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3 years ago

What is (1-2)???????????????

Mathematics

2 answers:

Nikitich [7]3 years ago

6 0

Answer:

-1

Step-by-step explanation:

its the same as 2 - 1 you just add the - sign to your answer

hope this helps

Alex787 [66]3 years ago

5 0

Answer:

-1

Step-by-step explanation:

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2 years ago

Please I need help!!

nata0808 [166]

The largest possible complete design that can be painted on a 24’ x 16’ wall is 252' by 189'

<h3>Scale drawing</h3>

Scale drawing involves drawing a drawing in a different size and dimension that is proportional to the original dimension

<h3>Dimensions</h3>

The dimensions of the design for the farm scene painting is given as:

$12" \times 9"$

The dimensions of the wall is given as:

$24' \times 16'$

Convert feet to inches

$24' \times 16' = (24 \times 12") \times (16 \times 12")$

$24' \times 16' = (288") \times (192")$

Divide the dimensions of the wall by the painting to get the scale ratios (k)

$k = \frac{288}{12}$

$k = 24$

Also, we have:

$k =\frac{192}{9}$

$k =21.33$

Remove decimal (do not approximate)

$k =21$

By comparison;

21 is less than 24

Multiply 21 by the dimensions of the painting

So, we have:

$Length = 12 \times 21 = 252$

$Width = 9 \times 21 = 189$

Hence, the largest possible complete design that can be painted on a 24’ x 16’ wall is 252' by 189'

Read more about scale drawings at:

brainly.com/question/810373

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2 years ago

12x + 4 ≤ -8 inequality number line

Wittaler [7]

Answer:

x = - 1

Step-by-step explanation:

therefore x is less than or equal to - 1

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2 years ago

What is (1+2x3) squared

kobusy [5.1K]

Answer:

$\large\boxed{(1+2x^3)^2=4x^6+4x^3+1}$

Step-by-step explanation:

$(1+2x^3)^2\\\\\bold{METHOD\ 1:}\\\\(1+2x^3)^2=(1+2x^3)(1+2x^3)\qquad\text{use FOIL}\ (a+b)(c+d)=ac+ad+bc+bd\\\\=(1)(1)+(1)(2x^3)+(2x^3)(1)+(2x^3)(2x^3)\\\\=1+2x^3+2x^3+4x^6\qquad\text{combine like terms}\\\\=1+4x^3+4x^6$

$\bold{METHOD\ 2:}\\\\\text{use}\ (a+b)^2=a^2+2ab+b^2\\\\(1+2x^3)^2=1^2+2(1)(2x^3)+(2x^3)^2\\\\=1+4x^3+2^2(x^3)^2\\\\=1+4x^3+4x^6$

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2 years ago

This is also due soon. a little break from the biology

nydimaria [60]

33 part a is h=30 so a=15 and I think it would be 121 cm2 for the area
33 part b is just the first base which is 12
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2 years ago

What is (1-2)???????????????​

What is (1-2)???????????????