3 years ago

Help me with this word problem plz

Mathematics

1 answer:

yuradex [85]3 years ago

6 0

Answer:

can you take another pic. its blurry.

Step-by-step explanation:

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The total cost of 1 pencil and 2 erasers is £8, and the total cost of 2 pencils and 4 erasers is £20, as shown below:

Paul [167]

Answer:

see explanation

Step-by-step explanation:

The 2 equations are

x + 2y = 8 → (1)

2x + 4y = 20 → (2)

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3 years ago

What value of x makes this equation true?<br> 0.6x – 5 = 0.1x + 7

kari74 [83]

Answer:

x=24,sorry if im wrong:/

Step-by-step explanation:

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3 years ago

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The vertex of this parabola is at (-4, -1). When the y-value is 0, the x-value is 2. What is the coefficient of the squared term

satela [25.4K]

$\bf \qquad \textit{parabola vertex form}\\\\
\begin{array}{llll}
\boxed{y=a(x-{{ h}})^2+{{ k}}}\\\\
x=a(y-{{ k}})^2+{{ h}}
\end{array} \qquad\qquad vertex\ ({{ h}},{{ k}})\\\\
-------------------------------\\\\
y=a(x-(-4))^2-1\implies y=a(x+4)^2-1
\\\\\\
\textit{now, we also know that }
\begin{cases}
y=0\\
x=2
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solve for "a"

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3 years ago

Based on the data in this two-way table, if a flower is picked at random, what is the probability of getting a yellow flower?

Marysya12 [62]

Answer:

3/7

Step-by-step explanation:

(# yellow)/(total #) = 135/315 = 3/7

The probability that a randomly chosen flower will be yellow is 3/7.

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4 years ago

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Two BLARBs equal one BLABB. Three BLABBs equal ten BLALBs, and one BLALB equals two BABs. How many BABs equal 6 BLARBs?

puteri [66]

6 barbs =22 as your answer

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3 years ago