Answer:
30
Step-by-step explanation:
Given the ratio 7 : 5
The 42 iPhones sold relates to the 7 part of the ratio.
Divide 42 by 7 to find the value of one part of the ratio.
42 ÷ 7 = 6 ← value of 1 part of the ratio, thus
5 parts = 5 × 6 = 30 ← number of Samsung phones sold
50 points- I'll LOVE YOU FOREVER if you can PLEASE help me with one question i need it really badddd. pls dont give wrong answers
What is the equation of a quadratic function that has a directrix of y=4 and a focus of (-2,-2)
HELPPP!!! ASAPP!!!! FINALSSS!!!!
To graph slope-intercept form, put a point at the _________, then use the _________ to rise and run
Answer:
b and m or known the y-intercept and slope
Step-by-step explanation:
you first place your point of y-intercept which is b in the equation its always got a x value of 0 paired with it.
then from there you place points using the m in the equation which is you rise over run for all your folling points on the graph.
hope that helps
Which equation represents a linear function
Answer:y=-3x+10
Step-by-step explanation:
what is this simplified?
Answer:
35/48
Step-by-step explanation:
35/48
Answer:
35/48
Step-by-step explanation:
It is already in it's simplest form.
r = 4 in., θ = 11 rad; find s
Answer:
The arc length s = 44 inches
Step-by-step explanation:
We are given:
r = 4 in
Ф = 11 radians
We need to find s
The formula used is: [tex]s=r\theta[/tex]
where s represents arc length, r is radius and Ф is angle in radians
Putting values and finding s
[tex]s=r\theta[/tex]
Put r = 4 and Ф = 11
[tex]s=4\times 11\\s=44[/tex]
So, the arc length s = 44 inches
Choose an expression equal to: 12x + 9
Answer:3
3(4x+3)
Step-by-step explanation:
Is 47/67 terminating, non terminating or repeating
PLEASE HELP (80 points!!)
What if the following are equivalent to x^2/5 (more than once answer)
Answer:
[tex]\sqrt[5]{x^2}[/tex] and [tex](\sqrt[5]{x} )^2[/tex]
Step-by-step explanation:
They are both correct.
Answer:
A, and B
Step-by-step explanation:
The reason why is because, 2 is still on x. Therefore, while 5 represents the division it stays up in the top left corner.
Helppppp me please I need help please
Answer:
bruh. this wat im working on too and need help also
Answer:
x = 3.6, the measure of the largest angle is 86.4
Step-by-step explanation:
15x + 24x + 21x = 180
50x = 180
180/50 = 3.6
x = 3.6
-------------------------
24x = 24(3.6)
24 * 3.6
86.4
Write an equation of the line that passes through (18, 2) and is parallel to the line 3y−x=−12
Answer:
[tex]y = \frac{x}{3} - 4[/tex]
I hope this helps!
Pls answer if u do know
rewrite 2/5 : 1/20 as a unit rate. PLZ HELP
Answer:
8 I believe
step-by-step explanation:
Sarah has watched 22 videos. 13 of them she liked. What is the ratio of videos liked to those not liked videos?
Answer:
13:9
Step-by-step explanation:
Hope this helps!
What is the slope of the line that passes through the points (6, 7) and (4, 1)?
Answer:
The answer is 3 Hope this help :)
Step-by-step explanation:(6,7) (4,1)
[tex]\frac{y2-y1}{x2-x1}[/tex]
[tex]\frac{1-7}{4-6}[/tex]
[tex]\frac{-6}{-2}[/tex]
x=3
The number positioned at point E is...
Answer:4 and a half
Step-by-step explanation:
4 and a half
In the parallelogram shown, AE = t + 2, CE = 3t − 14, and DE = 2t + 8. Parallelogram A B C D is shown. Diagonals are drawn from point A to point C and from point D to point B and intersect at point E. What is the length of line segment DB? 20 units 24 units 48 units 68 units
Answer:
48 units
Step-by-step explanation:
A parallelogram is a polygon with four sides. Opposite sides and opposite angles of a parallelogram are congruent.
The diagonals of a parallelogram bisect each other.
In parallelogram ABCD, AC and DB are the diagonals. Since the diagonals meet at E, hence:
AE = CE and DE = BE (diagonals of a parallelogram bisect each other).
Since AE = CE, hence:
t + 2 = 3t - 14
3t - t = 2 + 14
2t = 16
t = 8 units
Therefore DE = 2t + 8 = 2(8) + 8 = 24 units
DE = BE = 24 units
But DB = DE + BE
DB = 24 + 24
DB = 48 units
Answer:
The answer is 48 units
Step-by-step explanation:
Which of the following sets of numbers could represent the three sides of a right
triangle?
Answer:
(45,60,75)
Step-by-step explanation:
Because 45^2 + 60^2 = 75^2
5625 = 5625
A lemonade recipe calls for 6 gallons of water. How many cups of water are needed for the recipe.
