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daser333 [38]
3 years ago
11

The air temperature drops from 94°F to 72°F in 15 minutes what is the change in temperature

Mathematics
1 answer:
mamaluj [8]3 years ago
7 0
The temperature drops 22<span>°F in 15 minutes.

22</span>°F / 15 = 1.46<span>°F per minute

Hope I helped!</span>
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Multiplying a number by 4/5 then dividing by 2/5 is the same as multiplying by what number?
Verizon [17]
Would it be 33/10? If you are multiplying and then division you would use the inverse of the divided fraction and multiply. So you could invert 2/5 to 5/2 and add to 4/5. After finding the common denominator it would be adding 8/10 + 25/10 = 33/10.
5 0
3 years ago
Help on this please.
mote1985 [20]

Answer:

x = 11

Step-by-step explanation:

A triangle has three sides, which are its edges. Also, it has three vertices that are the corners of a triangle and where two edges meet.

The circumference is equidistant from the vertices of the triangle:

Equidistant = At equal distances.

The vertices in the picture are: A, B, C

The circumcenter is: P

So, we can apply the rule: PA = PB = PC

PA = 38

PB = 6x - 28

PC = ?

And since the picture labels PA and PB, we set up the equation:

PA = PB = PC

38 = 6x - 28

Add 28 to both sides

38 + 28 = 6x - 28 + 28

66 = 6x

Divide 6 on both sides

66/6 = 6x/6

Simplify

11 = x

Flip the equation

x = 11

4 0
2 years ago
Find the area of each figure and round to the nearest tenth if necessary
Firdavs [7]

Answer:

95.9 cm^2

Step-by-step explanation:

this figure is composed of two semicircles. the area of each semicircle would be determined and then added together.

area of a semicircle = 1/2 nr^2

r = radius

n = 22/7

bigger semicircle

1/2 x (22/7) x (6^2) = 56.57cm^2

smaller circle = 1/2 x (22/7) x (5^2) =39.29cm^2

Sum of the areas = 56.6 + 39.3 = 95.9 cm^2

the tenth is the first number after the decimal place. To convert to the nearest tenth, look at the number after the tenth (the hundredth). If the number is greater or equal to 5, add 1 to the tenth figure. If this is not the case, add zero

8 0
3 years ago
The larger of 2 numbers is 12 more than the smaller. the sum 84. find the numbers
Anestetic [448]
Let the smaller number be x.

Larger number = 12 + x

Sum = 84

x + 12 + x = 84

2x + 12 = 84

2x = 72

x = 36

Hence, the numbers are 36 and 48.
8 0
3 years ago
Rearrange the equation to isolate A.<br> H=K+log(A/C)
Xelga [282]

Answer:

A=C(10)^{H-K}

Step-by-step explanation:

The given equation is

H=K+\log(\frac{A}{C}

Subtract K to both sides of the equation

H-K=\log(\frac{A}{C}

Now, use the property, x=\log y\Rightarrow y=10^x

10^{H-K}=(\frac{A}{C}

Multiply both sides by C to isolate A

A=C(10)^{H-K}

The value of A is

A=C(10)^{H-K}

3 0
3 years ago
Read 2 more answers
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