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2 years ago

Part 2 5. -0.3 ÷ (-0.27) 6. -5.5 ÷ 0.021 7. -412 ÷ -334 8. 7.75 ÷ ( -123)

Mathematics

1 answer:

victus00 [196]2 years ago

3 0

Answer:

5. -10/9

6. -5500/21

7. 1 39/167

8. -31/492

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X³ by a³ + a³by x³=p x³by a³- a³by ³=q eliminate x

sasho [114]

Answer:

Step-by-step explanation:

$\frac{x^3}{a^3} +\frac{a^3}{x^3} =p\\\frac{x^3}{a^3} -\frac{a^3}{x^3} =q\\adding\\2\frac{x^3}{a^3} =p+q\\\frac{x^3}{a^3} =\frac{p+q}{2} \\substitute~in~first\\\frac{p+q}{2} +\frac{2}{p+q} =p\\\frac{(p+q)^2+4}{2(p+q)} =p\\(p+q)^2+4=2p(p+q)\\p^2+q^2+2pq+4-2p^2-2pq=0\\q^2-p^2+4=0\\q^2=p^2-4$

6 0

1 year ago

Can someone please help me ASAP

ElenaW [278]

Answer:

Step-by-step explanation:

3 0

2 years ago

Find each measurement indicated. Round your answers to the nearest tenth. Please show work. Part 1

timama [110]

9514 1404 393

Answer:

33.0 m
26.1 mi
28.0 mi
33.0 mi

Step-by-step explanation:

In each of these Law of Sines problems, you are given side a and angles B and C and asked for side c (problems 1, 3, 4) or side b (problem 2). The solution is basically the same for each:

Find the missing angle. Find the side from ...

c = a·sin(C)/sin(A)

1. angle A = 180°-89°-58° = 33°

c = (18 m)sin(89°)/sin(33°) ≈ 33.0 m

2. angle C = 180°-13°-17° = 150°

b = (58 mi)sin(13°)/sin(150°) ≈ 26.1 mi

3. angle A = 180°-61°-89° = 30°

c = (16 mi)sin(61°)/sin(30°) = 28.0 mi

4. angle A = 180°-39°-127° = 14°

c = (10 mi)sin(127°)/sin(14°) ≈ 33.0 mi

7 0

2 years ago

Which expression represents 5 less than y

svlad2 [7]

[ Answer ]

$\boxed{Y \ - \ 5}$

[ Explanation ]

Which Expression Represents "5 Less Than Y"

Less Than Sign: -

When You See "Less Than" That Means Subtraction

5 Less Than Y

What We Know:
Subtraction Is Used
Y Is Greater Than 5
We Need To Subtract 5 From Y

Subtract 5 From Y

Y - 5

$\boxed{[ \ Eclipsed \ ]}$

4 0

2 years ago

Y varies directly as cube root of

andreev551 [17]

Step-by-step explanation:

Y varies directly as cube root of x is written as

y = k³√x

where k is the constant of proportionality

when y = 3

x = 27

We have

$3 = k \sqrt[3]{27}$

But ³√27 = 3

That's

3 = 3k

Divide both sides by 3

k = 1

<h3>The value of the constant is 1</h3>

The value of the relationship is

When x = 8

We have

Hope this helps you

4 0

2 years ago