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Natalija [7]
4 years ago
13

Can you please help me with the question

Mathematics
1 answer:
lubasha [3.4K]4 years ago
3 0
180 feet

4.5 x 40 = 180
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Change 43% into a decimal number
Softa [21]
To make a percent to a decimal, move the decimal to the left 2 times. 
43%=0.43
7 0
4 years ago
What are the solutions of the quadratic equation 50-x^2=0
Licemer1 [7]
Helloo

Use the quadratic formula to find the solutions.<span><span><span>−b±<span>√<span><span>b2</span>−4<span>(ac)</span></span></span></span><span>2a</span></span><span><span>-b±<span><span>b2</span>-4<span>(ac)</span></span></span><span>2a</span></span></span>Substitute the values <span><span>a=−1</span><span>a=-1</span></span>, <span><span>b=0</span><span>b=0</span></span>, and <span><span>c=50</span><span>c=50</span></span> into the quadratic formula and solve for <span>xx</span>.<span><span><span>0±<span>√<span><span>02</span>−4⋅<span>(−1⋅50)</span></span></span></span><span>2⋅−1</span></span><span><span>0±<span><span>02</span>-4⋅<span>(-1⋅50)</span></span></span><span>2⋅-1</span></span></span>Simplify.<span><span>x=±5<span>√2</span></span><span>x=±52</span></span>The result can be shown in both exact and approximate form.<span><span>x=±5<span>√2</span></span><span>x=±52</span></span><span>x≈7.07106781,−<span>7.07106781

Have a nice day</span></span>
8 0
4 years ago
If m•DBC = 74° and m•ABC = 119°, find m•ABD.
andrew11 [14]

Answer:

193 degrees

Step-by-step explanation:

you add 74 degrees + 119 degrees and that equals up to 193 degrees

5 0
3 years ago
If the square root of 1 over 2 x - 10 added by 3, which inequality can be used to find the domain of f(x)?
jeyben [28]
From the description, we have the function f(x)= \sqrt{ \frac{1}{2x-10}+3 }
Since the square root cannot be a negative number, the only thing need to do to find the domain of the function f(x) is take the expression inside the square rot and set it greater or equal than zero:
\frac{1}{2x-10}+3  \geq  0
\frac{6x-29}{2x-10}  \geq 0
\frac{6x-29}{2(x-5)}  \geq 0
x \leq  \frac{29}{6} or x\ \textgreater \ 5

We can conclude that we can use the inequality \frac{1}{2x-10}+3 \geq 0 to find the domain of f(x). Also, the domain of f(x) is (∞,\frac{29}{6}]U(5,∞).

4 0
4 years ago
Consider the two triangles. To prove that △LMN ~ △XYZ by the SSS similarity theorem using the information provided in the diagra
dimaraw [331]
The corresponding sides are 
LN to XZ
LM to XY
NM to ZY

We have NM=3 and ZY=9
The scale factor is 9÷3=3

XZ = 2×3 = 6 units
LM = 12÷3 = 4 units

The correct answer is <span>LM is 4 units and XZ is 6 units</span>
3 0
4 years ago
Read 2 more answers
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