A company charges $211.25 for 5 trees and 15 shrubs, The company charges$15.25 more for a tree than a shrub. How much does each shrub cost?

Answers

Answer 1

Answer: First we make our formula: 5(t+15.25)+15t=211.25. (I use the same letter for both variables, but you have to make sure that whatever makes them different is in the formula) Then you work it like normal: 20t=135, T=6.75 so 1 shrub costs $6.75 Then substitute the answer in: 5(6.75+15.25)+15(6.75)=211.75 and check it. 1 tree is $110 :) hope this helps :)

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Substitution: y-2x=-6 and 5x-y=9

Answers

y-2x=-6 and 5x-y=9

step 1: isolate y in the first equation

y = 2x - 6

step 2: substitute the y value on the 2th equation:

5x-(2x-6)=9

step 3: solve the present equation:

5x - 2x + 6 = 9
3x = 9-6
3x = 3
x = 1

step 4: get the y value by replacing the value of x in y = 2x - 6:

y = 2*1 - 6
y = 2 - 6
y = -4

S={1, -4}

$\left \{ {\big{y-2x=-6} \atop\big {5x-y=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ \ \ \ \ \ \ \ \ } \atop\big {5x-(2x-6)=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ \ \ \ \ \ \ \ \ } \atop\big {5x-2x+6=9\ \ }} \right. \n\n \left \{ {\big{y=2x-6\ \ } \atop\big {3x=3\ /:3 }} \right. \n\n \left \{ {\big{y=2x-6 } \atop\big {x=1\ \ \ \ \ \ }} \right. \n\n \left \{ {\big{y=-4 } \atop\big {x=1\ }} \right. \n\n$

$Ans.\ \left \{ {\big{x=1} \atop\big {y=-4}} \right. \ \ \ \Rightarrow\ \ \ point:\ \ (1;-4)$

I have 4 sides and 4 vertices,what am I

Answers

I would say a parallelogram
Hope I helped!

The answer you are looking for is a square or a rhombus

Olga simplifies the expression x + 7x to 7x2. Use the drop-down menus to complete the statements below to explain why Olga's solution is correct or incorrect.

Answers

Answer: Olga's solution is incorrect

x + 7x is the same as 1x + 7x

7x2 is the same as 7x. x

x + 7 x simplifies to 8x

Step-by-step explanation:

Answer:

Olga's solution is incorrect. x + 7x is the same as 1x+7x. 7x2 is the same as7x × x . x + 7x simplifies to 8x.

Step-by-step explanation:

If Julie needs 3 1/4 cups of oatmeal, how many 1/4 cups of oatmeal will she use?

Answers

The answer is thirteen
1 cup=4 one fourths
3 cups=12 one fourths
Add one more one fourth

3 1/4 divided by 1/4= 13
there is (4) 1/4 cups in 1 cup

If 4x+5=0 what is the value of x

Answers

Answer:

-5/4

Step-by-step explanation:

4x=-5

x=-5/4

The value of x is -5/4

Explanation:

4x+5=0 subtract 5 from both sides
4x=-5 divide both sides by 4
x=-5/4

Brainliest my answer if it helps you out?

Simplify (6/x+2)(x^2-4/x-2)

Answers

Answer:

=(6/x+2)(x^2-4/x-2)

=2x^4+6x^3-4x^2-20x-24

x^2

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