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3 years ago

Help please thank you.

Mathematics

2 answers:

harina [27]3 years ago

8 0

Answer:

Step-by-step explanation:

Plug in the values for x, y, and z.

this makes the equation 5(8)+12/3

multiply 5x8 and get 40

divide 12/3 and get 4

add 40+4 to get 44

levacccp [35]3 years ago

4 0

Answer:

<h2>The answer is 44</h2>

Step-by-step explanation:

$5y + \frac{x}{z}$

From the question

x = 12 , y = 8 and z = 3

Substitute the values into the above expression

That's

$5(8) + \frac{12}{3}$

$\frac{12}{3} = 4$

So we have

$5(8) + 4 \\ 40 + 4$

We have the final answer as

Hope this helps you

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27^x −1 = 9^3x−7 what is X

tigry1 [53]

x is $\frac{11}{3}$

Step-by-step explanation:

Let us revise some rules of exponents

$(a^{n})(a^{n})=a^{m+n}$
$\frac{a^{m}}{a^{n}}=a^{m-n}$
$(a^{m})^{n}=a^{mn}$
$a^{m}=a^{n}$ , then m = n

∵ $27^{x-1}=9^{3x-7}$

- Factorize 27 and 9

∵ 27 = 3 × 3 × 3

∴ 27 = 3³

∵ 9 = 3 × 3

∴ 9 = 3²

Substitute them in the equation

∴ $(3^{3})^{x-1}=(3^{2})^{3x-7}$

- Use the third rule to simplify each side

∴ $(3)^{3x-3}=(3)^{6x-14}$

- Use the fourth rule

∵ The bases of the two sides are equal

∴ Their exponents are equal

∴ 3x - 3 = 6x - 14

- Subtract 6x from both sides

∴ -3x - 3 = -14

- Add 3 to both sides

∴ -3x = -11

Divide both sides by -3

∴ x = $\frac{11}{3}$

x is $\frac{11}{3}$

Learn more:

You can learn more about equations in brainly.com/question/4934417

#LearnwithBrainly

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3 years ago

The attendance at two baseball games on successive nights was 74,000. The attendance on Thursday's game was 4,000 more than two-

nadezda [96]

Answer:

The answer is 53,333 rounded

Step-by-step explanation:

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3 years ago

Write the Arabic value of MDCCXLIV

iris [78.8K]

M = 1,000

D = 500

C = 100

L = 50

X = 10

V = 5

I = 1

MDCCXLIV

M = 1,000

DCC = 500 + 100 + 100 = 700 (smaller after larger, then adding)

XL = 50 - 10 = 40 (smaller before bigger, then subtraction)

IV = 5 - 1 = 4 (smaller before bigger, then subtraction)

<h3>MDCCXLIV = 1,000 + 700 + 40 + 4 = 1,744</h3>

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Korolek [52]

Answer:

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Step-by-step explanation:

(5,1) and (5,-6)

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= -7/0 = 0 (horizontal line)

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