Answer:
ΔKML and ΔNML have:
+)ML is a common edge
+) KL = NM
+)KL⊥ML, NM⊥ML => ∠KLM = ∠NML = 90°
=> ΔKML ≅ ΔNML (SAS)
Step-by-step explanation:
mplify the expression:
| 5q + 84 - 94 + 84
Answer:
5q+74
Step-by-step explanation:
84-94 first which equals -10
then add that by 84 which equals 74
lastly just bring the 5q and 74 together making your expression
PLEASEEE HELPPP I NEED THIS TODAY!!
Answer:
you can look up these online it will give u the diagram and u can put it in on calculators I used to do that
A ≈ 452.39
Hope you get a good grade
two glasses of milk and 3 snack bars have a total of 78 carbohydrates (carbs), and 4 glasses of milk and 3 snack bars have a total of 96 carbs. Determine how many carbs are in one glass of milk and in one snack bar
Answer:
Each glass of milk is 9 carbs.
Each snack bar is 19.7 carbs.
Step-by-step explanation:
1. I know that 2 glasses of milk with 3 snack bars is 78 carbs.
The next part of the sentence has two times the amount of milk with the same amount of snack bars for 96 carbs.
Now, I will find the difference in the amount of carbs.
96 - 78 = 18 carbs.
So two glasses of milk = 18 carbs.
18 ÷ 2 = 9 carbs
So, each glass of milk is 9 carbs.
2. Since we know this, we can subtract the amount of carbs from the glasses of milk from the total amount of carbs.
78 - 19 = 59
In the first scenario, there are 59 carbs per 3 snack bars.
To find the amount of each snack bar, divide 59 by 3.
59 ÷ 3 = 19.7 when rounded to the nearest tenth.
Therefore, each snack bar is 19.7 carbs.
Answer:
glass of milk = 9 carbohydrates
snack bars = 20 carbohydrates
Step-by-step explanation:
Let s be snack bars and g be the glasses of milk.
3s + 2g = 78
3s + 4g = 96
-1(3s + 2g) = -1(78)
- 3s - 2g = - 78
- 3s - 2g = - 78
3s + 4g = 96
2g = 18
g = 18/2
g = 9
3s + 2g = 78
3s + 2(9) = 78
3s + 18 = 78
3s = 78 - 18
3s = 60
3s/3 = 60/3
s = 20
Check: g = 9; s = 20
3s + 2g = 78
3s + 4g = 96
3(20) + 2(9) = 78
60 + 18 = 78
78 = 78
3(20) + 4(9) = 96
60 + 36 = 96
96 = 96
So, the solution is g = 9; s = 20
Find KL. Round to the nearest hundredth.
d
Sut of
.1.3
48
L
Answer:
1.3
Step-by-step explanation:
give brainliest
given that
f(n) = n^2 - 4n + 3
& g(n) = 2n - 1
find gf(-2)
Answer:
The value of [tex]gf\left(-2\right)[/tex] will be:
[tex]gf\left(-2\right)=29[/tex]Step-by-step explanation:
Given the functions
[tex]f(n) = n^2 - 4n + 3[/tex]
[tex]g\left(n\right)\:=\:2n\:-\:1[/tex]
[tex]f\left(-2\right)\:=\:\left(-2\right)^2\:-\:4\left(-2\right)\:+\:3[/tex]
[tex]=\left(-2\right)^2+4\cdot \:2+3[/tex]
[tex]=2^2+4\cdot \:2+3[/tex]
[tex]=2^2+8+3[/tex]
[tex]=4+11[/tex]
[tex]=15[/tex]
so
[tex]gf\left(-2\right)=g\left(15\right)[/tex]
[tex]=2n-1=2\left(15\right)-1=30-1=29[/tex]
Therefore,
[tex]gf\left(-2\right)=29[/tex]PLEASE HELP! I will give brainliest
A) y intercept is (0,3)
C) Axis of symmetry is x = -1
D) Vertex is (-1, 4)
So basically everything but choice B is true.
========================================
Explanation:
Choice A is true because plugging in x = 0 leads to y = 3. Effectively, anything with an x goes away when x = 0 leaving that 3 behind. So finding the y intercept in this form is fairly fast.
