How can you show that a + 2 = 5 is equivalent to a = 1

Answers

Answer 1

Step-by-step explanation:

You cant because a=3

Answer 2

Answer:

a+2=5 is not equivalent to a=1

in this situation a must equal 3 for the equation to be true.

Step-by-step explanation:


Related Questions

your answer must be simplified
−3 < x -10

Answers

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]

PLZ ANSWER.. I NEED HELP!?!?

factorise x^2+5x+6​

Answers

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

Match the equation and the description non-proportional Realationship

Answers

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

A square has side length 4 cm.
a. What is its area?

Answers

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

Write the equation of the table shown below.
Х
0
2
5
9
12
у
4
6
9
13
16

Answers

Answer:

sorry... but the image is all black

I cant see anything

What is the equation of the line that passes through the point (4,−7) and has a slope of -1/2?

Answers

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

biggg factssss♡♡♡♡lm.aoo​

Answers

Answer:

this is soo deep lol. free point epic pogg

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.

Answers

Answer:

7

Step-by-step explanation:

87 - 80 = 7

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.

Answers

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.


I need help with this asap

Answers

it is c !!!!!!! :))))

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​

Answers

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:

https://brainly.com/question/10851163

Find ln(-127.1).
this question must be at least 20 characters long so here’s some extra characters but that’s the whole question^

Answers

Answer:

The natural logarthim of a negative is undefined.

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.

Answers

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:

ASAP I AM BEING TIMED I WILL MARK BRAINLIST




In psychology, the word "Gestalt" refers to

 A. a personality type

B. an adaptation that increases chances of survival 

C. the organization of parts into a whole pattern

 D. a learned response to a stimulus  E. the unconscious forces that drive behavior

Answers

Answer:

C. the organization of parts into a whole pattern

Step-by-step explanation:

Find the equation of the line going through the point (4,1) and
parallel to y=-3x+7

Answers

Parallel = same slope
Y = -3x + b
1 = -3(4) + b
1 = -12 + b, b = 13
Equation: y = -3x + 13

WILL GIVE BRANLIEST: What are three ordered pairs that create a relation with a domain of {−2, 1, 4}?

Answers

Answer:

(-2,1 ) (1,4) (-2,4)

Step-by-step explanation:

how many times does 35 go into 78?​

Answers

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.

-4(2-5b)=132
whats b?

Answers

Answer:

b = 7

Step-by-step explanation:

- 4(2 - 5b) = 132

- 4 × 2 - 4 × (- 5b) = 132

-8 + 20b = 132

20b = 132 + 8

20b = 140

b = 140/20

b = 7

Thus, The value of b is 7

-TheUnknownScientist

easy multiple choice!

Answers

Answer:

-4

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Equality Properties

Algebra I

Solving systems of equations using substitution/elimination

Step-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 = -32

Step 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 = -4

Answer:

-4

Step-by-step explanation:

Have a great day, my dudes!

PLEASE PLEASE HELP 25 POINTS I WILL MARK BRAINLIEST

Answers

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)

Will give crown! Help

Answers

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

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​

Answers

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!!!.

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

Answers

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]

what is the value of 9^-1/2

Answers

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]

Does this represent a function

Answers

Answer:

yes

Step-by-step explanation:

be de dg

What is 3 dived by 5

Answers

the simplest fraction is: 3/5

in decimal form its: 0.6


Which trigonometric identity can be used to prove the given statement?
tan0 cos0 = sin0

Answers

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.

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

Answers

Answer:

∆ ADB = ∆ ADC

What are the next two terms in the sequence 22, 15, 8, __, __? 1, -7 2, -4 2, -6 1, -6

Answers

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

https://brainly.com/question/6561461

#SPJ2

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.

Answers

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.

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