1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
klasskru [66]
3 years ago
7

Ten increased by 6 times a number plus 3times the number is the same as 9more than 12 times the number

Mathematics
1 answer:
nirvana33 [79]3 years ago
8 0
It is 14 and divide by 4 is 36
You might be interested in
I need help with number 4!
lesya692 [45]

Answer:

x = -8, y = 6

Step-by-step explanation:

x + 2y = 4 ------(1)

x + y = - 2

y = - x - 2 ----------(2)

Substitute y in (1)

x + 2(- x - 2) = 4

x - 2x - 4 = 4

- x = 4 + 4

x = -8

Substitute x in (2)

y = - (- 8) - 2 = 8 - 2 = 6

5 0
2 years ago
Read 2 more answers
The length of a rectangle is 5 ft less than three times the width, and the area of the rectangle is 50 ft². Find the dimensions
Mariulka [41]

Answer

Length = 10 ft

Width = 5 ft

Explanation

Area of the rectangle given = 50 ft²

Let the width of the rectangle be x

So this means the length of the rectangle will be 3x - 5

What to find:

The dimensions of the rectangle.

Step-by-step solution:

Area of a rectangle = length x width

i.e A = L x W

Put A = 50, L = 3x - 5, W = x into the formula.

\begin{gathered} 50=(3x-5)x \\ 50=3x^2-5x \\ 3x^2-5x-50=0 \end{gathered}

The quadratic equation can now be solve using factorization method:

\begin{gathered} 3x^2-5x-50=0 \\ 3x^2-15x+10x-50=0 \\ 3x(x-5)+10(x-5)=0 \\ (3x+10)(x-5)=0 \\ 3x+10=0\text{ }or\text{ }x-5=0 \\ 3x=-10\text{ }or\text{ }x=5 \\ x=-\frac{10}{3}\text{ }or\text{ }x=5 \end{gathered}

Since the dimension can not be negative, hence the value of x will be = 5.

Therefore, the dimensions of the rectangle will be:

\begin{gathered} Length=3x-5=3(5)-5=15-5=10\text{ }ft \\  \\ Width=x=5\text{ }ft \end{gathered}

7 0
1 year ago
Allison bought 15 donuts and 12 cupcakes at the bakery. Of these items, 2/3 of the donuts were glazed, and 4/6 of the cupcakes w
Mariulka [41]

Answer: 7

Step-by-step explanation: I had this question before

8 0
3 years ago
Read 2 more answers
$10.82 for 2 earmuffs markup rate is 72%. what is the markup and retail price for 2 earmuffs
Katarina [22]
Markup=10.82(72/100)≈$7.79  (to nearest cent)

retail=10.82(100+72)/100≈$18.61 (to nearest cent)
3 0
3 years ago
Read 2 more answers
X+y=5 3x+3y=10 eliminacion
Dominik [7]



[1] y = -x + 5



3x + 3•(-x +5) = 10

0 = -5 => NO solution
8 0
3 years ago
Other questions:
  • Solution of the inequality y>1.9
    13·1 answer
  • How do you find the product for 2x0.8 and draw a quick picture
    13·2 answers
  • PLEASE HELP ASAP
    9·2 answers
  • What is the approximate volume of a cylinder with a height of 3 ft and a radius of 4 ft?
    11·2 answers
  • What is 534.076 rounded to the nearest hundredth? A. 534.07 B. 534 C. 500 D. 534.08
    13·2 answers
  • How many 3/4 teaspoons of salt are in 1/3 of a teaspoon of salt?
    8·1 answer
  • Solve the equation.<br><br> x/4=3.6.what is x?<br><br> thanks for the help this is worth 10 points
    14·2 answers
  • Type the correct answer in each box. Use numerals instead of words. If necessary, use / for the fraction bar(s). The formula for
    15·2 answers
  • Ann increased the quantities of all the ingredients in a recipe by 60% 60, percent. She used 808080 grams (g) of cheese. How muc
    12·1 answer
  • Which must be true? Select all that apply.
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!