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Black_prince [1.1K]
3 years ago
12

A rainwater collection tank contained 40 inches of water. After 4 days of rain, the level had risen to 52 inches. Let r represen

t the rate of rainfall each day. Determine the equation that represents this situation.
Mathematics
2 answers:
pickupchik [31]3 years ago
4 0

Answer:

B: 40 = 52 + 4r

Step-by-step explanation:

It's right I just did it.

alexgriva [62]3 years ago
3 0

Answer:

40 + r = 52 is the answer and the answer to y is 12

Step-by-step explanation:

Im Glad I could help!

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Can somebody explain PEMDAS (Order of Operations) to me?
s344n2d4d5 [400]

It's simple.

P - Parentheses

E - Exponents

D - Division

M - Multiplication

A - Addition

S - Subtraction

Whenever we have an expression or problem that involves these operations. We solve them according to the order given above.

6 0
3 years ago
70. Write the standard form of the equation of the line with
nasty-shy [4]

Answer:

y = -2x - 8

Step-by-step explanation:

<u>Use the point slope form:  (y - y1) = m(x - x1)</u>

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

y + 4 = -2(x + 2)

y + 4 - 4 = -2x - 4 - 4

y = -2x - 8

Answer:  y = -2x - 8

6 0
3 years ago
Read 2 more answers
HELPPPP MEEEEE PLEASEEEEEEE
julsineya [31]
Y=4-7x
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8 0
3 years ago
The newly elected president needs to decide the remaining 7 spots available in the cabinet he/she is appointing. If there are 13
Alexxx [7]

Answer: 8648640 ways

Step-by-step explanation:

Number of positions = 7

Number of eligible candidates = 13

This can be done by solving the question using the combination Formula for selection in which we use the combination formula to choose 7 candidates amomg the possible 13.

The combination Formula is denoted as:

nCr = n! / (n-r)! * r!

Where n = total number of possible options.

r = number of options to be selected.

Hence, selecting 7 candidates from 13 becomes:

13C7 = 13! / (13-7)! * 7!

13C7 = 1716.

Considering the order they can come in, they can come in 7! Orders. We multiply this order by the earlier answer we calculated. This give: 1716 * 7! = 8648640

8 0
3 years ago
35 + (45+ 25) = (35 +45) +25 which property is this
Dafna1 [17]

Answer:

Associative Property

Step-by-step explanation:

Commutative: 35+(45+25) = (25+45)+35

Associative: 35+(45+25) = (35+45)+25

Distributive: cannot be done

hope this helps!

8 0
3 years ago
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