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3 years ago

Guys please give me the answer for this q it's so hard

Mathematics

2 answers:

posledela3 years ago

5 0

Answer:

$\frac{9}{20}$

Step-by-step explanation:

change the mixed number to an improper fraction

2 $\frac{1}{4}$ = $\frac{9}{4}$

We have to calculate

$\frac{1}{3}$ × $\frac{3}{5}$ × $\frac{9}{4}$

simplify by cancelling the 3's on the numerator/denominator

then

= 1 × $\frac{1}{5}$ × $\frac{9}{4}$

multiply the remaining values on the numerators /denominators

= $\frac{9}{5(4)}$ = $\frac{9}{20}$

rusak2 [61]3 years ago

3 0

Answer:

9/20

Step-by-step explanation:

1/3 * 3/5 * 2 1/4 =

1/3 * 3/5 * 9/4=

1/5 * 9/4 =

9/20

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Total Points: 50

Sveta_85 [38]

Answer:

1. slope

2.Positive

3.up and down

4. Left and right

5. 1/1 or over 1 up 1

Step-by-step explanation:

7 0

3 years ago

3.) mr. smith’s class sold wrapping paper for $3.50 each and mr. davis’ class sold magazines for $2.75 each. together, the class

igor_vitrenko [27]

Answer:

The number of wrapping paper sold was 32 and the number of magazines sold was 40

Step-by-step explanation:

Let

x ----> the number of wrapping paper sold

y ----> the number of magazines sold

we know that

The classes sold 72 items

$x+y=72$ ----> equation A

The classes earned $222 for their school

$3.50x+2.75y=222$ ----> equation B

Solve the system of equations by graphing

Remember that the solution of the system of equations is the intersection point both graphs

using a graphing tool

The solution is (32,40)

see the attached figure

therefore

The number of wrapping paper sold was 32 and the number of magazines sold was 40

7 0

3 years ago

Jami is trying to model the movement of a tire. In order to properly model the movement, she is going to focus on the movement o

USPshnik [31]

From the given data it is clear that the amplitude of the wave will be 9 inches.

It is also clear that the speed of rotation, ω, will be: $\omega=\frac{2\pi}{T}=\frac{2\pi}{8}=\frac{\pi}{4}$

Now, it is given that the nozzle is on the right side of the tire and that position is going to be treated as the equilibrium position, the tire is then rotated such that the nozzle goes up at the beginning of the rotation. This condition is possible only when we have a Sine (Sin) function.

Thus, our final answer can be arrived as:

$Amplitude\times Sin(\omega t)$

$9\times sin(\frac{\pi}{4}t) =9sin(\frac{\pi}{4}t)$

Thus, out of the given options, option B is the correct answer.

5 0

3 years ago

The product of x and y, written in three different ways

Alika [10]

Answer:
3
⋅
x
x
+
y
Explanation:
The product of 3 and x divided by the sum of x and y is
P
r
o
d
u
c
t
o
f
3
and
x
S
u
m
o
f
x
and
y
.
Okay break it into smaller parts. The product of
3
and
x
is
3
⋅
x
um of
x
and
y
is
x
+
y
Now, we get
3
⋅
x
x
+
y
and that's it

4 0

2 years ago

Jenna saves $5 each week. She wants to know how much money she has saved after 6 weeks. How can you represent this? Choose all t

alisha [4.7K]

Answer:

$30

Step-by-step explanation:

5 x 6 = 30

hope this helped :)

6 0

2 years ago