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Vinvika [58]
4 years ago
14

Solve the system by substitution. Y = 10x 7x + 3y = 37

Mathematics
1 answer:
Vaselesa [24]4 years ago
6 0

Answer:

x=1 , y=10

Step-by-step explanation:

i attached photo of steps of solution

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Write down the unit digit for each of the following square first 78 pawer 2<br>​
Vladimir79 [104]

Answer:

4

Step-by-step explanation:

Since 78² then 8² = 64 which indicates 4 is the unit digit

6 0
3 years ago
What is the measure of
snow_tiger [21]
3x=90 2x=50
And the last one is 40
7 0
3 years ago
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The length of a rectangular deck is five times it's width if the decks perimeter is 24 feet what is the decks area
miv72 [106K]

Answer:

20 square feet

Step-by-step explanation:

The length of a rectangular deck is five times it's width if the decks perimeter is 24 feet what is the decks area

Step 1

We find the Length and Width of the deck

Perimeter of a rectangle = 2L + 2W

The length of a rectangular deck is five times it's width

W = Width

L = Length = 5W

P = 24 feet

Perimeter = 2(5W) + 2W

24 = 10W + 2W

24 = 12 W

W = 24/12

W = 2 feet

Solving for L

L = 5W

L = 5 × 2 feet

L = 10 feet

Step 2

We find the area of the deck

Area of the deck(Rectangle) = Length × Width

= 10 feet × 2 feet

= 20 square feet

4 0
3 years ago
A soccer ball is kicked from ground level. The function y = -12x (x - 6) shows the height in feet) of the
enot [183]

Answer:

6 seconds

Step-by-step explanation:

Given

y = - 12x(x - 6)

When the ball hits the ground then height of ball is zero

let y = 0 , that is

- 12x(x - 6) = 0

Equate each factor to zero and solve for x

- 12x = 0 ⇒ x = 0 ← when ball is first kicked

x - 6 = 0 ⇒ x = 6 ← when the ball hits the ground.

The ball hits the ground after 6 seconds

8 0
3 years ago
The temperature startedat 10 degrees F. The temperature dropped 5
gavmur [86]

Answer:

-5FStep-by-step explanation:

10-5x3=-5 F

7 0
3 years ago
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