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hammer [34]
3 years ago
15

Deigo has $11 and begins saving $5 each week toward buying a new phone.At the same time that Diego begins savings.Lin has $60 an

d begins spending $2 per week on supplies for her art class.is there a week when they have the same amount of money? How much do they have at the time ?
Mathematics
2 answers:
Roman55 [17]3 years ago
7 0

Answer:

yes, after 7 weeks they will have the same amount of money. 46 dollars.

Step-by-step explanation:

First start of by writing an expression to represent this problem

11 + 5x = 60 - 2x

combine like terms. and find value of x.

subtract 11 from the 60

5x = 49 - 2x

move the 2x over to the other side. So + 2x

7x = 49

divide 7 from 49

49/7

x = 7

x=7 amount of weeks they will have the same amount of money

fgiga [73]3 years ago
4 0
On the eighth week, both Deigo and Limb will have the same amount of money of $46.
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Estimate the solution to the system of equations.
Georgia [21]

Answer:

<em>x = 4 / 3, y = 7 / 3</em>

Step-by-step explanation:

We are given the following system of equations;

{ 7x - y = 7,      ⇒        Let us multiply the first equation by 2,

x + 2y = 6 }

2 * ( 7x - y = 7 )  ⇒  14x - 2y = 14  ⇒  Now add the two equations

+ x + 2y = 6           + x  + 2y = 6                          

14x + x = 14 + 6 ⇒ Simplify

15x = 20,

<em>x = 4 / 3</em> ⇒ Now substitute this value of x into the first equation to solve for the value of y,

7 * ( 4 / 3 ) - y = 7 ⇒ Simplify,

28 / 3 - y = 7,

y = 7 / 3

<em>Solution; x = 4 / 3, y = 7 / 3</em>

5 0
3 years ago
Sally has three pieces of material. The first piece is 1 yd. 2 ft. 6 in. long, the second piece is 2 yd. 1 ft. 5 in long, and th
Nataliya [291]
The answer is <span>D. 9 yd. 7 in. 
</span>
Let's sum all up:
1yd 2ft 6in + 2yd 1ft 5in + 4yd 2ft 8in

Sum inches:
6 + 5 + 8 = 19 in
12 in = 1 ft
19 in = 1ft 7in

Sum feet:
2 + 1 + 2 + 1(from inches) = 6 ft
3ft = 1yd
6ft = 2y

Sum yards:
1 + 2 + 4 + 2(from feet) = 9 yd


4 0
3 years ago
What’s the value of x?
Radda [10]

Answer:

the answer is A.)23

Step-by-step explanation:

3 0
4 years ago
2. QUIT WHILE YOU CAN Smoking has long been connected with serious diseases, such as lung cancer,
den301095 [7]

Using proportions, it is found that the life span of the person would be 14 years, 212 days and 22 hours shorter.

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

  • 2 packs a day for 35 years is 40 cigarettes a day for 12775 days, as 35 \times 365 = 12775.
  • Thus, a total of 511000 cigarettes, as 40 \times 12775 = 511000.
  • Assuming each cigarette costs 15 minutes of life, the person loses 7665000 minutes of life, as 15 \times 511000 = 7665000

  • One year has 525600 minutes, thus the person loses 14 years of life, as \frac{7665000}{525600} = 14.5833333
  • Looking at the decimal part, the person loses 212 days of life, as 0.5833333 \times 365 = 212.916666655
  • Again looking at the decimal part, 22 hours, as 0.916666655 \times 24 = 22

  • Thus, the person loses 14 years, 212 days and 22 hours of life.

A similar problem is given at brainly.com/question/23352001

6 0
2 years ago
Which of the following will give you the incorrect slope? (1 point)
Oxana [17]

The answer is B hope this helps.

3 0
3 years ago
Read 2 more answers
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