3 years ago

What are proportions and percent??

1 answer:

8 0

<span>The phrase 18 is means that 18 is the part. 40% means that 40 will replace percent in our proportion. The phrase of what number represents the whole and is the unknown quantity.</span>

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4/5 = % its blank at the %

Goryan [66]

Answer:

Step-by-step explanation:

4/5 = 0.8 whitch = 80

5 0

3 years ago

I need help with #6!! Thanks

tatyana61 [14]

Use this formula: $d= \sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2 }$

a) d=11

Work:
d=sqrt((4-(-7))^2+(5-5)^2
d=sqrt((11)^2+(0)^2)
d=sqrt(121+0)
d=sqrt(121)
d=11

b) d=4

c) d = 16

d) d=160

e) d=12

6 0

3 years ago

What is the answer if you simplify (-3k^0)^-4

Lynna [10]

Anything raised to the zeropower is 1 . So k^0 = 1 and you can forget about it.

The expression is now (-3)^-4 .

Anything raised to the -4 power means 1 / (the same thing raised to the 4 power).

So (-3)^-4 means 1 / [ (-3) · (-3) · (-3) · (-3) ] .

If you slog through that, you should end up with 1 / 81 .

You really ought to slog through it, for the practice.

7 0

3 years ago

Find the slope of the line that passes through the points (3,0) and (-11,-15) ✨

Nonamiya [84]

15/14 is your answer lol

6 0

3 years ago

Read 2 more answers

Rewrite 14×(2+4) as Distributive Property

Katarina [22]

Answer:

28+56

Step-by-step explanation:

14(2+4)

Using the distributive property

14*2 + 14*4

28+56

3 0

3 years ago