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Kryger [21]
3 years ago
11

NEED help with homework

Mathematics
1 answer:
Amiraneli [1.4K]3 years ago
3 0
42.7/7= 6.1
36.48/6=6.08
7.29/9=0.81
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When you reverse the digits in a certain two-digits number you increase its value by 36. What is the number if the sum of its di
Zanzabum
The number is 37. 73-37=36 and 7+3 = 10
6 0
3 years ago
Please explain the steps in order to solve the equation 2x+5y=28 when x=4
padilas [110]

Answer:

Step-by-step explanation:

Plug in 4 for x

2(4) + 5y = 28

8 + 5y = 28 (subtract both sides by 8)

5y = 20 (divide both sides by 5)

y = 4

6 0
3 years ago
The sum of two numbers is 35 the smaller number is 7 less than the larger number what are the numbers
Keith_Richards [23]

14 and 21

14 + 7 is 21 and 21 + 14 is 35.

5 0
3 years ago
The half-life of iron-52 is approximately 8.3 hours. Step 1 of 3: Determine a so that A(t)=A0at describes the amount of iron-52
Viktor [21]

Answer:

<h2 />

Step-by-step explanation:

Given the half like of a material to be 8.3 hours and the amount of iron-52 left after t hours is modeled by the equation A(t) = A_0 a^{t}, we can get A(t) as shown;

At t = 8.3 hours, A(8.3) = 1/2

Initially at t = 0; A(0) = 1

Substituting this values into the function we will have;

\frac{1}{2} = 1 * a^{8.3}\\\\Taking \ the \ log \ of\ both \ sides;\\\\log(\frac{1}{2} ) = log(a^{8.3} )\\\\log(\frac{1}{2} ) = 8.3 log(a)\\\\\fr-0.30103 = 8.3 log(a)\\\Dividing\ both\ sides\ by \ 8.3\\\\\frac{-0.30103}{8.3}  = log(a)\\\\log(a) = - 0.03627\\\\a =10^{-0.03627} \\\\a = 0.919878 (to\ 6dp)

4 0
3 years ago
Find the value of x<br> Round to the nearest tenth
Ira Lisetskai [31]

Answer:

50

Step-by-step explanation:

use a ruler

6 0
4 years ago
Read 2 more answers
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