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spin [16.1K]
3 years ago
10

Can you help me plz i will give you brainly its

Mathematics
1 answer:
hodyreva [135]3 years ago
4 0
The answer is 3.5 + 1.5x = 12.5. So the answer would be C.
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A train travels 40 miles in 65 minutes. To the nearest tenth of a mile, how far does the train travel per minute?
arsen [322]
0.6 is the answer rounded
4 0
4 years ago
The domain of y=sqrt x-5-1 is
Anastaziya [24]

Answer:

The domain is the interval [5,∞)

Step-by-step explanation:

we have

y = \sqrt{x-5}-1

we know that

The radicand (number under a radical) must be greater than or equal to zero

so

x-5\geq 0

solve for x

Adds 5 both sides

x-5+5\geq 0+5

x\geq 5

therefore

The domain is the interval [5,∞)

All real numbers greater than or equal to 5

7 0
3 years ago
Read 2 more answers
X(7 - x) > 8 A. 8 B.2 C. -1 D.0
Elodia [21]
=7x-x^2>8
0=7x-x^2-8
0= -x^2 + 7x -8
0=(x^2 + 8x)-(x - 8)
0=x(x + 8)-1(x +8)
0=(x-1)   0=(x+8)
x=1          x= -8






3 0
3 years ago
Find the area of the figure
Mars2501 [29]

Answer:

72 m²

Step-by-step explanation:

A = 4x(5+4+5) + (4x4)

= 4x14 + 16

= 56 + 16

= 72 m²

8 0
4 years ago
A veterinarian knows that a 50-pound dog gets 0.5 milligram of a certain medicine, and that the number of milligrams, m, varies
xenn [34]

In the third step, 10 is the mass of the dog. As such, it should have been substituted to w and not to m.

6 0
3 years ago
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