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2 years ago

13

Pls i need help with 14 tysm

1 answer:

Goshia [24]2 years ago

8 0

6(6+4) = 60 and same for 36 + 24

9(6+3) = 81 and 54 +27

last but not least....

5(6+3) = 45 and 30 + 15 is also equal to 45

Hope this helps and have a good night!

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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

1 year ago

A rectangle is drawn so the width is 5 inches longer than

CaHeK987 [17]

Answer:

$length = l\\width = 5 + l\\Diagonal = 36\\diagonal^2 = (5+l)^2 + l^2\\36^2 = 25 + l^2 +10l + l^2\\1296 = 2l^2 +10l +25 \\2l^2 +10l=1271\\\\l_1=\frac{-10+2\sqrt{2567}}{2\cdot \:2},\:l_2=\frac{-10-2\sqrt{2567}}{2\cdot \:2}$

$l_1=\frac{-5+\sqrt{2567}}{2},\:l_2=\frac{-5-\sqrt{2567}}{2}$

clearly,

$l_{2} \ is \ a \ negative\ number$

So we consider

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6 0

2 years ago