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Anon25 [30]
4 years ago
7

Christopher is 20 years younger than Ishaan. Ishaan and Christopher first met two years ago. Fourteen years ago, Ishaan was 3 ti

mes as old as Christopher.
How old is Christopher now?
Mathematics
2 answers:
olga55 [171]4 years ago
6 0
<span>Two years ago, Ishaan was 42 and Christopher was 22.

</span>
aliina [53]4 years ago
3 0
Present: Ishaan = Christopher + 20       - Equation 11 years back: Ishaan-14 = 3(Christopher-14)    - Equation 2 Solve above equations: I = 3c-42+14I = 3c-24I = c+20 2c-44 = 0 Christopher = 22  then from Equation 1Ishaan = 22 + 20 = 42
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Help if you know thanks
Yanka [14]

Answer:

x = -1/2  x=-1

Step-by-step explanation:

2x( x+1.5) = -1

Distribute

2x^2 + 3x = -1

Add 1 to each side

2x^2 +3x+1 = 0

Factor

(2x+1) (x+1) =0

Using the zero product property

2x+1 = 0   x+1=0

2x = -1    x=-1

x = -1/2  x=-1

7 0
3 years ago
Read 2 more answers
-0.6 ÷ 3/4<br>1. 0.8<br>2. -0.8<br>3. -0.15<br>4. 0.15​
Delicious77 [7]
You answer is the second one which is -0.8
5 0
3 years ago
Evaluate the following expression. “12 more than 5”
Sonbull [250]
When you evaluate the expression “12 more than 5” you would get the product of 60.
5 0
3 years ago
Use the formula for compound amount:$14,800 at 6% compounded semiannually for 4 years
GalinKa [24]

SOLUTION

Given the question in the question tab, the following are the solution steps to answer the question.

STEP 1: Write the formula for calculating compound amount

A=P(1+\frac{r}{n})^{nt}

where

A = final compounded amount

P = initial principal balance

r = interest rate

n = number of times interest applied per time period

t = number of time periods elapsed

STEP 2: Write the given data

Semiannually means that n will be 2

P=14,800,r=\frac{6}{100}=0.06,n=2,t=4

STEP 3: Calculate the compound amount

\begin{gathered} A=14800(1+\frac{0.06}{2})^{2\times4}\Rightarrow A=14800(1+0.03)^{2\times4} \\ A=14800(1.03)^8 \\ A=14800\times1.266770081 \\ A=\text{\$}18,748.1972 \end{gathered}

Hence, the compounded amount after 4 years is $18,748.1972

6 0
1 year ago
Express 80 as a product of its prime factors, write the prime numbers in accending order
Alex73 [517]

Answer:

80 as a product of prime numbers can be expressed as 2×2×2×2×5

4 0
2 years ago
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