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yarga [219]
3 years ago
15

A fish tank

Mathematics
2 answers:
DIA [1.3K]3 years ago
8 0
30 cubic feet Because 5x2x3=30
ddd [48]3 years ago
4 0

Answer:

The answer is 30cbu

Step-by-step explanation:

This is because you would take 5x2x3, that being said 5x2=10 and 10x3=30 which is how you get the answer. LxWxH is how you get the volue of the prisim.

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Answer this question with the image provided
Goshia [24]

Answer:

the z score is 25

Step-by-step explanation:

since 75 needs 25 more for and 100%

4 0
3 years ago
Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credi
adoni [48]

Answer:

r = 4

The center is:

(2, -4)

Step-by-step explanation:

We have the following equation

x^2 - 4x + y^2 + 8y = -4

The general equation of a circle has the following form

(x-h)^2 + (y-k)^2 = r^2

Where r is the radius and the point (h, k) is the center of the circle

To transform the given equation in the general equation of a circumference we must use the method of square completions

Step 1

(x^2 - 4x) + (y^2 + 8y) = -4

<u>Step 2</u>

<u> </u>Add and subtract (\frac{b}{2})^2 For an equation of the form

ax^2 +bx +c

(x^2 - 4x +4)-4 + (y^2 + 8y +16) -16= -4

<u>Step 3  </u> Factor the expressions within the parentheses

(x-2)^2-4 + (y+4)^2 -16= -4

<u>Step 4 Simplify</u>

(x-2)^2 + (y+4)^2= -4+16+4

(x-2)^2 + (y+4)^2= 4^2

Finally

r = 4

The center is:

(2, -4)

7 0
3 years ago
Help asap-------------------------
r-ruslan [8.4K]
C . Good luck. Khggnkhhjjjjjooiooip
3 0
3 years ago
Read 2 more answers
A recipe that makes 16 cookies calls for 1/4
makkiz [27]
16 cookies : 1/4 cup of sugar : 2/3 cup of flour

Multiply each part by 4 to find how much flour and how many cookies would be used in the same recipe with 1 cup of sugar.

64 cookies : 1 cup of sugar : 8/3 or 2 2/3 cup of flour
3 0
3 years ago
Show all work to factor x4 − 10x2 + 9 completely.
leva [86]

Answer:

(x+1)(x-1)(x+3)(x-3)

Step-by-step explanation:

x4-10x^2+9

Group expression so that the coefficients of the x^2 terms add up to +9.

= x^4 -9x^2   - x^2+9

match coefficients in both groups

= x^4 -9x^2   - (x^2-9)

factor each group

= x^2 (x^2-9) - 1(x^2-9)

now factor out the common factor (x^2-9)

= (x^2-1)(x^2-9)

Finally, factor each quadratic factor

= (x+1)(x-1)(x+3)(x-3)

6 0
3 years ago
Read 2 more answers
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