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Svetach [21]
3 years ago
7

-5 + x = -15 help me​

Mathematics
2 answers:
ki77a [65]3 years ago
6 0

Answer:

-20

Step-by-step explanation:

-5+x=-15

Subtract -5 from both sides

-15-5=-20

X=-20

Thepotemich [5.8K]3 years ago
5 0

Answer:

x = -10

Step-by-step explanation:

Move all terms not containing x to the right side of the equation

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jenna is running a trail that is 8 and 4/7 miles long. if she finished 5/9 of the distance about how far has she run?
Julli [10]
Trail is 8 and 4/7
she ran 4/7 of it


convert 8 and 4/7 to improper for ease
8 and 4/7=8+4/7=56/7+4/7=60/7
4/7 of 60/7=
4/7 times 60/7=
240/49=
196/49+44/49=
4 and 44/49

she ran 4 and 44/49 miles



3 0
3 years ago
What are the solutions of 2x^2+3x-7=x^2+5x+39
sveticcg [70]

Answer:

{x}^{2}  - 2x - 46

Step-by-step explanation:

{2x}^{2}  + 3x -  7 =  {x}^{2}  + 5x + 39

Collect like terms

{2x }^{2}  -  {x}^{2}  + 3x  - 5x - 7 - 39

{ x}^{2}  - 2x - 46

7 0
4 years ago
20 points! will mark brainliest!
Anestetic [448]

Answer:

Height of Tower = 41.8901 ft

Base to Ground Wire = 94.0905 ft

Step-by-step explanation:

So you want to find the opposing side of the angle, as well as the distance from the base to where the wire is attached to the ground. You would need to use CAH to find the ground, and SOH to find the height. To find the height or opposite, take the Sine of 24°, 0.4067, and times it by your hypoteneuse 103 to get an exact height of 41.8901 ft. Next, use the Cosine of 24°, 0.9135, and times that by your hypoteneuse 103 to get 94.0905 ft.

Here are the equations:

sin(24)=\frac{h}{103}

cos(24)=\frac{h}{103}

3 0
3 years ago
Same test, similar question! please help!
soldier1979 [14.2K]

Answer:

Idg

Step-by-step explanation:

Please Explain in the comments

7 0
3 years ago
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Two seniors one from each government class are randomly selected to travel to washington dc. wes is in a class of 18 students an
Fantom [35]
Hey there!

\dfrac{1}{18}  \times  \dfrac{1}{20}  \\  =  \dfrac{1}{360}

Answer is 1/360, or in decimal form 0.0028.

Hope this helps. - M
8 0
4 years ago
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