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3 years ago

9

2 (x+5) = }(x - 4) ?

1 answer:

Nostrana [21]3 years ago

3 0

Answer:

X = -14

All you have to do is type in 2(x+5)=(x-4) in to a algebra calculator and you will get -14

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Tyrese wants to buy baseball cards. They cost $5.00 per pack. There is a 25% discount before tax if 10 or more packs are purchas

irga5000 [103]

Answer:

72.225 $

Step-by-step explanation:

The price per pack: 5.00 $

When the amount of packs is > 10 :

90 % * 5 $ = 4.50 $ before tax.

The price of 15 packs:

4.50 $ * 15 = 45 + 22.5 = 67.5 $ before tax.

After tax:

107 % * 67.5 $ = 72.225 $ after tax.

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3 years ago

The number expressed using exponents

Anna007 [38]

This expression<span> can be written in a shorter way </span>using <span>something called </span>exponents<span>. An </span>expression<span> that represents repeated multiplication of the same factor is called a power.</span>The number<span> 5 is called the base, and </span>the number<span> 2 is called the </span>exponent<span>. For example </span> $x^{2}$

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4 years ago

HELPP I WILL GIVE BRAINLEIST!! PLSSSSS PLSSSSSSS

musickatia [10]

Answer:

x = 3 && y = - 1

Step-by-step explanation:

Just solving the two equations

the first equation

y = 4/3 x +3

y - 4/3 x = 3 ..............................................(1)

the second equation

y = -2/3x -3

y + 2/3 x = -3 ..............................................(2)

by substracting 2 from 1

-4/3x - 2/3x = -6

divide by -1

4/3x +2/3x = 6

6/3x = 6

2x = 6

x= 3

then subsititute by value x in any of given eqautions

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3 years ago

Will give Brainliest What is the graph of the equation y=-1/4+2?

Alla [95]

Answer:

Step-by-step explanation:

Here's the graph

Does that help?

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3 years ago

Read 2 more answers

Given the function defined in the table below, find the average rate of change, in simplest form, of the function over the inter

Igoryamba

Answer:

$Average\ Rate = 48$

Step-by-step explanation:

Given

See attachment for table

Required

Determine the average rate of change over $5\le x \le 7$

Average rate of change is calculated using:

$Average\ Rate = \frac{f(b) - f(a)}{b - a}$

Where

$a \le x\le b$

In this case:

$a = 5;\ \ \ b = 7$

$Average\ Rate = \frac{f(b) - f(a)}{b - a}$

$Average\ Rate = \frac{f(7) - f(5)}{7 - 5}$

$Average\ Rate = \frac{f(7) - f(5)}{2}$

From the table:

$f(7) = 108$

$f(5) = 12$

The expression becomes

$Average\ Rate = \frac{108 - 12}{2}$

$Average\ Rate = \frac{96}{2}$

$Average\ Rate = 48$

5 0

3 years ago