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3 years ago

7.

Mathematics

2 answers:

Pepsi [2]3 years ago

8 0

The answer is 416 i dont think u need the decimals

Leokris [45]3 years ago

5 0

416.25

375*.11=41.25

41.25+375=416.25

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Analyzing Statements about Circle Terminology

Licemer1 [7]

Answer:

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4 years ago

A system of equations is shown below.

Leokris [45]

Answer:

Step-by-step explanation:

(-6,8)...x = -6 and y = 8

lets start subbing

5x + 3y = -6

5(-6) + 3(8) = -6

-30 + 24 = -6

-6 = -6

so (-6,8) IS a solution to this equation

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so (-6,8) IS a solution to this equation

A. It is the only solution to the system

7 0

4 years ago

Simplify. Express the answers using positive exponents:

olasank [31]

Answer:

$\frac{-1}{2}ab^{12}$

$\frac{w^{10}}{3y^4}$

Step-by-step explanation:

Given the expression;

$\frac{-2a^2b^4}{4ab^{-8}}\\= \frac{-2}{4}*a^{2-1}b^{4-(-8)}\\= \frac{-1}{2}ab^{12}$

Similarly for the expression;

$\frac{-5w^4y^{-2}}{-15w^{-6}y^2}\\= \frac{-5}{-15}*w^{4-(-6)}y^{-2-2}\\= \frac{1}{3}w^{10}y^{-4} \\= \frac{w^{10}}{3y^4}$

6 0

3 years ago

Ill show u a pic of the question

pickupchik [31]

Answer:

where is yr pic give full question please

7 0

3 years ago

Read 2 more answers

If z = (5 + 12i) ÷ (3 + 4i), then |z| = _____. 5/13 1(2/3) 2(3/5) 3

Marta_Voda [28]

$\dfrac{5+12i}{3+4i}=\dfrac{5+12i}{3+4i}\cdot\dfrac{3-4i}{3-4i}=\dfrac{15-20i+36i-49i^2}{3^2-(4i)^2}\\\\=\dfrac{15+16i+49}{9-16i^2}=\dfrac{64+16i}{9+16}=\dfrac{64+16i}{25}=2.56+0.64i$

$z=a+bi\\\\|z|=\sqrt{a^2+b^2}\\\\z=2.56+0.64i\to a=2.56;\ b=0.64\\\\|z|=\sqrt{2.56^2+0.64^2}=\sqrt{6.9632}=\sqrt{\dfrac{69632}{10000}}=\sqrt{\dfrac{4096\cdot17}{100}}\\\\=\dfrac{64\sqrt{17}}{100}=0.64\sqrt{17}\approx2.6=2\dfrac{3}{5}$

3 0

3 years ago

Read 2 more answers