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antiseptic1488 [7]
3 years ago
10

Plz find all question

Mathematics
1 answer:
n200080 [17]3 years ago
8 0

Answered in my other reply :)

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Evaluate the function rule for the given value. f(x)=3^x for x=-5
FromTheMoon [43]

Answer:

\frac{1}{243}

Step-by-step explanation:

using the rule of exponents

a^{-m} ⇔ \frac{1}{a^{m} }

f(- 5) = 3^{-5} = \frac{1}{3^{5} } = \frac{1}{243}


6 0
3 years ago
A computer store has certain software on sale at 3 for $20.00, with a limit of 3 at the sale price. Additional
alexgriva [62]

Answer:

a) y = 9.95(x-3) + 20.00

b) Cost of 5 software packages = $39.90

Step-by-step explanation:

Given that:

Cost of 3 software at sale = $20

Cost of regular = $9.95

Let,

x be the number of software purchased.

We will subtract 3 from x because they cost $20.

y be the total cost.

y = 9.95(x-3)+ 20.00

Putting x=5 in expression

y = 9.95(5-3) + 20.00

y = 2(9.95) + 20.00

y = 19.90 + 20.00

y = $39.90

Hence,

a) y = 9.95(x-3) + 20.00

b) Cost of 5 software packages = $39.90

7 0
3 years ago
13x = 15x - 8 <br><br> What is the value of X?
maw [93]

Answer:x equals 4

Step-by-step explanation:

8 0
3 years ago
I WILL GIVE BRAINLY! The surface of a table to be built will be in the shape shown below. The distance from the center of the sh
ki77a [65]

Answer:

  • draw lines center to vertex
  • 43.5 square inches
  • 261 square inches

Step-by-step explanation:

<u>Part A</u>:

The area can be decomposed into triangles by drawing a line from the center to each vertex of the hexagon.

__

<u>Part B</u>:

The area of each triangle is given by the triangle area formula:

  A = (1/2)bh

  A = (1/2)(10 in)(8.7 in) = 43.5 in²

__

<u>Part C</u>:

The area of the table top is 6 times the area of one triangle:

  surface area = 6(43.5 in²) = 261 in²

3 0
3 years ago
Read 2 more answers
Math problem I need help please it will be great if you help btw don't take this question down its is a school question
Maksim231197 [3]
The first question’s answer is the last option. And the range is 104
7 0
3 years ago
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