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3 years ago

a sweater is on sale for 20% off the regular price. The sale price is $60. What is the regular price of the sweater?

1 answer:

6 0

Hey there!

What you do is find how much was taken off and add that to the price

60*.2= 12

12 was taken off of the original price

Now add:
60+12= 72

So the regular price was $72

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student expanded an expression, as shown. Is the student's work correct? Explain why or why not. −6 ( 4x − 2 13 ) −6(4x) + 6 ( −

sleet_krkn [62]

Answer:

No, the student's work is not correct.

Step-by-step explanation:

Given : Student expanded an expression, as shown.

$-6(4x-\frac{2}{13} )$

$-6(4x)+6(-\frac{2}{13} )$

$-24x-\frac{12}{13}$

To find : Is the student's work correct?

Solution :

The expansion of student is not correct.

Follow the below steps to get correct solution and student mistake,

Step 1 - Write the expression,

$-6(4x-\frac{2}{13} )$

Step 2 - Apply distributive property, $a(b+c)=ab+ac$

$=(-6)(4x)+(-6)(-\frac{2}{13})$

Step 3 - Solve,

$=-24x+\frac{12}{13}$

The student was mistaken in step 2 in solving the sign.

4 0

3 years ago

Read 2 more answers

The sum of the measures of two adjacent angles is 72 degrees. The ratio of the smaller angle to the

Goryan [66]

Answer:

The larger angle is 54°

Step-by-step explanation:

Given

Let the angles be: θ and α where

θ > α

Sum = 72

α : θ = 1 : 3

Required

Determine the larger angle

First, we get the proportion of the larger angle (from the ratio)

The sum of the ratio is 1 + 3 = 4

So, the proportion of the larger angle is ¾.

Its value is then calculated as:.

θ = Proportion * Sum

θ = ¾ * 72°

θ = 3 * 18°

θ = 54°

4 0

2 years ago

1. A sum of money is shared among Jessica, Amanda, and Beverly in the ration 8:9:3

astra-53 [7]

Answer:

$200

Step-by-step explanation:

Amanda Beverly

9 : 3

difference between Amanda and Beverly = 9 - 3 = 6 portions.

∴ value of 6 portions = $60

value of 1 portion = $ 60 / 6

= $10

Total no. of portions = 8 + 9 + 3 = 20

Total sum of money to be shared = value of 1 portion x Total no. of portions

= $10 x 20

= <u>$200</u>

8 0

2 years ago

How many secare in 35 min?

Wewaii [24]

60 seconds are in each minute. To find the number of seconds in 35 minutes, you multiply 60 (seconds) by 35 (minutes.) The answer is 2,100 seconds.

8 0

3 years ago

Plz help worth 20 points

Nikolay [14]

Answer:

20 $cm^{2}$

Step-by-step explanation:

Area=base times height

Base=4 cm, height=5

4 x 5 =20

Answer: 20cm^2

6 0

2 years ago

Read 2 more answers