3 years ago

A marching band has 64 members. The band director

Mathematics

1 answer:

kap26 [50]3 years ago

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Which grade is this and which school?

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From the observation deck of a skyscraper, Isabella measures a 67

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Answer:

1941.2 feet

Step-by-step explanation:

$\frac{824}{tan\left(23\right)}$

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3 years ago

If b = the number of baseballs which algebraic expression represents the phrase below the number of baseballs minus 3 lost durin

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Answer: B

Explanation: Baseballs(b) minus 3 which is b-3

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3 years ago

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How can I find the exact distance between the points(√7,-√2)and (4√7,5√2)

chubhunter [2.5K]

$\bf \textit{distance between 2 points}\\ \quad \\
\begin{array}{lllll}
&x_1&y_1&x_2&y_2\\
% (a,b)
&({{ \sqrt{7}}}\quad ,&{{ -\sqrt{2}}})\quad 
% (c,d)
&({{4\sqrt{7}}}\quad ,&{{ 5\sqrt{2}}})
\end{array}~~~
% distance value
d = \sqrt{({{ x_2}}-{{ x_1}})^2 + ({{ y_2}}-{{ y_1}})^2}
\\\\\\
$

$\bf d=\sqrt{[4\sqrt{7}-\sqrt{7}]^2~+~[5\sqrt{2}-(-\sqrt{2})]^2}
\\\\\\
d=\sqrt{(4\sqrt{7}-\sqrt{7})^2~+~(5\sqrt{2}+\sqrt{2})^2}\implies d=\sqrt{(3\sqrt{7})^2~+~(6\sqrt{2})^2}
\\\\\\
d=\sqrt{3^2\cdot 7~~+~~6^2\cdot 2}\implies d=\sqrt{63+72}\implies d=\sqrt{135}
\\\\\\
\begin{cases}
135=5\cdot 3\cdot 3\cdot 3\\
\qquad 5\cdot 3^2\cdot 3\\
\qquad 15\cdot 3^2
\end{cases}\implies d=\sqrt{15\cdot 3^2}\implies d=3\sqrt{15}$

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3 years ago

When two numbers are multiplied together, the result is 128.

fomenos

Answer:

32 and 4

Step-by-step explanation:

128=2^7

(8xa)xb=128

axb=2^4=16

(8x4)x4=128

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2 years ago

If f(x) =3x^2 + 1 and g(x)=1-x

motikmotik

Answer: f ( 1 − x ) = 3 x 2 − 6 x + 4

Your WElcome

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