one value.
a²(3*5)
a²(15)
Or...
(3a² * 5a²)
(15a⁴)
(this one is a⁴ because a variable with a power multiplied by a variable with a power only adds the powers together)
25. The heights of three-year-old boys are Normally distributed with a mean of
96 cm. and a standard deviation of 4.5 cm. What is the standard score for a
three-year-old boy who is 99.5 cm tall?
(a)-1.29
(b) -0.67
(c) 0.67
(d) 0.78
(e) 1.29
What is the score?
Please help me with trigonometry and law of sines I’m being timed and really need the help
Step-by-step explanation:
cosA = AC² + BC²- AB² / 2 • AC • BC
cos A = 13.5²+23.9²-12.7²/2• 13.5 • 23.9
Complete the function table for y=2.5x−8 .
Answer:
x=3.2
Step-by-step explanation:
The value of the function at x =1 is -5.5.
What is a function?The expression that established the relationship between the dependent variable and independent variable is referred to as a function. In the function as the value of the independent variable varies the value of the dependent variable also varies.
Given that the function is y = 2.5x - 8. The value of the function will be calculated as,
At x = 1 the value of y will be,
y = 2.5 x - 8
y = ( 2.5 x 1 ) - 8
y = 2.5 - 8
y = -5.5
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Ai Mi went to the store to buy some chicken. The price per pound of the chicken is $3.50 per pound and she has a coupon for $2.50 off the final amount. With the coupon, how much would Ai Mi have to pay to buy 3 pounds of chicken? Also, write an expression for the cost to buy pp pounds of chicken, assuming at least one pound is purchased.
Answer:
$8 for 3 pounds
cost for p pounds: 3.50p - 2.50
Step-by-step explanation:
Cost of 3 pounds:
Original cost = Cost per pound x 3
= 3.50 x 3
= 10.50
Coupon = 2.50
Final cost = Original cost - Coupon
= 10.50 - 2.50
= $8
Cost of p pounds:
Original cost = Cost per pound x p
= 3.50 x p
= 3.50p
Coupon = 2.50
Final Cost = Original Cost - Coupon
= 3.50p - 2.50
An arithmetic sequence has a 2nd term equal to 3 and 10th term equal to -13.
Find the term of the sequence that has value -93?
Answer:
n = 50
Step-by-step explanation:
Let a be the first term and d be the common difference.
An arithmetic sequence has a 2nd term equal to 3 and 10th term equal to -13.
[tex]a_n=a+(n-1)d[/tex]
According to the given condition,
[tex]a_2=3\\\\a_{10}=-13[/tex]
or
[tex]a+(2-1)d=3\\\\a+d=3\ ...(1)\\\\a+(10-1)d=-13\\\\a+9d=-13\ ...(2)[/tex]
Subtract equation (1) from (2).
a+9d-(a+d) = -13-3
8d = -16
d = -2
Put the value of d in equation (1).
a+(-2) = 3
a = 3+2
a = 5
Now,
[tex]a+(n-1)d = -93\\\\5+(n-1)(-2)=-93\\\\5-2n+2=-93\\\\7+93=2n\\\\2n=100\\\\n=50[/tex]
So, 50th term has the value of -93.
help asap!!!!!!!!!!!!!!
Answer:
a
Step-by-step explanation:
Helping my sister study... 3rd grade math can anyone explain?
Answer:
what the question , so I can help u
Answer:
sure! but which one? i dont see anything
Step-by-step explanation:
If a = -2 and b = -4 -3i, then find the value of a b in fully simplified form.
Answer:
I'm not so sure but I think it's 6 or 9i
Please help......... please
Answer:
Step-by-step explanation:
2x + 4 = 2(x + 2)
[tex]Area = \frac{1}{2}*b*h\\\\=\frac{1}{2}*(2x-1)(2x + 4)\\\\\\= \frac{1}{2}*(2x - 1)*2*(x + 2)\\\\= (2x -1)(x+ 2)[/tex]
= 2x *x + 2x* 2 + x*(-1) + 2*(-1)
= 2x² + 4x - x - 2
= 2x² + 3x - 2
Vika can run a mile in 15 minutes, Sandy can run 3
miles in 30 minutes, and Hyun can run 4 miles in
28 minutes. Who can run the fastest mile?
Answer:
Hyun
Step-by-step explanation:
Vika: 1= 15 minutes
Sandy: 1= 10 minutes
Hyun: 1= 7 minutes
Answer:
Hyun
Step-by-step explanation:
Vika: 1= 15 minutes
Sandy: 1= 10 minutes
Hyun: 1= 7 minutes
Um número inteiro é expresso por 81:
3^(4 )+3^0. Qual é o oposto ou
simétrico desse número? *
- 2
- 4
-0
-1
- 3
Answer:
the opposite and symmetrical of the given number is 2
Step-by-step explanation:
The computation of an opposite and symmetrical of the given number is shown below:
81:3^4 + 3^0
81:81+1
1 + 1
= 2
Hence, the opposite and symmetrical of the given number is 2
A 8-kg load stretches an elastic belt 0.02 m. How much will a 12-kg load stretch the belt?
Answer:
A 12-kg load stretches an elastic the belt 0.03m
Step-by-step explanation:
we know A 8-kg load stretches an elastic belt 0.02 m.
=> 0.02 / 8 = 0.0025
so A 1-kg load can stretch an elastic belt 0.02 m.
=> 12 * 0.0025 = 0.03 m
A 12-kg load stretches an elastic the belt 0.03m
find the volume of cuboid
meausring 19 cm by 15 cm by 10 cm.
