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Rufina [12.5K]
3 years ago
7

Which equation can be used to solve for in the following diagram? (8x - 20)° 3xº

Mathematics
1 answer:
gayaneshka [121]3 years ago
7 0

Answer:

  • A. 3x° + (8x - 20)° = 90°

Step-by-step explanation:

The two given angles are complementary and sum to 90°

  • 3x° + (8x - 20)° = 90°

Therefore correct choice is A.

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Math question answer A B C
Sergeu [11.5K]
1a.
you still have
k=C+273.15
k-C= 273.15 as related equations

b. at C=23
k=23+273.15 = 296.15

c. 25°C in kelvin = 25+273.15 = 298.15
so 300K is greater than 25°C
3 0
4 years ago
X=-6y<br>4x + 10y = 14<br><br>I need this solved in substitution please​
Over [174]

Answer:

4×+10y-6y=14

4×+4=14

4×=14-4

4×=12

6 0
3 years ago
A grocery store has a 13%-off sale on all bread you decide to purchase 6 loaves of bread let b be the original price of a loaf o
Sonbull [250]

Answer:

Step-by-step explanation:

A grocery store has a 13%-off sale on all bread.

Let b represent the original price of a loaf of bread.

This means that the amount by which the price of bread was reduced would be

13/100 × b = 0.13 × b = 0.13b

The new price for the loaf of bread would be

b - 0.13b

you decide to purchase 6 loaves of bread. The expression would be

6(b - 0.13b)

Expanding the expression, it becomes

6b - 0.78b

7 0
3 years ago
A circle has a circumference of 32.4 mm. Which measurement is closest to the radius of the circle?
Alexeev081 [22]
The answer should be A
4 0
4 years ago
Read 2 more answers
Simplify 6x-2x^3+10x+2x^3+7x^4 please
Leviafan [203]

Answer:

6

x

+

10

x

+

7

x

4Step-by-step explanation:

Add

6

x

and  

10

x

.

16

x

+

7

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4

5 0
4 years ago
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