3 years ago

6. The soil profile shows *

Mathematics

1 answer:

Olenka [21]3 years ago

3 0

Answer:

B. three distinct layers of soil.

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David has 20 coins he gave some coins to Peter David had 8 coins left. How many coins did David give to Peter?

abruzzese [7]

Answer:he only has 8 coins left

Step-by-step explanation:

20--?=8

8+12=20

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3 years ago

PLEASE HELP ME FIND X please I really need help

Liono4ka [1.6K]

Answer:

is this a multiple-choice type thing or type-in? If multiple-choice, what answers are given?

Step-by-step explanation:

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3 years ago

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Which fraction is equivalent to <img src="https://tex.z-dn.net/?f=%5Cfrac%7B21%7D%7B28%7D" id="TexFormula1" title="\frac{21}{28}

BaLLatris [955]

$\dfrac{21}{28}=\dfrac{21:7}{28:7}=\dfrac{3}{4}\to\boxed{C}$

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3 years ago

What is the product of<br> 9/20 - 1/4

wlad13 [49]

Answer:

$\frac{1}{5}$

Step-by-step explanation:

$\frac{9}{20} - \frac{1}{4}$

Make sure they have a common denominator. To do so, you must find a number the both have in come. Here, the number they have in common is 20.

What times 4 equals 20? 5. Whatever you do to the denominator you must do to the numerator.

$\frac{5}{5}$ × $\frac{1}{4}$ = $\frac{5}{20}$

Now you have $\frac{9}{20} - \frac{5}{20}$ = $\frac{4}{20}$

Then you can simplify $\frac{4}{20}$ to $\frac{1}{5}$ by dividing it by $\frac{4}{4}$

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3 years ago

Inez Alexander has a car loan of $425 per month at 5.5% annual interest rate. She would like to pay off the car one year early.

Kitty [74]

The formula of the present value of annuity ordinary is
Pv=pmt [(1-(1+r/k)^(-kn))÷( r/k)]
Pv present value?
PMT monthly payment 425
R interest rate 0.055
K compounded monthly 12
T time 1 year

Pv=425×((1−(1+0.055÷12)^(
−12))÷(0.055÷12))
=4,951.26

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3 years ago