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3 years ago

Find the value of |-4| - 5 · 2(-1 + 3).

Mathematics

2 answers:

vredina [299]3 years ago

6 0

Use PEMDAS

P Parentheses first

E Exponents (ie Powers and Square Roots, etc.)

MD Multiplication and Division (left-to-right)

AS Addition and Subtraction (left-to-right)

and |a| = a for a ≥ 0 or |a| = -a for a < 0.

|-4| - 5 · 2(-1 + 3) =-(-4) - 5 · 2(2) = 4 - 10(2) = 4 - 20 = -16

kirill [66]3 years ago

5 0

Answer:

sorry if im late but the answer is -16

Step-by-step explanation:

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Suppose xy=−4 and dy/dt=−3. Find dx/dt when x=−1.

user100 [1]

When x=-1: $\quad (-1)y=-4\qquad\to\qquad y=4\)$

Ok that gives us a little more information.
If we implicitly differentiate with respect to t, from the very start, then we can apply our product rule, ya?

$x'y+xy'=0$

The right side is zero, derivative of a constant is zero.
Where x' is dx/dt and y' is dy/dt.

From here, plug in all the stuff you know:
y' = -3
x = -1
y = 4

and solve for x'.

Hope that helps!

4 0

3 years ago

Riddle! I'm a factor of five I am between 10 and 20 what number am I? easy.

natka813 [3]

Answer:

15 is your number and is a factor of 5 between 10 and 10

6 0

2 years ago

(4x-8)-(-3x + 10) HELP

ArbitrLikvidat [17]

Answer:

7x-18

Step-by-step explanation:

brainlliest plz

7 0

3 years ago

Read 2 more answers

X^2/3=12

Elan Coil [88]

Answer:

this is easy. all you have to do is multiply the denominator (3) by the outside number (12) to get 36. this leaves the equation being x^2 = 36. now you just find the square route of 36 (which is 6).

Step-by-step explanation:

x^2/3 = 12

12 x 3 = 36

x^2 = 36

/36 = 6

x = 6

3 0

3 years ago

Leo decides to buy a car for $9600 with a 5-year finance plan that offers 0% financing for the first yearThe APR after that will

Marianna [84]

Answer:

The monthly payment of Leo for the car loan for next four years is $759.5

Step-by-step explanation:

Given as :

The loan of the car = $9600

The rate of interest for first year = 0%

The next 4 years, the rate of interest = 3.9% compounded monthly

The amount paid for first year = $150 per months

I.e The amount paid for first month = $150 × 12 = $1800

Let The amount for next fours years = $A

Now, According to question

∵ For the first year $1800 is paid

So, The rest amount of loan = $9600 - $1800 = $7800

From compound interest

Amount = principal × $(1+\dfrac{\textrm rate}{12\times 100})^{\textrm 12\times time}$

Or, $A = $7800 × $(1+\dfrac{\textrm 3.9}{12\times 100})^{\textrm 12\times 4}$

Or, A = $7800 × $(1.00325)^{48}$

Or, A = $7800 × 1.1685

∴ A = $9114.3

So, The amount paid after 4 years = A = $9114.3

Or,The amount paid after 4 years as per months = $\dfrac{9114.3}{12}$

Or,The amount paid after 4 years as per months = $759.5

Hence The monthly payment of Leo for the car loan for next four years is $759.5 Answer

3 0

3 years ago