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GenaCL600 [577]
2 years ago
9

Please help solve -5<14-4x≤3

Mathematics
1 answer:
Anna35 [415]2 years ago
4 0

Answer:

Interval notation (-5,3]

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There is a mid ocean ridge between South America and Africa causing the two continents to drift away from each other. South Amer
Oksanka [162]

Answer:

2.5 cm/year

Step-by-step explanation:

Just divide the total distance, 250 cm, by the years, 100, 250/100 = 2.5, the rate of the contintents drifting away is 2.5 cm per year, 2.5 cm/year

5 0
3 years ago
Sydney placed 10 guppies in a fish tank she recorded the number of guppies in the tank
pav-90 [236]

Answer:

g(n) = 10 * 3^{n}

Step-by-step explanation:

Given

See attachment for table

Required

Determine the explicit formula for the table

First, we need to check if the guppies increases at arithmetic progression or geometry progression.

For arithmetic progression:

We calculate the common difference (d)

d = g(n) - g(n-1)

Take n as 1

d = g(1) - g(1-1)

d = g(1) - g(0)

From the table:

g(1) = 30\ \&\ g(0) = 10

d = 30 - 10

d = 20

Take n as 2

d = g(2) - g(1)

From the table:

g(1) = 30\ \&\ g(2) = 90

d = 90 - 30

d = 60

The two differences are not equal. So, this

For geometry progression:

We calculate the common ratio (r)

r = \frac{g(n)}{g(n-1)}

Take n as 1

r = \frac{g(1)}{g(1-1)}

r = \frac{g(1)}{g(0)}

From the table:

g(1) = 30\ \&\ g(0) = 10

r = \frac{30}{10}

r = 3

Take n as 2

r = \frac{g(2)}{g(1)}

From the table:

g(1) = 30\ \&\ g(2) = 90

r = \frac{90}{30}

r = 3

The two ratios are equal.

So, the next step is to calculate the explicit formula using n term of a geometric progression.

Because the progression starts from 0, we make use of the following formula

g(n) = g(0) * r^{n}

Substitute values for g(0) and r

g(n) = 10 * 3^{n}

Hence:

The explicit formula is: g(n) = 10 * 3^{n}

7 0
2 years ago
–5y– 6 – 7x = 0<br> 9y=-14x – 8<br><br> Solve by elimination
Stella [2.4K]

Answer:

x is 2 and y is -4

5 0
3 years ago
Ellie has $53.39 automatically deducted from her bank account each month for her gym membership. What is the overall change in h
Ber [7]

Answer:

$320.34

Step-by-step explanation:

$53.39x6=$320.34.

<u><em>Could I please have BRAINLIEST.</em></u>

6 0
3 years ago
A landscaper builds a regular hexagonal patio in a circular garden. The area not covered by the patio will be covered in grass.
Taya2010 [7]

The area that's covered by the grass will be 7.065m²

The area of a circle is found by using the formula: = πr²

where, r = radius = 1.5m

π = 3.14

Therefore, to solve the question, we'll slot the value of the radius into the formula and this will be:

Area = πr².

Area = 3.14 × 1.5²

Area = 3.14 × 1.5 × 1.5

Area = 7.065m²

In conclusion, the area is 7.065m²

Read related link on:

brainly.com/question/24705421

7 0
3 years ago
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