Answer:
A
Step-by-step explanation:
We are given:
Recall the co-function identity:
Let θ = 7f + 4. So:
Substitute:
Remove the cosine:
Distribute:
Subtract:
Add 7f and 1 to both sides:
Therefore:
Answer:
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Step-by-step explanation:
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Answer:
1. A number decreased by seven.
2. A number increased by nine.
3. The product of six and a number, divided by eight.
4. The product of three and a number increased by five is equal to twenty.
5. The product of two and a number increased by eight is equal to twenty-three.
Step-by-step explanation:
1. x-7
A number decreased by seven.
2. y+9
A number increased by nine.
3. 6m/8
The product of six and a number, divided by eight.
4. 3y+5 =20
The product of three and a number increased by five is equal to twenty.
5. 2(x+8)= 23
The product of two and a number increased by eight is equal to twenty-three.
Final answer is 20.7575
20.76 or 20.8 when rounded
