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pantera1 [17]
3 years ago
8

If x=7and =-2, determine the value of 6x-4y

Mathematics
2 answers:
SVEN [57.7K]3 years ago
8 0

Answer:

the answer is 50

Step-by-step explanation:

first you plug in the x and y in the equation, making it 6(7)=-4(-2)           then, you multiply the numbers together, making the equation 42+8.                                                    finally, you add those numbers together, giving you the answer 50

slega [8]3 years ago
8 0
It's 50. Just multiply 6 times 7 and you get 42. Then you multiply 4 times -2 which is -8 . Then you subtract the products and you get 50. Your welcome.
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Suppose y = 2x + 1 , where x and y are functions of t. (a) if dx/dt = 3, find dy/dt when x = 4. dy dt = (b) if dy/dt = 2, find d
qwelly [4]

Answer:

Step-by-step explanation:

If y = 2x + 1, then dy/dt = 2(dx/dt).

If y = 2x + 1, then y = 2(40) + 1 when 40 is substituted for x.  y = 81.

(a) if dx/dt = 3, find dy/dt when x = 4:

       Replacing dx/dt with 3 in dy/dt = 2(dx/dt) yields dy/dt = 2(3) = 6.

(b) if dy/dt = 2, find dx/dt when x = 40:

        Replacing dy/dt with 2 in dy/dt = 2(dx/dt) results in 2 = 2(dx/dt), so dx/dt must be 1.

3 0
3 years ago
80 points!!!!
Dvinal [7]

Answer:

nty

Step-by-step explanation:

3 0
2 years ago
A business owner issues a paycheck in the amount of two thousand, three hundred fifty-seven dollars and forty-nine cents. What i
vivado [14]

The numerical value of the first check will be $2,357.

<h3>What is Algebra?</h3>

The analysis of mathematical representations is algebra, and the handling of those symbols is logic.

A business owner issues a paycheck in the amount of two thousand, three hundred fifty-seven dollars and forty-nine cents.

Then the numerical amount of this check will be

The numerical value of the check will be

Two thousand, three hundred fifty-seven dollars and forty-nine cents = $2,357.49

The numerical value of the first check will be $2,357.49.

More about the Algebra link is given below.

brainly.com/question/953809

#SPJ1

8 0
1 year ago
How would you do this?
Bess [88]
It would be 6.0x4 because the square is 6.0 on each side
6 0
3 years ago
Read 2 more answers
#11-16 please 15 points
Serjik [45]
11. Similar 1/2
12. Similar 2
13. no
14. no
15. No, they are not congruent because rectangles do not have equal sides, so the length of one triangle could be longer than the other and the width ozone can be shorter than the other.
16. Yes
3 0
3 years ago
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