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2 years ago

Seven hundred twelve thousandths in expanded form

Mathematics

1 answer:

matrenka [14]2 years ago

3 0

(7×100)+(0.001×12) = 700.012

Hope It Helps :]

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Find the area of quadrilateral ABCD

andreev551 [17]

Answer:

Step-by-step explanation:

a, b, c

P = a + b + c

Semiperimeter s = $\frac{a+b+c}{2}$

A = $\sqrt{s(s-a)(s-b)(s-c)}$

~~~~~~~~~~~~~~~

$P_{ABC}$ = 4.3 + 2.89 + 6.81 = 14

s = 14 ÷ 2 = 7

$A_{ABC}$ = $\sqrt{7(7-4.3)(7-2.89)(7-6.81)}$ = √14.75901 ≈ 3.84

$P_{BCD}$ = 8.59 + 7.58 + 6.81 = 22.98

s = 22.98 ÷ 2 = 11.49

$A_{BCD}$ = $\sqrt{11.49(11.49-8.59)(11.49-7.58)(11.49-6.81)}$ = √609.7343148 ≈ 24.6928

$A_{ABCD}$ = 3.84 + 24.6928 ≈ <em>28.5</em>

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2 years ago

How many times can 4 go into 68

katrin2010 [14]

4 can go into 68, 17 times. Hope this helps 68/4 = 17

7 0

3 years ago

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PLZZZZZZZZZZ HELP ME WITH THIS

Pavlova-9 [17]

Answer:

First answer:

-16y=-19x+12

16y=19x-12

y=19/16x-3/4

Second answer:

8y=-15x-9

y=-15/8x-9/8

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2 years ago

a line with a slope of -1/9 passes through point (9,-1). What is its equation in slope intercept form

Elena L [17]

Answer:

$\huge \orange{y = - \frac{1}{9} x} \\$

Step-by-step explanation:

To find an equation of a line when given the slope and a point we use the formula

$y - y_1 = m(x - x_1)$

From the question we have

$y + 1 = - \frac{1}{9} (x - 9) \\ y + 1 = - \frac{1}{9} x + 1 \\ y = - \frac{1}{9} x + 1 - 1$

We have the final answer as

$y = - \frac{1}{9} x \\$

Hope this helps you

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2 years ago

Need help with this confusing

Dahasolnce [82]

Answer:

The blanks are 18 and 20

equivalent ratios

Step-by-step explanation:

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2 years ago

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