Mathematics High School

Amaya is asked to find the side lengths of the triangle
shown below. What is her error?

Answers

Answer 1

Answer:

Her error was that she equated 2x to 6 instead of equating 2x to 3x-5

Step-by-step explanation:

Find the diagram of the question attached.

According to the triangle given, you can see that the base angles are equal. This shows that the triangle is an isosceles triangle. If the base angles are the same, this means that the length of the slant sides are also equal i.e

2x = 3x-5

Get x first;

2x = 3x-5

2x - 3x = -5

-x = -5

x = 5

Get the side length

For side length 2x, the length is 2(5) = 10

For side length 3x-5, the length is 3(5) - 5 = 10.

Hence the length of the sides is 10

Amaya is wrong because she equated the wrong sides. She equated 2x to 6 instead of equating 2x to 3x-5 as shown in the calculation above.

Amaya Is Asked To Find The Side Lengths Of The Triangleshown Below. What Is Her Error?

Related Questions

given the equation -4x+3y=-17 find the value of y if the ordered pair (2,y) is a solution

Answers

Answer:

-3

Step-by-step explanation:

First - change the equation to y=mx+b format

3y/3 = 4x/3 - 17/3

y = 4/3x - 17/3

Second - then (2,y) plug x = 2

Third - solve

y = 4/3(2) - 17/3

y = 8/3 - 17/3 = -9/3 = -3

Benjamin drives 60 miles every hour. He drives 180 miles to his uncles house.

Answers

Answer:

wouldnt it be 3 hours of driving

Step-by-step explanation:

60*3=180

sorry if im wrong

How many terms are in the following expression: 7x + 3y – 5 + 2x + 11

Answers

there are 3 terms. Because if you simplify it, 7x and 2x would be 9x.. and -5+11 would be 6 so there would be (9x+3y+6) left. so 3 terms

Answer:

Its 2 terms

Step-by-step explanation:

You can buy uses ice skates from an on-line website for $40, or you can rent some at the ice rink for $2.00 an hour. Either option still requires you to rent safety equipment for $1.50 per hour. How many hours must you ice skate for the cost of renting or buying to be the same?​

Answers

Answer:

buy =13

rent = 17

40=1.50 every hour is

41.5

43

44.5

46

47.5

49

50.5

52

....

2.00+ 1.50 an hour

3.5

7

10.5

14

17.5

21

...

Step-by-step explanation:

answer choices are 36, 9, 6, 12

Answers

Answer:

12

Step-by-step explanation:

Interesting I think we should ask the question why lemonade to truly understand the problem

Solve: 7 -2x= 2(x - 4) - 1

Answers

Answer:

the answer is four

Step-by-step explanation:

you distribute the 2 to the numbers in the parenthesis

In ΔQRS, r = 1.5 inches, ∠S=23° and ∠Q=22°

Answers

Answer:

1.34 hope this helped

Step-by-step explanation:

Answer: 0.8

Step-by-step explanation:

S/sin 23 = 1.5/sin 135

s= 1.5 sin23/sin 135 = 0.829

ROUND IT TO THE NEAREST 10th and you get 0.8

PLZZZZZ HURRY IM BEING TIMED A person who is hired as a Technical Assistant at a software company starts at a pay rate of $13 per hour. After 6 months and a good employee review, the Technical Assistant can earn a raise of 15%. What would be the new hourly pay rate for a Technical Assistant who has earned this raise?

Answers

The new hourly pay would be $14.95
Hope this helps and good luck on all ur examssssss :)

The Williams family goes shopping, and spend $95.00. They have a coupon for 20% off and the sales tax is 8%. What is the total cost of the shopping trip?

Answers

Answer:

The total cost of the shopping trip is:

$82.08

Step-by-step explanation:

The Williams family goes shopping, and spend $95.00. They have a coupon for 20% off and the sales tax is 8%. What is the total cost of the shopping trip?

Step 1

We find the price after the discount

The Williams family goes shopping, and spend $95.00. They have a coupon for 20% off

Hence:

20% × $95

= $19

Therefore: $95 - $19

= $76

Step 2

We find the amount of sales tax

The sales tax is 8%

Hence:

8% of $76

= $6.08

Our sales tax = $6.08

Step 3

The total cost of the shopping trip is calculated as:

$76 + sales tax

= $76 + $6.08

= $82.08

A bakery has 36 glazed donuts on display. This is 80% of the total number of donuts. What is the total number of donuts in the bakery?

