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LiRa [457]
3 years ago
15

Someone plz help me I’ll mark as brainliest

Mathematics
2 answers:
mote1985 [20]3 years ago
8 0

Answer:


Step-by-step explanation:

The total cost is $30 and you got 20% off

30 x .20 = 6 so you saved $6

faltersainse [42]3 years ago
5 0
It is $6 hope this helps
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What is does 4x + 9 = 68
zheka24 [161]

4x + 9 = 68

Subtract 9 from both sides:

4x = 59

Divide both sides by 4

X = 59/4

X = 14.75

6 0
3 years ago
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Which of the following inequalities is not true? |-9| ≠ |9| -2 ^2 < 3 -7 ≤ -5 |-1| ≥ 0
guajiro [1.7K]

Answer:

(a) |-9| ≠ |9| is NOT TRUE.

(b) -2 ^2< 3   is TRUE

(c)  -7 ≤ -5 is TRUE

(d) |-1| ≥ 0 is TRUE.

Step-by-step explanation:

Solving each expression separably:

(a)  |-9| ≠ |9|

By the definition of <u>MODULUS FUNCTION</u>:  IxI = x, if x > 0

                                                                              = (-x) if x <, 0

⇒ I-9I = -(-9)  = 9, and I9I = 9

So, I-9I = I9I . Hence, |-9| ≠ |9| is NOT TRUE.

(b) -2 ^2< 3  

⇒-2 ^2 = (-2) \times (-2) \times (-2)  = -8  

and (-8) < 3.

Hence,  -2 ^2< 3   is TRUE

(c) -7 ≤ -5

-7 < -5  on the number line of integers.

Hence, -7 ≤ -5 is TRUE

(d) |-1| ≥ 0

I(-1)I  = -(-1)  = 1

and 1 > 0

Hence, |-1| ≥ 0 is TRUE.

6 0
3 years ago
Read 2 more answers
Mr Peat's 6 children had 4 cookies to share evenly. What fraction of the cookies did each child recievee?
Gnoma [55]
2/3 this would be what each child receives
8 0
3 years ago
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This hanger is in balance. There are two labeled weights of 8 grams and 20 grams.The four circles each have the same weight.
Svet_ta [14]

Answer:

each circle weight 3 grams

Step-by-step explanation:

I think your question missed key information, allow me to add in and hope it will fit the orginal one. Please have a look at the attached photo,

<em>This hanger is in balance. There are two labeled weights of 8 grams and 20 grams.The four circles each have the same weight.</em>

<em>what is the weight of each circle.​</em>

My answer:

Let x is the the weight of the  circle

Because this hanger is in balance, so we can form the equation:

20 = 8 + 4x

<=> 4x = 20-8

<=> 4x = 12

<=> x = 3

So each circle weight 3 grams

5 0
3 years ago
Solve the equation.<br><br> n – 40 – 26 = –35
viva [34]

Answer:

Step-by-step explanation:

n - 66 = -35

n = 31

8 0
3 years ago
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