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Vlad [161]
3 years ago
9

What is the value of 3X squared +5 and X +25 when x=3

Mathematics
1 answer:
Leokris [45]3 years ago
3 0

Answer:

32, 28

Step-by-step explanation:

3x^2 + 5

= 3(3)^2 + 5

= 27 + 5

= 32


x + 25

= 3 + 25

= 28

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Which ordered pairs are in the solution set of system of linear inequalities?
astra-53 [7]

Answer:

Option (3)

Step-by-step explanation:

There are two inequalities graphed in the figure attached.

1). Solid line having shaded above the solid line (passing through origin) will be represented by the equation,

y\geq -\frac{1}{2}x

2). Another dotted line having shaded area below the line will be represented by the inequality,

y

Common shaded area of these inequalities will be the solution area.

All the ordered pairs lying in this area will be the answer.

In the given options,

Ordered pairs given in Option (3) lie in the common shaded area.

8 0
3 years ago
Fill in the blank.<br><br> 2×56 = ___ + 56
shusha [124]

Answer:

56

Step-by-step explanation:

2 times 56 is the same as 56+56.

If this helped I would appreciate it if you marked me Brainliest. Thank you and have a nice day!

5 0
3 years ago
It is true that 1 foot = 12 inches. explain why it is not true that 1 square foot = 12 square inches.
NikAS [45]

we know that

1 foot=12inch

Since, we have to find 1 foot^2

so, we will take square both sides

(1 foot)^2=(12inch)^2

(1)^2 foot^2=(12)^2inch^2

1 foot^2=144 inch^2

so, we can see that it is not equal to 12 inch^2

that's why 1 foot^2=12 inch^2 is not true

6 0
4 years ago
CAN SOMEONE PLEASE HELP ME???
Klio2033 [76]

Answer:

B

Step-by-step explanation:

y=x+2. let it eq 1

put y= - 2 and x=-4 in eq 1

-2 = -4+2

-2= -2

now put x= -3 and y= -1 in eq 1

-1 = -3+2

-1 =-1

now put x= -2 and y=0 in eq 1

0 = -2+2

0=0

now put x= -1 and y=1 in eq 1

1 = -1+2

1=1

5 0
3 years ago
Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest
schepotkina [342]

Answer:

1/9

Step-by-step explanation:

The possible choices 2,3,4

odd numbers: 3

P (odd number) = number of odd numbers /total

                          = 1/3

Then we spin again

The possible choices 2,3,4

We want a 3: 3

P (3) = number of 3's /total

                          = 1/3

Since the first spin did not affect the second spin

P(odd, then 3) = P(odd) *P( 3)

                        = 1/3* 1/3

                         =1/9

3 0
4 years ago
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