Answers

Answer:

it is 64.8, but you have to round to the nearest number, so i would say 65 :)

Step-by-step explanation:

Answer:

45

Step-by-step explanation:

% means out of 100, so 80% is 80/100

Let's divide 100/80 to find a scale we can use to multiply 36, 100/80 =

36 times 1.25 = 45

There's 45 donuts

Double check:

45(80/100) = 36, we're right

three cards have equal values?
0.5 + 0.83
0.33
0.5+0.88
1.33

Answers

Answers: 0.5 + 0.83 and 1.33 have equal values

I hope this helps, and Happy Holidays! :)

3 of them have equal values

Simplify the fallowing expression x + 4x 6x=

Answers

Answer:

the answer is x+24x^2

Step-by-step explanation:

help pls vv quick ! ​

Answers

A: 151
Explanation: It is two parallel lines cut by a transversal,, in short the angle will have the same value as angle 2

help!!!!!!!!
answer options:
159°



69°



21°



111°

Answers

69
It’s opposite angels

Answer:

21 degrees

Step-by-step explanation:

i hope its right

PLZ HELP QUICKLY THANK YOU
The interval for this number line is_____.
A.3
B.5
C.4
D.6

Answers

Answer:

A: 3

FLVS... its right trust

3 skskndxjjdkdndnsnskd

What can you conclude from the diagram

Answers

Answer:

You can conclude from the diagram that m∠P is less than m∠N ⇒ A

Step-by-step explanation:

In any triangle, you can arrange the lengths of the sides according to the measure of the opposite anglesIn any triangle, you can arrange the measure of the angles according to the lengths of the opposite sides

Example:

In ΔABC, if the arrangement of the sides is AB < BC < CA, then the arrangement of the measures of the angles is m∠C < m∠A < m∠B

Let us use this fact to solve the question

→ In ΔKNP

∵ KP = 8 units

∵ KN = 6 units

∵ 6 < 8

∴ KN < KP

∵ ∠P is opposite to the side KN

∵ ∠N is opposite to the side KP

∵ KN < KP

→ By using the fact above

∴ m∠P < m∠N

∴ m∠P is less than m∠N

∴ You can conclude from the diagram that m∠P is less than m∠N

what is the circumcenter of a triangle with the coordinates of (-3,3) (-3,-2) (1,-2)

Answers

Answer:

We know that the circumcenter of a right triangle is at the center of the hypotenuse.

Thus, the circumcenter of a triangle is: C(-1, 1/2)

Please check the attached figure.

Step-by-step explanation:

Given the triangle with the coordinates of the vertices

(-3, 3)(-3, -2)(1, -2)

First plot the points on the graph, as shown in the attached diagram.

It is clear from the attached diagram that it forms a right triangle.

We know that the circumcenter of a right triangle is at the center of the hypotenuse.

From the attached diagram, it is clear that the center of the hypotenuse lies on C(-1, 1/2).

Thus, the circumcenter of a triangle is: C(-1, 1/2)

Please check the attached figure.

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Answers

Answer:

thxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx

Step-by-step explanation:

Nice! Keep up the 000’s

A home improvement store buys snow shovels from a supplier for $8.50. The day before a snowstorm the store manager marks up the price by 180% to calculate the retail or selling price. What is the retail price of the snow shovel?​

Answers

Answer:

The retail price is $15.30

Step-by-step explanation:

To solve this, turn the percentage into a decimal. Do this by dividing it by 100.

       180 ÷ 100 = 1.8

Then, multiply the supplier price by the decimal

      8.5 × 1.8 = $15.30

No need to show work just answer on 8

Answers

Answer:

x value cannot find cause u shaded it.y=5 and z=12

What is the constant rate of change?

Answers

Answer: The constant rate of change is 8.

8x-6y=-24
-48x+6y=144​

Answers

8x−6y=−24

Step 1: Add 6y to both sides.

8x−6y+6y=−24+6y

8x=6y−24

Step 2: Divide both sides by 8.

