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Katyanochek1 [597]
3 years ago
6

A construction crew is lengthening a road. The crew is adding 6 miles to the road each week. The road originally measured 52 mil

es long. The crew's goal is given by 6x+52>130, where x is the number of weeks the crew works.
Mathematics
1 answer:
PSYCHO15rus [73]3 years ago
7 0

6x + 52 > 130

Subtract 52 from both sides:

6x > 78

Divide both sides by 6:

X > 78/6

X > 13

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One hamburger and one coke cost $3.20. Three hamburgers and one coke cost $8.00. Find the cost of one hamburger.
Varvara68 [4.7K]

Answer:

$0.80

Step-by-step explanation:

-3 (1x + 1y = 3.2)

3x + 1y = 8

----------------

-3x - 3y = -9.6

+

3x + 1 y = 8

-------------------

0x -2y = -1.6

÷ -2

-----------------

y = 0.8

one hamburger costs $0.80

5 0
3 years ago
Read 2 more answers
Benjamin started her walk from the front door of her ground floor apartment. She walked 6 meters to the corner of the building a
notsponge [240]

Answer:

<u>4 meters.</u> 

Step-by-step explanation:

Benjamin has walked two legs of a right triangle, so you can connect her two movements with a line if you were sketching the situation.. The displacement is the objects overall change in position in relation to its origin, so in your case, Benjamin's apartment. While the total distance adds up regardless of her position. 

So, the total distance Benjamin walked is 10m + 6m = 16m 

Her displacement can be found by your best friends, the Pythagorean Theorem: 10m ^2 + 6m ^2 = delta x^2 (or displacement squared).. giving you a displacement of 11.66, or 12 m.

The difference between the distance she walked and her displacement is 4 meters. 

I hope this helps. If you have any more questions, please feel free to post them and someone will be able to help you, whether it's myself or others. Please leave a like, rating, and if possible, Brainliest. Have a great day!    

6 0
3 years ago
In the following exercises, write the first five terms of the sequence whose general term is given.
Sladkaya [172]

Answer:

2, 9 , 16 , 23 , 30 ......

Step-by-step explanation:

a_n = 7n - 5

       a_1 = 7*1 - 5  = 7-5 = 2\\\\a_2 = 7*2 - 5 = 14 - 5 = 9\\\\a_3 = 7*3 - 5 = 21 - 5 = 16\\\\a_4= 7*4 - 5 = 28 - 5 = 23\\\\a_5= 7*5 - 5 = 35 - 5 = 30

4 0
2 years ago
Solve: -rt - 80 &gt; 30 for r. show your work!
vaieri [72.5K]
<h2>Steps:</h2>

So to solve for a variable, we must isolate it onto 1 side of the inequality. In this case, we must isolate r. Firstly, add 80 to both sides of the inequality:

-rt>110

Next, divide both sides by t:

-r>\frac{110}{t}

Next, multiply both sides by -1. Since we are multiplying by a <em>negative</em> number, flip the inequality symbol as well:

r

<h2>Answer:</h2>

<u>In short, your final answer is r</u>

7 0
3 years ago
111,111,111×111,111,111
Andrej [43]

Answer:

Step-by-step explanation:

Can i be made brainliest

5 0
3 years ago
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