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love history [14]
3 years ago
7

32:20 in simplest form

Mathematics
2 answers:
Karo-lina-s [1.5K]3 years ago
5 0

Answer:

8:5 1 3/5

Step-by-step explanation:

divide both sides by 4

pashok25 [27]3 years ago
5 0

Answer:

8/5 or 1 3/5

Step-by-step explanation:

Divide both the numerator and the the denominator by its GCF: 4 and simplify. Then u can either leave the answer as a improper fraction (if that is allowed) or completely simplify it to a mixed number: 1 and 3/5.

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A man walks for x hours at a speed of
alexandr1967 [171]

Given:

A man walks for x hours at a speed of  (x + 1) km/h and cycles for (x - 1) hours at  a speed of (2x + 5) km/h.

Total distance  travelled is 90 km.

To find:

The value of x.

Solution:

We know that,

Speed=\dfrac{Distance}{Time}

Speed\times Time=Distance

A man walks for x hours at a speed of  (x + 1) km/h, so walking distance is

D_1=(x+1)(x) km

The man cycles for (x - 1) hours at  a speed of (2x + 5) km/h, so the cycling distance is

D_2=(2x+5)(x-1) km

Now,

Total distance = 90 km

D_1+D_2=90

(x+1)x+(2x+5)(x-1)=90

x^2+x+2x^2-2x+5x-5-90=0

3x^2+4x-95=0

3x^2+19x-15x-95=0

x(3x+19)-5(3x+19)=0

(3x+19)(x-5)=0

3x+19=0\text{ and }x-5=0

x=\dfrac{-19}{3}\text{ and }x=5

Time cannot be negative. So, the only possible value of x is 5.

3 0
3 years ago
Choose the example of an inverse relationship
iren2701 [21]

The mathematical explanation is that if f(x) = x + 2 and y (x) = x -2, the relationship is inverse. Also, f(x) = -x and f(x) = 1/x to eliminate a zero value.

7 0
4 years ago
HELP PLEASE I WILL GIVE YOU THE BRAINLIEST
ira [324]

Answer:

volume = area of its × its height

v= 2×3.5×4×1

v=28 meter cube

4 0
3 years ago
Which values are solutions to the inequality –3x – 4 < 2? Check all of the boxes that apply.
luda_lava [24]

Answer:

x>-2

Step-by-step explanation:

We will need to solve the inequality:

–3x – 4 < 2

Before starting we need to understand 1 rule of inequalities. That is:

We change the inequality sign whenever we multiply or divide by a negative number. That means

< changes to >

and

≥  change  to ≤

and vice versa...

Now, let's go ahead and solve the inequality:

-3x-4

"x" is the set of all values that is greater than "-2". So that's the answer.

x > -2

4 0
3 years ago
Read 2 more answers
HELP pleaseeee (probability again)
ICE Princess25 [194]

Answer:

Event A - 1/3

Event B - 4/9

Step-by-step explanation:

Add them together 3+4+2= 9

then put them in to fractions...

3 0
3 years ago
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