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seropon [69]
3 years ago
5

Y=2x+1 to a polar equation

Mathematics
1 answer:
Xelga [282]3 years ago
6 0
Hello,
x=R*cos(t)
y=R*sin(t)
y=2x+1
==> Rsin(t)=2Rcos(t)+1
==>R(sin(t)-2cos(t))=1
==>R=1/(sin(t)-2cos(t))

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Juan is 1 1/4 feet shorter than maria. if maria is 1/3 foot taller than luis. if luis is 62 inches tall, how tall are maria and
Ghella [55]
J = m - 1 1/4 (ft).......j = m - 15 inches...because 1 1/4 ft = 15 inches
m = L + 1/3 (ft).......m = L + 4 inches....because 1/3 ft = 4 inches
L = 62 inches

m = L + 4
m = 62 + 4
m = 66 inches or 5.5 ft <==Maria

j = m - 15
j = 66 - 15
j = 51 inches or 4.25 ft <== Juan

7 0
3 years ago
What is the product of (3a 2)(4a2 – 2a 9)?12a3 − 2a 1812a3 6a 912a3 − 6a2 23a 1812a3 2a2 23a 18
timama [110]
To get the product of (3a + 2) and (4a² - 2a + 9), we can apply the rules of distribution over multiplication and have 3a(4a² - 2a + 9) + 2(4a² - 2a + 9) 12a³ - 6a² + 27a + 8a² - 4a + 18 Adding like terms of the same degree, we can simplify it into 12a³ + 2a² + 23a + 18 Therefore, the answer is D<span>. </span>
5 0
3 years ago
Read 2 more answers
Carlos wants to practice piano 2 hours each day. He practices piano for 3/4 hour before school and 7/10 hour when he gets home.
kiruha [24]

Answer

Find out the how many hours has Carlos practiced piano .

To prove

As given

He\ practices\ piano\ for\ \frac{3}{4}\ hour\ before\ school.

\frac{7}{10}\ hour\ when\ he\ gets\ home.

Than

Total\ hours\ carlos\ practiced\ piano = \frac{3}{4} + \frac{7}{10}

L.C.M of (4,10) = 20

Total\ hours\ carlos\ practiced\ piano = \frac{3\times 5+7\times 2}{20}

Total\ hours\ carlos\ practiced\ piano = \frac{15+14}{20}

Total\ hours\ carlos\ practiced\ piano = \frac{29}{20}\ hours

Therefore the total hours Carlos practiced piano is 1.45 hours .

4 0
3 years ago
Read 2 more answers
Which expression can be used to find 57% of 230? ⊥ω⊥
ella [17]

Answer:

131.10  (Answer C)

Step-by-step explanation:

Convert 57% to 0.57 and then multiply 230 by 0.57:

0.57(230) = 131.10

This is Answer C

4 0
3 years ago
Simplify: j + 5 + 5c
irina [24]
The answer is 5
c
+
j
+
5
5 0
3 years ago
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