Step-by-step explanation:
Mean average = (84 + 72 + 90 + 95 + 87) / 5 = 85.6
For the mean score to increase, the new score must be greater than 85.6.
Hence the correct options are 90, 86 and 92.
Answer:
b, d, and e
Step-by-step explanation:
Which trigonometric identity can be used to prove the given statement?
tan0 cos0 = sin0
Answer:
Step-by-step explanation:
Free trigonometric identity calculator - verify trigonometric identities step-by-step This website uses cookies to ensure you get the best experience. By using this website, you agree to our Cookie Policy.
Question in picture solve
Answer: Choice B) 7/2 and choice D) 2
These two slope values are positive. Positive slopes correspond to lines that move uphill as you move from left to right.
A negative slope moves in the opposite direction. A slope of zero refers to a flat horizontal line. A slope of undefined means we have a vertical line.
PLEASE PLEASE HELP 25 POINTS I WILL MARK BRAINLIEST
Answer:
D
Step-by-step explanation:
(3, 9) (-3, 5)
0 is in the middle 7 is in the middle
for x: 3 2 1 0 -1 -2 -3 for y: 9 8 7 6 5
Thus, (0, 7) is the midpoint between (3, 9) and (-3, 5)
Does this represent a function
Answer:
yes
Step-by-step explanation:
be de dg
A family restaurant chain wants to test the market for a new menu item: a grilled chicken sandwich with chipotle salsa. They are interested in both how to market the item and the right price to charge for it. They decide to offer the sandwich at 60 different restaurants in the chain, using two different descriptions on the menu. Half the restaurants' menus will emphasize "healthy eating" and half will emphasize "value." These two groups of restaurants will be further divided in three groups, each charging either a High, Medium, or Low price for the sandwich. After a month, they will measure what proportion of customers order the new sandwich.
Answer:
Experimental units, factors & treatments in experiment.
Step-by-step explanation:
Experimental Units are the 60 restaurants.
Factors are the : Menu description & price
Treatments in experimental design : Healthy Low Price, Healthy Medium Price, Healthy High price & Value low price, Value medium price, Value high price.
Which number line shows the solution of 6x-12 > -6? A. -10 - - - -6 -5 4 2 -1 0 1 2 3 B. -10-9-8 -6 5. -2 -1 0 1 2 3 4 5 6 7 8 9 C. 69 -10-9-8 -6 -5 -4 الم re 4 5 6 7 8 9 10 D. -10-9-8 6 7 8 9 10
Answer:d
Step-by-step explanation:
The number line that represents the inequality 6x - 12 > -6 is (D)
How to determine the number line?The inequality is given as:
6x - 12 > -6
Add 12 to both sides
6x > 12 - 6
Evaluate the difference
6x > 6
Divide both sides by 6
x > 1
The number line that represents the above inequality is (D)
Read more about number lines at:
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Will give crown! Help
Answer: The slope is -5/7
Step-by-step explanation:
Slope is rise/run
The rise is -5, and the run is 7
This is why the slope is -5/7
Answer:
The rise is 6 and the run is 7 6/7
Complete the statement
Isosceles triangle A ABC has congruent angles at B and C. If BC is bisected at D and AD is drawn, by the side, side, side triangle congruence postulate,
(1 point)
O AADB AADC
O AADBA AABC
Ο ΔΑΒCA ΔΑDC
O AADB ADCA
Answer:
∆ ADB = ∆ ADC
Write the equation of the table shown below.
Х
0
2
5
9
12
у
4
6
9
13
16
Answer:
sorry... but the image is all black
I cant see anything
your answer must be simplified
−3 < x -10
Answer:
[tex]x>7[/tex]
Step-by-step explanation:
[tex]We\ are\ given\ that,\\-3<(x-10)\\Now,\\By\ adding\ both\ the\ sides\ by\ 10,\\(-3)+10<(x-10)+10\\Hence,\\10-3<x-10+10\\7<x\\Or,\\x>7[/tex]
I need help with this asap
PLZ ANSWER.. I NEED HELP!?!?
factorise x^2+5x+6
Answer:
there is no like terms
Step-by-step explanation:
Answer:
(x+2)(x+3)
Explanation:
(x+2)(x+3)
If you simplify this, you get:
x*x = x^2
x*3 = 3x
2*x = 2x
2*3 = 6
If we add these all together we will have:
x^2 + 3x + 3x + 6
Combine like terms
x^2 + 5x + 6
how many times does 35 go into 78?
Answer:
It goes in 2 times
Step-by-step explanation:
Can i have branliest, so i can go up a rank?
Answer:
35 goes into 78 two whole times but, it goes into it 2.22857143 times, or rounded to 2.23 times. the answer you put down depends on the directions.
easy multiple choice!