[tex]\frac{8x}{8}[/tex] =  [tex]\frac{6y-24 }{8}[/tex]  

x= [tex]\frac{3}{4} y[/tex] [tex]-3[/tex]

---------------------------------------------------------------------------------------------

−48+6y=144

Step 1: Simplify both sides of the equation.

6y−48=144

Step 2: Add 48 to both sides.

6y−48+48=144+48

6y=192

Step 3: Divide both sides by 6.

[tex]\frac{6y}{6}[/tex] = [tex]\frac{192}{6}[/tex]

y = 32

if you scored 383 on the critical reading section on the SAT, what is your percentile

Answers

Answer:

20 percentile

Step-by-step explanation:

im sorry for your loss with your bad score.

Divide 6 divided by 3/5


Answer only if u know please:)

Answers

Answer:

The answer is 10 or 10/1

What is the difference of (14m+4) - (7m+1)

Answers

Answer:

7m+3

Step-by-step explanation:

distribute the - to 7m+1

14m+4-7m-1

now add like terms

7m +3

Answer:

The answer is 7m + 5

Step-by-step explanation:

A roll of nickels is worth $2.00. Write and solve an equation to determine the number of nickels in a roll.'
ASAPPPPPPPP

Answers

$2.00= .05X
X=40
X is the number of nickels

Which system of linear inequalities has the point (2, 1) in íts solution set?

Answers

Answer:

C

Step-by-step explanation:

I did it on edg...

C is the only equation that has both sets saying less than or equal to.

Therefore, (2,1) is the solution within c.

Decrease 112kg by 3/8

Answers

Answer:

70 kg

Step-by-step explanation:

[tex]\frac{5}{8}*\frac{112}{1}kg\\\frac{5}{1}*\frac{14}{1}kg\\5 * 14kg\\70 kg[/tex]

Decreasing 112kg by 3/8 is equal to 70kg.

What is a fraction?

A fraction is written in the form of a numerator and a denominator where the denominator is greater that the numerator.

We have two types of fractions.

Proper fraction and improper fraction.

A proper fraction is a fraction whose numerator is less than the denominator.

An improper fraction is a fraction where the numerator is greater than the denominator.

Example:

1/2, 1/3 is a fraction.

3/6, 99/999 is a fraction.

1/4 is a fraction.

We have,

To decrease 112kg by 3/8,

we can multiply 112 by 3/8 and then subtract the result from 112:

112 - (112 x 3/8)

First, we simplify 3/8 by finding a common denominator of 8:

= 3/8

= 3/8 x 8/8

= 24/64

So we have:

112 - (112 x 24/64)

To simplify this expression, we can first divide both the numerator and denominator of 24/64 by the greatest common factor, which is 8:

= 24/64

= (24 ÷ 8) / (64 ÷ 8)

= 3/8

Substituting this value, we get:

112 - (112 x 3/8)

Multiplying 112 by 3/8, we get:

= (112 x 3/8)

= (336/8)

= 42

Substituting this value, we get:

= 112 - 42

= 70

Therefore,

Decreasing 112kg by 3/8 is equal to 70kg.

Learn more about fractions here:

https://brainly.com/question/24370499

#SPJ3

Which of the equations are true identities? \begin{aligned} \text{A. }&(y+6)(y-7)+42=y^2-y \\\\ \text{B. }&(x+3)(x-8)=x^2-5x \end{aligned} A. B. ​ (y+6)(y−7)+42=y 2 −y (x+3)(x−8)=x 2 −5x ​

Answers

Answer:

Only A, the first equation is true.

Step-by-step explanation:

A. (y + 6)(y – 7) + 42 = y² + 6y –7y – 42 + 42 = y² – y. This means A is true

B. (x + 3)(X – 8) = x² + 3x – 8x – 24 = x² – 5x – 24. This means B is false.

Using the order of operations, what should be done first to evaluate 6 + 10-(-5)(3) - 5?

Answers

Answer:

(-5)

Step-by-step explanation:

Using PEMDAS you should do (-5) because Parenthisis Always Go First, since their are two parenthisis go left to right and answer those first. after that do (3) and after that simply go left to right with 6+10-(-5)(3)-5. Hope this helps.

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