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Ulleksa [173]
4 years ago
6

She has cubic meters of silver which she needs to make into coins of thickness. if she uses all of the silver, what is the diame

ter in centimeters of each coin?
Mathematics
1 answer:
Helen [10]4 years ago
4 0
What how am i suppose to know that no picture no numbers, is it a guess. 
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PLEASE HELP ASAP I NEED EXPLANATION THERE'S AN EXAM SOON AND I NEED TO KNOW THIS BECAUSE IT ISN'T COMING ONLINE!!!! EXPLANATION
BartSMP [9]

Answer:

600cm2

Step-by-step explanation:

Area of sheet = Length × Breadth

                        = (30 × 20) cm2

                        = 600 cm2

5 0
3 years ago
2. Rewrite 326 in scientific notation.<br> O 32.6 x 101<br> O 3.26 x 102<br> O 0.326 x 103
notka56 [123]

Answer:

3.26 x 102

Step-by-step explanation:

10 squared is 100

3.26 x 100 = 326 because you move the decimal to the right 2 spots

3 0
3 years ago
Read 2 more answers
Find the axis of symmetry and vertex of the following y= -2x2-3x+2
Mnenie [13.5K]
Y= -2x²-3x+2, (form y = ax² +b .x + c

The parabola opens downward & hence it's Vertex is a MAXIMUM.

We know that the axis of symmetry is -b/2a ==>3/(-4) ==>
x= - 3/4 (axis of symmetry. At x=-3/4 , y = 25/8 = 3.125

Hence the axis of symmetry is x= - 3/4 & the vertex is at (-3/4, 25/8)
8 0
3 years ago
Suzanne deposited x dollars to her savings account. Her old balance was $348.50, and her new balance is $532.20. Find the deposi
IgorLugansk [536]

Answer:

$183.7

Step-by-step explanation:

To find the deposited amount you need to....

$532.20-$348.50=$183.70

4 0
2 years ago
Read 2 more answers
Use the functions a(x) = 3x + 10 and b(x) = 5x − 6 to complete the function operations listed below.
Romashka-Z-Leto [24]

Answer:

(a + b) = 8x +4

(a - b) = -2x +16

(a * b) = 15x^{2}+32x-60

Step-by-step explanation:

We have been given the functions;

a(x) = 3x + 10 and b(x) = 5x − 6

Part A:

(a + b) = a(x) + b(x) # we simply add the two given functions

(a + b) = 3x + 10 + 5x − 6

(a + b) = 8x + 4

Part B:

(a - b) = a(x) - b(x) # we simply subtract the two given functions

(a - b) = (3x + 10 ) - (5x − 6)

(a - b) = 3x + 10 -5x +6

(a - b) = -2x + 16

Part C:

(a * b) = a(x)*b(x)

# we simply find the product of the two given functions

(a * b) = (3x + 10)*(5x − 6)

(a * b) = 15x^{2}-18x+50x-60=15x^{2}+32x-60

8 0
3 years ago
Read 2 more answers
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