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sashaice [31]
3 years ago
8

I need help with both boxes plz help thanks

Mathematics
1 answer:
Mashutka [201]3 years ago
4 0

Answer:

282.6

Step-by-step explanation:

CAN YOU PLEASE MARK ME AS BRAINLEST?!

PLEASE!

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Warm-Up
Sveta_85 [38]

Answer:

Graph # 3

Step-by-step explanation:

-2x + 5y > 15               Let x  = 0  solve for y

 -2(0) + 5y = 15             change the > to an =

     5y = 15

      y =3     Point (0, 5) is on the graph

 Graph # 3 is correct because the y-intercept  is 5  

    x          y

    0          3                    -2(0) + 5y = 15;     5y = 15

    5          5                  -2(5) + 5y = 15;    -10 + 5y = 15;  5y = 25; y = 5

    10         7                   -2(10) + 5y = 15; -20 + 5y = 15; 5y = 35; y = 7

   The graph > the line is dotted and you will shade above the line

4 0
2 years ago
In the following exercises, identify whether each number is rational or irrational.
klasskru [66]

Answer:

(a) √25 rational

(b) √30 irrational

Step-by-step explanation:

Note : only perfect squares have rational roots

25 = 5² then 25 is a perfect square

            therefore √25 = 5 is a rational number

30 cannot be written in the form a² where ‘a’ I start a natural number then 30 is not a perfect square

           Therefore √30 is irrational.

7 0
2 years ago
So sorry i need help with this too,last question promise..
AysviL [449]
350 euros 

have an amazimg day
8 0
3 years ago
Read 2 more answers
Which symbol creates a true sentence when x = 6? 12 ÷ x + 2x ____12 ÷ (x + 2x)
Serjik [45]

Answer:

The symbol can be \neq, >

Step-by-step explanation:

Given : Expression   12\div x+2x\ ?\ 12\div (x+2x)

To find : Which symbol creates a true sentence when x = 6?

Solution :

12\div x+2x\ ?\ 12\div (x+2x)

We put x=6 both side and get the result,

LHS, L=12\div x+2x

L=12\div 6+2(6)

L=2+12

L=14

RHS, R=12\div (x+2x)

R=12\div (6+2(6))

R=12\div (6+12)

R=12\div 18

R=0.6

So we can say that,

14\neq 0.6 or 14> 0.6

12\div x+2x\ \neq\ 12\div (x+2x)

or 12\div x+2x\ >\ 12\div (x+2x)

Therefore, the symbol can be \neq, >

7 0
3 years ago
Answer correct please
AnnyKZ [126]
The answer is B, trust im a math teacher :p
5 0
3 years ago
Read 2 more answers
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