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Goryan [66]
4 years ago
5

Which story problem could be solved using the given equation?

Mathematics
1 answer:
Tanzania [10]4 years ago
4 0

Answer:

the city one, if the dog bowl is an option, then that one two

Step-by-step explanation:


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If the volume for 3-D pyramid A is 400 cm3 and the volume for 3-D pyramid B is 800 cm3, how many times bigger is the volume of p
Zarrin [17]
The answer for this question is (100% correct)

A. 2
8 0
3 years ago
Find the quotient.
lozanna [386]
To do this, divide each term in the parenthesis with 5b. When you divide exponents with the same base, just take their difference:

(5/5)ab^(1-1) - (10/5)b^(2-1) + (15/5)b^(1-1)c
ab^0 - 2b + 3b^0c
a - 2b +3c

I hope I was able to give a good explanation. Have a good day. 
6 0
3 years ago
Read 2 more answers
HELP !! ASAP !!
Sedaia [141]

Answer:

The roots are;

x = (2 + i)/5 or (2-i)/5

where the term i is the complex number representing the square root of -1

Step-by-step explanation:

Here, we want to use the completing the square method to solve the quadratic equation;

f(x) = -5x^2 + 4x -1

Set the function to zero

0 = -5x^2 + 4x - 1

So;

-5x^2 + 4x = 1

divide through by the coefficient of x which is -5

x^2 - 4/5x = -1/5

We now take half of the coefficient of x and square it

= -2/5^2 = 4/25

add it to both sides

x^2 - 4x/5 + 4/25= -1/5 + 4/25

(x- 2/5)^2 = -1/5 + 4/25

(x - 2/5)^2 = -1/25

Take the square root of both sides

x - 2/5 = √( -1/25

x - 2/5 = +i/5 or -i/5

x = 2/5 + i/5 or 2/5 - i/5

7 0
3 years ago
Circle A has a radius of 9.0 cm. The shortest distance between B and C on the circle is 8.5 cm. What is the approximate area of
love history [14]

Answer:

38.25 cm²

Step-by-step explanation:

We use the formula for the length of an arc to find the central angle of the sector of the circle.

Then we use the formula for the area of a sector of a circle to find the area.

Length of arc of circle of radius r:

s = \dfrac{n}{360^\circ}2 \pi r

s = arc length

n = measure of the central angle of the sector

s = \dfrac{n}{360^\circ}2 \pi r

8.5~cm = \dfrac{n}{360^\circ}2 \pi \times 9.0~cm

n = 54.1^\circ

Area of sector of circle of radius r:

A = \dfrac{n}{360^\circ} \pi r^2

A = area of sector of circle

n = measure of the central angle of the sector

A = \dfrac{54.1^\circ}{360^\circ} \pi (9.0~cm)^2

A= 38.25~cm^2

5 0
3 years ago
The mean checkout time in the express lane of a large grocery store is 2.7 minutes, and the standard deviation is 0.6 minutes. T
irakobra [83]

Answer:

Detailed solution is given below:

3 0
3 years ago
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