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liberstina [14]

3 years ago

14

Help? ;O So confused right now

1 answer:

posledela3 years ago

3 0

The slant height is the hypotenuse of a right triangle with sides length 7 m and 19 m. Use the Pythagorean theorem.

h² = (7)² + (19)²
h² = 49 + 361
h² = 410
h = √(410)
h = 20.25
rounded to nearest whole number would be 20 m

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Which ordered pairs make the equation true? 3x+2y=−7 Select each correct answer. (3, −8)

Nikolay [14]

<h2>SOLVING</h2>

$\Large\maltese\underline{\textsf{A. What is Asked}}$

Which ordered pairs make the equation $\bf{3x+2y=-7}$ true? Select all that apply. 3 options are given

$\Large\maltese\underline{\textsf{B. This problem has been solved!}}$

We can tell which ordered pairs make equations true by plugging in the coordinates.

$\mathbb{ORDERED\;PAIR\;NUMBER\;ONE}$

$\bf{3(3)+2(-8)=-7}$ | simplify

$\bf{9-16=-7}$ |simplify

$\bf{-7\equiv-7}$ | this one checks

$\mathbb{ORDERED\;PAIR\;NUMBER\;TWO}$

$\bf{3(-2)+2(-1)=-7}$ | simplify

$\bf{-6-2=-7}$ | simplify

$\bf{-8\neq-7}$ | this one does <em>not </em>check

$\mathbb{ORDERED\;PAIR\;NUMBER\;THREE}$

$\bf{3(1)+2(-4)=-7}$ | simplify

$\bf{3-8=-7}$ | simplify

$\bf{-5\ne-7}$ | this one does <em>not</em> check

$\rule{300}{1.7}$

$\bf{Result:}$

$\bf{=The\;First\;Option$

$\boxed{\bf{aesthetic \not101}}$

5 0

2 years ago

What is the first step in solving -5x-1/6>3/2

4vir4ik [10]

You add 1/6 to both sides

Step-by-step explanation:

4 0

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You have 2 boxes of 21 parts. On average, each individual work operation takes 3 minutes per part. At the end, packaging the ent

kenny6666 [7]

Answer:

2 hours, 26 minutes

Step-by-step explanation:

2 boxes of 21 parts = 42 total parts

3 minutes per part = 42 x 3 = 126 minutes

10 minutes per box to package = 10 x 2 = 20 minutes

126 + 20 = 146 minutes

2 hours = 120 minutes

146 - 120 = 26

Final Answer: 2 hours, 26 minutes

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Elena L [17]

Answer:

C

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Since the triangle is right with hypotenuse QR

Use Pythagoras' identity to solve for QR

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QR² = 8² + (8 $\sqrt{3}$ )²

= 64 + 192

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QR = $\sqrt{256}$ = 16

7 0

3 years ago