Lin solved the equation 8(x - 3) + 7 = 2x(4 - 17) incorrectly. Identify the TWO errors Lin made while solving.

Lin’s solution:

Lin Solved The Equation 8(x - 3) + 7 = 2x(4 - 17) Incorrectly. Identify The TWO Errors Lin Made While

Answers

Answer 1

Answer:

when she subtracts 8x to 26 and dividing

Step-by-step explanation:

Answer 2

Step-by-step explanation:

[tex]8(x - 3) + 7 = 2x(4 - 17) \\ 8( \times - 3) + 7 = 2x( - 13) \\ 8x - 24 + 7 = - 26x \\ 8x - 17 = - 26x \\ - 17 = - 34x \\ x = \frac{1}{2} [/tex]


Related Questions

Solve the system with substitution
72 +10y = 36
y = 2x + 9

Answers

Answer:

x= -63 y= -117

Step-by-step explanation:

72+10(2x+9)=36

72+20x+90=36

162+20x=36

20x=-126

×= -63

y= 2(-63)+9

y=-126+9

y= -117

What is the equation of the line?

Answers

Answer:

y = 4

Step-by-step explanation:

elp pls I need elp pls pls

Answers

Answer:

I think the answer is A if its not im sorry

Step-by-step explanation:

What is the constant rate of change?

Answers

Answer: 3 minutes

Step-by-step explanation:

it increased by 3 minutes everyday starting from 3, 6, and then finally 9.

Answer:

3 minutes per day

slope is just y2-y1 divided by x2-x1

so u can take 6-3 divided by 2-1 and that = 3

A map has a scale of 2 centimeters = 4 miles. Mary's drive to work is represented on the map as traveling 1cm north then 2.5 cm west. Which equation could be used to determine how many miles Mary drives to work?

Answers

Mary drives 7 miles!2cm / 4mi = 1cm / 2mi1(2) + 2.5(2) = 7Please let me know if I am wrong.

1. The perimeter of a rectangular garden is 348 m. If the width of the garden is 81 m, what is its length?

2. The area of a rectangular window is 6624 cm If the length of the window is 92 cm, what is its width?​

Answers

Answer:

1. 93 m is the length of the rectangular garden.

2. The width of the window is 72 cm.

Step-by-step explanation:

Anita needs to construct ten cones for a class project. How many square feet of material will she need? Use 3.14 for π. Enter your answer in the box. Th radius is 6 ft and the height is 12 ft.

Answers

Assuming that Anita needs hollow right circular cones, we are solving for its lateral surface area, which is given by the formula πr√ (h²+r²), where r is the radius and h is the height.

r = 6 ft / 2 = 3 ft

Solving for the lateral surface area of one cone:

LSA = (3.14) (3) [√ (12²+3²) ] = 116.52 sq ft.

Since she needs 10 cones:

10 * 116.52 sq. ft = 1,165.2 sq ft.

She will need 1,165.2 sq ft of material.

Hope this helps you :)

14. Find mMK please :)

Answers

Answer:

Step-by-step explanation:

11) strategy:  since they tell us. indirectly,  that the length of  JK is the same as LM then we can set those two equal, solve for X  and then.. when we have X we can figure out the lenght of JK  and LM and then just divide that by 2 go get PK  ( :0 Player Killer ???  no , not that PK)    

solve JK and LM

3x + 23 =9x-19

42 = 6x

7 = x

now that we know x = 7 plug it into either equation to come up with the length of JK or LM .  I'll pick JK just b/c it was 1st

3(7) + 23 = JK

21+23 = JK

44 = JK

now take half of 1/2*JK= 22  that is PK    ( are you sure that 's not player killer?)

PK = 22

12) strategy: set the two arcs BG and GC equal and solve for X, then plug x into either equation and the multiply the answer by 2 to find arc AB

9x-20 = 5x + 28

4x = 48

X = 12

9(12) -20 = BG

88 = BG

2*88 + AB

176 = AB

13) done

14)  strategy: find the angle at L,  and that will also be the arc of MK

copy and past the below helpful trig functions into your computer

Use SOH CAH TOA to recall how the trig functions fit on a triangle

SOH: Sin(Ф)= Opp / Hyp

CAH: Cos(Ф)= Adj / Hyp

TOA: Tan(Ф) = Opp / Adj

copy and past the above :

use which ever trig function you want , we have all the sides of the triangle, I'll use CAH

Cos(Ф) = 9/15

Ф = arcCos(9/15)

