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Elodia [21]
3 years ago
13

What is -2.3 - (4.5 - 3 1/2)?

Mathematics
2 answers:
Gemiola [76]3 years ago
4 0
-2.3 - (4.5 - 3\frac{1}{2}) = -3.3
wolverine [178]3 years ago
4 0

Answer:

3.3

Step-by-step explanation:

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What is the value of -6+3-3(-18) ?<br> (Need ASAP with steps!)
oee [108]
-6+3-3(-18)

Okay.

Work from left to right.
-6 plus 3 equals -3.
(Think of it as in a number line, from the spot of -6, move right three units. This will give you -3. Anyways..)

Now you have -3-3
The result is -6.

-6(-18)
Negative six times negative eighteen equals positive 108.

The answer is 108.
(Sorry for the long reply)
6 0
4 years ago
What is the ratio of cosine of C?<br><br> A 24/7<br><br> B 24/25<br><br> C 7/25<br><br> D 25/24
Alecsey [184]

Answer:

Cos C = adjecent/hypotenuse

Cos C = 14/50

divide the numerator and the denominator by 2

Cos C = 7/25

The answer is C

8 0
3 years ago
Find the slope of the line that passes through (4, 5) and (6,4)
Dahasolnce [82]

Answer:

-1/2

Step-by-step explanation:

y2-y1       4-5           -1

--------- = --------  = --------

x2-x1        6-4         2

7 0
3 years ago
A cylindrical barrel with a radius of 12 feet rests on its round side against a wall. A ladder leans against both the barrel and
frosja888 [35]
The answer is 24 cool
5 0
3 years ago
Lin uses an app to graph the charge on her phone.
exis [7]

Answer:

  • See below

Step-by-step explanation:

<u>Use the graph to answer the following questions:</u>

When did she start using her phone?

  • At 2 afternoon

When did she start charging her phone?

  • At 8 afternoon

While she was using her phone, at what rate was Lin’s phone battery dying?

<u>From 100% to 40% between 2PM and 4 PM:</u>

  • (100 - 40)/(4 - 2) = 60/2 = 30% per hour
8 0
3 years ago
Read 2 more answers
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