-------------------
To check choices B through D, let's convert the equation into vertex form.
y = -1x^2 - 2x + 3 is in the form y = ax^2 + bx + c where
a = -1
b = -2
c = 3
The vertex is located at (h,k) such that h = -b/(2a)
Plug the values of 'a' and 'b' into the equation below
h = -b/(2a)
h = -(-2)/(2*(-1))
h = 2/(-2)
h = -1
The x coordinate of the vertex is x = -1
Then use this to find the y coordinate of the vertex
y = -1x^2 - 2x + 3
y = -1(-1)^2 - 2(-1) + 3
y = 4
The y coordinate of the vertex is 4, meaning k = 4
The vertex overall is (h,k) = (-1, 4)
This shows choice D is true, meaning choice B has to be false.
Choice C is true because the axis of symmetry is the x coordinate of the vertex. This is the vertical line that cuts the parabola into two mirrored halves. This vertical line always goes through the vertex.
7x – 3y = 42
solve for x when y = 0
solve for y when x = 0
Step-by-step explanation:
y=0
7x-3*0=42
7x=42
x=42/7=6
x=0
7*0-3*y=42
-3y=42
y=-42/3=-14
Answer:
y=-14, x= 6
Step-by-step explanation:
A plane flies at 350 mph in the direction N 40° E with a wind blowing at 40 mph in the direction S 70° E. What is the plane’s drift angle?
Answer:
The drift angle is approximately 7.65° towards the East from the plane's heading
Step-by-step explanation:
The speed of the plane = 350 mph
The direction in which the plane flies N 40° E = 50° counterclockwise from the eastern direction
The speed of the wind = 40 mph
The direction of the wind = S 70° E = 20° clockwise from the eastern direction
The component velocities of the plane are;
[tex]R_{Plane}[/tex] = (350 × cos 50)·i + (350 × sin 50)·j
[tex]R_{Wind}[/tex] = (40 + cos 20)·i - (40 × sin 40)·j
The resultant speed of the plane = [tex]R_{Plane}[/tex] + [tex]R_{Wind}[/tex] = 265.915·i +242.404·j
The direction the plane is heading = tan⁻¹(242.404/265.915) ≈ 42.35°
Therefore, the drift angle = Actual Angle - Direction of the plane = 50 - 42.35 ≈ 7.65° towards the East
Answer: A. 5.89
Step-by-step explanation:
edge2020
The Sony 55 inch flat screen TV was 45% off at Best Buy. If the TV originally cost $1350.00, how much
was the discount?
Answer: 742.5
Step-by-step explanation: 45% off of 1350= 742.5
Answer:
$607.50
Step-by-step explanation:
if you take 1350.00and multiply by 45% you will get $607.50
Write an equation of a line through (4,-1), parallel to y = 1x – 5
Find the Value 7 x (6 divided by 4) with a exponent of 2
Between which two values on a number line is √ 39 located?
Answer:
The square root of 39 is approximately 6.245 so it lies between 6 and 7
Answer:
[tex]\sqrt{39}[/tex] is located between 6 and 7
Step-by-step explanation:
the square root of 39 is about 6.245. This number is located between the whole numbers 6 and 7.
6 x 6 = 38
39 is in the between
7 x 7 = 49
What is the x-intercept of the line graphed on the grid?
Answer:
2
Step-by-step explanation:
If you use rise over run, you should get to. From one point to the other, the rise is 2 and the run to the right is 1. So, you do 2 divided by 1, which is 2. So, the slope would be 2.
what is always true about a line that Slants downward from left to right select all that apply help plz
Answer:
A line that slants down from left to right has a negative slope. Horizontal and vertical lines also have a slope.
Step-by-step explanation:
Brainliest for correct answer! There are several ways to collect data. Which of the following is crucial for statisticians to call a method an experiment?
A. Eliminating bias
B. Randomness
C. Researcher assigns subjects to groups
D. Placebos
Answer:
I think the answer would be A
Answer:
A
Step-by-step explanation:
Fie A(-1,2) B(3,-1) C(4,-1)
a)Determinati ecuatia carteziana a dreptei AB
b)lungimea medianei din punctul C a triunghiului ABC
c) Sa se afle coordonatele vectorului AB
Helpp plssss
do you mind rephrasing it in english
will
which of the following is NOT a root of x (x+3)(x-1)(2x+1)= 0
i. 0
ii. -3
iii. -1
iv. 1/2
A. i only B. iv only
C. i and ii only
D. iii and iv only
Answer:
The answer is A only i. (0)
Answer:
D
Step-by-step explanation:
Given
x(x + 3)(x - 1)(2x + 1) = 0
Equate each factor to zero and solve for x
x = 0
x + 3 = 0 ⇒ x = - 3
x - 1 = 0 ⇒ x = 1
2x + 1 = 0 ⇒ 2x = - 1 ⇒ x = - [tex]\frac{1}{2}[/tex]
Thus
x = 0, x = - 3, x = 1, x = - [tex]\frac{1}{2}[/tex] are the roots
Hence
111 x = - 1 and iv x = [tex]\frac{1}{2}[/tex] are NOT roots → D
0.05 out of 1/10 is?
