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hammer [34]
3 years ago
9

Which equation listed below, when solved, shows how to find the circumference of a circle if the diameter is 6 inches? Use 3.14

for pi
Mathematics
1 answer:
dangina [55]3 years ago
6 0

Answer:

C = π(6)

C = 6π

C = 18.84

Step-by-step explanation:

The circumference is the distance around the circle. It relates the number of times the diameter will encircle the circumference as 3.14 or π. As a result, the formulas for the circumference of a circle are C = 2πr or C = πd. The information given is the diameter so use C = πd by substituting d = 6.

C = π(6)

C = 6π

C = 18.84

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A parallelogram has a base of 4.5 cm and an area of 9.495 cm². Tania wrote the equation 4.5x = 9.495 to represent this situation
Artist 52 [7]

Answer:

The height of the parallelogram is 2.11 cm.

Step-by-step explanation:

Area of the parallelogram is equal to multiplication of base and height.

Given:

Parallelogram has base of 4.5 cm.

Are of the parallelogram is 9.495 cm².

Equation is 4.5x=9.495

Calculation:

(a)

Are of the parallelogram is the product of base length and height of the parallelogram.

Area of the parallelogram is expressed as follow:

A=lh          

Substitute 9.495 cm² for A and 4.5 cm for l in above equation as follows:

9.495=4.5h             …… (1)

Now relate the equation (1) and given equation. So, here x is nothing but the height of the parallelogram.

(b)

From equation (1), height of the parallelogram is calculated as follows:

9.495=4.5h

h=\frac{9.495}{4.5}

h=2.11 cm

Thus, the height of the parallelogram is 2.11 cm.

5 0
3 years ago
-2(t + 4 2/3) = 9 1/2
kiruha [24]
So you times the -2 with the bits inside the bracket so:
-2 x t= -2t
-2 x 4 2/3 = -9 1/3
So then that makes:
-2t - 9 1/3= 9 1/2
So to get what t equals you have to get it by itself so you add the -9 1/3 to both sides of the equation to get:
-2t=18 5/6
So then you divide by -2 on both sides to get
t=-9 5/12
Which is the answer. :-D
4 0
3 years ago
The freezing point of neon is about -249c . The freezing point of chorine is about 148c higher. What is the approximate freezing
Westkost [7]

Answer:

-101 c.

Step-by-step explanation:

-249 + 148

= -(249 - 148)

= -101 C.

5 0
3 years ago
HELP ME PLEASE PLEASE
Andrews [41]

Answer:

The answer is A.

Step-by-step explanation:

In order to see if a coordinate is a solution to any equation, you have to substitute the values of x and y into the equation :

- 3x + 2y =  - 21

let \: x = 5 \\ let \: y =  - 3

- 3(5) + 2( - 3) =  - 15 - 6 =  - 21

AND

- x - y =  - 2

let \: x = 5 \\ let \: y =  - 3

- 5 - ( - 3) =  - 5 + 3 =  - 2

4 0
4 years ago
X^2-7x+10 I need help can y'all help me plz it algebra 2 work​
Nesterboy [21]

Answer:

(x-2)x(x-5)

Step-by-step explanation:

5 0
3 years ago
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