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2 years ago

Ill give brainiest if correct

Mathematics

2 answers:

Mars2501 [29]2 years ago

8 0

I believe the answer is 50

Svetradugi [14.3K]2 years ago

5 0

Volume = area of base x height
It’s c( 250)

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Evaluate 5a + 5b, where a = –6 and b = –5.

balandron [24]

Use Calculator soup it helps me a lot and I hope it helps you

8 0

3 years ago

Read 2 more answers

Ce qui est cent fois vingt

m_a_m_a [10]

Answer:

2000

Step-by-step explanation:

7 0

3 years ago

1)Sheyna drive to the lake and back. It took two hours less time to get there than it did to get back. The average speed on the

ipn [44]

Answer:

8 hours

Step-by-step explanation:

Given:

Sheyna drives to the lake with average speed of 60 mph and

$v_1 = 60\ mph$

Sheyna drives back from the lake with average speed of 36 mph

$v_2 = 36\ mph$

It took 2 hours less time to get there than it did to get back.

Let $t_1$ be the time taken to drive to lake.

Let $t_2$ be the time taken to drive back from lake.

$t_2-t_1 = 2$ hrs ..... (1)

To find:

Total time taken = ?

$t_1+t_2 = ?$

Solution:

Let D be the distance to lake.

Formula for time is given as:

$Time =\dfrac{Distance}{Speed }$

$t_1 = \dfrac{D}{60}\ hrs$

$t_2 = \dfrac{D}{36}\ hrs$

Putting in equation (1):

$\dfrac{D}{36}-\dfrac{D}{60} = 2\\\Rightarrow \dfrac{5D-3D}{180} = 2\\\Rightarrow \dfrac{2D}{180} = 2\\\Rightarrow D = 180\ miles$

So,

$t_1 = \dfrac{180}{60}\ hrs = 3 \ hrs$

$t_2 = \dfrac{180}{36}\ hrs = 5\ hrs$

So, the answer is:

$t_1+t_2 = \bold{8\ hrs}$

8 0

3 years ago

How do i understand Vertices because i forget sometimes?

Burka [1]

the highest point; the top or apex.
"a line drawn from the vertex of the figure to the base"

GEOMETRYeach angular point of a polygon, polyhedron, or other figure.

6 0

3 years ago

Read 2 more answers

Is d= -12 a solution to the equation 8d+6= -8d-186

kupik [55]

Answer:

It is a solution

Step-by-step explanation:

8d+6= -8d-186

Add 8d to each side

8d+8d+6= -8d+8d-186

16d +6 = -186

Subtract 6 from each side

16d +6-6 = -186 -6

16d = -192

Divide each side by 16

16d/16 = -192/16

d = -12

8 0

3 years ago