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Zinaida [17]
2 years ago
11

Please help me do my homework and receive 25 points.

Mathematics
1 answer:
user100 [1]2 years ago
6 0
Fluency
1.) All three
condition: They all have the same size, same angles
2.) The right triangles
condition: They both have the same angles as well as same size
3.)The first and second ones
condition: They both are the same size, and have the same angles
4.) Last 2
condition: Same size, same angles.
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The maximum load of a horizontal beam that is supported at both ends varies jointly as the width and the height and inversely as
dezoksy [38]

Answer:

360kg

Explanation:

Here, we want to get the maximum load supported

From the first part of the question, we have it that:

The maximum load g, varies jointly with the width w and the height h, and inversely as the length l between the supports

Mathematically, we have that as:

g\text{ = k }\times\frac{wh}{l}

where k is the proportionality constant

Now, let us get the value of k

We substitute the first set of values as follows:

\begin{gathered} 360\text{ = }\frac{k\times0.1\times0.06}{6} \\  \\ k\text{ = 360,000 }\frac{kg}{m} \end{gathered}

Now, using this value of k, we want to get the value of g

Mathematically, we have that as:

g\text{ = }\frac{360,000\times0.2\times0.08}{16}\text{ = 360 }kg

8 0
1 year ago
What the product to (-3q+3)+7(8q+1)
Ivenika [448]

Answer:

53q+10

Step-by-step explanation:

(-3q+3)+7(8q+1)

-3q+3+56q+7

53q+3+7

53q+10

4 0
3 years ago
Read 2 more answers
If 90 is 30% of a number, what is 200% of the number.
KATRIN_1 [288]
600 becuase 90/.30= 300 and 300*2 =600
6 0
3 years ago
Find the missing factor x^2-11x+18=(x-2)( )
tia_tia [17]
I'd use synthetic div. here, with 2 as my divisor:

      ________________
2   /   1    -11    18
                  2   -18
     ----------------------------
         1     -9      0

Note that the coefficients of the missing factor are given here and are 1 and -9.  Thus, (x-9) is the missing factor.
4 0
2 years ago
Graph the image of QRS after a rotation 270º counterclockwise around the origin.
sergij07 [2.7K]

Answer:

Q=(1,-5)

R=(5,-5)

S=(2,-7)

Step-by-step explanation:

8 0
3 years ago
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