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topjm [15]
2 years ago
9

Choose the correct simplification of the expression 3b/a-2

Mathematics
2 answers:
Goshia [24]2 years ago
4 0
To solving with their equation and expression to step by step.

3b/a-2

= -2a+3b/a


seropon [69]2 years ago
3 0

Answer:

3a^2b

Step-by-step explanation: I got it right on the test. :)

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The circumference of a circle is 15 pie centimeters. What is the area of the circle in terms of pie
Jobisdone [24]

Answer:

C

Step-by-step explanation:

The circumference (C) of a circle = 2πr ← r is the radius

Given C = 15π the equating gives

2πr = 15π ( divide both sides by 2π )

r = \frac{15}{2} = 7.5 cm

The area (A) of a circle is calculated using the formula

A = πr² = π × 7.5² = 56.25π cm² → C

5 0
3 years ago
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What are the answers to a, b, c, d?
Nezavi [6.7K]

Answer:

Step-by-step explanation:

8 0
3 years ago
Problem 1:
pishuonlain [190]

Answer:

A = 2

D = 1

B = 4

C = 3

Step-by-step explanation:

Height of water in bathtub is a function of water in bathtub.

P(t) = w ; t = time ; w = height of water.

A: P (0)=0 ; At time, t = 0 ; height of water = 0, there is no water on bathtub

2: The bathtub starts out with no water.

D: P (20) = 0 ; At time, t = 20 ; w = 0 ;the tub is empty.

1: After 20 minutes, the bathtub is empty.

B:P (4)= 10 `; At t = 4, w = 10 ; height of water in bath tub is 10

4: The height of the water is 10 inches after 4 minutes

C:P (10) = 4 ; At t = 10, w =4, height of water in bathtub = 4 inches

3: After 10 minutes, the height of the water is 4 inches.

.

5 0
3 years ago
What is the area of this triangle?
Naddika [18.5K]

Answer:

Area of the given triangle = 6.51 ft²

Step-by-step explanation:

If we redraw the triangle as shown in the figure attached we get the height of the triangle as x feet and base = 4.3 feet

Therefore area of ΔABC = (1/2) × Height (AD) × Base(BC)

From ΔABD

sin 53 = AD/AB = x/3.8

x = 3.8 × sin 53

= 3.8 × 0.7986 = 3.03 feet

Now area of ΔABC = (1/2)×3.03×4.3 = 6.51 feet²

5 0
3 years ago
Is 60/55 and 7/42 proportional
V125BC [204]
The answer is no.

Explanation:

60/55=1.090
7/42=.166

Therefore,

60/55≠7/42
7 0
2 years ago
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