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tiny-mole [99]
3 years ago
8

SOMEONE, PLEASE HELP ME!!!!!!

Mathematics
1 answer:
wlad13 [49]3 years ago
8 0

Answer:

B

Step-by-step explanation:

a is base edge

h is height or To find the volume of a square-based pyramid, use the formula V = A(h/3), where V is the volume and A is the area of the base.

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Please help me... the perimeter of square WXYZ is 20 units. The coordinates of three of the vertices are W(3,2), X(3,7), and Y(8
Blababa [14]
Okay, so we know that the perimeter of the square is 20. Since a square has 4 equal sides to find the length of one side, 20/4. Each side is equal to five. Look at each of the coordinates and put them respectively into a graph in your mind. w(3,2) (bottom left) x(3,7) (top left) Y(8,7) (top right). Now we know we need to find the bottom right coordinate. Being that both of the coordinates on the left have the same x value we can justify that the coordinates on the right have the same X value also. we can say this same thing for the y coordinate. Since both coordinates on the top of the square have the same Y value, we can justify that the coordinates on the bottom have the same Y value. So taking the coordinates we now are the same, the answer is Z(8,2). We can check his by seeing if the distance if five from each of the adjacent coordinates. If you have any questions comment below.
5 0
3 years ago
HELP!!!!
m_a_m_a [10]

Answer:

(0,0)

Step-by-step explanation:

The coordinates of C now are (-7,-5).

Moving C -3 on the x-axis will move -7 - 3 = -10. C is now located on (-10,-5).

Moving C +5 on the y-axis will move -5 + 5 = 0. C is now located on (-10,0).

Moving C on the y-axis +10 will move -10 + 10 = 0. C is now located on (0,0).

C is translated to (0,0).

8 0
3 years ago
Which expressions are equivalent to the given expression? Select two options.
Mars2501 [29]

Answer : The two correct options are,

3.4a + 5.6b

5.6b + 3.4a

Step-by-step explanation :

The given expression is:

(-2.4a - 1.8b) - (-3.8a - 4.4b) + (2.0a + 3.0b)

First we have to open the brackets.

⇒ -2.4a - 1.8b + 3.8a + 4.4b +2.0a + 3.0b

Now keep like terms together.

⇒ -2.4a + 3.8a +2.0a + 3.0b - 1.8b + 4.4b

By subtraction or addition, we get:

⇒ 3.4a + 5.6b

or,

⇒ 5.6b + 3.4a

Hence, the expressions that equivalent to the given expression are, 3.4a + 5.6b and 5.6b + 3.4a

7 0
3 years ago
Read 2 more answers
1+1<br><br> Brainliest is in the deal first one to answer
natulia [17]

Step-by-step explanation:

2 !!!

hope it helps

have a great day:))

6 0
3 years ago
Read 2 more answers
The sample loses 1/3of it’s mass every ___ days
eimsori [14]

Answer:

The sample loses \frac{1}{3} of its mass every \frac{1}{3} days.

Step-by-step explanation:

Expression that shows the relation between final mass of the element after 't' days is,

M(t) = 900(\frac{8}{27})^t

If M(t) = two third of the initial mass [After the loss of one third of the initial mass remaining mass of the element = 1 - \frac{1}{3} = \frac{2}{3}rd of the initial mass]

900\times \frac{2}{3}=900(\frac{8}{27})^t

\frac{2}{3}=(\frac{8}{27})^t

\frac{2}{3}=[(\frac{2}{3})^3]^t

(\frac{2}{3})^1=(\frac{2}{3})^{3t}

By comparing powers on both the sides

3t = 1

t = \frac{1}{3} day

Therefore, The sample loses \frac{1}{3} of its mass every \frac{1}{3} days.

5 0
3 years ago
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