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IRINA_888 [86]
3 years ago
13

A pattern for 1 uniform uses 12 yards of material. Boleslaw wants to know how many yards are needed for 8 uniforms. Chantal want

s to know how many yards she will need to make 15 uniforms. Drag an expression to answer each question.
Mathematics
2 answers:
anygoal [31]3 years ago
8 0

Answer:

12x

Step-by-step explanation:

8 uniforms= 96 yards

15 uniforms= 180 yards

PSYCHO15rus [73]3 years ago
6 0

Answer:

0

Step-by-step explanation:

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- 5x + 2y = 9<br> y = 7x
Lorico [155]

Answer:

<h2><u>x = 1</u></h2>

Explanation:

- 5x + 2y = 9

  • y = 7x
  • <u>Insert 7x For 'y'</u>

- 5x + 2(7x) = 9

  • <u>Remove Parenthesis</u>

-5x + 2 · 7x = 9

  • <u>Multiply: 2 · 7 = 14</u>

-5x + 14x = 9

  • <u>Add: -5x + 14x = 9x</u>

9x = 9

  • <u>Divide Both Sides By 9</u>

9x ÷ 9 = 9 ÷ 9

<h2><u>x = 1</u></h2>
8 0
3 years ago
Solve the following system of equations by substitution. Show all steps.
Alinara [238K]

Answer:

Given system of equations:

\begin{cases}f(x)=-x^2+2x+3\\g(x)=-2x+3\end{cases}

To solve by substitution, equate the equations and solve for x:

\begin{aligned}f(x) & = g(x)\\\implies -x^2+2x+3 & = -2x+3\\-x^2+4x & = 0\\x^2-4x & = 0\\x(x-4) & = 0\\\implies x & = 0\\\implies x-4 & = 0 \implies x=4\end{aligned}

Therefore, the x-values of the solution are x = 0 and x = 4.

To find the y-values of the solution, substitute the found values of x into the functions:

f(0)=-(0)^2+2(0)+3=3

g(0)=-2(0)+3=3

f(4)=-(4)^2+2(4)+3=-5

g(4)=-2(4)+3=-5

Therefore, the solutions to the given system of equations are:

(0, 3) and (4, -5)

4 0
2 years ago
Solve the equation x^13-2x^12-x^11+2x^10=0 in the real number system
ASHA 777 [7]

Answer:

x ={0; - 1 ;  2 ;  1}

Step-by-step explanation:

x¹³-2x¹²-x¹¹+2x¹⁰=0

x¹⁰(x³-2x²-x+2)=0

x¹⁰(x+1)(x-2)(x-1)=0

x¹⁰=0    ∨   x+1=0    ∨    x-2=0   ∨   x-1=0

x=0             x= - 1             x= 2          x= 1

3 0
3 years ago
Please help me solve this for Algebra!
11111nata11111 [884]

Answer:

D

Step-by-step explanation:

3 0
3 years ago
What is the answer for this question plz help
emmainna [20.7K]
So you swap sides and you have 3x=93 and then you divide 3 by 93 and you get x=31
6 0
3 years ago
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