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nydimaria [60]
3 years ago
8

In Raphael's class there are 14 boys and 10 girls. Select whether each statement is true or false.

Mathematics
2 answers:
KonstantinChe [14]3 years ago
7 0
I do t know I just want points
SpyIntel [72]3 years ago
6 0

Answer:

TRUE

TRUE

TRUE

FALSE

BOZO WHAT ARE STOPPPIDDD LIKE ARE YOU FROM NEW YORK EVEN

Step-by-step explanation:

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A ferryboat makes four trips to an island each day The ferry can hold 88 people If the is full on each trip how many passengers
Doss [256]
The answer is 1/22 hope i could help all though i am pretty sure i am right p.s sorry it took so long
4 0
3 years ago
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If ∠A and ∠B are complementary, find the value of x given that ∠A=3x-2 and ∠B=x+12
xxMikexx [17]

Answer:

x=20 degrees

Step-by-step explanation:

complementary means the angles equal 90 degrees

so ∠A+∠B=90 degrees

∠A=3x-2 and ∠B=x+12

so subsitute

(3x-2)+(x+12)=90

then solve for x

4x+10=90

4x=80

x=20 degrees is your answer

6 0
3 years ago
5. If position of object x = 3 sinΘ – 7 cosΘ then motion of object is bounded between position.​
lesya692 [45]

9514 1404 393

Answer:

  ±√58 ≈ ±7.616

Step-by-step explanation:

The linear combination of sine and cosine functions will have an amplitude that is the root of the sum of the squares of the individual amplitudes.

  |x| = √(3² +7²) = √58

The motion is bounded between positions ±√58.

_____

Here's a way to get to the relation used above.

The sine of the sum of angles is given by ...

  sin(θ+c) = sin(θ)cos(c) +cos(θ)sin(c)

If this is multiplied by some amplitude A, then we have ...

  A·sin(θ+c) = A·sin(θ)cos(c) +A·cos(θ)sin(c)

Comparing this to the given expression, we find ...

  A·cos(c) = 3   and   A·sin(c) = -7

We know that sin²+cos² = 1, so the sum of the squares of these values is ...

  (A·cos(c))² +(A·sin(c))² = A²(cos(c)² +sin(c)²) = A²(1) = A²

That is, A² = (3)² +(-7)² = 9+49 = 58. This tells us the position function can be written as ...

  x = A·sin(θ +c) . . . . for some angle c

  x = (√58)sin(θ +c)

This has the bounds ±√58.

3 0
3 years ago
Solve for F: C=5/9(F-32)<br> please explain process thanks
timama [110]
C=\frac{5}{9}(F-32)\ \ \ \ /\cdot\frac{9}{5}\\\\F-32=\frac{9}{5}C\ \  \ \ /+32\\\\F=\frac{9}{5}C+32\\\\F=\frac{9C}{5}+\frac{160}{5}\\\\F=\frac{9C+160}{5}
4 0
3 years ago
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Que es la matematica?
SVEN [57.7K]
Mathematics is math, geometry, algebra, calculus
5 0
2 years ago
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