Answer: 0.5 is the value of 0.05 is 1/10
Step-by-step explanation:
Jamil, Kiera and Luther collect badges,
Janil has x badges.
Kicra has 12 badges more than Jamil
Luthier lias 3 times as many badges as Kiera.
Altogether they have 123 badges.
Form an equation and solve it to find the value of x.
Help will give the brain crown or whatever it is!!!
Answer:
A will be 5 and B will be 25
I think of a number, multiply it by 5 and subtract 3 from the result
Answer:
Do you need the result of the end?
Step-by-step explanation:
5*3=15
15-3=12
What is the range of the relation?
Please someone help meeeeee
Answer:
Okay...I'm not entirely sure but I kinda am. I think its g(x) = 10x - 6
Step-by-step explanation:
sorry i’m kinda dumb
2x+10=28
2x=18
x=9
Please give me brainliest!
what is the common difference of 4,-3,-10,17 ?
Answer:
13 and -13
Step-by-step explanation:
because 17 - 4= 13 and -10 - -3 = 7 because two neg equals pas
The price of an item has risen to $217 today. Yesterday it was $140. Find the percentage increase.
HELLLLLLPPP
I need it to be written out please
Answer: $77
Step-by-step explanation: 77 is the correct answer because the price increased by 77 because 77 is the difference between the two, and how i got 77 was to subtract 140 ( the earlier price) from 217 ( the price that it changed to), i hope you found this helpful...
5. A girl is told to buy some melons and oranges. Melons are 50c each and oranges 25c each, and she has $2 to spend. She must not buy more than 2 melons and she must buy at least 4 oranges. She is also told to buy at least 6 fruits all together.
Let x be the number of melons
Let y be the number of oranges.
a) Write down four inequalities which must be satisfied.
b) Draw a graph and use it to list the combinations of fruit that are open to her.
Answer:
a) The four inequalities are;
1) x ≤ 2
2) y ≥ 4
3) x + y ≥ 6
4) 0.5 × x + 0.25 × y ≤ 2
b) The limits of the combinations of fruits that are opened to her, derived using the Chart function on Microsoft Excel are;
1) (0, 8) which is 0 melons and 8 oranges
2) (0, 6) which is 0 melons and 6 oranges
3) (2, 4) which is 2 melons and 4 oranges
Step-by-step explanation:
The price per Melon = 50c = $0.5
The price per orange = 25c = $0.25
The amount she has to spend = $2
The number of melons she must buy ≤ 2
The number of oranges she must buy ≥ 4
The total number of fruits she should ≥ 6
Let x be the number of melons
Let y be the number of oranges
a) The four inequalities are;
1) x ≤ 2
2) y ≥ 4
3) x + y ≥ 6
4) 0.5 × x + 0.25 × y ≤ 2
b) Please find attached the required graph of the combination of fruits the girl buys created with Microsoft Excel
The combinations of the vertices of the feasible combinations that are opened to her, obtained from the creation of the combined graph, using Microsoft Excel are;
1) (0, 8) which is 0 melons and 8 oranges
2) (0, 6) which is 0 melons and 6 oranges
3) (2, 4) which is 2 melons and 4 oranges
Explain how to divide decimals by powers of 10. Use the problem 34.65 ÷ 103
as an example to help you explain.
So when you divide by powers of ten (ten times itself some number of times, like ten, one hundred, one thousand, etc.), the decimal moves to the left. For each power of ten, you move one place to the left. So if you divided a number by one hundred (10^2 or 10*10), you would move two places to the left.
Which describes the effect of the transformations on the graph of ƒ(x) = x2 when changed to ƒ(x) = x^2+2
Find the Slope and Y Intercept of the equation of a line: y = 14x + 21.
Write your answer without using variables, decimals, or exponents.