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Alchen [17]
3 years ago
7

What is the value of x?​

Mathematics
1 answer:
exis [7]3 years ago
4 0

Step-by-step explanation:

x-4+3x+100=180

4x+96=180

4x=84

x=21

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Ronald measured a house and its lot and made a scale drawing. The front patio, which is 14 meters wide in real life, is 7 millim
zhannawk [14.2K]

Answer:

2 metre= 1millimetre

Step-by-step explanation:

From the measurement of the house The front patio, is 14 meters wide in real life, is 7 millimeters wide in the drawing

Real life= 14 meters

Drawing= 7 millimeters,

The scale he used is 2 metre= 1millimetre

Which means he magnify the drawing by scale of 2 metre to get the real life structure.

✓Let us clarify it

14 meters = 7 millimeters

2 metre= x millimeter

If we cross multiply

7 millimeters× 2 metre= 14 metre × X millimeters

Make X subject of the formula we have

X= 1millimetres

3 0
3 years ago
Which linear inequality is represented by the graph?
ozzi

Answer:

B

Step-by-step explanation:

3 0
3 years ago
You need to solve a system of equations. You decide to use the elimination method. Which of these is not allowed? 2x - 3y = 12
suter [353]

Answer:

A.

Step-by-step explanation:

The Elimination Method is the method for solving a pair of linear equations which reduces one equation to one that has only a single variable.

If the coefficients of one variable are opposites, you add the equations to eliminate a variable, and then solve.

If the coefficients are not opposites, then we multiply one or both equations by a number to create opposite coefficients, and then add the equations to eliminate a variable and solve.

When multiplying the equation by a coefficient, we multiply both sides of the equation (multiplying both sides of the equation by some nonzero number does not change the solution).

So, option B is not allowed (it is not allowed to multiply only one part of the equation)

6 0
2 years ago
Find the missing side length.
Salsk061 [2.6K]

Answer:

5cm+6cm=11cm

Step-by-step explanation:

Adding the two,

5 0
2 years ago
Solve for n <br> 3n-2=2n<br> N=
krek1111 [17]

Answer:

Hey there!

3n-2=2n

n-2=0

n=2

Let me know if this helps :)

7 0
3 years ago
Read 2 more answers
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