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My name is Ann [436]
3 years ago
15

I need help on #5,6, and 7

Mathematics
1 answer:
denpristay [2]3 years ago
8 0
5.
f(3) = 4 \times 3 - 3 = 12 - 3 = 9
6.
f(0) = 4 \times 0 - 3 = 0 - 3 = - 3
7.
f( - 7) = 4 \times ( - 7) - 3 = - 28 - 3 = - 31
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The temperature fell 12°F from 46°Fto 34°F in 10 hours. how much would the temperature fall over 15 hours if the pattern continu
Stolb23 [73]
18 degrees F because 
it dropped 12 degrees=10 hours
                   x degrees=15 hours
x is what you want to find out which is how many degrees it would drop in 15 hours.
12x15 then divided by 10 is 18.
5 0
3 years ago
Which of the following are factor pairs for 12?
Paul [167]

Answer:

<h2> FACTOR pairs are a set of two integers that when multiplied together gives a particular product.</h2>

<h3>FACTOR pairs of 12 are :</h3><h3>1 and 12 because 1 x 12 = 12</h3><h3>2 and 6 because 2 x 6 =12</h3><h3>3 and 4 because 3 x 4 = 12</h3>

<h3>Hope you understand</h3><h3>Hope this helps.</h3><h3>Good luck ✅.</h3>
3 0
1 year ago
Find the measure of each missing angle , and state the angle relationship I used
Delvig [45]
(4x+28)+(x+19)+(3x+13)=180
8x+60=180( combine like terms)
8x+60-60= 180-60
8x=120
8/8x=120/8
x=15
The missing angles are 88°, 34° and 58°
3 0
3 years ago
Two numbers are in the ratio 7:9 if the sum of the number is 112 then the lrger number is?
nordsb [41]

Answer:

63

Step-by-step explanation:

the numbers are in ratio 7 : 9 = 7x : 9x ( x is a multiplier )

given the sum of the numbers = 112 , then

7x + 9x = 112 , that is

16x = 112 ( divide both sides by 16 )

x = 7 , then

9x = 9 × 7 = 63 ← value of larger number

7 0
2 years ago
Micheal signed a 5-year contract for a new job. His starting salary is $67K per year, and the salary increases 3% each year if a
Tcecarenko [31]

Answer: 77050

Step-by-step explanation: each year +3% meaning in 5 years should be 15% already. 15/100 times x/67000. use butterfly method.

4 0
2 years ago
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