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nikitadnepr [17]
3 years ago
14

What does 4 - (-19) equal?

Mathematics
2 answers:
grin007 [14]3 years ago
6 0

Answer:

23

Step-by-step explanation:

Whenever you subtract a negative number, you treat it as if you're adding a positive number.

For example:

-5-(-5) becomes -5+5, which is 0.

So, 4-(-19) becomes 4+19, which is 23.

kompoz [17]3 years ago
5 0
You have two negatives together; this equals a positive.

So 4 + 19= 23
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Find the area of the following figure.
slava [35]
Ok so the formula for this is A=1/2bh lets plug it in.
A=1/2*16*8
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A=64 in^2
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4 years ago
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y varies directly as x and inversely as the square of z. y equals y=30 when x equals x=108 and z equals z=6. Find y when x equal
Slav-nsk [51]

Answer:

Step-by-step explanation:

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3 years ago
Question 19 (5 points) ✔ Saved
zheka24 [161]

The order of temperature values become -16.7°C > -11.15°C > -7°C > 3°C And -16.7°C is the coolest temperature and 3°C is the warmest as compare to others.

According to the statement

we have given that the some values of the temperatures and we have to write it in the order from the coolest to the warmest means in increasing order.

So, For this purpose,

The given values of temperatures are:

3°C , -7°C , 2°F, 262 K

Firstly convert into one form

So, convert all values in Celsius form,

3°C = 3°C

-7°C = -7°C

2°F = -16.7°C

262 K = -11.15°C

Now arrange into the order from coolest to warmest

So, it will become

-16.7°C > -11.15°C > -7°C > 3°C

So, -16.7°C is the coolest temperature and 3°C is the warmest as compare to others.

The order of temperature values become -16.7°C > -11.15°C > -7°C > 3°C And -16.7°C is the coolest temperature and 3°C is the warmest as compare to others.

Learn about the increasing order here

brainly.com/question/14662181

#SPJ1

7 0
1 year ago
It is recommended that one fire extinguisher be available for every 6000 ft.² in a building right and solve an equation to deter
irina [24]
6000x = 135000; x ≈ 23.

We are required to have one fire extinguisher for every 6000 ft of space in the building; this means we need to find out how many 6000-ft spaces we have in 135000.

Solving this equation, we divide both sides by 6000:
6000x/6000 = 135000/6000 = 22.5 ≈ 23
6 0
3 years ago
During a manufacturing process, a metal part in a machine is exposed to varying temperature conditions. The manufacturer of the
Amiraneli [1.4K]

Answer:

The temperature of the part won’t reach or exceed 141℉

Step-by-step explanation:

Substituting the value of T= 141 the given equation becomes

\begin{array}{l}{141=-0.005 x^{2}+0.45 x+125} \\ {-0.005 x^{2}+0.45 x+125-141=0} \\ {-0.005 x^{2}+0.45 x-16=0}\end{array}

we know that discriminant D = b^{2}-4 a c

Three conditions: - D < 0: imaginary roots, D = 0: real and equal roots,

D > 0: two real and unequal roots Substituting  a = -0.005, b = 0.045 and c = -16, \mathrm{D}=0.045^{2}-4(-0.005)(-16) \mathrm{D}=-0.317975 \mathrm{D}=-0.32(\text { approx. }) Therefore, it won't reach the temperature.

6 0
3 years ago
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