4 years ago

Solve for x. X^2 -2x- 24=0

Mathematics

1 answer:

OLEGan [10]4 years ago

4 0

Answer: B. -4,6

B is correct.

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What the power a when 5^a = 1/125

Advocard [28]

Answer:

a = -3

General Formulas and Concepts:

Algebra I

Solving Exponential Equations

Exponential Property [Rewrite]: $\displaystyle b^{-m} = \frac{1}{b^m}$

Step-by-step explanation:

Step 1: Define

Identify

$\displaystyle 5^a = \frac{1}{125}$

Step 2: Solve for a

Rewrite: $\displaystyle 5^a = \frac{1}{5^3}$
Rewrite [Exponential Property - Rewrite]: $\displaystyle 5^a = 5^{-3}$
Set: $\displaystyle a = -3$

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2 years ago

Find the area of the figure shown Area = ------- square yards

torisob [31]

Answer:

Step-by-step explanation:

area = l×w×h

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3 years ago

Anyone can help me out on this? :)

Charra [1.4K]

Answer:

the answer is c, science CANNOT answer all questions

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4 years ago

I am not sure how sigma notation works, can somebody explain how to solve this? It isn't the second choice.

Masja [62]

Answer:

first answer is correct

Step-by-step explanation:

Hello, we want to write 2 + 4 + 6 + ... + 20

for n = 1, 2n = 2*1 =2

for n = 2, 2n = 2*2=4

for n = 3, 2n=2*3=6

etc

$\displaystyle \sum_{n=1}^{10} {2n} = 2*1 + 2*2 +2*3+2*4+...+2*10=2+4+6+8+...+20$

thanks

6 0

3 years ago

Mary bought these art supplies: 5 paint brushes for $1.29 each, 10 dowel rods for $1.49 each, 2 jars of paste for $1.25 each, an

Rainbow [258]

The answer is D.$12.15

5(1.29)+10(1.49)+2(1.25)+4(6.00) =$47.85
$60-$47.85 = $12.15

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3 years ago

Read 2 more answers