2 years ago

Property of addition and multiplication that deals with order. HELP

1 answer:

8 0

Commutative Property?? I’m not sure if this is what you’re looking for, but this is the property that says that changing the order does not change the results.

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Książka w raz z płyta kosztuje 37zl. Płyta jest o 5zl droższa od książki. Ile kosztuje ksiazka a ile płyta

Radda [10]

Answer:

can't understand

Step-by-step explanation:

pls try your best

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2 years ago

The 4th and 8th term of a G.P. are 24 and 8/27 respectively. find the 1st term and common ratio

beks73 [17]

Answer:

see explanation

Step-by-step explanation:

The n th term of a geometric progression is

• $a_{n}$ = a₁ $r^{n-1}$

where a₁ is the first term and r the common ratio

given a₄ = 24, then

a₁ $r^{3}$ = 24 → (1)

Given a₈ = $\frac{8}{27}$ , then

a₁ $r^{7}$ = $\frac{8}{27}$ → (2)

Divide (2) by (1)

$r^{4}$ = $\frac{\frac{8}{27} }{24}$ = $\frac{1}{81}$

Hence r = $\sqrt[4]{\frac{1}{81} }$ = $\frac{1}{3}$

Substitute this value into (1)

a₁ × ( $\frac{1}{3}$ )³ = 24

a₁ × $\frac{1}{27}$ = 24, hence

a₁ = 24 × 27 = 648

4 0

3 years ago

Can someone correct me I don't know if I got it right

Angelina_Jolie [31]

Answer:

yup

Step-by-step explanation:

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2 years ago

How would you write this equation in terms of sin and cos as well as simplify it from there?

ziro4ka [17]

Try this option:
$(1+ \frac{cosx}{sinx})(1- \frac{cosx}{sinx})- \frac{1}{sin^2x}= \frac{sin^2x-cos^2x}{sin^2x}- \frac{1}{sin^2x}=$
$= \frac{sin^2x-cos^2x-sin^2x-cos^2x}{sin^2x}=- \frac{2cos^2x}{sin^2x}.$
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2 years ago

Michael’s grandmother made two pies for Thanksgiving, a sweet potato pie and a chocolate pie. Each pie had 8 slices. All of the

Kisachek [45]

Think it's B or A if they want it simplified.

4 0

2 years ago