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elena-14-01-66 [18.8K]

2 years ago

7

Justin loans his uncle $2,500. He charges 6.5% simple interest. His uncle pays him back in 2.5 years. How much interest does his

uncle pay?

2 answers:

ss7ja [257]2 years ago

7 0

What do you mean by charges 6.5 who is charges

ExtremeBDS [4]2 years ago

3 0

I think 600 I’m not sure tho

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What is the amplitude, period, and phase shift of y= 5cos( x/2 + 2pi/3)

nordsb [41]

Y = A cos(Bx + C)
A - amplitude
$\frac{2\pi}{B}$ - period
$- \frac{C}{B}$ - phase shift

$y=5\cos{( \frac{x}{2} + \frac{2\pi}{3} )}
\\
\\y=5\cos{( \frac{1}{2}x + \frac{2\pi}{3})}
\\
\\A=5,B= \frac{1}{2},C= \frac{2\pi}{3}$

Amplitude: 5
Period: $\frac{2\pi}{B}=\frac{2\pi}{\frac{1}{2}}=4\pi$
Phase shift: $- \frac{C}{B} =- \frac{\frac{2\pi}{3}}{\frac{1}{2}}= -\frac{4\pi}{3}$

3 0

2 years ago

The digits of a certain three-digit number are consecutive odd numbers. If the sum of the digits is 15, find the number.

scoray [572]

The answer is 5 because it is consecutive 3 times and it is an odd number

3 0

3 years ago

Read 2 more answers

Let g(x) = − x² + 4x + 5. Find g(p).

Vikentia [17]

That would be = -p^2+4p+4

5 0

1 year ago

Zen spent $255 on a bag and a belt. She wanted to buy another

Galina-37 [17]

Answer:

A)$ 45

B) $105

Step-by-step explanation:

Bag and a belt cost $255

Let bag = x

Let belt = y

X+y= 255 equation 1

Let total money be z first

Remaining money= z-255

X-30 = z-255

Y +15 = z-255

Equating the left side of the equation

X+30 = y+15

X-y= 45 equation 2

Solving simultaneously

X+y= 255

X-y= 45

2x = 300

X= 150

If x= 150

150-y= 45

150-45= y

105=y

Bag = $150

Belt = $105

Bag Is 150-105 more than the belt

150-105= $45

8 0

2 years ago

Find the distance between each pair of points<br> 8) (2, 6), (5, 10)<br> 9) (-3,-10), (-3,5)

Lapatulllka [165]

Answer:

8) answer=5 9)answer=15

Step-by-step explanation:

all you have to do is replace in the following formula

$\sqrt{(x2-x1)^{2}+ (y2-y1)^{2}} =d$

Where

X1: is the first number of the first point

Y1: is the second number of the first point

X2: is the first number of the second point

Y2: is the second number of the second point

you replace in the formula and solve

I attach solution

4 0

2 years ago