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qwelly [4]
3 years ago
13

1/3D + 10 = 3/5 d Solve pls

Mathematics
1 answer:
ryzh [129]3 years ago
8 0

Answer:

1/3D + 10 = 3/5D

10 = 3/5 D ÷ 1/3 D

10 = 3D/5 ÷ D/3

10 = 3D/5 × 3/D

(btw there is no cross cancleing, just straight up multiply.)

<u>next</u>

10 = 9D/5D

cancel the 10 and 5D to make 10 to 2, and 5d to D.

Next, cancel both the D's (the 9d and the d (the d becomes 1 which is  just 9 over nothing. translates to just a simple 9.))

there is a 2 on the opposite side of the 9, so bring it under 9. so 9/2

then divide to get 4.5

4.5 is the answer!

Mark me brainliest if it is correct!

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How many
Westkost [7]

Answer:

There are no solutions

Step-by-step explanation:

4/5 ( 20x + 5 ) = 16x - 2

Distibute on the left:

( 4/5 x 20 x ) + ( 4/5 x 5 ) = 16x - 2

16x + 4 = 16x - 2

Subtract 16x from both sides:

4=-2

Add 2 to each side:

6=0

No solutions

8 0
2 years ago
Read 2 more answers
2. A restaurant employs five people. The two cooks work 36 hours
Cloud [144]

Answer:

Total amount = R5112

Step-by-step explanation:

Let the cooks be C.

Let the waiters be W.

Given the following data;

Number of cooks, C = 2

Number of waiters, W = 3

a. To find the amount earned by each cook;

C = 36 * R36 = R1296

b. To find the amount earned by each waiter;

W = 30 * R28 = R840

c. To find the total amount earned by the employees;

Total amount = 2C + 3W

Total amount = 2(1296) + 3(840)

Total amount = 2592 + 2520

Total amount = R5112

4 0
2 years ago
Find the solution to the following system using substitution or elimination:​
raketka [301]

Answer:

B) (3,1)

Step-by-step explanation:

y = -2x + 7

y = 3x - 8

3x - 8 = -2x + 7

combine like terms:

5x = 15

divide both sides of the equation by 5:

x = 3

y = 3(3) - 8 = 1

4 0
3 years ago
Which figure shows an example of symmetry?<br> A.<br> B.<br> C.<br> D.
Burka [1]

Answer:

D

Step-by-step explanat:

7 0
3 years ago
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What value of n makes the equation 2(n+1)=-3(n-8)+3 true
LekaFEV [45]
<h3>Solution:</h3>

2(n + 1) =  - 3(n - 8) + 3 \\  =  > 2n + 2 =  - 3n + 24 + 3 \\  =  > 2n + 3n = 24 + 3 - 2 \\  =  > 5n = 25 \\  =  > n =  \frac{25}{5}  \\  =  > n = 5

<h3>Answer:</h3>

5

<h3>Hope it helps.</h3>

ray4918 here to help

4 0
3 years ago
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