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3 years ago

Solve for x. y = x + 6

Mathematics

2 answers:

kolbaska11 [484]3 years ago

8 0

Answer:

Step-by-step explanation:

y = x + 6 → x + 6 = y <em>subtract 6 from both sides</em>

x + 6 - 6 = y - 6

x = y - 6

Degger [83]3 years ago

3 0

To get x by itself you must subtract 6 from both sides, so the answer would be c. X = y-6

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You bought groceries last week. You used coupons and saved 25% on your grocery bill. You saved $8.80. How much was your bill bef

QveST [7]

Answer:

$35.2

Step-by-step explanation:

% saved = 25%

Money saved = $8.80

Let x be the bill before the coupon discount.

25/100 × x = 8.80

x = $35.2

7 0

3 years ago

A square has a diagonal length of 10 ft. Draw a diagram and determine the perimeter of the square.

denpristay [2]

The perimeter of the square is: $20\sqrt2$ ft

Step-by-step explanation:

The picture is attached with the answer.

the diagonal of a square divides it into two right angled-triangles.

We can use one of the triangle to find the length of side as the diagonal will be the hypotenuse of the triangle

Let a be the side of the square, then according to Pythagoras theorem

$d^2=a^2+a^2\\(10)^2 = 2a^2\\2a^2=100$

Dividing both sides by 2

$\frac{2a^2}{2}=\frac{100}{2}\\a^2=50$

Taking Square root on both sides

$\sqrt{a^2}=\sqrt{50}\\a=\sqrt{25*2}\\a=\sqrt{5^2 * 2}\\a=5\sqrt{2}\ ft$

Now,

$P = 4a\\P = 4 * 5\sqrt{2}\\=20\sqrt{2}\ ft$

Hence,

The perimeter of the square is: $20\sqrt2$ ft

Keywords: Perimeter, Pythagoras Theorem

Learn more about Square at:

#learnwithBrainly

5 0

4 years ago

Help pls and thank you

sergij07 [2.7K]

Answer:

1. Noah should draw a line from the left end of the 4 cm line up till it hits the angled line.

2. Noah could flip the triangle

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

This composite figure is made up of three simpler shapes. What is the area of this figure?

boyakko [2]

Im pretty sure the answer is 116 square cm

6 0

3 years ago

Read 2 more answers

HELP ASAP!!!!! 25 POINTS!!!!!!!! AND WILL GVE BRAINLIEST!!!!!!!!!

Volgvan

• Im sorry but we doesnt know the x number :( but dont worry to plot the diagram:

- substitute the number x (given) into the equation f(x)

- example: f(x) = x + 9 / x - 3

- then x given is 4

- therefore, f(x) = (4) + 9 / (4) - 3

- f(x) = 13 / 1 or 13

- then you plot at 13 on the graph :)

hope this helps ;/

7 0

3 years ago