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Thepotemich [5.8K]
2 years ago
5

In the expression 2a-5+4a-9, name the constants​

Mathematics
1 answer:
Vika [28.1K]2 years ago
4 0

Answer:

-5 and -9 are the constants, can also be written -14

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Match the equivalent expressions.
Arte-miy333 [17]

Answer:

see below

Step-by-step explanation:

5(x + y) + 6(x − y)

Distribute

5x+ 5y + 6x -6y

Combine like terms

11x -y

(5x − 3y) − x + 3x − 5y

Combine like terms

5x -x +3x   -3y -5y

7x -8y

4(x + y) − 3(x + y)

Distribute

4x +4y -3x -3y

Combine like terms

x -y

x − 4x + 6y + (14x − 5y)

Combine like terms

x -4x +14x    +6y -5y

11x    +y

3x + 3y + 2(2x − y)

Distribute

3x+3y +4x -2y

Combine like terms

7x +y

7 0
3 years ago
Nathaniel builds birds and birdhouses using Lego blocks. Let B represent the number of birds and H represent the number of birdh
N76 [4]

Answer:

At-most 3 birdhouses.

Step-by-step explanation:

Let B represent the number of birds and H represent the number of birdhouses that Nathaniel can build with his Lego blocks.

We have been given that Nathaniel builds birds and birdhouses using Lego blocks. The inequality 43B+215H\leq3000 represents the number of birds and birdhouses Nathaniel could build.

To find the number of birdhouses that Nathaniel can build after making 50 birds, we will substitute B=50 in our given inequality and then solve for H.

43*50+215H\leq3000

2150+215H\leq3000

Let us subtract 2150 from both sides of our inequality.

2150-2150+215H\leq3000-2150

215H\leq850

Let us divide both both sides of our inequality by 215.

\frac{215H}{215}\leq\frac{850}{215}

H\leq3.953488

As Nathaniel can make build less than or equal to 3.953488 and the biggest integer less than or equal to 3.953 is 3, therefore, Nathaniel can build at-most 3 birdhouses with remaining Lego blocks.

3 0
2 years ago
Read 2 more answers
Which is NOT a way to state the meaning of the expression x + 2?
lesya692 [45]

2x is not a way to express this. You could use 2 + x or x +2. But 2x is x multiplied by 2. x + 2 is x plus 2.

5 0
3 years ago
Please help a girl out!! really confused
Flura [38]

Answer:14

Step-by-step explanation:To find the mean first add everything together and that will give you 84 then divide the total amount with the total amount of number  which is 6 and your answer is 14.

Step one:20+18+16+15+12+3=84  Step two:find the total amount of numbers which is 6.   Step three:divide 84÷6=14

5 0
2 years ago
Can you help me on this question Plss??
prohojiy [21]
Linear and consistent
6 0
2 years ago
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