Answer:
[tex] \large \boxed{y = - 2x + 3}[/tex]
Step-by-step explanation:
Goal
Write the equation of a line with given coordinate pointsGiven
Coordinate points which are (0,3) and (-4,11).Step 1
Use the slope formula also known as rise over run to calculate the slope.[tex] \large \boxed{m = \frac{y_2-y_1}{x_2-x_1} }[/tex]
Substitute coordinate points in.
[tex]m = \frac{11 - 3}{ - 4 - 0} \\ m = \frac{8}{ - 4} \longrightarrow \frac{2}{ - 1} \\ m = - 2[/tex]
Step 2
Substitute the value of slope in the slope-intercept form.[tex] \large \boxed{y = mx + b}[/tex]
where m = slope and b = y-intercept.
[tex]y = - 2x + b[/tex]
Step 3
Substitute any given coordinate points in the new equation to find the value of b.Substitute both coordinate points still give the same solution.
Step 3.1 — (0,3)
[tex]y = - 2x + b \\ 3 = - 2(0) + b \\ 3 = 0 + b \\ 3 = b[/tex]
Step 3.2 — (-4,11)
[tex]y = - 2x + b \\ 11 = - 2( - 4) + b \\ 11 - 8 = b \\ 3 = b[/tex]
Therefore, the value of b is 3.
Step 4
Substitute the value of b in the equation.[tex]y = - 2x + b \\ y = - 2x + 3[/tex]
Hence, the equation of a line is y = -2x+3.
PLZZ HALPMMELOL PLZZ it’s due 20 min
Answer: They ate 5/8 of the salad
Step-by-step explanation: If you have 3/8 and add 2/8 you don't have to change the denominator, so you just add the numerators together.
Step-by-step explanation:
they ate 5/8 salad
3/8+ 2/8 = 5/8
hope this will be helpful to you.
plz mark my answer as brainlist if you find it useful.
A recipe for cookies calls for 23 of a cup of sugar per batch. Elena used 513 cups of sugar to make multiple batches of cookies. How many batches did she make?
Answer:
I don't know, sorry sweetie
Step-by-step explanation:
You do the work yourself x
Amy plays video games for exactly 20 minutes each day for two months. If each month had 31 days, how many minutes will she play video games?
Answer:
620
Step-by-step explanation:
Please help !!!!!! thanks
Answer:
an american football field measures 100 yards long between the endzones,and is 53 1/3 yards wide.is the length of the diagonal across this field more or less than 120 yards . what is the value rounded to the nearest tenth of a yard
Step-by-step explanation:
To solve, you need to use Pythagorean Theorum
a^2+b^2=c^2
100^2+53.33^2 = c^2
10,000+2844.0889=c^2
12844.1=c^2
square root
= 113 1/3 yards
So it is less than 120 yards
Which answer choice shows the decimals in order from least to greatest?
A. 0.013, 0.0104, 0.0118, 0.0108, 0.00149
B. 0.00149, 0.0104, 0.0108, 0.0118, 0.013
C. 0.013, 0.0118, 0.0108, 0.0104, 0.00149
D. 0.013. 0.0118. 0.0108. 0.00149. 0.0104
Answer:
B.
Step-by-step explanation:
Only 0.00149, 0.0104, 0.0108, 0.0118, 0.013 are in ascending order.
a bag of trail mix is 4lbs. by weight, 36% is oats.
what is the weight of the oats in the trail mix?
Answer:
1.44 lbs is from the oats
Step-by-step explanation:
what is the slope intercept form of the equation of the line shown in the graph
Answer:
y=2x+1
Step-by-step explanation:
ahhhhhhhhhhhhhhh why why why please help
Answer:
11
3
-3
-12
Step-by-step explanation:
Answer:
1) 11
2) 3
3) -3
4) -12
Suppose a city with population 200,000 has been growing at a rate of 4% per year. If this rate continues, find the population of this city in 11 years.
Answer:
288,000
Step-by-step explanation:
You find 4% of 200,000 which is 8,000. Then you multiply 8,000 by 11 and then add it to 200,000.
Plz help me with my math
Answer:
D I believe
Step-by-step explanation:
if it's going by negative values and positive values then -6 is the lowest and 9 is the highest
Answer:
D
Step-by-step explanation:
Least to greatest means from smallest to largest in simple terms.
So, -6, -4, -2, 2, 5, 9
Help I will be marking brainliest!!!
A. 241 ft
B. 358 ft
C. 258 ft
D. 341 ft
Answer:
c. is the correct answer
mark me as brainlist
(6,3) -> (-3/2x , 2/3y) -> (x + 6 , y - 4) -> (2/3x , -3/2y)
After these series of transformations, what will the final point be?
Answer:
Please refer to the attached image.
Rewrite the equation y - 3 = 23(x - 2) in standard form.
Write your answer using integer coefficients.
Answer:
I believe it would be y-3=23x-2
Pls help!!!
1. Solve for w
21+2w=p
Answer will be w=-L+p/2
2. Solve for a
b-2a=c
The answer will be a=c-b/-2 or b-c/2
I know I have the answers but I need the work for it I’ll mark you brainliest
please help me
find the value of x
x=
Answer:
180-120+x-5+x+5=180
60+2x=180
2x=120
x=60
What is f(3) if f(x) = - 4x+1 ?