PLS HELP ME FIND THE MAD, MADIAN, RANGE AND IQR OF THIS DATA SET.
Answer:
The median is 6. The Mean Absolute Deviation is 1.88. The range is 10. I believe the IQR is 5.
Step-by-step explanation:
the median is just the number that falls in the center of a data set. The Mean Absolute Deviation is the distance of the data points from the mean. So, find the sum of the differences of each data point from the mean and divide it by the number of data points. Range is the difference between the smallest and largest values in a data set. The interquartile range is the middle of the data. it is a measure of how widely the middle half of the data is spread around the median.
Answer:
the median is 6, range is 10, the iqr is 6 and the MAD is 1.9378698224852
Step-by-step explanation:
Range
10 - 0 = 10
IQR
median/2
6/2=3
6+3=9 6-3=3
9-3=6
Median
put numbers in ascending order
04445555555566678888899101010
find centre number
6
PLEASE HELP ME ASAP! DUE TODAY! (functions) (brainliest)
Answer:
how did you get the graph on here
Sarah has four friends. Lauren is 1.54m tall, Sophie is 1.50m tall, Kristy is 1.52m tall and Natalie is 1.49m tall. If they all stood on top of eachother how high would theybe?
Answer:
It would be 6.05m tall.
can you please tell me the answer for 8m/.9/12m=
Which property is used to write the equivalent expressions below? (2x7) x3=2x (7x3)
Answer:
Associative Property of Multiplication
Step-by-step explanation:
The Associative Property of Multiplication states that the answer to an equation will stay the same even if the grouping of the numbers changes.
Answer:
9
Step-by-step explanation:9x5
A drink is made by mixing 650 ml of water with 150 ml of fruit juice.
What percentage of the drink is fruit juice?
can you please reply quickly?
[tex]\boxed{\color{hotpink}\tt18.75\%} [/tex] of the drink is fruit juice
○=> Steps to derive correct answer :Quantity of water in a drink = 650 ml
Quantity of fruit juice in a drink = 150 ml
Total quantity of both items in the drink :
[tex] =\tt 650 + 150[/tex]
[tex] \color{plum}=\tt 800 \: ml[/tex]
Thus, the total quantity of both items in the drink = 800 ml
Let the percentage of of fruit juice in the drink be x%.
Which means :
[tex] = \tt\frac{x}{100} \times 800 = 150[/tex]
[tex] = \tt \frac{x \times 800}{100} = 150[/tex]
[tex] =\tt \frac{800x}{100} = 150[/tex]
[tex] =\tt 8x = 150[/tex]
[tex] =\tt x = \frac{150}{8} [/tex]
[tex]\hookrightarrow\color{plum} \bold{x = 18.75\%}[/tex]
Then, the percentage of water in the drink :
[tex] = \tt100 - 18.75[/tex]
[tex] \color{plum}= \tt81.25\%[/tex]
Thus, the percentage of water in the drink = 81.25%
○=> Therefore :▪︎Percentage of fruit juice in the drink = 18.75%
▪︎Percentage of water in the drink = 81.75%
3. A fisherman caught 6 bluegills and 4 bass. What is the ratio of the number of bass caught to the total number of fish caught?
2 to 5
4 to 6
6 to 10
10 to 4
The manufacturer's price for a cooler is $28.50. A camping store that buys the coolers sells them for $40.76. What is the approximate percent of increase in the price of the coolers?
Answer:
43%
Step-by-step explanation:
(40.76 - 28.50) / 28.5 = .43 or 43%
How do you solve the system of equations 8x-9y=158x−9y=15 and -x+4y=1−x+4y=1 by combining the equations.
Answer:
x = 3 and y = 1
Step-by-step explanation:
Give system of equations are :
8x-9y=15 ...(1)
−x+4y=1 ...(2)
Multiply equation (2) by 8.
−8x+32y=8 ..(3)
Add equation (1) and (3).
8x-9y -8x + 32y = 15+8
23y = 23
y = 1
Put the value of y in equation (2).
−x+4(1)=1
-x = -4+1
x = 3
Hence, the values of x and y are 3 and 1.
Compute the standard deviation if n = 60, p = 0.4, and the sample size is less than 10% of the population.
A 0.04
B) 0.004
C) 0.002
D) 0.063
Answer:
c is the correct answer baby
Step-by-step explanation:
How was the government able to make children go to residential school?
A boy arrived at school at 8:15am if he stayed in the school for 4 hours 20 minutes when did he leave
Answer:
12:35
Step-by-step explanation:
The boy left school at time 12:15 pm.
What is unit conversion?It is the conversion of one unit to another unit with its standard conversion.
Examples:
1 hour = 60 minutes
1 minute = 60 seconds
1 km = 1000 m
We have,
To find out when the boy left school, we need to add 4 hours and 20 minutes to the time he arrived at school.
To add minutes, we need to make sure both times are in the same format. Let's convert the arrival time of 8:15 am to minutes:
So,
8:15am = 8 x 60 + 15 = 495 minutes
Now we can add 4 hours and 20 minutes:
495 + 4 x 60 + 20 = 735 minutes
So the boy left school at 735 minutes after midnight.
To convert this back to a time, we can divide by 60 to get the number of hours and minutes:
735 minutes / 60
= 12 hours (with 15 minutes remaining)
Therefore,
The boy left school at time 12:15 pm.
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what has the same value as 5% percent of 35?
(Pick 2)
Answer:
B
Step-by-step explanation:
Of is multiplication, so correct answer is B
Answer:
b, and d
Step-by-step explanation:
5% * 35 = 0.05 * 35 = 5/100 * 35.
