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fredd [130]
3 years ago
13

1) Find the value of 7x + 3y when x = 12 andy = - 6.​

Mathematics
2 answers:
yKpoI14uk [10]3 years ago
8 0

Answer:66

Step-by-step explanation:

X = 12

Y = -6

(7*12)+(3*-6)

84-18=66

dezoksy [38]3 years ago
7 0

Answer:

66

Step-by-step explanation:

7(12)+3(-6)

84-18=66

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The function N(X) = 90(0.86)* + 69 can be used to predict the temperature of a
dezoksy [38]

Answer: -8.93

Step-by-step explanation:

Given the function:

N(X) = 90(0.86)^x+ 69

X in the interval [0, 6]

For X = 0

N(0) = 90(0.86)^0 + 69

90 + 69 = 159

For X = 6

N(6) = 90(0.86)^6 + 69

90(0.404567235136) + 69

= 105.41105116224

Therefore, average change of change in temperature ;

(temp 2 - temp 1) / ( time 2 - time)

(105.41105116224 - 159) / (6 - 0)

= - 53.58894883776 / 6

= - 8.93149147296

= - 8.93

4 0
3 years ago
Select the correct answer from each drop-down menu.
umka21 [38]

Answer:

A)-4,8

B)-2,11

Step-by-step explanation:

A) ( -1-3)(2+5)

B) (1-3)(5+6)

7 0
3 years ago
The first ingredient you will need to make a cake is flour. Imagine the recipe says you will need 4 cups of it. When you look at
Snowcat [4.5K]

Answer:

Step-by-step explanation:

(4 cups)/(¼ cup) = 16

You need to use 16 of the ¼-cup measures.

8 0
3 years ago
Which set of measurements can represent the lengths of a triangle's sides?
zepelin [54]
Triangle, not a triangle, not a triangle, triangle

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3 years ago
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