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2 years ago

Please help!! please explain, if explained you will get a brainlest and bonus points thank you!!

Mathematics

1 answer:

babunello [35]2 years ago

4 0

Answer:

108m²

Step-by-step explanation:

So we know to find the volume for a rectangular prism we need to multiply base * height * leght.

For this problem to make it a little easier we can seperate it into 2 rectangular prisms. and then add the volume of both after.

1st prism volume:

2 * 2 * 7 = 28cm²

2st prism volume:

5 * 2 * 8 = 80m²

Final prism volume:

28cm² + 80m² = 108m²

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Given: Parallelogram ABCD,

andreyandreev [35.5K]

Answer:

a. m DCB =<DAB=120 opposite angle of the parallelogram are equal

again

BP=PD diagonal bisect it

3x+7=-x+17

3x+x=17-7

4x=10

x=10/4=5/2

b. BD =3x+7-x+17=3×5/2+7-5/2+17=2×5/2+24=5+24=29

4 0

2 years ago

A rectangle with a perimeter of 19m^2+2m-10 and a width of m^2 write an expression for the lenght

never [62]

Answer: $\frac{17}{2}m^2+m-5$

Step-by-step explanation:

By definition, the perimeter of a rectangle is:

$P=2l+2w$

Where "l" is the lenght and "w" is the width.

If you solve for "l":

$P-2w=2l\\\\l=\frac{P-2w}{2}$

In this case, you know that the following expression represents the perimeter of the rectangle:

$19m^2+2m-10$

And the width of that rectanle is represented wih this expression:

$m^2$

Therefore, based on the explained above, you can conclude that the lenght of that rectangle is given by:

$\frac{19m^2+2m-10-2(m^2)}{2}$

Finally, simplifying the expression, you get:

$=\frac{17m^2+2m-10}{2}=\frac{17}{2}m^2+m-5$

8 0

3 years ago

Plz Help! ASAP!!!!

vekshin1

Answer:

Do you still need help?

Step-by-step explanation:

7 0

3 years ago

Which of the following is the equation of the line that passes through (2,1) and is parallel to:

yarga [219]

Answer:

y = -5x + 11

Step-by-step explanation:

lmk if you want an explanation

5 0

1 year ago

Line PQ passes through the points P(-5,-13) and Q(5,17) what is the equation of line PQ in standard form

PSYCHO15rus [73]

Answer:

$3x - y = - 2$

Step-by-step explanation:

The given line PQ passes through the points P(-5,-13) and Q(5,17) .

Find the slope using the formula:

$m = \frac{y_2-y_1}{x_2-x_1}$

Plug in the points to get:

$m = \frac{17 - - 13}{5 - - 5}$

$m = \frac{30}{10}$

$m = 3$

Use the point-slope formula :

$y-y_1 = m(x - x_1)$

Substitute the point (5,17)

$y - 17 = 3(x - 5)$

Expand:

$y - 17 = 3x - 15$

The standard form is when the equation is put in the form

$ax + by = c$

Regroup the terms to get:

$3x - y = - 17 + 15$

The standard form is

$3x - y = - 2$

8 0

3 years ago