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algol13
3 years ago
15

Write the equation for the statement the sum of three times x and 13 is 25 ​

Mathematics
1 answer:
Sonja [21]3 years ago
5 0

Answer:

3x+13=25

Step-by-step explanation:

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Julius has a garden that has dimensions of 12 ft by 20 ft. Julius needs more room to plant some peppers, and determines the gard
alukav5142 [94]

Answer:

C. 3.4 feet

Step-by-step explanation:

Let, the amount of increase be 'x' feet.

As, the length and width of the garden are 20 ft and 12 ft respectively.

It is given that the area of the new garden is 360 ft²

Since, the length and width are increased by 'x'.

The new length and width are (x+20) ft and (x+12) ft respectively.

So, we get,

New area, A_{G} = length × breadth = (x+20) × (x+12)

i.e. 360 = x^{2}+32x+240

i.e. x^{2}+32x-120=0

i.e. (x+35.4)(x-3.4)=0

i.e. x = -35.4 and x= 3.4

Since, the value of x cannot be negative.

Thus, x = 3.4 feet.

5 0
3 years ago
6. Enrico is filling his pool. The pool has 3,000 gallons of water in it now. The water hose that Enrico uses puts 500 gallons p
sergeinik [125]

Answer:

equation: y = 500x + 3,000

Step-by-step explanation:

The slope is 500 because it is gaining 500 gallons of water every hour. The y-intercept is 3,000 because the pool started off with 3,000 gallons in it.

7 0
2 years ago
George wishes to increase the percent of acid in 50ml of a 15% acid solution to 25% acid, how much pure acid must he add?
sdas [7]
I think u will need to add 5ml acid into the solution to get 25% acid

6 0
3 years ago
Read 2 more answers
Please someone help me with maths​
Nata [24]

Answer:

<em>a</em><em>)</em><em>=</em><em> </em><em>5x</em><em>+</em><em>10</em>

<em>b</em><em>)</em><em>=</em><em> </em><em>7y-6</em>

<em>c</em><em>)</em><em>=</em><em> </em><em>6x-6</em>

<em>d</em><em>)</em><em>=</em><em> </em><em>2x</em><em>^</em><em>2</em><em>+</em><em>8x-5</em>

<em>e</em><em>)</em><em>=</em><em> </em><em>6x</em><em>+</em><em>9</em>

<em>f</em><em>)</em><em>=</em><em> </em><em>4xy-4y</em><em>^</em><em>2</em><em>+</em><em>8y</em>

<em>g</em><em>)</em><em>=</em><em> </em><em>-12y</em><em>^</em><em>2</em><em>+</em><em>10y</em>

<em>h</em><em>)</em><em>=</em><em> </em><em>6x</em><em>+</em><em>154</em>

<em>i</em><em>)</em><em>=</em><em> </em><em>6x</em><em>+</em><em>21</em>

<em>h</em><em>)</em><em>=</em><em> </em><em>2x</em><em>^</em><em>2</em><em>+</em><em>16</em>

6 0
3 years ago
Read 2 more answers
An item is regularly priced at $27. It is now priced at a discount of 45% off the regular price. Find the price now
r-ruslan [8.4K]
The answer would be $12.15
8 0
3 years ago
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