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Marina CMI [18]
2 years ago
6

Are -3/5 and -0.4 equal

Mathematics
1 answer:
Alecsey [184]2 years ago
6 0

\huge \boxed{\mathfrak{Question} \downarrow}

  • Are -3/5 and -0.4 equal ?

\large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}

  • Okay so, to solve this question we need to convert -3/5 to its decimal form.
  • \large \sf -  \frac{3}{5}  =  - 0.6 \\
  • We can see that - 3/5 is equal to - 0.6 which is not equal to -0.4.
  • So, <em><u>- 3/5 & - 0.4 are not equal.</u></em>
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dolphi86 [110]
Find a common denominator and then add.
3/5=6/10
6/10+1/10=7/10
5 0
3 years ago
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HELP ME PLEASE!!
LUCKY_DIMON [66]

Using a system of equation, we have that:

a)

  • x, which is the cost of on-site service.
  • y, which is the cost of at-store service.
  • z, which is the cost of by-mail service.

b)

The system is:

x = 3y

z = y - 10

15x + 40y + 5z = 3100

c)

The cost of one on-site repair service is of $90.

Item a:

The variables are:

  • x, which is the cost of on-site service.
  • y, which is the cost of at-store service.
  • z, which is the cost of by-mail service.

Item b:

On-site service costs <u>3 times as much as at-store service</u>, thus:

x = 3y

By mail service costs <u>$10 less than at-store</u>  service, thus:

z = y - 10

Last week, the shop completed <u>15 services on-site, 40 services at-store, and 5 services by mail for total sales of $3100</u>, thus:

15x + 40y + 5z = 3100

The system is:

x = 3y

z = y - 10

15x + 40y + 5z = 3100

Item c:

  • The cost of one on-site repair service is x.
  • First, replacing the first two equations into the third, we find y, and then with it we find x.

15x + 40y + 5z = 3100

15(4y) + 40y + 5(y - 10) = 3100

60y + 40y + 5y = 3150

105y = 3150

y = \frac{3150}{105}

y = 30

Then

x = 3y = 3(30) = 90

The cost of one on-site repair service is of $90.

A similar problem is given at brainly.com/question/24823220

3 0
2 years ago
The community theater sold a total of 75 adult and student tickets. Each adult ticket cost $9.05, and each student ticket cost $
Savatey [412]

Answer:

I believe they sold 150 adult tickets 80 student tickets, and 48 children tickets

Step-by-step explanation:

3 0
3 years ago
Amanda, Rafael, and Michael served a total of 92 orders Monday at the school cafeteria. Rafael served 2 times as many orders as
Schach [20]

The number of orders Michael, Rafael and Amanda served are 16.8, 33.6, and 41.6 servings

respectively.

<h3>Equation</h3>

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  • Rafael = 2x
  • Amanda = 2x + 8
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x + 2x + (2x + 8) = 92

3x + 2x + 8 = 92

5x = 92 - 8

5x = 84

x = 84/5

x = 16.8 servings

Therefore,

Michael = x

= 16.8 servings

Rafael = 2x

= 2(16.8)

= 33.6 servings

Amanda = 2x + 8

= 33.6 + 8

= 41.6 servings

Learn more about equation:

brainly.com/question/4344214

#SPJ1

5 0
2 years ago
X to the power of two plus five x plus 4
Iteru [2.4K]

Answer: (x + 1) ( x + 4)

Step-by-step explanation:

8 0
2 years ago
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