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3 years ago

HELP! Whoever gets it right gets brainliest!!

Mathematics

1 answer:

aleksandrvk [35]3 years ago

6 0

Answer:

D infitently Many

Step-by-step explanation:

A system of linear equations usually has a single solution, but sometimes it can have no solution (parallel lines) or infinite solutions (same line). This article reviews all three cases. One solution. A system of linear equations has one solution when the graphs intersect at a point.

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Two plus two plus four??

slega [8]

Answer:

you are indeed correct

Step-by-step explanation: lol thanks for the points

4 0

3 years ago

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Answer expression 1:<br><br> 6 x 7 - 3^2 x 9 + 4^3

skad [1K]

In order to get the answer to this question you will have to use PEMDAS and solve.

$6\times7-3^2\times9+4^3$

Using PEMDAS:

$3^2=3\times3=9$

$4^3=4\times4\times4=64$

$6\times7-9\times9+64$

$6\times7=42$

$9\times9=81$

$42-81+64$

$81+64=145$

$42-145$

$42-145=-103$

$=-103$

Therefore your answer is "-103."

Hope this helps.

5 0

4 years ago

Read 2 more answers

Find the equation of the line passing<br> through the points (3,3) and (4,5).<br> y = [? ]x +[ ?]

muminat

$\bf (\stackrel{x_1}{3}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{4}~,~\stackrel{y_2}{5}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{5}-\stackrel{y1}{3}}}{\underset{run} {\underset{x_2}{4}-\underset{x_1}{3}}}\implies \cfrac{2}{1}\implies 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{3}=\stackrel{m}{2}(x-\stackrel{x_1}{3}) \\\\\\ y-3=2x-6\implies y=2x-3$

3 0

3 years ago

480kg of concrete mix. sand and gravel in the ratio 1:3:4

Anestetic [448]

Answer:

Step-by-step explanation:

1+3+4 = 8

480 / 8 = 60

60 x 1 = 60 (concrete)

60 x 3 = 180 (sand)

60 x 4 = 240 (gravel)

60:180:240

4 0

3 years ago

100 POINTS!

Debora [2.8K]

Answer:

A, B, D

Step-by-step explanation:

A random sample is one in which every member of the population has an equal chance of being chosen.

If employees are chosen out of a hat, or balls are drawn from a bowl, each has an equal chance of being chosen.

Samples selected through volunteering, or where not everyone has an equal chance of being selected, is not random.

8 0

3 years ago