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PolarNik [594]
3 years ago
7

Plz help!! I need an answer ASAP

Mathematics
2 answers:
defon3 years ago
4 0
1 Add
5
y
5y to both sides.
2
x
−
3
=
5
y
2x−3=5y

2 Add
3
3 to both sides.
2
x
=
5
y
+
3
2x=5y+3

3 Divide both sides by
2
2.
x
=
5
y
+
3
2
x=
2
5y+3
​
KiRa [710]3 years ago
3 0

Answer:

-5/2

Step-by-step explanation:

-5y=-2x+3

y=2/5x-3/5

The slope is negative recipricol

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What is three divided by two thirds?
Serhud [2]

Answer:

4 1/2

Step-by-step explanation:

3÷ 2/3

Copy dot flip

3 * 3/2

Multiply the numerators

3*3 =9

The denominator is 2

Numerator over denominator

9/2

Change to a mixed number

9/2 = 4 1/2

6 0
4 years ago
If a ball is thrown into the air with a velocity of 34 ft/s, its height (in feet) after t seconds is given by y = 34t − 16t2. Fi
Finger [1]

<u>ANSWER: </u>

If a ball is thrown into the air with a velocity of 34 feet per second, then velocity of the ball after 1 second is 2 feet per second

<u>SOLUTION: </u>

Given, a ball is thrown into the air with a velocity of 34 feet per second

Initial velocity (u) = 34 feet per second

And also given a relation between displacement and time = \mathrm{y}=34 \mathrm{t}-16 \mathrm{t}^{2} --- eqn 1

We need to find the velocity when t = 1 ; v = ?

We know that, v = u + at and \mathrm{s}=\mathrm{ut}+\frac{1}{2} \mathrm{at}^{2}

where v is instantaneous velocity and u is initial velocity

a is acceleration

t is time interval  

s is displacement

using the displacement and time relation eqn (1) we get

Now, when t = 1, displacement s = 34(1) – 16(1)

\mathrm{ut}+\frac{1}{2} \mathrm{at}^{2}=34-16

34 \times 1+\frac{1}{2} \times a \times 1^{2}=18

34+\frac{a}{2}=18

\begin{array}{l}{\frac{a}{2}=18-34} \\\\ {\frac{a}{2}=-16} \\ {a=-16 \times 2} \\ {a=-32}\end{array}

here, -ve sign indicates that object is in deceleration . so acceleration is -32 ft/s

now put a value in v = u + at

v = 34 + (-32)(1)

v = 34 – 32

v = 2 ft/s

Hence, velocity of the ball after 1 second is 2 ft/s

6 0
3 years ago
a cone has a diameter of 3 inches. The come holds 12 cubic inches of water. To the nearest inch, what is the height of the cone?
Shkiper50 [21]
Volume for a cone is 1/3 pi * r^2*h, where r is radius and h is height. We have diameter = 1/2 radius. Thus, radius = 1.5in. We also have volume is 12 in. Using formula for volume of a cone and plugging in what we know, we have 12 = 1/3*pi*(1.5)^2*h, were solving for h. To get, h= (12*3)/(pi*(1.5)^2), which is approximately 5.0931in, 5 inches
7 0
3 years ago
HELPPP!! Find the missing angles in the following RHOMBUS. *
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Answer:

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Step-by-step explanation:

7 0
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Read 2 more answers
The length is 3 inches more than twice the width. Which expression represents the perimeter of the frame in inches?
9966 [12]

Answer:

(6W+6)\ in

Step-by-step explanation:

we know that

The perimeter of a rectangle is equal to

P=2(L+W) ----> equation A

where

L is the length

W is the width

we have

The length is 3 inches more than twice the width

so

L=2w+3 ----> equation B

substitute equation B in equation A

P=2(2W+3+W)

Combine like terms

P=2(3W+3)\\P=(6W+6)\ in

8 0
3 years ago
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