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marin [14]
2 years ago
11

Wayne and Sarah both leave Sacramento at noon exactly. Wayne is driving west at 40 mph, while Sarah is driving south at 70 mph.

Find the rate at which the distance between them is changing at 2pm. Show all your work, include units in your answer. You do not need to simplify!
Mathematics
1 answer:
bulgar [2K]2 years ago
4 0

Answer:

30units because we are dealing with speed

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garik1379 [7]

Range: 3.5, 1.5

Shape: Right angle

Domain: f(x)=x²

g(x)=1/x

3 0
2 years ago
Read 2 more answers
-6.25x + 262.5 = 250
ZanzabumX [31]

Answer:

X=2

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
I need to know how to do the answer and why that’s the anwer
Pavel [41]
Ok so the answer is
4 {x}^{2}

so we multiply numbers that have the same variable

2 {x}^{3} \: \: \times {2x}^{ - 1} \\ \\
multiply 2 x 2

2 \times 2 = 4
then multiply the exponents

x ^{3} \times x ^{ - 1}
multipling like this will look like addition.
{x}^{3} \times {x}^{ - 1} = {x}^{2}
so in other words you could do it like this too
{x}^{3} + {x}^{ - 1} = {x}^{2}
now add the exponent with 4
4 + {x}^{2} = 4x ^{2}

now for the last part
{y}^{3} + {y}^{ - 3} = 0
because -3 and 3 added together make 0
0 + 4 {x}^{2} = 4 {x}^{2}
I hope this help(it looks complicated but it's very easy and I hope I helped you out)
6 0
3 years ago
a rectangle is 14 centimeters long if the width of the rectangle is half of the length calculate the area of the rectangle​
Varvara68 [4.7K]

Answer:

98 cm²

Step-by-step explanation:

area of rectangle = length * width

length = 14 cm, width = 14/2 = 7 cm

area = 14 * 7 = 98 cm²

7 0
2 years ago
Use Long Division to find the answer. Please show all steps!
ValentinkaMS [17]

Answer:

The answer to your question is 2x² + 3x +  Remainder (17x - 7)/ ( 2x⁴  +  3x³  - 4x²  + 5x - 7)

Step-by-step explanation:

                             2x² + 3x

             x² - 4     2x⁴  +  3x³  - 4x²  + 5x - 7

                          -2x⁴              + 4x²

                            0      + 3x³   + 0    + 5x

                                     - 3x³             +12x

                                        0                +17x - 7

Quotient = 2x² + 3x

Remainder = 17x - 7

Solution  = 2x² + 3x + (17x - 7)/ ( 2x⁴  +  3x³  - 4x²  + 5x - 7)

Process

1.- Divide the first term of the divident by the first term of the divisor and place the result above the first term of the divident.

2.- Multiply the result of the division (2x²) by the first term of the divisor and change the sign of the result.

3.- Multiply the result (2x²) by the second term of the divisor and place the result below the like term.

4.- Add the results.

5.- Continue with this process until the remainder be lower than the divisor.

5 0
3 years ago
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