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3 years ago

Please help.... the question is in the picture

Mathematics

1 answer:

serg [7]3 years ago

6 0

Answer:

The y intercept is 1

Step-by-step explanation:

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How long is the Yangtze river

Nastasia [14]

Answer:

3,915 mi

Step-by-step explanation:

8 0

3 years ago

A. The total area of the figure below is (blank) units B. The perimeter of the figure below is (blank) units (look at the pictur

lbvjy [14]

Answer:

p ≈ 17.6

a = 10.5

Step-by-step explanation:

AC = 3

BC = 7

use pythagorean theorem to find AB

AB² = 3² + 7²

AB² = 58

AB = 7.615773105863908

AB ≈ 7.6

-------------------------------

Perimeter

p ≈ 3 + 7 + 7.6

p ≈ 17.6

Area

a = (1/2)bh

a = (1/2)3 * 7

a = 10.5

3 0

3 years ago

Which shows the following expression using positive exponents?

Hitman42 [59]

Answer:

1. option B is correct i.e., $\frac{-3a^{7}b^3b^1}{15a^{2}}$

2. option D is correct i.e., $\frac{a^3b^4}{ab^2}$ .

3. option B is correct i.e., $\frac{n^{10}}{16m^{6}}$ .

Step-by-step explanation:

1. Since the given equation is:

$\frac{-3a^{-2}b^3}{15a^{-7}b^{-1}}$

As we know that $a^{-x}=\frac{1}{a^x}$

So, the given equation can be represented as:

$\frac{-3a^{7}b^3b^1}{15a^{2}}$

2. Given equation is:

$\frac{a^3b^{-2}}{ab^{-4}}$

As we know that $a^{-x}=\frac{1}{a^x}$

so the given equation can be represented as:

$\frac{a^3b^4}{ab^2}$ .

3. Given equation is:

$(\frac{4mn}{m^{-2}n^6})^{-2}$

by using the properties $a^{-x}=\frac{1}{a^x}$ ,

and $a^x\times a^y=a^{x+y}$

$(\frac{4mn}{m^{-2}n^6})^{-2}$

= $(\frac{4n^1n^{-6}}{m^{-2}m^{-1}})^{-2}$

= $(\frac{4n^{1+(-6)}}{m^{-2+(-1)}})^{-2}$

= $(\frac{4n^{-5}}{m^{-3}})^{-2}$

= $\frac{4^{-2}n^{-5\times (-2)}}{m^{-3\times (-2)}}$

= $\frac{n^{10}}{16m^{6}}$ .

which is option B.

5 0

3 years ago

Read 2 more answers

Pls check is there any mistake. If yes pls inform me

Fiesta28 [93]

On 1a I believe it’s 5
-1

When you go down or left it’s negative and up or right is positive

4 0

3 years ago

the premeter of the college basket ball court is 96m and the length is 14m more than the width what are the dimensions

pentagon [3]

is there a given chart?

3 0

3 years ago