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Lina20 [59]
2 years ago
9

(5r^2 - 4) - (8r^2 + 7r+8)

Mathematics
1 answer:
Svetradugi [14.3K]2 years ago
5 0

Answer:

-3r^2-7r-12

Step-by-step explanation:

Your welcome

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6 O
Elenna [48]

Answer:

2x -6

Step-by-step explanation:

2x is slope

-6 is y intercept

The function passes though -6

a slope of 2 means the function goes up 2 and over 1 unit for every 1 x unit

3 0
2 years ago
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What is the solution to the system of equations graphed below?
umka2103 [35]

Answer:

a

Step-by-step explanation:

the two lines intercept at 1,-2

6 0
2 years ago
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I cut a long piece of wood into 50cm pieces. I manage to cut
ehidna [41]

Answer:

WoodLength = 50w + 20

Step-by-step explanation:

Given

Length of Pieces = 50cm

Number of Pieces = w

Left over = 20cm

Required

Determine the length of the wood

Start by multiplying the number of pieces by the length of each pieces

Result = Length * Number

Result = 50 * w

Result = 50 w

Lastly, add the leftover to get the actual length of the wood

Wood Length = Result + Leftover

Substitute 50w for Result and 20 for Leftover

WoodLength = 50w + 20

<em>Hence, the length of the wood is 50w + 20</em>

5 0
3 years ago
PLEASE HELP!!!
MakcuM [25]

Answer:

B

Step-by-step explanation:

x + y =6

x - y = 4

A. 3+3=6, but 3-3 doesn't equal 4

B. 5+1=6 and 5-1 equals 4

C. 6+0 equals 6 but 6-0 doesn't equal 4

D. 2+4 equals 6 but 2-4 doesn't equal 4

4 0
2 years ago
A satellite flies 55584 miles in <br> 7.72 hours. How many miles has it flown in 23.19 hours?
dedylja [7]

Answer:

Miles flown in 23.19 hours = 166968 miles

Step-by-step explanation:

Given that:

A satellite flies 55584 miles in 7.72 hours

We will find the unit rate first,

Unit rate = \frac{55584}{7.72}

Unit rate = 7200 miles per hour

Miles flown in 23.19 hours,

Miles flown = 7200 * 23.19

Miles flown = 166968 miles

Hence,

Miles flown in 23.19 hours = 166968 miles

5 0
3 years ago
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