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monitta
3 years ago
11

Mathematical expressions is equivalent to bh/2

Mathematics
1 answer:
Aleksandr-060686 [28]3 years ago
5 0
The equivalent to bh is lw
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PLEASE HELP *see attachment *
gayaneshka [121]

Answer:

9.16 I think

Step-by-step explanation:

angle B = tan^{-1}(\frac{22.91}{10}) = 66.4 degrees to 1 decimal place

sin(66.4) = \frac{CD}{10}

CD = 10sin(66.4)

CD = 9.16 to 2 decimal places

8 0
4 years ago
Solve each system by substitution. y=3x+4 y=4x+7
Y_Kistochka [10]

We need to solve the following system by substituition:

\begin{cases}y=3x+4 \\ y=4x+7\end{cases}

To solve by substituition means that we need to isolate one variable in one of the equations and replace one expression with the other. This is done below:

\begin{gathered} (3x+4)=4x+7 \\ 3x+4=4x+7 \\ 3x-4x=7-4 \\ -x=3 \\ x=-3 \end{gathered}

Then we need to replace the value of "x" in any of the two equations.

\begin{gathered} y=3\cdot(-3)+4 \\ y=-9+4 \\ y=-5 \end{gathered}

The solution is (-3,-5).

4 0
1 year ago
PLZ HELP ME THIS DUE TODAY!!!!
aev [14]

Answer:

1. -6.5

2. -21/4

3. -4

Your Welcome!

8 0
3 years ago
What is the measure of angle 2?
Darya [45]

Answer:

42

Step-by-step explanation:

because that angle is a little less than half of 90 so 42 is the best answer

5 0
3 years ago
Write an expression for the perimeter of the triangle shown below:
Afina-wow [57]
4.1x +29

Hope this helps!! :)
7 0
4 years ago
Read 2 more answers
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