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Lapatulllka [165]

3 years ago

8

6) 0.5334 how do I show my work

1 answer:

Goshia [24]3 years ago

3 0

Answer:

Step-by-step explanation if u know how to use standered algorithim just divide the same way you divided p.s the answer is 11.2485939258 .

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Multiply.<br> (d+7)(d-7)<br> Simplify your answer.

romanna [79]

Answer:

$\huge\boxed{(d+7)(d-7)=d^2-49}$

Step-by-step explanation:

$\bold{METHOD\ 1:}\\\\(d+7)(d-7)\qquad|\text{use}\ (a+b)(a-b)=a^2-b^2\\\\=d^2-7^2=d^2-49\\\\\bold{METHOD\ 2:}\\\\(d+7)(d-7)\qquad|\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(d)(d)+(d)(-7)+(7)(d)+(7)(-7)\\\\=d^2-7d+7d-49\qquad|\text{combine like terms}\\\\=d^2+(-7d+7d)-49\\\\=d^2-49$

7 0

3 years ago

How do I do this? I need it in perimeter to 2 decimal places. Thank you!

ad-work [718]

Answer:

The perimeter is 127.1 cm

Step-by-step explanation:

30+25+25=80

(2)(3.14)(15)=94.2

94.2/2=47.1

Divide by two because of the semicircle

80+47.1=127.1

8 0

3 years ago

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Find the y-intercept and the slope. HELP ASAP

Lerok [7]

y-int: 140

slope: -4

to find the slope u gotta use the (y2-y1)/(x2-x1) formula

120-140 = -20

5-0 = 5

-20/5 = -4

4 0

2 years ago

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A class of 196 sgudents went on a field trip they took 7 vehicles some cars some buses find the number of cars nd buses they too

V125BC [204]

What is the question yu are trying to answer

8 0

3 years ago

Divide 3÷48.33 and 2÷8.8

Zigmanuir [339]

First is 0.06 and second 0.2

3 0

3 years ago

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