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3 years ago

Which operation should you perform first in the expression 15 + 7 × (5 − 3) × 4^{2} [/tex] ÷ 6?

Mathematics

2 answers:

const2013 [10]3 years ago

5 0

The answer is D, hope this helps

zlopas [31]3 years ago

3 0

Exponent so 4^2 is the first step

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“If a population is growing at a rate of 3% per year, how long will it take to double? Show work.”

LenaWriter [7]

24 yrs, might not be the answer

3%=0.03 you have to get to 6%=0.06

So you find the value of each month in 3%

So 3% divided by 12 months = 0.0025

Now you have the value of each month MULTIPLY until you get 0.06
So: 0.0025 x 1, 2, 3, 4,…….. and so forth

So the your result will be

0.0025per months x 24yrs = 0.06 = 6%

24 years

6 0

3 years ago

Evaluate the line integral, where C is the given curve. (x + 4y) dx + x2 dy, C C consists of line segments from (0, 0) to (4, 1)

zubka84 [21]

Parameterize the line segments (call them $C_1$ and $C_2$ , respectively, by

$\vec r_1(t)=(1-t)(0,0)+t(4,1)=(4t,t)$

$\vec r_2(t)=(1-t)(4,1)+t(5,0)=(4+t,1-t)$

both with $0\le t\le1$ . Then

$\displaystyle\int_C(x+4y)\,\mathrm dx+x^2\,\mathrm dy$

$=\displaystyle\int_0^1\bigg((4t+4t)(4)+(4t)^2(1)\bigg)\,\mathrm dt+\int_0^1\bigg((4+t+4(1-t))(1)+(4+t)^2(-1)\bigg)\,\mathrm dt$

$=\displaystyle\int_0^115t^2+21t-8\,\mathrm dt=\boxed{\frac{15}2}$

6 0

3 years ago

A toy store is ordering 3,000 remote control cars. The store can order the cars in sets of 10. How many sets of 10 does the stor

kirza4 [7]

If the store can only buy them in bulks of ten, then you take your number of desired cars (3,000) and divide it by the bulk amount (10) and it will give you your amount of bulk you need to buy to fulfill your desired amount of product (300). Simplified, you take your cars that they want, divide it by how many come in a set, and the answer will be how many sets they need to order. You need to use both the amount of desired cars and number of cars in a set as you primary information to solve this problem. Hope this helped!

3 0

3 years ago

Which expression shows how 8•54 can be rewritten using the distributive property ?

konstantin123 [22]

The distributive property is a(b+c) = ab + ac or a(b-c) = ab - ac

So here are some potential answers:

8(50 + 4) = 8·50 + 8·4

8(60 - 6) = 8·60 - 8·6

I prefer the first answer

8 0

4 years ago

In the table adam recorded the miles he travled each day while traveling from Florida to California. Calculate the average rate

blagie [28]

Hi!

To calculate the rate of change between days 4 and 6, we simply take those points, (4, 1503) and (6, 2196) and use the equation in the picture below:

Now, when we plug it in the equation, it looks like this:

$\frac{2196-1503}{6-4} = \frac{693}{2} = 346.5$

Therefore, your answer is 346.5 or, rounded, 347.

Meaning, your answer is C

Hope this helps and have a great day! :D

5 0

3 years ago