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2 years ago

PLEASE HELP solve the following: two and two thirds − one and one third

Mathematics

1 answer:

alina1380 [7]2 years ago

6 0

Answer:

we know that and means adding so.

from the question

2+2/3-1+1/3

=1+2/3+1/3

=(3+2+1)/3

=6/3

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Acell divides into 2 cells every min. Calculate the number of cells after 10 min.

Rainbow [258]

Answer:

Step-by-step explanation:

2 cells per minute

and ten minutes of it

so ...10 x 2

8 0

3 years ago

In parallelogram ABCD, AD = 12 in, m∠C = 46º, m∠DBA = 72º. Find the area of ABCD

dmitriy555 [2]

Answer:

The area of parallelogram ABCD is $78.42 \mathrm{in}^{2}$

Explanation:

Given:

AD = 12 in

$m \angle C=46^{\circ}$

$m \angle D B A=72^{\circ}$

To Find:

The area of parallelogram ABCD=?

Solution:

When we construct the parallelogram with the given data, we get a parallelogram formed by 12 cm as one side and an angle with 46 degrees.

The area of the parallelogram can be calculated by $a b * \sin (a n g l e)$

Substituting the value of a=12 we have

$\text { Area of parallelogram }=12 * \text { bsin } 46$

<u>To find the value of b, </u>

We know that area of a triangle can be expressed as,

$\text { Area of triangle }=(A b / 2) \sin (\text {angle})$

So,

$(12 * B D / 2) * \sin 46=(A B * B D / 2) * \sin 72$

Cancelling BD and 2 on both sides we get,

$12 * \sin 46=A B * \sin 72$

$A B=12 * \frac{\sin 46}{\sin 72}$

Therefore,

$b=\frac{12 \sin 46}{\sin 72}$

Substituting the value of b,

$=12 *\left(\frac{12 \sin 46}{\sin 72}\right) * \sin 46$

=78.42

So the area of the parallelogram is $78.42 \mathrm{in}^{2}$

6 0

3 years ago

Read 2 more answers

Determine if the following system of equations has no solutions, infinitely many

mylen [45]

This are similar answers to your questions.

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2 years ago

Question 14 of 16

Goryan [66]

B, because you would just assume the line continues forever on both sides.

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2 years ago

Work out the mean for the data set below: 6, 4

aliina [53]

Answer:

Step-by-step explanation:

The mean is the same as the average value of a data set and is found using a calculation. Add up all of the numbers and divide by the number of numbers in the data set.

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3 years ago