3 years ago

Math is not my favorite subject

Mathematics

2 answers:

galben [10]3 years ago

7 0

Answer:

Same brooo

Step-by-step explanation:

Vaselesa [24]3 years ago

7 0

Sameeeeeeeeeeeeeeeeeeeeeeeeeeee

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$1400 deposit that earns 10% annual interest compounded semiannually

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Answer:Does this helpf(t) = 1400(1 + (0.1)/2))2t

Step-by-step explanation:

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3 years ago

Q=P(R+R) (SOLVE FOR P)

forsale [732]

Isolate the variable by dividing each side by factors that don't contain the variable. p=q/2r

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3 years ago

If<br> DX/DT= 2cm/s <br> x=-1 <br> y=x^2+1<br> DY/DT=??

kobusy [5.1K]

Answer:

$\frac{dy}{dt}$ = - 4 cm/s

Step-by-step explanation:

Let us revise the chain rule

If $\frac{dy}{dt}$ = a and $\frac{dx}{dt}$ = b, then

$\frac{dy}{dx}$ = $\frac{dy}{dt}$ ÷ $\frac{dx}{dt}$ = $\frac{a}{b}$

∵ y = x² + 1

- Use the differentiation to find $\frac{dy}{dx}$

∴ $\frac{dy}{dx}$ = 2x

∵ x = -1

- Substitute x by -1 in $\frac{dy}{dx}$

∴ $\frac{dy}{dx}$ = 2(-1)

∴ $\frac{dy}{dx}$ = -2

∵ $\frac{dy}{dt}$ = $\frac{dy}{dx}$ × $\frac{dx}{dt}$

∵ $\frac{dx}{dt}$ = 2 cm/s

∴ $\frac{dy}{dt}$ = (-2) × (2)

∴ $\frac{dy}{dt}$ = - 4 cm/s

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3 years ago

Help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

igomit [66]

Answer:

Step-by-step explanation:

A=0.5bh

A=0.5*8*7

A= 28

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3 years ago

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Explain why the value of the sin ratio for an acute angle of a right triangle must always be positive value less than 1

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Because the ratio always have to be greater than 1

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3 years ago