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salantis [7]
3 years ago
10

Which statement makes the open sentence true 2x-7= -1

Mathematics
1 answer:
oee [108]3 years ago
6 0

Answer:

3

Step-by-step explanation:

if you plug in 3 for x, it becomes 2(3)-7=-1

then 6-7=-1

-1=-1

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Solve for x.
konstantin123 [22]

Answer:

The value of x = 9

Step-by-step explanation:

Angle Bisector Theorem

An angle bisector of a triangle would cut the opposite side into two segments that are proportional to the other two sides of the triangle.

Thus,

\frac{x}{15}=\:\frac{12}{20}

Cross Multiply the expression

\:20\times x=12\times 15

Divide both sides by 20

\frac{20x }{20}=\frac{180}{20}

x=9

Therefore, the value of x = 9

5 0
3 years ago
Plsss helpppp what’s the shape?
Alborosie
The shape shown here is a triangular pyramid, because it has a triangular base and a pointy tip.
4 0
3 years ago
How many solutions does this linear system have?
gayaneshka [121]

Answer:

One solution: (2.5,0)

Step-by-step explanation:

We can use substitution for the solution. Substitute y=2x-5 to -8x-4y=-20 so that you end up with -8x-8x+20=-20. Next you want to add like terms which will be -16x+20=-20, next you want isolate x by subtracting 20 from both sides and leaves you with -16x=-40. Divide -16 on both sides to fully isolate x and will leave you with x=2.5. Now substiture in 2.5 for x in y=2x-5 to get y=2(2.5)-5 which will then lead to y=0.

4 0
3 years ago
Your princpal has decided to provide a treat to everyone in your grade before thanksgiving break-ice cream bars! One box contain
Assoli18 [71]

Answer:

8 boxes approx

Step-by-step explanation:

Step one:

given data

One box contains 48 bars

Required

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Step two:

this can be gotten by dividing 338 by the number of the bar in a box

= 338/48

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3 years ago
4/6 + 1/12. Quick answer.
Fynjy0 [20]

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6 0
3 years ago
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