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3 years ago

How do i solve y=⎷x+5

Mathematics

1 answer:

Ivan3 years ago

5 0

Simple you have to act like a imaginary one is there

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(-0.4)^2 sum pls i need this by tonight i have to finish my math corrections pls

netineya [11]

Answer:

(-0.4)²

= -0.4×-0.4

product of two negative numbers is positive

so, 0.4×0.4

=4/10×4/10

=16/100

=0.16

5 0

2 years ago

Y=x-2 help my brain isn't working um I have to make this 20 character long, pls help

Trava [24]

Answer:

y= x-2

y×x= 2

I guess it's like that not sure

8 0

3 years ago

Which of the following describes a compound event? A. getting a 5 on a spin B. getting tails on a coin toss C. drawing an ace fr

Sphinxa [80]

A. getting a 5 on a spin : NO, I's a simple event
B. getting tails on a coin toss : NO, I's a simple event
C. drawing an ace from a deck of cards : NO, I's a simple event
D. rolling a 4 on a die and rolling an even number on another: YES. it's a compound event

4 0

4 years ago

Read 2 more answers

You have two circular flower beds, as shown. The sum of the areas of two flower beds is 136 pi square feet. Find the radius of e

finlep [7]

Answer:

Radius of larger flower bed = 10 feet

Radius of smaller flower bed = 6 feet

Step-by-step explanation:

<u>Complete question:</u>

"You have two circular flower beds, as shown. The sum of the areas of two flower beds is 136 pi square feet. Find the radius of each bed.<em>"</em>

<em>Radius of larger flower bed = r</em>

<em>Radius of smaller flower bed = r - 4</em>

<em />

Now,

Area of circle is $\pi r^2$

Since, total area is $136\pi$ , we can write:

$\pi r^2 + \pi (r-4)^2=136\pi$

Expanding and solving for r:

$\pi r^2 + \pi (r-4)^2=136\pi\\r^2+(r-4)^2=136\\r^2 + r^2 - 8r + 16 = 136\\2r^2-8r-120=0\\2(r+6)(r-10)=0\\r=-6,10$

Radius cannot be negative, so r = 10 & r-4 = 10 -4 = 6

Radius of larger flower bed = 10 feet

Radius of smaller flower bed = 6 feet

8 0

3 years ago

The sum of the first 6 terms of a geometric series is 15,624 and the common ratio is 5. What is the first term of series?

Shalnov [3]

Answer:

Step-by-step explanation:

Suppose

S = sum of the six terms
a1 = the first term

$\left. { S = a _ { 1 } \frac { 1 - 5 ^ { 6 } } { 1 - 5 } } \\\\ { \Leftrightarrow S = \frac { a _ { 1 } } { 4 } ( 5 ^ { 6 } - 1 ) } \\\\ { \Leftrightarrow a _ { 1 } = \frac { 4 S } { 5 ^ { 6 } - 1 } } \right.$

then a1 = (4×15 624)÷(5^(6)-1)

= 4

6 0

4 years ago