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Alja [10]
3 years ago
7

Please help me with this! worth 30 points!!

Mathematics
1 answer:
tia_tia [17]3 years ago
4 0

Answer:

A. yes

b. No

c. YEs

d.No

Step-by-step explanation:

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Is 3.5 a rational number
Olegator [25]

Answer:

Yes

Step-by-step explanation:

3.t can be written as a fraction, which is 7/2, so yes it is a rational number.

6 0
3 years ago
Evaluate the following expression for I = 15.<br> O O<br> A. 145<br> © B. 41<br> What’s the answer
zhenek [66]
The answer is A.145 i wrote down the answers and it told me i was right
7 0
3 years ago
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Adelphi is 34.3 miles east of sterling. The distance between Adelphi and sterling is
Nikolay [14]

Answer:

34.3 miles

Step-by-step explanation:

34.3 miles

4 0
3 years ago
Read 2 more answers
X² + y² = 34<br>x + y =8​
Nataly [62]

Step-by-step explanation:

{x}^{2}  +  {y}^{2}  = 34 \\ x + y = 8 \\ x = 8 - y \\ substitute \: x \: in \\  {x}^{2}  +  {y}^{2}  = 34 \\  {(8 - 4)}^{2}  +  {y}^{2}  = 34 \\  {(8 - 4) }^{2}  =  {y}^{2}  - 16y + 64 \\   {y}^{2}  - 16y + 64 +  {y}^{2}  = 34 \\  {2y}^{2}  - 16y + 64 = 34 \\ {2y}^{2}  - 16y + 64  - 34 = 0 \\  {2y}^{2}  - 16y + 30 = 0 \\ 2 {y}^{2}  - 6y - 10y + 30 = 0 \\ (2 {y}^{2}  - 6y) - (10y + 30) = 0 \\ 2y(y - 3) - 10(y - 3) = 0 \\ (2y - 10)(y - 3) \\ 2y = 10 \\ y  = \frac{10}{2}  \\ y = 5 \\ or \\ y = 3 \\ if \: y = 5 \:  \: x = 3 \\ if \: y = 3 \:  \:  x = 5

4 0
3 years ago
Write three different integer addition expressions that equal –5.
podryga [215]

Answer:

1. 5 + (-10)

2. -8 + 3

3. -7 + 2

5 0
3 years ago
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