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kolezko [41]
3 years ago
8

Plz someone help me ASAP on my last question

Mathematics
1 answer:
adell [148]3 years ago
5 0
There are a bunch of p3rverts on this app:/ explanation:
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What is the sale price of an item originally selling for $49.99 that is on sale for 30% off?
melomori [17]

If the original price is $49.99 and it is 30% off. You would want to find what 70% of 49.99 is in order to find the 30% of sale price. So once you do that you will find out that the answer is $34.99

Let me know if this helps! Good luck!

3 0
3 years ago
Read 2 more answers
Find the perimeter of the figure below, in inches.
iris [78.8K]

Answer:

292.6 I think

Step-by-step explanation:

to double check just add all sides up together

3 0
2 years ago
I need help with 20, 23-25 please​
Doss [256]

Step-by-step answer:

All the problems use absolute value function |x|

|x| means the positive value of x.  That means |x| = |-x|

For example, |23| = |-23| = 23  (positive value)

In solving linear equations with absolute value functions, we generally have two solutions, for example:

|x+1| =7   mean we solve for x in

(x+1) = 7 => x=6,  (when x+1 >0)

or

-(x+1) = 7 => x=-8  (when x+1<0)

So the solution is x=6 or x=-9

Q20:

Given: a=-2, b=-3, c=2, x=2.1, y=3, z=-4.2

Evaluate -3|z| + 2 (a + y)

Solution:

Substitute values, namely

-3|z| + 2 (a + y)

= -3 |-4.2|

In solving linear equations with absolute value functions, we generally have two solutions, for example:

|x+1| =7   mean we solve for x in

(x+1) = 7 => x=6,  (when x+1 >0)

or

-(x+1) = 7 => x=-8  (when x+1<0)

So the solution is x=6 or x=-9

Q23:

|f+10|=1

when f+10 > 0 :  (f+10) = 1 => f+10 = 1 => f = 1 - 10  => f = -9

when f+10 < 0 :  -(f+10) = 1 => -f -10 = 1 => -f = 1+10 => -f = 11  => f = -11

The solution is therefore  f = { -9, -11 }

Q24:

| v-2 | = -5

when v-2 > 0  :  (v-2) = -5  =>  v-2 = -5  =>  v=-5+2  =>  v = -3

when v-2 < 0  :  -(v-2) = -5   => -v +2 = -5  => -v = -5-2   =>  v = 7

The solution is therefore v = {-3, 7}

Q25:

| 4t-8 | = 20

when 4t-8 > 0 :  (4t-8) = 20  =>  4t = 20+8  =>  4t=28  =>  t=7

when 4t-8 < 0 : -(4t-8) = 20 => -4t +8 = 20 => -4t = 20-8  => -4t = 12  => t = -3

The solution is therefore t = { 7, -3 }

6 0
3 years ago
If two angles are supplementary and one of the angles measures 62°, what is the measure of the other angle?
Rzqust [24]

Answer:

118°

Step-by-step explanation:

Supplementary angles add up to 180°.

Since the two angles are supplementary then the two angles add up to 180°. One angle measure is 62°, the other has to be 180° - 62 = 118°

7 0
3 years ago
What is the solution to the equation 6x-3=-51
docker41 [41]
6x - 3 = -51
add 3 to both sides
6x = -48
divide by 6 to both sides
× = -8
6 0
3 years ago
Read 2 more answers
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