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ioda
2 years ago
8

The sum of twice a number and 8 is 44. what's the number? show your work.

Mathematics
1 answer:
mezya [45]2 years ago
3 0

Answer:

18

Step-by-step explanation:

We can work backwards with this and take 44-8=36

Then we divide it by two and thats 18

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Miguel has triple David's money, while Lisbeth has ten dollars less than David. The sum of their money totals $95. How much mone
ahrayia [7]

Answer:

Miguel has $63

Lisbeth has $11

David has $21

Step-by-step explanation:

let Miguel share be M

let Lisbeth share be L

let David share be D

from the question, we know that

M=3D

L=D-10.

M+L+D=95

thus,

3D+(D-10)+D= 95

3D+D-10+D= 95

5D-10 = 95

5D= 95+10

5D= 105

D= 105/5

D= 21.

thus,

M = 3D = 3×21

= $63

L = D-10 = 21-10

= $11

(63+21+11)$ = $95

3 0
3 years ago
- 7.5 divided by - 2.5
amm1812
-7.5 / -2.5 = 3

------------
8 0
3 years ago
What is the solution to the equation <br> 13×3/4+x=7(1/4)
yan [13]
I'm going to assume you mean:

13 * (3/4) + x = 7 * (1/4)

Let's go ahead and simplify the right side.

7 * (1/4) = 1.75

So now we have:


13 * (3/4) + x = 1.75

Now let's take care of the right side. Multiplication before addition.

13 * (3/4) = 9.75

9.75 + x = 1.75

To isolate x, we subtract 9.75 from both sides.

9.75 - 9.75 + x = 1.75 - 9.75

x = -8

Hopefully I spaced this well. \('-')/
5 0
3 years ago
Trigonometry<br><br> cos62 x 12
zlopas [31]

Answer:

See explanation

Step-by-step explanation:

cos62˚ ≈ 0.469

0.469 x 12 = 5.628

4 0
3 years ago
42 is 9 more than 3 times a number. what is the number?
yuradex [85]
Equation: 3x+9=42

3x=42-9=33

<span>Answer: x=33/3=11


Hope this helps!!
</span>
3 0
2 years ago
Read 2 more answers
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