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3 years ago

6

Jose has a rectangular garden in his backyard that covers 105 square meters. The length of the garden is 1 meter more than twice

its width. Find the dimensions of the garden.

1 answer:

Furkat [3]3 years ago

3 0

Is there a picture that goes with the problem

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6. Solve using any method.<br> x+6y=7<br> 5x + 8y = 13

Norma-Jean [14]

Answer:

<h2>x = 1, y = 1 → (1, 1)</h2>

Step-by-step explanation:

$\bold{ELIMINATION\ METHOD}\\\\\left\{\begin{array}{ccc}x+6y=7&\text{Multiply both sides by (-5)}\\5x+8y=13\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-5x-30y=-35\\5x+8y=13\end{array}\right}\qquad\text{add both sides of the equations}\\.\qquad-22y=-22\qquad\text{divide both sides by (-22)}\\.\qquad\boxed{y=1}\\\\\text{Put it to the first equation}\\\\x+6(1)=7\\x+6=7\qquad\text{subtract 6 from both sides}\\\boxed{x=1}$

$\bold{SUBSTITUTION\ METHOD}\\\\\left\{\begin{array}{ccc}x+6y=7&\text{subtract}\ 6y\ \text{from both sides}\\5x+8y=13\end{array}\right\\\\\left\{\begin{array}{ccc}x=7-6y&(1)\\5x+8y=13&(2)\end{array}\right\\\\\text{Substitute (1) to (2):}\\\\5(7-6y)+8y=13\qquad\text{use the distributive property}\\(5)(7)+(5)(-6y)+8y=13\\35-30y+8y=13\qquad\text{subtract 35 from both sides}\\-30y+8y=13-35\qquad\text{combine like terms}\\-22y=-22\qquad\text{divide both sides by (-22)}\\\boxed{y=1}$

$\text{Put it to (1):}\\\\x=7-6(1)\\x=7-6\\\boxed{x=1}$

4 0

3 years ago

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Brad bought a toy truck and toy car for $8.72 the car cost $4.85 how much did the toy truck cost?

Gekata [30.6K]

Answer:

the answer is B. 3.87

Step-by-step explanation:

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3 years ago

Write the equation y = -(x – 5)2 + 21 in standard form.

GuDViN [60]

Answer:

y = − x + 31

Step-by-step explanation:

y = − 2 x + 31

5 0

3 years ago

Red and grey bricks were used to build a decorative wall. The number of red bricks and grey bricks was 5/2. There were 140 brick

ozzi

Answer:

100 red bricks

Step-by-step explanation:

Let's say red bricks is equal to 5x

Gray bricks is equal to 2x

We have an equation

2x + 5x = 140

= 7x = 140

Divide through by 7 to get the value of x

X = 140/7

X = 20

Red bricks = 5(x)

= 5(20)

= 100

Gray bricks = 2(x)

= 2(20)

= 40

Therefore in conclusion the number of red bricks is 100.

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3 years ago

What is the measure of RST shown in the diagram below?

hammer [34]

Answer:

dsdsdsdsdsdssdsddddddddd

Step-by-step explanation:

7 0

3 years ago

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