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leonid [27]
2 years ago
15

**50 POINTS**

Mathematics
2 answers:
riadik2000 [5.3K]2 years ago
6 0

Answer:

A. 9.79

B. 26

C. 24.2

D.8.94

E. 4.47

vodka [1.7K]2 years ago
3 0

Answer:

√96 = 9 and 79797958113/100000000000

√676 = 26

√588 = 24 and 124355653/500000000

√80 = 8 and 94427191/100000000

√20 = 4 and 94427191/200000000

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Find the height of a triangle in which base is 25cm and<br> area is 200cm2.
Arisa [49]

Answer:

16

Step-by-step explanation:

(200*2)/25=16

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Find the product. (n³) . (n⁵)⁴ ​
Alenkasestr [34]

Answer:

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Step-by-step explanation:

n^3 · n^20 = n^23

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2 years ago
Find a unit vector in the direction of the vector left bracket Start 3 By 1 Matrix 1st Row 1st Column negative 8 2nd Row 1st Col
MrRissso [65]

Answer:

\left[\begin{array}{c}-\frac{8}{\sqrt{117} } \\\frac{7}{\sqrt{117} }\\\frac{2}{\sqrt{117} }\end{array}\right]

Step-by-step explanation:

We are required to find a unit vector in the direction of:

\left[\begin{array}{c}-8\\7\\2\end{array}\right]

Unit Vector, \hat{a}=\dfrac{\overrightarrow{a}}{|\overrightarrow{a}|}

The Modulus of \overrightarrow{a} =\sqrt{(-8)^2+7^2+(-2)^2}=\sqrt{117}

Therefore, the unit vector of the matrix is given as:

\left[\begin{array}{c}-\frac{8}{\sqrt{117} } \\\frac{7}{\sqrt{117} }\\\frac{2}{\sqrt{117} }\end{array}\right]

5 0
3 years ago
Solve for r.<br> -13 = r/9 +8
love history [14]
R/9 = -21
Multiply by 9
r = -189
4 0
2 years ago
Read 2 more answers
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