4 years ago

What is the equation with the difference of 54.57

Mathematics

1 answer:

rusak2 [61]4 years ago

3 0

Is this the whole question?

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The gradient of the curve

AleksAgata [21]

Answer:

Coordinate of P is (-2, -3)

Step-by-step explanation:

Gradient is the derivative of the curve:

$y = {3x}^{2} + 11x + 7 \\ \\ \frac{dy}{dx} = 6x + 11$

but dy/dx is -1 :

$6x + 11 = - 1 \\ 6x = - 12 \\ x = - 2$

substitute for x :

$y = 3( - 2) {}^{2} + 11( - 2) + 7 \\ y = - 3$

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3 years ago

What is the volume of the rectangular prism? 1/3ft

IrinaVladis [17]

We know that 1 cube equals 1/3. If you count the rectangular prism, you learn that there are 30 cubes in total that make up the rectangular prism. So what I did was 1/3 times 30. You could also divided 1 by 3, and get 0.3333333333, which is equal to 1/3 (1/3 = 0.3333333333) So, you should come out with ten. Thus your answer would be D, 10ft cubed.

Hope this helps :)

7 0

3 years ago

Which expression uses the associative property to make it easier to evaluate 14(1/7x2/5)?

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

Associative property:

(a+b)+c=a+(b+c)

(a*b)*c=a*(b*c)

7 0

3 years ago

Which is the product in the expression 5(z+6)-25+x

rodikova [14]

I think this is right x+5z+5

5 0

3 years ago

Read 2 more answers

Bill wants to rent a car. Rental Company A charges $45 plus $1 per mile driven. Rental Company B charges $25 plus $2 per mile dr

kkurt [141]

Answer:

20 miles

Step-by-step explanation:

I set this up as a linear equation:

45 + x = 25 + 2x

1. subtract x from both sides

45 = 25 + x

2. subtract 25 from both sides to isolate the variable

20 = x

5 0

3 years ago