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2 years ago

14

Five friends each buy a shirt that cost $15 and a pair of shoes that cost $50. Write an expression to show how much total money

they spent. Write the expression for this scenario using distributive property

1 answer:

Vika [28.1K]2 years ago

4 0

Answer:

5(50+15)=x

x being the total

Step-by-step explanation:

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Let f (x) = -1/2(x + 2)+ 5

bogdanovich [222]

Answer:

Rate of change = -1

Step-by-step explanation:

Given:

f(x) = -½(x + 2)² + 5

Required:

Average rate of change from x = -3 to x = 1

Solution:

Rate of change = $\frac{f(b) - f(a)}{b - a}$

Where,

a = -3,

f(a) = f(-3) = -½(-3 + 2)² + 5 = -½(-1)² + 5 = 4.5

b = 1,

f(b) = f(1) = -½(1 + 2)² + 5 = -½(9) + 5 = 0.5

Plug in the values into the formula:

Rate of change = $\frac{0.5 - 4.5}{1 - (-3)}$

Rate of change = $\frac{-4}{4}$

Rate of change = -1

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2 years ago

Y = -2, 3y-4 evaluate it please

Luba_88 [7]

the answer is -10 you just multiply 3 times -2 and then subract 4

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2 years ago

An account pays 6% compound interest. In year 1, the amount in the account is $70. How much is in the account in year 5?

kobusy [5.1K]

Answer:

$91 is the answer.

Step-by-step explanation:

R = 6%

P = $70

T = 5 year

now

I = PTR/100

=(70×5×6)100

= 2100/100

= $21

So,

I = A-P

21 = A-70

21+70 = A

so, A = $91

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The first bricklayer can build a wall in 15 days, and the second bricklayer can build the same wall in 10 days How long will it

viktelen [127]

Answer:

It will take both of the brick layers twelve and half days

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What is 425.919 rounded to the nearest whole number

Darya [45]

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3 years ago