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MAXImum [283]
3 years ago
14

How did the temperature change if: at first it increased by 25 % and then decreased by 40% ?

Mathematics
1 answer:
nevsk [136]3 years ago
6 0

Answer:

It changed 15 degrees less than the first temperature

Step-by-step explanation:

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True or False:The following pair of ratios forms a proportions.3/2 and 18/8
JulsSmile [24]

Answer:

Correct answer: False

Step-by-step explanation:

coeff c= 3/2 = 1,5        coeff c₁ = 18/8 = 2,25

c ≠ c₁

God is with you!!!

7 0
4 years ago
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Six Less than the product of 4 and a number is equal to 5. Write an equation
Anna71 [15]
Let "x" be the mystery number
A product of 4 and this number = 4x
Six less that that = subtracting six from 4x
So the final equation is
4x-6=5

P.S.: x = 2.75
3 0
4 years ago
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Find the value of y for which line a is parallel to line b.
alexdok [17]
Y+38°= 180 beacuse if a and b are parallel they are co interior angles. This means that they will at to 180.

y=180-38= 142°

Answer: 142°

Drew out some hopefully helpful pictures below. Hope they help! let me know if you still have any questions!

6 0
3 years ago
Helppppp me pleaseeeee
DerKrebs [107]

Answer:

D

Step-by-step explanation:

Congruent angles are identical in number of degrees.

6 0
4 years ago
Find the missing side lengths.
Zigmanuir [339]

Answer:

x is 18, and y is 9 √ 3

Step-by-step explanation:

Since this is a right triangle that contains a 30 degree angle, we know this is a special right triangle, and the missing angle is 60 degrees since a triangle is 180 degrees, and 180 - 90 - 30 = 60.

The relationship is listed below:

The side opposite of the 30 degrees can be represented as a variable, say "p", and the hypotenuse which is x in your question is twice this. The side opposite of the 60 degree angle is x + √3

So x is 18, and y is 9√3

6 0
3 years ago
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