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Black_prince [1.1K]
3 years ago
5

What expression is equivalent to -7x+4+3x

Mathematics
1 answer:
Inessa [10]3 years ago
8 0

Answer:

- 4x + 4

Step-by-step explanation:

-7x + 4 + 3x \\-7x + 3x + 4 \\- 4x + 4

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Hi I need help on this I've been working on it for about 20 minutes now please help :)
Mama L [17]

Answer:

V = 4 2/3 units ^3

Step-by-step explanation:

We are given the area of the back rectangle

V = BH where B is the area of the base

V = 3 1/3 * 1 2/5

Rewriting the mixed numbers as improper fractions

V = 10/3 * 7/5

V = 70/15

Simplifying

V = 14/3

Changing back to a mixed number

V = 4 2/3 units ^3

5 0
2 years ago
A fisherman can tow upstream at 4 mph and downstream at 6 mph. He started rowing upstream until he got tired and then rowed down
telo118 [61]

He went upstream 3 hours and downstream two. 4x3=12  6x2=12

He went 24 miles.

5 0
3 years ago
For the function f(x)=5x2−5x, evaluate and simplify.
Marianna [84]

9514 1404 393

Answer:

  10x -5 +5h

Step-by-step explanation:

Use the function definition with the given arguments.

  \dfrac{f(x+h)-f(x)}{h}=\dfrac{(5(x+h)^2-5(x+h))-(5x^2-5x)}{h}\\\\=\dfrac{(5(x^2+2hx+h^2)-5(x+h))-(5x^2-5x)}{h}\\\\=\dfrac{5x^2+10hx+5h^2-5x-5h-5x^2+5x}{h}=\dfrac{10hx-5h+5h^2}{h}\\\\=\boxed{10x-5+5h}

7 0
3 years ago
5 + 4x + 6 - 2x<br> explain how you would do it
Alona [7]

Answer:

11+2x

Step-by-step explanation:

5+6=11

4x-2x=2x

8 0
3 years ago
Read 2 more answers
Please help -6(-5)+12
madreJ [45]
<span>-6(-5)+12
Multiply -6 by -5.
Note: Whenever you multiply or divide a negative number by another negative number, it automatically becomes a positive number.
30+12
Add
Final Answer: 42</span>
4 0
3 years ago
Read 2 more answers
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