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3 years ago

Divide. Round to the nearest tenth. 8 divided by 6.403

Mathematics

2 answers:

Thepotemich [5.8K]3 years ago

6 0

Answer:

1.2

Step-by-step explanation:

(I am not a good explainer)

Rina8888 [55]3 years ago

4 0

1.250 I think I feel like that could be it

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Find the perimeter and area of the polygon shown below. The polygon is a trapezoid made up of a rectangle and a right triangle.

algol13

Since, the polygon is a trapezoid made up of a rectangle and a right triangle. Therefore, according to the question, the figure of the polygon is attached.

Since, perimeter is the total length of the outer boundary of the figure. Therefore,

Perimeter of the polygon is $=AB+BE+ED+DC+CA$

$=18+17+8+18+15$

$=76 \ ft$

Area of the polygon = Area of Rectangle + Area of Triangle

$=[(18) \times (15)] + [(\frac{1}{2}) \times (8) \times (15)]$

$=270 + [(\frac{8}{2}) \times (15)]$

$=270 + [4 \times (15)]$

$=270 + 60$

$=330 \ {ft}^{2}$

7 0

3 years ago

Read 2 more answers

Find the center and radius of the circle x^2+y^2-10x-12y+45=0.

BARSIC [14]

Answer:

The center is (5, -6) with a radius of r

Step-by-step explanation:

First put the equation in Standard Form for a circle:

(x + a)² + (y + b)² = r²

Now, Group the term

x² + y² - 10x - 12y + 45 = 0

x² - 10x + y² - 12y = - 45

Then, The x and y terms must be perfect squares

x² - 10x + 25 + y² - 12y + 36 = - 45 + 25 + 36

add constant both sides we get,

x² - 10x + 25 + y² - 12y + 36 = 16

Now, Simplify

(x - 5)² + (y + 6)² = 16

√(x - 5)² + (y + 6)² = √16

x - 5 + y + 6 = 4

Here, (a,b) = (5, -6) and r² = 16, with r = 4

Thus, The center is (5, -6) with a radius of r

-TheUnknownScientist 72

6 0

3 years ago

I attached the files

grandymaker [24]

Answer: why do you have so many files

Step-by-step explanation: plz tell me lol

3 0

3 years ago

Please help me it's due TOMORROW !!1!1!

Andreas93 [3]

The actual answer would be 1.88 per box, since 47/25= 1.88

I’m guessing the assistant misplaced a decimal, making it 18.80

Answer: Misplaced decimal
Actual Amount: 1.88

6 0

3 years ago

Read 2 more answers

juanita is watering her lawn using the water stored in her rainwater tank. the water level in the tank drops 1/3 inch every 10 m

Harrizon [31]

Fraction of tank drops in every 10 minutes = 1/3 inches.

We need to find the expected change in the tank's water level after 2.25 hours.

Let us convert 2.25 hours in minutes.

1 hours = 60 minutes.

2.25 hours = 2.25 × 60 = 135 minutes.

We need to divide 135 by 10.

We get 13.5.

Now, we need to multiply 1/3 by 13.5, we get.

13.5/3 = 4.5 inches.

<h3>So, tank would drop 4.5 inches after 2.25 hours.</h3>

8 0

4 years ago