A.-44
B.-11
C. 1/2
D. 13
Please help me! :/
Answer:
Here is the equation:
f(x)=4x+1f(x)=4x+1
You need to find f(3). To do that, substitute all the x's with 3:
f(x)=4x+1 \rightarrow f(3)=4\times3 + 1f(x)=4x+1→f(3)=4×3+1
The first thing you need to do is multiply 4 by 3. Multiply:
4 \times 3 = 124×3=12
Here is your new equation:
f(3)=12+1f(3)=12+1
To get your answer, you need to add 12 and 1. Add:
12+1 = 1312+1=13
That means:
\bf f(3)=13f(3)=13
Step-by-step explanation:
13 is the ans
PLEASE HELP :)))
triangle similarity theorem
Answer:
9i
Step-by-step explanation
A straight angle is broken into 3 angles. The first angle measures 38°, the second angle is a right angle. What is the measurement of the 3rd angle?
Answer: The measurement of the 3\large ^{rd} angle is
Answer:
52°
Step-by-step explanation:
Let the measure of the third angle be x°.
Since, straight line is broken into three angles. So, the sum of all the three angles will be equal to 180°.
38° + 90° + x = 180°
128° + x = 180°
x = 180° - 128°
x = 52°
Answer:
52°
Step-by-step explanation:
So, we basically know that,
A straight Angle=180°
When it has been broken into 3 pieces, we have gotten one which is 38°and a right angle.
Now , we know that
A right angle= 90°
So, we need to do,
Sum of known angles= 38+90=128°
Lastly,
Unknown angle = 180° - 128° = 52°
A package designer wants the hexagonal base of a hat box to have an area of
about 200 in.2. About how long is each side?
Answer:
About 9inches long
Step-by-step explanation:
Area of a hexagon = 3√3/2 a²
a is the length of each side
Given
Area of the hexagon = 200in²
Substitute
200 = 3√3/2 a²
200×2 = 3√3 a²
400 = 3√3a²
a² = 400/3√3
a² = 400/5.196
a² = 76.982
a = √76.982
a = 8.774
Hence the length of each side is about 9inches long (to nearest inches)
complete the description of how to model -4x + 6 = 23
you would use a _______ negative a variable tiles and _______ +1- tiles on one side of a line and ______ +1 - tiles on the other side to represent the equation negative -4x + 6 = 23 with algebra tiles.
HELP ME ASAP WITH THIS MATH QUESTION PLEASE!
Which of x- values are solutions to the following inequality?
Answer:
A and B
Step-by-step explanation:
54 , 89
solve this please pleaee maths question pleade
how many more pairs of parallel sides does a regular octagon have than a regular octagon have than a regular hexagon
PLZ HELP ME I NEED THE ANSWER ASAP
answer:
153.94cm²
Step-by-step explanation:
<3
Use the distributive property to write an equivalent and simplified expression 12(3y+x)
need help it is math
Answer:
what do u need my guy 0899
Answer:
The mean is 82.727272727273 rounded 83
Step-by-step explanation:
You add all the numbers:
40 + 75 + 80 + 80+ 81 + 84 + 88 + 90 + 92 + 100 + 100= 910
You divide that result by the total of numbers to add, in this case 11
910/11= 82.727272727273
To round any number, consider that if it is 5 or above it you can round it to the nearest hundred.
Just in case
MODE: 100, 80
MEDIAN: 84
Solve for x: 7x + 3 =2x +13
Answer:
x = 2
Step-by-step explanation:
7x + 3 = 2x + 13
Get all the x on the same side: 7x - 2x = 13 - 3
Subtract: 5x = 10
Divide both sides by 5 to get x = 2.
Plug the found value of x back in to check the answer: 7(2) + 3 = 2(2) + 13
Multiply: 14 + 3 = 4 + 13
Add: 17 = 17
This verifies that x = 2.
Step-by-step explanation:
[tex]7x+3=2x+13\\7x-2x=13-3\\5x=10\\x=2[/tex]
Can someone please help?!?!?!?!
Determine the scale factor of the dilation, if OA = 7 and OA' = 21.
Answer:
i think its 3
Step-by-step explanation:
21/7=3
The second figure OA' divided by first figure OA = 21/7=3
how many square feet of outdoor carpet will we need for this hole
Answer:
42 ft²
Step-by-step explanation:
First of all, who makes a hole in this shape?
Anyways,
You're going to want to split the figure into multiple different shapes. We already have a triangle, so I would split the remaining shape into a rectangle and trapezoid.
We can find the area of the triangle easily with the equation 1/2(bh)
So
1/2(2 · 3)
1/2(6)
3
So the triangle is 3 ft²
Now we can find the area of the rectangle.
The measurements will be 3 and 7. It's just base x height so it'll be 21 ft²
Finally the trapezoid.
Base 1: 6
Base 2: 3
Height: 4 (11-7)
Formula: 1/2h (b1 + b2)
1/2 · 4 (6+3)
2(9)
18 ft²
Now just add them together:
3+21+18=42
Hence, your answer is 42 ft²