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2 years ago

URGENT! PLEASE HELP!!!!

Mathematics

1 answer:

Setler [38]2 years ago

8 0

Bae is the solution to this question

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What is the answer to -3(-2x+1)

olchik [2.2K]

Answer:

6x-3.

Step-by-step explanation:

-3(-2x+1) : distribute the -3 to "-2x" and "1."

6x-3: this is the answer.

7 0

3 years ago

Use substitution to solve each system of equations 6x-3y=-6 y=2x+2

Masteriza [31]

You would plug y=2x+2 in for y in 6x-3y=-6

6x-3(2x+2)=-6

4 0

3 years ago

What is the equation of the line that passes through (1, 2) and is parallel to the line whose equation is 2x + y - 1 = 0?

Dmitry_Shevchenko [17]

Step-by-step explanation:

since the coefficient is the same for the fist three they have the same equation.

the reason: there can only be one line that goes through one point with a specific coefficient.

7 0

2 years ago

Suppose , varies jointly with g and v, and j = 2 when g = 4 and v= 3.

kap26 [50]

Answer:

j = 44/3

Step-by-step explanation:

j varies jointly as g and v. This can be represented mathematically as:

$j \alpha gv\\j = kgv$ .............(1)

Where k is a constant of proportionality

j = 2 when g = 4 and v = 3

Substitute these values into equation (1)

2 = k * 4 * 3

2 = 12 k

k = 1/6

when g = 8 and v = 11:

j = (1/6) * 8 * 11

j = 44/3

7 0

3 years ago

Select the postulate or theorem that you can use to conclude that the triangles are similar.

insens350 [35]

Answer: SAS similarity postulate

Step-by-step explanation:

According to SAS postulate of similarity, two triangles are called similar if two sides in one triangle are in the same proportion to the corresponding sides in the other, and the included angle are congruent.

In triangles, QNR and MNP,

$\frac{QN}{MN} = \frac{QM+MN}{MN} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}$

$\frac{NR}{NP} = \frac{NP+NR}{NP} = \frac{10+8}{8} = \frac{18}{8} = \frac{9}{4}$

$\implies \frac{QN}{MN} = \frac{NR}{NP}$

Also,

$\angle QNR\cong \angle MNP$ (Reflexive)

Thus, By SAS similarity postulate,

$\triangle QNR\sim\triangle MNP$

⇒ Option first is correct.

8 0

3 years ago