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2 years ago

PLEASE HELP ASAP PLZ EXPLAIN

Mathematics

1 answer:

Alekssandra [29.7K]2 years ago

4 0

Answer:

the left graph is wrong because the years don't follow a pattern. usually they're suppose to go up by the same number each time. The left graph represent data better because it goes up by 10 years each time.

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sam used 6 loaves of elf bread on an 8 day hiking trip. he wants to know how many loaves of elf bread (b) he should pack for a 1

Tems11 [23]

Answer:

He should pack 9 loaves of bread for a 12 day hiking trip if he eats the same amount of bread each day.

Step-by-step explanation:

Hint- This can be solved by Unitary method.

Sam used 6 loaves of elf bread on an 8 day hiking trip.

or in an 8 days trip he used 6 loaves of bread,

so in 1 day he would use $\dfrac{6}{8}$ loaves of bread,

so in a trip of 12 days he would use $\dfrac{6}{8}\times 12=9$ loaves of bread.

Therefore, he should pack 9 loaves of bread for a 12 day hiking trip if he eats the same amount of bread each day.

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2 years ago

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What is the solution to the system of equations graphed below?

Mariulka [41]

Answer:

it is (-4,8)

Step-by-step explanation:

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2 years ago

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Someone help pls! Step by step pls

Rom4ik [11]

That’s how you plug it in and get the answer because when you plug in z and y value correctly you just have to follow the rule and simplify
So final answer would be +2

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2 years ago

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Tell whether the ordered pair is a solution of the given system. (-2,-4) {y=1/2x -3, y=-2x-8}

kompoz [17]

Answer:

The ordered pair $(-2,\, -4)$ is indeed a solution to the system:

$\left\lbrace\begin{aligned} & y = \frac{1}{2}\, x - 3 \\ & y = -2\, x - 8\end{aligned}\right.$ .

Step-by-step explanation:

Consider a system of equations about variables $x$ and $y$ . An ordered pair $(x_{0},\, y_{0})$ (where $x_{0}$ and $y_{0}$ are constant) is a solution to that system if and only if all equations in that system hold after substituting in $x = x_{0}$ and $y = y_{0}$ .

For the system in this question, $(-2,\, -4)$ would be a solution only if both equations in the system hold after replacing all $x$ in equations of the system with $(-2)$ and all $y$ with $(-4)$ .

The $\texttt{LHS}$ of the equation $y = (1/2)\, x - 3$ would become $(-4)$ . The $\texttt{RHS}$ of that equation would become $(1/2) \, (-2) - 3$ . The two sides are indeed equal.

Similarly, the $\texttt{LHS}$ of the equation $y = -2\, x - 8$ would become $(-4)$ . The $\texttt{RHS}$ of that equation would become $(-2)\, (-2) - 8$ . The two sides are indeed equal.

Thus, $x = (-2)$ and $y = (-4)$ simultaneously satisfy both equations of the given system. Therefore, the ordered pair $(-2,\, -4)$ would indeed be a solution to that system.

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1 year ago

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kondaur [170]

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1. C

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