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2 years ago

What is the answer and the work of this math problem -9 - 18b =17

Mathematics

1 answer:

aniked [119]2 years ago

3 0

177 cause is like that

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What is 1/5 × -3/2 +4/5 × -2/7 × -1/6 × -2/7

velikii [3]

Answer:

$\frac{-457}{1470}$

Step-by-step explanation:

$\frac{1}{5} \times \frac{-3}{2} + \frac{4}{5} \times \frac{-2}{7} \times \frac{-1}{6} \times \frac{-2}{7}$

$(\frac{1}{5} \times \frac{-3}{2}) + (\frac{4}{5} \times \frac{-2}{7} \times \frac{-1}{6} \times \frac{-2}{7})$

$\frac{-3}{10} +\frac{-16}{1470}$

$=\frac{-457}{1470}$

4 0

2 years ago

Read 2 more answers

Find the perimeter and area of the polygon shown below. The polygon is a trapezoid made up of a rectangle and a right triangle.

algol13

Since, the polygon is a trapezoid made up of a rectangle and a right triangle. Therefore, according to the question, the figure of the polygon is attached.

Since, perimeter is the total length of the outer boundary of the figure. Therefore,

Perimeter of the polygon is $=AB+BE+ED+DC+CA$

$=18+17+8+18+15$

$=76 \ ft$

Area of the polygon = Area of Rectangle + Area of Triangle

$=[(18) \times (15)] + [(\frac{1}{2}) \times (8) \times (15)]$

$=270 + [(\frac{8}{2}) \times (15)]$

$=270 + [4 \times (15)]$

$=270 + 60$

$=330 \ {ft}^{2}$

7 0

2 years ago

Read 2 more answers

Need help now please

baherus [9]

Answer:

Step-by-step explanation:

rise over run = y/x

3/1.5= 2

8 0

2 years ago

I need help quick please

notsponge [240]

Answer:

1/2 i think i sm not sure

Step-by-step explanation:

i am answering because i realy need brainliest have a wonderful day goodluck

8 0

2 years ago

What square root expression represents the golden ratio?

Juli2301 [7.4K]

I believe the phi ratio^2 = 1 + phi ratio
phi ratio = 1.6180339
phi ratio^2 = 2.6180339

4 0

2 years ago