Answer:
80 is what I got
Step-by-step explanation:
Answer: $340
Step-by-step explanation:
$800 - $120 = $680
1/2 of $680 is $340
Hope this helps!
Answer:
The first three terms are -30, -27 and -24
Step-by-step explanation:
The formula for nth term of a arithmetic series is given by:
aₙ = a₁ + (n - 1)d
Substitute n = 16 in the given equation:
a₁₆ = a₁ + (16 - 1)d
Where aₙ = a₁₆ = 15. Substitute in the given equation
15 = a₁ + 15d ⇒ Equation (i)
Sum of arithmetic sequence is given by:
Sₙ = n(a₁ + aₙ) / 2
Substitute n = 16 in the above equation:
S₁₆ = 16(a₁ + a₁₆) / 2
Where S₁₆= -120 and a₁₆=15, substitute:
-120 = 16(a₁ + 15)/2
-240 = 16(a₁ +15)
-15 = a₁ + 15
a₁ = -30
Substitute it in Equation (i)
15 = a₁ + 15d
15 = -30 + 15d
15d = 15+30
d = 45/15
d = 3
So
a₁ = -30
a₂ = a₁ + (2-1)d
a₂ = -30 + 3
a₂ = -27
a₃ = a₁ + (3-1)d
a₃ = a₁ + 2d
a₃ = -30 + 2(3)
a₃ = -30 +6
a₃ = -24
The statement "151.8 is what percent of 69 is expressed as 0.69p = 151.8
<h3>Equations and expressions</h3>
Equations are expressions separated by an equal sign. Words can be translated to equations.
Let the unknown variable be "p". If p percent of 69is 151.8, this is expressed as;
p% of 69 = 151.8
Convert to decimals
p/100 * 69 = 151.8
0.01p * 69 = 151.8
0.69p = 151.8
Hence the statement "151.8 is what percent of 69 is expressed as 0.69p = 151.8
Learn more on equations here: brainly.com/question/2972832
#SPJ1
The amount John have left after purchase is $10.8.
<h3 /><h3>Amount John have left</h3>
John earned $45.90 during the summer break.
He used 1 / 6 of the money to buy trading card. Then he used the following amount to buy the trading card.
Then, he used 3/5 of the remaining amount to buy a sketchbook, and also spends $4.50. Therefore, the total he spends can be computed as follows:
- 3 / 5 × (45.90 - 7.65) + 4.50 = 22.95 + 4.50 = $27.45
So, He spent
- $7.65 on trading cards
- $22.95 on sketch book
- $4.50 on comic book.
The amount he has left = 45.90 - 7.65 - 22.95 - 4.50 = $10.8
learn more on fraction here: brainly.com/question/3582128?referrer=searchResults