Answer:
-4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Algebra I
Solving systems of equations using substitution/eliminationStep-by-step explanation:
Step 1: Define Systems
4x + 5y = -12
-2x + 3y = -16
Step 2: Rewrite Systems
-2x + 3y = -16
Multiply everything by 2: -4x + 6y = -32Step 3: Redefine Systems
4x + 5y = -12
-4x + 6y = -32
Step 4: Solve for y
Elimination
Combine 2 equations: 11y = -44Divide 17 on both sides: y = -4Answer:
-4
Step-by-step explanation:
Have a great day, my dudes!
The following temperatures were recorded in Pasadena for a week in April: 87, 85, 80, 78, 83, 86, 90. Determine the interquartile range. Type a numerical answer in the space provided.
Answer:
7
Step-by-step explanation:
87 - 80 = 7
What is 3 dived by 5
the simplest fraction is: 3/5
in decimal form its: 0.6
A science test, which is worth 100 points, consists of 24 questions. Each question is worth either 3 points or 5 points. If x is the number of 3-point questions and y is the number of 5-point questions, the system shown represents this situation.
x + y = 24
3x + 5y = 100
What does the solution of this system indicate about the questions on the test?
The test contains 4 three-point questions and 20 five-point questions.
The test contains 10 three-point questions and 14 five-point questions.
The test contains 14 three-point questions and 10 five-point questions.
The test contains 20 three-point questions and 8 five-point questions.
Answer:
if you fill them all in corectly you should get not A
Not C NOR D THE ANSWER IS B 10 plus 14 equals 24 and 3 times 10 equals 30 and plus 5 times 14 equals 70 so the answer is B
tep-by-step explanation:
what is the value of 9^-1/2
Answer:
81-1/2
80/2
40 and right than say
Answer:
[tex]\frac{1}{3}[/tex]
Step-by-step explanation:
Using the rule of exponents/ radicals
[tex]a^{-m}[/tex] ⇔ [tex]\frac{1}{a^{m} }[/tex]
[tex]a^{\frac{1}{2} }[/tex] ⇔ [tex]\sqrt{a}[/tex]
Given
[tex]9^{-\frac{1}{2} }[/tex]
= [tex]\frac{1}{9^{\frac{1}{2} } }[/tex]
= [tex]\frac{1}{\sqrt{9} }[/tex]
= [tex]\frac{1}{3}[/tex]
WILL GIVE BRANLIEST: What are three ordered pairs that create a relation with a domain of {−2, 1, 4}?
Answer:
(-2,1 ) (1,4) (-2,4)
Step-by-step explanation:
What is the equation of the line that passes through the point (4,−7) and has a slope of -1/2?
Step-by-step explanation:
y = -0.5x + c
When x = 4, y = -7.
=> (-7) = -0.5(4) + c, c = -5.
Therefore the equation is y = -0.5x - 5.
Answer:
y = -1/2 x - 5
Step-by-step explanation:
y = mx + b
m = slope = -1/2
y = -1/2 x + b
-7 = -1/2 * 4 + b
-7 = -2 + b
b = -5
y = -1/2 x - 5
Amplitude of 16 units, a period of 5 units, a vertical displacement of 3 units up and a phase shift of 2.5 units left.
The question is incomplete. The complete question is :
A sine function that has an amplitude of 16 units, a period of 5 units,a vertical displacement of 3 units up and a phase shift of 2.5 units left. Graph this function and show each step.
Solution :
The standard form of the sine function is
y = a sin (bx - c) + d
Here given :
Amplitude, a = 16
Period : [tex]$\frac{2 \pi}{|b|} = 5$[/tex]
⇒ [tex]$b = \frac{2\pi}{5}$[/tex]
Phase shift : [tex]$\frac{c}{b} = 2.5$[/tex]
[tex]$\Rightarrow \frac{c}{2 \pi/5}=\frac{5}{2}$[/tex]
∴ [tex]$c = - \pi$[/tex]
The vertical displacement : d = 3 units up
Now substituting a, b, c and d values in the standard form gives :
[tex]$y = 16 \sin \left( \frac{2 \pi}{5}x -(- \pi)\right) + 3$[/tex]
[tex]$y = 16 \sin \left( \frac{2 \pi}{5}x + \pi\right) + 3$[/tex]
The graph is attached below.
The height of a parallelogram is 5 feet more than its base. If the area of the parallelogram is 204 feet, find its base and height
Step-by-step explanation:
Let
base=x
height=x+5
we know that in a parrelogram
[tex]\boxed{\sf Area=base×height}[/tex]
Substitute the values[tex]{:}\rightarrowtail\sf x(x+5)=204 [/tex]
[tex]{:}\rightarrowtail\sf x^2+5=204 [/tex]
[tex]{:}\rightarrowtail\sf x^2=204-5 [/tex]
[tex]{:}\rightarrowtail\sf x^2=199 [/tex]
[tex]{:}\rightarrowtail\sf x=\sqrt {199}[/tex]
[tex]{:}\rightarrowtail\sf x=14.1[/tex]
[tex]{:}\rightarrowtail\sf base=14.