Ф = 53.13010°

arc MK = 53.13010°

15)   strategy:  arc JK is just 2 times MK

2*MK = 106.26020°

arc MK = 106.26020°

16) find arc JPK   strategy:  JPK is just the remaining part of a full circle of 360 - MK  = 253.7397°

arc JPK = 253.7397°

HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP


Answers

Answer:

D

Step-by-step explanation:

f(n)=-13-2(n) if n=-1 then f(n)=-15 if n=-2 then f(n)=-17

what is the problem??​

Answers

Answer:

there is none

Step-by-step explanation:


[tex] \frac{1 - \cos {}^{4} ( \beta ) }{ \sin {}^{4} ( { \beta }^{} ) } = 1 + 2 \cot {}^{2} ( \beta ) [/tex]
Please Prove This Problem By Doing in LHS side. I try my best but i couldn't solve this. so please solve it.

Answers

Answer:

Step-by-step explanation:

Word Phrase
Algebraic expression
10 more than the product of 3 and x
9 less than the quotient of n and 5
8 times the product of 5 and t
3 times the sum of x and 5
A state park charges a $6.00 entry fee plus
$7.50 per night of camping.

Answers

Answer:

10 more than the product of 3 and x

= 3x + 10

9 less than the quotient of n and 5

= n/5 - 9 (n divided by 5 minus nine)

8 times the product of 5 and t

= 8 x 5t

3 times the sum of x and 5

= 3 x (x + 5)

$6.00 entry fee plus $7.50/night of camping

= 6 + 7.5n

8. This model of the backboard of a basketball goal is made of a semicircle. Use the ruler provided to measure the dimensions of the model to the nearest half inch. Which measurement is closest to the area of the model of the backboard in square inches? Use 3 for π.

Answers

It is c i did it oh khan

(pls branliest)

PLEASE HELP ASAP I’LL MARK BRAINLIEST Find the area of the figure.

Answers

Area of a semicircle is 1/2* πr^2
Area of a square is s^2


Square’s area: 4mm^2

The radius is 3mm
Plug into the equation

1/2* π(3^2)
1/2* π(9)

We can use 3.14 as an estimate of pi

1/2*28.26

14.13mm^2

Now just add them both

Total area 18.13mm^2

PLEASE HELP RIGHT NOW ASAP I WILL GIVE BRAINLIEST IF CORRECT PLEASE HELP

Answers

1. (-15)^4bc^4 2. (4/9)^11 3. 1/4^4 4. 1/343

please help me i really need it!:(
this is geometry by the way​

Answers

Hello and good day.

I will help you solve this question with reasonable explanation, lets start.

The volume consists of Length times height times width.

You can divide this prism into 2 prisms or calculate the prism without the missing space, and subtract the volume of the missing space at the end.

I will show you the last way.

So first lets find the volume of the rectangular prism with out the gap:

5 times 6 times 8

this is a total of 240 cubic units

now lets find the volume of the missing space;

4 times 4 times 5

this is a total of 80.

Now we will subtract 80 cubic centimeters from the rectangle with the space filled in. This results in 160 cubic meters.

The answer is C., 160 cubic meters.

Have a great day, and i hope this helps you.

I think it’s

C. 160 cubic units

According to the US Census, the percent of residents aged 65 or older in the 50 states and District of Columbia has mean 13.26% and standard deviation of 1.67% Find and interpret the standardized score for the state of Colorado, which had 9.7% of residents age 65 or older.

Answers

Answer:

z = -2.13

The standardized score for the state of Colorado is negative and this means the score is smaller than the mean.

Step-by-step explanation:

The above question can be solved using z score.

The formula for z score is given as:

z = (x-μ)/σ,

where

x is the raw score = 9.7%

μ is the population mean = 13.26%

σ is the population standard deviation = 1.67%

z = z score or standardize score

Hence,

z = 9.7 - 13.26/1.67

z = -2.13174

Approximately z = -2.13

Therefore, the standardized z score for the state of Colorado is negative and this indicates that the score is below or smaller than the mean.

What is the lateral surface area of the triangular prism?
Select one:
96 ft
36ft
60ft
84ft²

Answers

Answer:

96 feet

Step-by-step explanation:

thats the answer po

please help thank you :)​

Answers

[tex] \: \: \: \: \: \: \red{ \underline{ \large{ \pink{ \tt{꧁ A \: N \: S \: W \: E \: R ꧂}}} }}[/tex]

✧ [tex] \underline{ \underline{ \large{ \red{ \tt{G \: I\: V \: E\: N}}}} }: [/tex]

AC bisects [tex] \tt{ \angle BAD\: \& \: \angle \: BCD}[/tex]

❀ [tex] \underline{ \underline{ \large{ \tt{ \purple{T \: O \: \: F \: I\: N\: D}}}}} : [/tex]

Congruence theorem which justifies ∆ ABC [tex] \cong[/tex] ∆ ADC.

