3 years ago

What is chemestry ..

1 answer:

3 0

The branch of science that deals with the identification of the substances of which matter is composed; the investigation of their properties and the ways in which they interact, combine, and change; and the use of these processes to form new substances

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What does 2(5*-3) =

ladessa [460]

Answer:

$-30$

Step-by-step explanation:

Step 1: Multiply inside the parenthesis

$2(5 * -3)$

$2(-15)$

Step 2: Multiply

$2(-15)$

$2 * -15$

$-30$

Answer: $-30$

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3 years ago

Where can I find about slopes in homework 5 unit 3

chubhunter [2.5K]

Answer:

idk

Step-by-step explanation: sorry im in unit 6 in science im working on rn

baiiii

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3 years ago

if a sprinkler waters 1/14 of a lawn in 1/2 an hour, how much time it will take to water the entire lawn

arlik [135]

1/14 in 30 mins
30 mins x 14=420 mins
420 mins in hours =7 hours

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3 years ago

Complete the point-slope equation of the line through (-8,-8) and (-7,9)

denis23 [38]

Step-by-step explanation:

point slope formula: y-y1=m(x-x1)

m= y2-y1/x2-x1

input numbers

so slope:

m=(9--8)/(-7--8)

(-)×(-)=+

(+)×(-)=(-)

so m=17/1

m=17

now point slope

y--8=17(x--8)

y+8=17x+136

to get y alone we have to use opposite operations

y and 8 are adding so we need to subtract on both sides

y+8-8=17x+136-8

y=17x+128

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2 years ago

Express 45000 in scientific notation

Ne4ueva [31]

4.5 x 10 to the power of 4

7 0

3 years ago