I SPENT 50 POINTS ON THIS, PLEASE HELP

Mathematics

2 answers:

Alex Ar [27]3 years ago

8 0

Answer:

In the figure, we can consider that the base is the side that measures 12 in and that the height is the side that measures 15 in, since that sides are perpendicular. So, we just need to use the given formula

so it =d

Step-by-step explanation:

Anestetic [448]3 years ago

5 0

In the figure, we can consider that the base is the side that mesures 12 in and that the height is the side that measures 15 in, since that sides are perpendicular. So, we just need to use the given formula:

$A = \dfrac{bh}{2}\Longrightarrow A = \dfrac{12\cdot15}{2}\Longrightarrow A=6\cdot15\Longrightarrow \boxed{A = 90~\text{in}^2}$

Hence, the area of the triangle is 90 in² (B).

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Any of these questions will be ok

Alekssandra [29.7K]

#7:

It means to solve for y.

#8:

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2 years ago

Find the percent of change. Original: 80, new: 64

lara31 [8.8K]

Hi there!

To find the percent of change we can use the following formula:
$\frac{new - old}{old} \times 100\%$

Let's fill in our data
$\frac{64 - 80}{80} \times 100\% =$

Subtract
$\frac{ - 16}{80} \times 100\% =$

Divide
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And finally multiply
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Hence, the percent of change is negative 20%.
~ Hope this helps you!

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2 years ago

Find the value of x 90, 68 2x

Ivan

Answer:

2x + x +90= 180 We will add 2x + x=3x We get 3x + 90 =180 Now we subtract 3x = 180–90 ... x=30, for confirmation put value of x =30in equation and verify. LHS=RHS. Thats it. 68 views.

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3 years ago

The volume of a cylinder is 4,000pi in.³ .The

miskamm [114]

Answer:

The answer to your question is r = 4 in

Step-by-step explanation:

Data

Volume = 4000 π in³

height = 250 in

radius = ?

Process