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Natasha_Volkova [10]
3 years ago
9

2

Mathematics
1 answer:
MariettaO [177]3 years ago
4 0

9514 1404 393

Answer:

  2x +1 = 2x +3

Step-by-step explanation:

For there to be no solution, the coefficients of x must be the same, and the constants must be different. One possible choice of numbers is shown above.

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Solve the system.<br> x = y +2 <br> 3x = 6 (y + 2)
Zielflug [23.3K]

Answer:

(x , y)=(0 , -2)

Step-by-step explanation:

5 0
1 year ago
36. The average height of two cupboards is 1.5 metres. If cupboard B's height
Debora [2.8K]

Answer:

2m

Step-by-step explanation:

2 * 1.5 = 3, the total height

we know that there are three metres total and 1 is half the other, so we divide 3m by 3 = 1m, the height of B,

as A = 2B, A = 2m

4 0
3 years ago
What is the length of BD?
I am Lyosha [343]

Answer:

10\sqrt{3}

Step-by-step explanation:

<u>Trigonometric Ratios </u>

This problem will be solved by the use of a trigonometric ratio called sine because it relates the opposite side of a given angle with the hypotenuse of the triangle.

Selecting the angle of 60° in triangle ABD:

<em>Sine Ratio </em>

\displaystyle \sin 60^\circ=\frac{\text{opposite leg}}{\text{hypotenuse}}

\displaystyle \sin 60^\circ=\frac{BD}{20}

Solving for BD:

\displaystyle BD=20\sin 60^\circ

Since

\sin 60^\circ=\frac{\sqrt{3}}{2}

\displaystyle BD=20\frac{\sqrt{3}}{2}

Simplifying:

\boxed{\displaystyle BD=10\sqrt{3}}

4 0
2 years ago
Can you help me with number 6? Please
wel
All I know is that m=9 and p=1
5 0
2 years ago
Read 2 more answers
How many terms are in this expression? -3x +1 +4y-7*<br><br> 6<br> 4<br> 2
dybincka [34]

Answer:

4

Step-by-step explanation:

4 0
3 years ago
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