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Ipatiy [6.2K]
3 years ago
11

Once you find the mistakes describe how to properly solve the problem

Mathematics
1 answer:
Mamont248 [21]3 years ago
7 0
Mistake #1: 1/2x was added; it should have been subtracted to get 5.5x
Mistake #2: 5/4 + 5 (20/4) is 25/4, which is 6.25 and not 3.75.
You should get 5.5x = 6.25, and x = 1.36. (not 15/26)



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If 2&gt; -a, then a &lt; -2.<br> True<br> False
Nonamiya [84]

Answer:

False

Step-by-step explanation:

Flip the equation.

−a<2

Divide both sides by -1.

a>−2

4 0
3 years ago
HELP ASAP!!!<br> Find the slope of this equation: <br> 6x+6=−4y
Dmitriy789 [7]

Answer:

the slope is -3/2

Step-by-step explanation:

We need to get the equation in the form

y = mx +b where m is the slope and b is the y intercept

6x+6 = -4y

Divide by -4

-6x/-4 +6/-4 = -4y/-4

-3/2 x -3/2 = y

The slope is -3/2 and the y intercept is -3/2

3 0
3 years ago
Read 2 more answers
You want to order carpet for an area in your house. The room measures 12 feet by 10 feet. Remember, Area = Length × Width. If ea
pochemuha

Answer:

402.9 $

Step-by-step explanation:

first you must turn foot into yards "every 3 foot = 1 yard"

3.33 , 4

then we will use the area=length x width formula

3.33 x 4 = 13.32 square yards

the cost of the carpet is

13.32 x 30.25 = 402.9$

4 0
3 years ago
Help please! There are 3 items in an order. They cost $8.95, $11.49, and $12.75. The sales tax for this order is 6.5%.
vredina [299]

Answer: $35.35

Step-by-step explanation:

Facts

3 items

item 1: 8.95

item 2: 11.49

item 3: 12.75

6.5% sales tax

Step 1: Find the total cost of the items ,before tax

8.95+11.49+12.75= 33.19

Step 2: Apply the sales tax

6.5% of 33.19 = 2.15735 --> approximatley $2.16

Step 3: Add the sales tax amount to the total cost of the items to find the final total cost.

$33.19+$2.16= $35.35  

Hence the answer is B

Hope this helps !! :)) And brainliest would be appreciated

3 0
2 years ago
Read 2 more answers
Micheal is building an iron man from junk in his dad's yard: he starts with a prototype of 1.8m high:he wants to make it 120m hi
finlep [7]
Ok, so the first thing you need is how much taller the second model is than the first model the way we do that is we take the second model height and divide that by the first model height 120/1.8=66.667 or 66 2/3 Second now we need to multiply the length of the middle finger by 66.667
6*66.667=400 cm now we just need to convert 400 cm to meters and since there are 100 cm in a meter we can do this 400/100=4 me so the answer is the little finger needs to be 4 meters long.
5 0
3 years ago
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