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2 years ago

What expression is equivalent to -14.8-4b-(17.1-3b)

Mathematics

2 answers:

Mekhanik [1.2K]2 years ago

8 0

Yes it’s B. -2.3 + b ❤️

Zigmanuir [339]2 years ago

7 0

Answer is B:2.3-b
Combine like terms

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(A) simplify 3x^-2 (B) simplify 5x^2y(2x^4y^-3)

Zielflug [23.3K]

<h3>I’ll teach you solve 3x^-2 and 5x^2y(2x^4y^-3)</h3>

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(A)

3x^-2

Apply exponent rule:

3*1/x^2

Multiply fractions:

1*3/x^2

Multiply the numbers:

1*3= 3

3/x^2

Your Answer Is $\frac{3}{x^{2} }$

(B)

5x^2y(2x^4 y^-3)

Apply exponent rule:

5y*2x^2+4 y^-3

Add the numbers:

2+4= 6

5y*2x^6 y^-3

Apply exponent rule:

5*2x^6 y^1-3

Subtract the numbers:

1-3= -2

5*2x^6 y^-2

Apply exponent rule:

5*2* 1/y^2 x^6

Multiply fractions:

1*5*2x^6/y^2

Multiply the numbers:

1*5*2= 10

10x^6/y^2

Your Answer Is $\frac{10x^{6} }{y^{2} }$

Plz mark me as brainliest if this helped :)

5 0

2 years ago

Read 2 more answers

PLEASE HELP THIS IS DUE TODAY

Nezavi [6.7K]

She’s in Quadrant 3 at
(-7, -3)

8 0

2 years ago

pls show steps and formula

Sonbull [250]

Step-by-step explanation:

the correct formula for this is the heron's formula

which states that s=√s(s-a)(s-b)(s-c). Where s is a+b+c all divided by 2

s=√(13.5-12)(13.5-9)(13.5-6)

s=√(1.5)(4.5)(7.5)

s=√50.625

s= 7.11 or 7 to the nearest square unit

8 0

2 years ago

A painter is using a 8-foot ladder to paint a house. The painter places the ladder 6 feet from the house. How high up the wall d

9966 [12]

Step-by-step explanation:

step 1. This is a right triangle where a^2 + b^2 = c^2 (c is the hypotenuse).

step 2. a^2 + 6^2 = 8^2.

step 3. a^2 = 64 - 36.

step 4. a^2 = 28.

step 5. a (the ladder height along the wall) = sqrt (28) where sqrt is the square root.

step 6. sqrt(28) = 2(sqrt(7)).

5 0

2 years ago

What is the distance between the point (1,4) and (3,7)

borishaifa [10]

Answer:

POINTS

Step-by-step explanation:

7 0

2 years ago