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snow_lady [41]
3 years ago
6

Jade wants to solve -5.5 -(-3.5) and model it on a number line.

Mathematics
1 answer:
Liono4ka [1.6K]3 years ago
5 0
- 5.5 + 3.5
the answer is -2

first you soustracte. -

- × - = +
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Can somebody help? Tysm
alukav5142 [94]
X is equal to 8. The work for that is on the attached picture.

5 0
3 years ago
-8(1 + 5b) – 2(86 – 1) = 50
kati45 [8]

Answer:

b = -57/10

Step-by-step explanation:

Let's first distribute everything out:

-8(1 + 5b) = -8 * 1 + (-8) * 5b = -8 - 40b

2(86 - 1) = 2 * 85 = 170

So, we have:

-8 - 40b - 170 = 50

-40b - 178 = 50

-40b = 50 + 178 = 228

b = -228/40 = -57/10

Thus, the answer is b = -57/10.

Hope this helps!

3 0
3 years ago
Halp me halp me <br> halp me halp me
atroni [7]

Answer:

8.72

Step-by-step explanation:

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8 0
2 years ago
Let f(x)=2x+2 and g(x)=x^2<br> State the domain of the operation:<br> h(g(x))
faust18 [17]

Answer: the domain of f(x)=2x+2 is all real numbers and the domain of g(x)=x^2 is (0, infinity)

Step-by-step explanation:

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7 0
3 years ago
A log raft is moving downstream at a speed of 3 km/h. To insure that there are no river jams a supervisor travels along the raft
skad [1K]

Answer:

2000 meters

Step-by-step explanation:

When the motorboat is moving downstream, its speed relative to the ground is 18 km/h, so its speed relative to the raft is 15 km/h.

When the motorboat is moving upstream, its speed relative to the ground is 12 km/h, so its speed relative to the raft is again 15 km/h.

Converted to m/min, the relative speed is:

15 km/h × (1000 m/km) × (1 h / 60 min) = 250 m/min

It takes the motorboat 16 minutes to travel to the front of the raft and back.  Since the speed is the same in both directions, the motorboat takes 8 minutes to travel the length of the raft.

So the length of the raft is 250×8 = 2000 meters.

8 0
3 years ago
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