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Vladimir [108]
3 years ago
5

Marie is buying an ice-cream sundae. There are 3 sizes of sundaes, 15 different ice-cream flavors, and 5 different toppings. How

many ways can Marie choose a sundae? A. 23 B. 50 C. 75 D. 225
Mathematics
1 answer:
tia_tia [17]3 years ago
6 0
The correct answer is A (:
I hope I helped
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5. Use any method to solve the equation. If necessary, round to the nearest hundredth.
DanielleElmas [232]

Answer:

2.45, -2.45

Step-by-step explanation:

Since the equation has only one term in the unknown "x", we can solve for it isolating "x" on one side of the equal sign:

8x^2-48=0\\8x^2=48\\x^2=\frac{48}{8} \\x^2=6\\x=+/-\sqrt{6} \\x=+/- 2.449

Which we can round to: x = - 2.45 and x = 2.45

7 0
3 years ago
i will give 1534!!!!A CFL factory uses 24325.208 L of water in 4 hours. How much water does the factory use in 3 hours?
Alla [95]

Answer:

18243.906

Step-by-step explanation:

24325.208 / 4= 6081.302

meaning 1 hour is 6081.302

so 3 hours is 6081.302*3= 18243.906

8 0
2 years ago
B -2(b - 2) simplified
BlackZzzverrR [31]

Answer:

b -2(b - 2)

b-2b+4

-b+4

4-b

5 0
2 years ago
If the endpoints of the diameter of a circle are (8, −6) and (4, −2), what is the standard form equation of the circle?
Gennadij [26K]
We do the midpoint formula to find the center of the circle to get the left side of the equation.

Midpoint = [(X₁ + X₂) / 2 , (Y₁ + Y₂) / 2] 

Now plug in:

[(8 + 4) / 2 , (- 6 - 2) / 2]
(12 / 2 , - 8 / 2)
(6, - 4)

The center of the circle is (6, -4)

Now we plug it into the equation of a circle:

(x - h)² + (y - k)² = r² where (h, k) is the center of the circle and r is the radius. 

(x - 6)² + (y + 4)² = r² is the left side of the equation. This will eliminate options A and C

Now we do the distance formula using the center and an endpoint to get the radius. The formula for distance is:

√((X₂ - X₁)² + (Y₂ - Y₁)²)

We plug in using either of the endpoints. 

√((4 - 6)² + (- 2 - (- 4))²)
√((-2)² + 2²)
√(4 + 4)
√8

√8 is your radius

(√8)² = 8

Your correct answer is (x - 6)² + (y + 4)² = 8, Option D
3 0
3 years ago
Madison is cleaning the window in her room so she can see the stars at night. The window has 4 equal-size panes. What fraction r
sergiy2304 [10]
Answer: 1/4 should be the correct answer.
5 0
2 years ago
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