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babymother [125]
3 years ago
13

When the sum of a number, n, and 6 is divided by 4 the

Mathematics
1 answer:
vagabundo [1.1K]3 years ago
6 0

Answer:

n = 14

Step-by-step explanation:

(n + 6)4 = 5

1. multiply by 4

n + 6 = 20

2. substract 6

n = 14

You might be interested in
An emergency medical technician earns $19.71 per hour. One month she earns a gross pay of $3326.06. How much did she make per we
Alex787 [66]

Answer:

The emergency medical technician made $739.12 per week

Step-by-step explanation:

Given that:

Per hour pay = $19.71

One month earning of emergency medical technician = $3326.06

Weeks in the following month = 4.5

For per week income, we will divide the monthly salary by number of weeks in the month.

Per week income = \frac{3326.06}{4.5}

Per week income = $739.12

Hence,

The emergency medical technician made $739.12 per week

8 0
2 years ago
Nicole bought a meal in a town with a 9% sales tax. She tips 20% on the bill, and then adds the sales tax. What is the total cos
zloy xaker [14]

Answer:

The total cost of the meal is $19.35.

Step-by-step explanation:

As Nicole ordered a $ 15 menu, and on that price she paid a tip of 20% and the town in which she bought it had a sales tax of 9%, the total cost of the meal is determined by performing the following calculation:

1- Menu $ 15

2- Tip $ 3 (15 x 0.2)

3- Sales tax $ 1.35 (15 x 0.09)

Thus, adding the three expenses, the total cost of the food for Nicole is $ 19.35 (15 + 3 + 1.35).

6 0
2 years ago
12) Amusement Parks A thrill ride at an amusement park carries riders 160 feet straight up and then releases them for a free fal
Sliva [168]

Answer:

sqrt(10)

Step-by-step explanation:

sqrt(160)/16

sqrt(16)sqrt(10)/sqrt(16)

4sqrt(10)/4

sqrt(10)

7 0
3 years ago
Horizon Cell Company charges $15 fee plus 10 cents per text, t, and unlimited phone calls.
m_a_m_a [10]
  • Let per text be t
  • Principal fee=$15
  • Additional fee per text=10

The expression is

\\ \sf\longmapsto 15+10(t)

Or.

\\ \sf\longmapsto C=15+10t

8 0
2 years ago
Find the perimeter of a rectangle whose length is 3 cm greater than its height, and whose area is 40 cm².
jonny [76]

Answer: 26\ cm

Step-by-step explanation:

The perimeter of a rectangle can be calcualated with this formula:

P=2l+2h

Where "l" is the lenght and "h" is the height.

 The area of a rectangle can be found with this formula:

A=lh

Where "l" is the lenght and "h" is the height.

In this case we know that:

A=40\ cm^2

Therfore, we can susbsitute them into A=lh and solve for "h" in  order to find its value:

40=(h+3)h\\\\40=h^2+3h\\\\h^2+3h-40=0

Find two number whose sum is 3 and whose product is -40. These are -5 and 8. Then, factorizing, we get:

(h-5)(h+8)=0\\\\h_1=5\\\\h_2=-8

The positive value is the height. Then:

h=5\ cm

Since the length is 3 centimeters greater than its height, we get that this is: Then:

l=5\ cm+3\ cm\\\\l=8\ cm

Substituting values into P=2l+2h, we get that the perimeter is:

P=2(8\ cm)+2(5\ cm)\\\\P=26\ cm

8 0
3 years ago
Read 2 more answers
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