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3 years ago

A(3x-8)=b-18x What’s the value of a? What’s the value of b?

Mathematics

1 answer:

ioda3 years ago

8 0

Answer:

If the question comes from a textbook

Step-by-step explanation:

use slader

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Which matrix represents the system of equations shown below? 3x -7y=21

Serjik [45]

$\left\{\begin{array}{ccc}3x-7y=21\\4x+5y=11\end{array}\right \\\\.\ \ x\qquad y\ \ const.\\\left[\begin{array}{ccc}3&-7\\4&5\end{array}\right|\left\begin{array}{ccc}21\\11\end{array}\right]$

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3 years ago

Write an counter example for the statement: all square roots are rational numbers

krok68 [10]

That is not true. For example, if you take PI . Rounded is 3.14. But if you were to do the square root of pi then it would be an IRRATIONAL number. so it's false.

5 0

3 years ago

Read 2 more answers

Rewrite the expression 8×4×−2×3+8÷2 with parentheses to make this statement true: 8×4×−2×3+8÷2 = 25.

Margarita [4]

Answer:

Which statements are true about the figure? Select two options.

Line JM intersects line GK at point N.

Horizontal line G K intersects vertical line J M at point N, forming a right angle. A line extends from point N to L, down and to the right.

4 0

3 years ago

Math: -x + 6 is greater than or equal to 10

Alla [95]

Answer:

It is actually less than 10.

Step-by-step explanation:

7 0

3 years ago

Given: m∠p =47BD∥AC What is the m∠m? Put only the number. Do not label your answer.

Anettt [7]

Answer: $43\°$

Step-by-step explanation:

Observe the given figure.

You can identify that the measure of the angle "B" is:

$m\angle B=90\°$

Knowing this, you can conclude that the angle "p" and the angle "m" are Complementary angles, which means that the sum of their measures is 90 degrees. Then, you can write the following equation:

$m\angle p+m\angle m=90\°$ [Equation 1]

You know that:

$m\angle p=47\°$

Then you can substitute it into the [Equation 1] and then solve for $m\angle m$ . Therefore, you get:

$47\°+m\angle m=90\°\\\\m\angle m=90\°-47\°\\\\m\angle m=43\°$

3 0

3 years ago