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3 years ago

How can the decimal –70.73 be written as a mixed number?

Mathematics

1 answer:

GREYUIT [131]3 years ago

4 0

Answer:

-70 $\frac{73}{100}$

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Find the 20th term in the sequence, where the first term is -2 and the common ratio is-2.

geniusboy [140]

Answer:

Step-by-step explanation:

(1)

a1=-2

r=-2

$a_{20}=(-2)(-2)^{20-1}=-2(-2)^{19}=2^{20}=1048576\\(2)\\a_{1}=1000\\r=\frac{200}{1000} =\frac{1}{5} \\a_{8}=1000(\frac{1}{5} )^{8-1}=1000(.2)^7=0.0128\\(3)\\a_{1}=2\\a_{3}=50\\a_{2}=\sqrt{2*50} =10\\r=\frac{10}{2} =5$

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3 years ago

What would be the actual length, if the length of the model is 25 ft and the scale factor is less

Sidana [21]

Answer:

20ft

Explanation:

You multiply the model length by the scale factor to find the actual length. <u>If the scale factor is less than zero, then the actual size will be smaller than the model</u>. Therefore, your answer would be 20ft.

Specifically, the scale factor is .8 if the actual size is 20ft, 1 if the actual size is 25ft, and 1.2 if the actual size is 30ft.

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4 years ago

Can I get some help plz?

Anika [276]

Answer:

X=20 degree

Step-by-step explanation:

∆A+∆D+∆O=180

2x+10+2x+90=180

collect like terms

2x+2x=180-100

4x=80

(4x)/4=(80)/4

x=20 degree

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2 years ago

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For every gallon of water in a swimming pool, you’ Instructed to add four grams of chlorine. How many grams of chlorine would yo

Kruka [31]

Answer:

Step-by-step explanation:

Multiply grams per gallon times gallons to get grams.

$4\,\dfrac{g}{gal}\times 13\,gal=4\times 13\,\dfrac{g\cdot gal}{gal}=52\,g$

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3 years ago

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PLEASE HELP I WILL GIVE BRAINLIEST MUST USE WORK :)

Nikolay [14]

slope = (y2-y1)/(x2-x1)

m =(-2-7)/(8-0)

m =(-9/8)

slope is -9/8

the y intercept is 7 (0,7)

y = mx +b

y = -9/8 x+7

Answer: y = -9/8x +7

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3 years ago

How can the decimal –70.73 be written as a mixed number? ​ ​

How can the decimal –70.73 be written as a mixed number?