♕ [tex] \underline{ \underline{ \large{ \tt{ \orange{P \: R\:O \: O \: F \: S}}} }}: [/tex]

[tex]\begin{array}{ |c| c | c | } \hline \text{SN}& \text{Statement} & \text{Reason}\\ \hline \\ \text{1 \: i.}& \sf{In \triangle} \:ABC \: \& \: \triangle \: ACD \: \ \\ & \tt{ \angle ACB= \angle \: ACD(A)}\ & \sf{AC \: bisects \angle \: BCD(Given)} \\ \text{ii} \: & \tt{AC= CA(S)}& \sf{Common \: side} \\ \text{iii} \: & \tt{ \angle \: BAC = \angle \: CAD(A)}& \sf{AC \: bisects \: \angle \: BAD ( Given )}& \\ \\ \hline 2& \tt{ \triangle} \: ABC \cong \triangle{ADC}& \red{\underline{\sf{ \bold{By \: ASA\: axiom}}}} \\ \hline\end{array}[/tex]

Hence , We can conclude :

ASA congruence theorem justifies ∆ ABC [tex] \cong[/tex] ∆ ADC

ツ Hope I helped! ♡

♪ Have a wonderful day / night ! ✎

✎ [tex] \underbrace{ \overbrace{ \mathfrak{Carry \: On \:Learning}}} ☃ [/tex]

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Marvin has a coupon the discount is the rental of a full-size car by $25 they decide to buy insurance for each day if the cost is $465 how much days dear well they rent the car right and solve the equation

Answers

Answer:

tht hard

Step-by-step explanation:

so i need points

Graph points A(-1, -1), B(-1, 3) and C(3, 2) on the coordinate plane. What is the area of triangle ABC? A) 7 square units B) 8 square units C) 14 square units D) 16 square units

Answers

Answer:

8 square units is the answer

How many passwords can you have if there are 2 numbers and 3​ letters? (letters and numbers can​ repeat)
A.
​6,760
B.
​1,757,600
C.
​676,000
D.
​2,600

Answers

Answer:

D) 2,600.............

Answer:

d

Step-by-step explanation:

17. What is the measure of 2ABC?
(3x+33)
B
47+ B)
O 25°
O 75°
O 108°
O 150°
O 100°

Answers

the answer is 100 degrees I got tht answer right

PLSS HELP IMMEDIATELY!!!! ILL MARK BRAINIEST IF U DONT LEAVE A LINK OR GUESS!!!!

Answers

Answer:

3/4

Step-by-step explanation:

1/2 +1/4 = 2/4 +1/4 = 3/4

Answer:

I'm sorry someone answer before I could

"La suma de la medida de los ángulos interiores de cualquier triángulo, es igual a dos triángulos rectos, o sea a 180°."

Answers

Answer:

Efectivamente, la suma de la medida de los ángulos internos de cualquier figura triangular es igual a 180º. Ahora bien, la oración posee un error de redacción, pues tanto los triángulos rectos como los equiláteros o los isósceles poseen dicha característica, es decir, no es únicamente una característica de los triángulos rectos. Además, la suma de los ángulos interiores de dos triángulos rectos sería igual a 360º, no a 180º.  

No links, brainliest for correct answer

Answers

Answer:

Claire's Claim is WRONG. that is not a right triangle. A right triangle has one right angle, which is a line that goes straight up and staright horizontal. APQ does not have that.

Step-by-step explanation:

BRAINLIEST PLZ

tyty

Kaavya

evaluate functions from their graphs

Answers

Answer:

what graphs i don't see any

Step-by-step explanation:

?????

A planner assembles party favor bags filled with glow sticks and temporary tattoos for a client. There are 24 glow sticks and 30 temporary tattoos to divide
evenly among the bags.

If there are no leftover items, what is the greatest number of bags the planner can assemble?

A. 6 bags
B.8 bags
C. 24 bags
D. 30 bags

Answers

Answer:

24

Step-by-step explanation:

you don't have more than 24 glow sticks so thats the most amount of bags you can have

The answer to this is A 6 bags

in the diagram below, the measure of angle W is 5 times as large as the measure of angle X. what is the measure of angle W?

Answers

Answer:

D. 150

Step-by-step explanation:

X = W/5

X + W = 180

*If X = 30, and W = 150:

30 = 150/5

30 + 150 = 180

Please help.
Is algebra.
PLEASE HELP NO LINKS OR FILES.
I don't want links.

Answers

The answer is c
To square it you would just do (5x-4y)(5x-4y)
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