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Anettt [7]
3 years ago
8

Select the statement that describes this expression: 5 x (3 + 4) − 4. (2 points)

Mathematics
1 answer:
wel3 years ago
8 0
The answer is c answer on Ed
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Stefanie swam four-fifths of a lap in the morning and seven-fifteenths of a lap in the evening. How much farther did Stefanie sw
ddd [48]
Stefanie swam 1/3 further in the morning.
4/5 - 7/15
12/15 - 7/15 = 5/15
5/15 = 1/3
4 0
3 years ago
The number of leaves that fall off a tree n days after day 1 is given by the function f (n) = 3(2)".
densk [106]

Answer:

A. On the first day, 3 leaves fall.

B. D. The number of leaves that fall on a given day is 2 times the number of leaves that fell on the previous day.

Step-by-step explanation:

Given

f(n) = 3(2)^n

Solving (a) The meaning of 3.

3 represents the initial number of leaves (i.e. the first day) and this proved as follows.

On the first day, n = 0.

Substitute 0 for n in f(n) = 3(2)^n

f(0) = 3(2)^0

f(0) = 3*1

f(0) = 3

Solving (b) The meaning of 2.

2 represents the rate which leaves fall down.

In (a)

f(0) = 3

Take n = 1

Substitute 1 for n in f(n) = 3(2)^n

f(1) = 3(2)^1

f(1) = 3*2

f(1) = 6

When f(1) is divided by f(0), the result 2. So, the number of leaves doubles everyday

4 0
3 years ago
Simplify these expressions:<br> 1) 8y + 5 - 10y - 2
yKpoI14uk [10]

Answer:

here I think

Step-by-step explanation:

8y + 5 - 10y - 2 = (8y-10y)+(5-2)=-2y+3

4 0
3 years ago
Express the ratio 48:44 in its simplest form
CaHeK987 [17]

Answer:

Step-by-step explanation:

48:44= 12:11

6 0
3 years ago
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katrin2010 [14]

AnsweI'm nauseous, I'm dyin'

(She ripped my heart right out)

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Lost it, riots

Gunfire inside my head, I've

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Gunfire inside my headr:

Step-by-step explanation:

8 0
3 years ago
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