Answer:
96
Step-by-step explanation:
Hope this helps
PLEASE HELP ME HURRY!!!!!!
Janice sold several items in a garage sale. She spent one-half of the money she made on a new bicycle. Next she spent one-half of what was left on a portable stereo set. If Janice had $80.00 left, how much money did she make from the garage sale?
Answer:
320
Step-by-step explanation:
hope it helps some one
the coordinates of 3 points are a(-1, -6), b(3, -12) and c(k, 6). Find the value of k if a, b and c are collinear.
Plz answer quickly and step by step.
Answer:
The value of [tex]k[/tex] is -9.
Step-by-step explanation:
If [tex]A(x,y) = (-1,-6)[/tex], [tex]B(x,y) =(3, -12)[/tex] and [tex]C(x,y) = (k,6)[/tex], then [tex]\overrightarrow{BC} = \alpha\cdot \overrightarrow{BA}[/tex]. By vectors sum, we find each vector below:
[tex]\overrightarrow{BA} = A(x,y)-B(x,y)[/tex] (1)
[tex]\overrightarrow{BA} = (-1,-6)-(3,-12)[/tex]
[tex]\overrightarrow{BA} = (-4, 6)[/tex]
[tex]\overrightarrow{BC} = C(x,y)-B(x,y)[/tex] (2)
[tex]\overrightarrow{BC} = (k,6)-(3,-12)[/tex]
[tex]\overrightarrow{BC} = (k-3, 18)[/tex]
By substituting in the equation defined at the begining of this answer:
[tex](k-3, 18) =\alpha\cdot (-4, 6)[/tex]
[tex](k-3, 18) = (-4\cdot \alpha, 6\cdot \alpha)[/tex] (3)
The value of [tex]\alpha[/tex] is:
[tex]6\cdot \alpha = 18[/tex] (3a)
[tex]\alpha = 3[/tex]
If we know that [tex]\alpha = 3[/tex], then the value of [tex]k[/tex] is:
[tex]k-3 = -4\cdot \alpha[/tex]
[tex]k = 3-4\cdot \alpha[/tex]
[tex]k = 3-4\cdot (3)[/tex]
[tex]k = 3-12[/tex]
[tex]k = -9[/tex]
Then, the value of [tex]k[/tex] is -9.
When she was younger, Mary had to look up at a 68 degree angle to see into her father's eyes whenever she was standing 15 inches away. How high above the flat ground were her father's eyes if Mary's eyes were 32 inches above the ground?
Answer:
69 INCHES
Step-by-step explanation:
Given that :
Height of father's eye above the flat ground :
Kindly check attached picture for diagram:
To obtain the value of h ; we can use Pythagoras rule ;
Tan θ = opposite / Adjacent
Tan 48 = h / 15
15 tan 48 = h
37.126302 = h
h = 37.
Hence, height of father's above the flat ground :
h + 32 = 37 + 32= 69 inches
Find the value of 4x-4 given that - 3x +7=4.
A bag of oranges weighs
5
1
4
pounds. How much does
1
1
2
bags weigh?
514 x 112 = 57568
---------------------------
Answer:
5 1
4
×
1 1
2
=
21
4
×
3
2
=
21 × 3
4 × 2
=
63
8
=
7 7
8
Step-by-step explanation:
HAVE A GOOD DAY!!!Simplify the complex fraction shown below: 1/4 over 10/9
Answer:
9/40 or 0.225
Step-by-step explanation:
John buys two types of tree saplings. One starts out at 40 cm and will grow 10 cm every three months. The other sapling starts at 20 cm and will grow 10 cm every two months. After how many months will they be the same height, and how tall will they be? solve for y and x
Answer:
They will at the same height of 80cm at 12 months.
Step-by-step explanation:
Sapling A:
y = 10/3x + 40
Sapling B:
y = 5x + 20
Set the equations to equal each other.
10/3x + 40 = 5x + 20
10/3x - 5x = 20 - 40
10x - 15x = 60 - 120
-5x = -60
x = 12
Sub x = 12 into one of the two equations (It doesn't matter which one you choose)
y = 5(12) + 20
y = 80
Find the area. Simplify your answer.
3x
4
Help
Answer:
The area is 12x^2
Step-by-step explanation:
Su cara estaba palida Metáfora
Answer:
do you want us to make a metaphor ?
A set of weights includes a 4 lb barbell and 6 pairs of weight plates. Each pair of
plates weighs 20 lbs. If x pairs of plates are added to the barbell, the total weight of
the barbell and plates in pounds can be represented by f(x)=20x+4.
What is the domain of the function for this situation?
Answer:
i would like to help you but Im not really understand the question
The table shows the amount of flour
used to make waffles. What is the unit
rate for the amount of flour per waffle?
Answer:
⅛ cups per waffle
Step-by-step explanation: