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Sunny_sXe [5.5K]

3 years ago

14

NIKKI'S BACKYARD IS THE SHAPE OF A RECTANGLE. THE LENGTH IS 27 FEET. THE WIDTH IS ONE THIRD THE LENGTH PLUS 4 FEET. WRITE AND EV

ALUATE AN EXPRESSION TO FIND THE AREA OF nIKKIS BACKYARD

2 answers:

Oxana [17]3 years ago

6 0

27÷3+4=w×L...........I hope I'm right

tamaranim1 [39]3 years ago

5 0

Answer: A, D, F

Step-by-step explanation:

Hope this is the correct answer, But lets not quote me on that :]

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Step-by-step explanation:

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3 years ago

Find the common ratio of the geometrie sequence 6, 24, 96,

inessss [21]

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Step-by-step explanation:

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2 years ago

1st Step: 3 - 4x - 7 = -24<br> 2nd Step: 3- 7 - 4x = -24<br> What property justifies the 2nd step

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Step-by-step explanation:

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2 years ago

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Lady bird [3.3K]

$\\ \sf\longmapsto \sqrt{108x^2y^3}-\sqrt{12x^2y^3}+x\sqrt{75y^3}$

$\\ \sf\longmapsto \sqrt{2\times 2\times 3\times 3\times 3\times x\times x\times y\times y\times y}-\sqrt{2\times 2\times 3\times x\times x\times y\times y\times y}+\sqrt{5\times 5\times 3\times y\times y\times y}$

$\\ \sf\longmapsto 6\sqrt{3}xy\sqrt{y}-2\sqrt{3}xy\sqrt{y}+5\sqrt{3}xy\sqrt{y}$

$\\ \sf\longmapsto \sqrt{3}xy\sqrt{y}(6-2+5)$

$\\ \sf\longmapsto 9\sqrt{3}xy\sqrt{y}$

5 0

2 years ago

Read 2 more answers

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

3 0

3 years ago