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UNO [17]
2 years ago
5

Select the correct answer. Which equation, when solved, gives 8 for the value of x? OA. +3 = =+14 OB. 5-9=31-12 OC. 21-2=r-4 OD.

5.-7=*=+14​

Mathematics
1 answer:
34kurt2 years ago
8 0

Answer:

B

Step-by-step explanation:

i did it and it’s right

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Two school newspapers were sold one day at school. Three were sold the second day and four the third day. If $6.75 was collected
Vlad [161]
2+3+4= 9 newspapers total

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Which of the following equations is an example of inverse variation between variables x and y ?
Mademuasel [1]
The option C) y = 15/x

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b) is an example of linear variation (it is the equation of a straight line that does not pass through the origin)

c) y = 15/x => y*x = 15 = constant which is the characteristic of an inverse relation

d) y = x/15 is an example of an inverse relation, with proportion constant = 1/15 
3 0
2 years ago
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Given the triangle below, what is m<br> A. 46.2<br> B. 41.40<br> C. 48.4<br> D. 38.6°
Brrunno [24]

Answer:

B 41.4

Step-by-step explanation:

complete Pythagoras for general triangles :

c² = a² + b² - 2ab×cos(C)

with "c" being the side opposite of the angle C.

=>

8² = 10² + 12² - 2×10×12×cos(C)

64 = 244 - 240×cos(C)

240×cos(C) = 244 - 64 = 180

cos(C) = 180/240 = 18/24 = 3/4 = 0.75

C = 41.40962211... ≈ 41.4

5 0
3 years ago
Write the following numbers in order of size.<br> Start with the smallest number.<br> -6, 6,-5,0,12
Scorpion4ik [409]

Answer:

-6,-5,0,6,12

Step-by-step explanation:

The negative numbers are obviously smaller than the positive ones :)

4 0
3 years ago
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Serhud [2]
The answer is d.61. 66+7=73. 13+8=21. 52+9=61. 10+10=20
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3 years ago
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