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PSYCHO15rus [73]
3 years ago
5

Are these parallelograms why or why not

Mathematics
1 answer:
ale4655 [162]3 years ago
3 0

Answer:

Yes, because they both have two sets of parallel lines.

Hope that helps!

Step-by-step explanation:

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for a class of 24,78% of students got a B or better on the tex How many students is this? Round to a wholenumber
natita [175]

Step 1

Use the ratio of the number to the percentage to get the required answer.

\frac{Total\text{ number of students}}{\text{The required number of students}}=\frac{Total\text{ percentage of the class}}{\text{Given percentage}}

Where,

\begin{gathered} \text{The total number of students = 24} \\ \text{The required number }of\text{ students= x} \\ \text{The total percentage of the class = 100} \\ \text{Given percentage = 78} \end{gathered}

Step 2

Get the required answer

\begin{gathered} \frac{24}{x}=\frac{100}{78} \\ 100x=24\times78 \\ 100x=1872 \\ \frac{100x}{100}=\frac{1872}{100} \\ x=\text{ 18.72} \\ \text{Hence} \\ x\approx19students\text{ rounded to a whole number } \end{gathered}

The number of students that got B or a better grade on the test = 19 students rounded to a whole number.

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10 months ago
Rosena bought an 8 pack of donuts. The donuts cost $28.00 all together. What is the unit rate for the donuts in dollars?
san4es73 [151]

Answer:

$3.50

Step-by-step explanation:

I hope this helps!

3 0
2 years ago
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Which graph shows the points (−112, 12) and (1.5, −0.5) plotted correctly? On a coordinate plane, a point is 0.5 units to the ri
chubhunter [2.5K]

Answer:

Graph 'B' represents the correct graph.

The correct graph is attached below.

Step-by-step explanation:

Let 'A' be the point:

  • A\left(-1\frac{1}{2},\:\frac{1}{2}\right)

Let 'B' be the point:

  • B\:\left(1.5,\:-0.5\right)

As point A(-1 1/2, 1/2) can be written as:

A=\left(-\frac{3}{2},\:\frac{1}{2}\right)=\left(-1.5,\:0.5\right)

so plotting the point A=\left(-1.5,\:0.5\right)\:\:\:\: and B\:\left(1.5,\:-0.5\right) on a B\:\left(1.5,\:-0.5\right).

  • As we know that the 2nd quadrant, in the upper left-hand corner, consists of negative values of x and positive values of y.

Thus, the point A(-1.5, 0.5) will be plotted in the 2nd quadrant at x = -1.5 and y=0.5

i.e. at x= -1.5, y = 0.5

  • As we know that the 4th quadrant, the lower left-hand corner, consists of positive values of x and negative values of y.

Point B(1.5, -0.5) will be plotted in the 4th quadrant at x = 1.5 and y = -0.5

i.e. at x= 1.5, y = -0.5

Thus, graph 'B' represents the correct graph.

The correct graph is attached below.

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3 years ago
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For centuries, mathematics seemed to exist in service to the natural sciences. Many of the great mathematical breakthroughs, lik
adell [148]

Answer:

b,d

Step-by-step explanation:

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2 years ago
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Arisa [49]
This is infinity solutions -
33x-33+99=33x-33-99
99=-99
Since 99 __equal -99 the equation has many solutions
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3 years ago
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