1feet[/tex]
[tex]{:}\rightarrowtail\sf Height =14.1+5=19.1feet [/tex]
Which of the following expression has a terminating decimal?
6556 divided by 55
9565 divided by 11
7986 divided by 18
4546 divided by 33
Answer:
1.# = 119.2 2.# = 869.545454545 3.# = 443.66666666 4.# = 13501.3939394
Step-by-step explanation:
i don't know about the 2 one and 3 and 4 one that came up a very big number. I used a calculator though.exactly way you tired to tipe it in sorry it took so long to answer the problem!!!.
What are the next two terms in the sequence 22, 15, 8, __, __? 1, -7 2, -4 2, -6 1, -6
Step-by-step explanation:
The sequence is an AP with common difference -7.
Therefore the next 2 terms are 1 and -6.
The next two terms are ( 1, - 6 ) so the correct answer is option D.
What is arithmetic progression?
The sequence in which every next number is the addition of the constant quantity in the series is termed the arithmetic progression.
The next two numbers will be calculated as:-
22, 15, 8, __, __
Common difference = 15 - 22 = -7
Add this common difference in 8 to find the next term.
Next term = 8 - 7 = 1
Again add -7 to 1 to find the next term.
Next term = 1 - 7 = -6
Therefore the next two terms are ( 1, - 6 ) so the correct answer is option D.
To know more about arithmetic progression follow
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A square has side length 4 cm.
a. What is its area?
Answer:
16cm and a 2 as a exponet
Step-by-step explanation:
Answer:
A=16cm²
Step-by-step explanation:
i think 90% sure that its correct
biggg factssss♡♡♡♡lm.aoo
Answer:
this is soo deep lol. free point epic pogg
15 POINTS!! DRAW THE GRAPH! Someone can draw it on a piece of paper I’ll give you triple the points and brain list this is going to be a big point question go!!!
Answer:
ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok ok
Answer:
step by step
Step-by-step explanation:
y = 3x - 4
Root (x-intercept): y=0 3x-4=0 x=4/3 (or 1 1/3, 1.33333)
y-intercept: x=0 y=4
Find the equation of the line going through the point (4,1) and
parallel to y=-3x+7
An item on sale costs 65% of the original price. The original price was $15. Find the sale price.
Answer:
$9.75
Step-by-step explanation:
65% of 15 is 9.75
Hope this helps∞<3
Let me know if it right or wrong.
Answer:
$9.75
Step-by-step explanation:
To find the sale price, you multiply the sale percent by the original price. For this problem, it would be 0.65 * 15, which equals $9.75.
(If you didn't already know, you get the decimal version of a percent by moving the decimal at the end two places to the left.)
Match the equation and the description non-proportional Realationship
Answer:
A. [tex]y =\frac{7}{8}x+1[/tex]
B. [tex]y = -10x[/tex]
C. [tex]y = 2.5x - 7[/tex]
D. [tex]y = 1.2x[/tex]
E. [tex]y = -5x -8[/tex]
Step-by-step explanation:
Let the descriptions be A to E.
First, we need to note the followings.
An equation is of the form
[tex]y = mx + b[/tex]
[tex]m = slope[/tex] and [tex]b = y\ intercept[/tex]
A. Non proportional graph with positive y intercept
From the list of options, only
The slope of [tex]y =\frac{7}{8}x+1[/tex] is positive
and y intercept is also positive
B. Negative slope and pass through the origin.
Negative slope means m is negative
From the list of options
[tex]y = -10x[/tex] and [tex]y = -5x -8[/tex]
Origin implies (0,0)
i.e: [tex]x = 0[/tex] and [tex]y = 0[/tex]
For y = -10x
[tex]0 = -10 * 0[/tex]
[tex]0 = 0[/tex] --- This is true
For [tex]y = -5x -8[/tex]
[tex]0 = -5 * 0 - 8[/tex]
[tex]0 = 0 - 8[/tex]
[tex]0 = -8[/tex] --- This is not true
Hence:
[tex]y = -10x[/tex] fits this description
C. Increases from left to right and b is negative
For b is negative, we have the following:
[tex]y = -5x -8[/tex] and
[tex]y = 2.5x - 7[/tex]
An increment from left to right, means the slope is positive.
So, we have:
[tex]y = 2.5x - 7[/tex]
D. Positive slope and contains (0,0)
From the options, we have the following functions left:
[tex]y = -5x -8[/tex] and
[tex]y = 1.2x[/tex]
But [tex]y = 1.2x[/tex] has a positive slope and also contain (0,0) because
[tex]0 = 1.2 * 0[/tex]
[tex]0 = 0[/tex]
E. Negative m and Negative b
[tex]y = -5x -8[/tex] has these descriptions