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Semmy [17]
3 years ago
12

Which of the following are equal to the expression below? check all that apply

Mathematics
1 answer:
malfutka [58]3 years ago
3 0
Are you serious?

The correct answers are B. , D. and E.

Good luck!!!!
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The property of inequality states whatever is done to one side of the equation must be done to the other. true or false?
weqwewe [10]
This is true. The word equal in equality will help, each side of the equation in the in(equal)ity should be done the same.
3 0
3 years ago
The function f is defined by f(x)=2.1x−1.7. Use this formula to find the following values of f. f(x+2)
Yuki888 [10]

The value of f(x+2)=2.1x+2.5

Step-by-step explanation:

Given: The function f(x)=2.1x-1.7

Using this formula, we need to find the value of f(x+2)

Hence, we need to substitute x by x+2 to find the value of f(x+2)

f(x+2)=2.1(x+2)-1.7

Multiplying the term (x+2) by 2.1, we get,

f(x+2)=2.1x+4.2-1.7

Adding the constant term,

f(x+2)=2.1x+2.5

Thus, the value of f(x+2) is f(x+2)=2.1x+2.5

8 0
2 years ago
Yogi is 6 years older than Michelle. The sum of their ages is 26. Write a system of linear equations to represent this informati
postnew [5]

Answer:

10 and 16, x+(x+6)=26

Step-by-step explanation:

Michelle has an age we don't know, so we put her age as x.

Yogi is 6 years older than her, so her age is x+6

Michelle=x

Yogi=x+6

we know both their ages equal 26. so we set it up as

x+(x+6)=26

combining like terms we get

2x+6=26

subtract 6 from both sides

2x=20

divide both sides by 2

x=10

now that we have the value for x, we plug it into their original ages

Michelle is 10, because her age is just x.

Yogi is 16, because her age is x+6

8 0
2 years ago
If side b is 12 and side c is 31. Round your answer to the nearest hundredth.
Marrrta [24]

Answer:

i think you mean area so 31?

Step-by-step explanation:

i need more stuff to answer that

6 0
3 years ago
Expand : (3x+5y)²<br>please answer​
alukav5142 [94]

Answer:

FOIL:  9x^2 +30xy + 25y^2

(3x + 5y)(3x+5y)

F: 3x*3x

O: 3x*5y

I: 5y*3x

L: 5y*5y

9x^2 +30xy + 25y^2

Step-by-step explanation:

4 0
3 years ago
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