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Yanka [14]
4 years ago
7

X÷2+4 greater than 7​

Mathematics
1 answer:
denpristay [2]4 years ago
8 0
I’m am almost sure it’s true it should look like this X
__ > 7
2+4
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A cashier collects 124 bills totaling $920 dollars. Assuming that the cashier collects $5, $10, and $20 bills, and that she coll
musickatia [10]
Let the no. of $10 bills be x, the no. of $5 bills be 2x, and the no. of $20 bills be y.

<span>A cashier collects 124 bills => x + 2x + y = 124  => 3x +y =124

</span>totaling $920 dollars => ($10)(x) + ($5)(2x) + ($20)(y) = $920 => 20x + 20y = 920

Now you got 2 equations :
3x +y =124 &
20x + 20y = 920

3x +y =124 => y=124-3x
Then Sub y=124-3x into 20x + 20y = 920,
ie. 20x + 20(124-3x) = 920 
     20x + 2480 - 60x = 920
     2480 - 40x = 920
      2480 - 920 = 40x
               1560 = 40x
                      x = 39

6 0
4 years ago
What is the solution set of the equation x/5 + x/2=14
IrinaVladis [17]
X/5 + x/2 =14
⇒ 2x/10 + 5x/10 = 14 (common denominator)
⇒ 7x /10 = 14
⇒ 7x* (10/10) = 14*10
⇒ 7x = 140
⇒ (7/7)*x= 140/7
⇒ x= 20

The final answer is x=20.

Hope this helps~
8 0
3 years ago
A bedroom measures 9 feet long and 11 feet wide. A scale drawing is made using a scale factor of 112.
bazaltina [42]

Given the previous length of the bedroom and the current scale factor, the length of the bedroom in the current scale drawing is 1008ft.

<h3>What is the length of the bedroom in the scale drawing?</h3>

Scale factor is simply a measure for similar figures, who look the same but have different scales or measures.

To get new dimension;

New dimension = scale factor × current dimension

Given that;

  • Current length of the bedroom = 9ft
  • Current width of the bedroom = 11ft
  • Scale factor = 112
  • New length of the bedroom = ?

New dimension = scale factor × current dimension

New length of the bedroom = 112 × 9ft

New length of the bedroom = 1008ft

Therefore, given the previous length of the bedroom and the current scale factor, the length of the bedroom in the current scale drawing is 1008ft.

Learn more about scale factor here: brainly.com/question/22312172

#SPJ1

6 0
2 years ago
Jamie needs to determine the distance across a river. She selects a rock, R. on the opposite river bank. She finds a tree, T. on
Elina [12.6K]

9514 1404 393

Answer:

  RT = 75 yards

Step-by-step explanation:

Triangle TCB is congruent to triangle TCR by ASA. (Side TC is between angles T and C.)

Then RT = BT = 75 yards.

4 0
3 years ago
What is the slope of the line represented by the equation – 5x + 2y = 10 ?
77julia77 [94]
the answer is A. -5/2

Hope this helpedb
4 0
3 years ago
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