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Tanya [424]
3 years ago
11

Joe travels at a constant speed of 80 miles per hour for ten hours. How many miles will he travel in ten

Mathematics
1 answer:
ratelena [41]3 years ago
3 0

Answer:

1287.48 km

Step-by-step explanation:

80 miles = 128.748 km

  • Distance = Speed x Time

Putting in 'x' for distance

x = 80*10  

x = 800 miles

or

x = 1287.48 km

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C) A mother is three times as old as her daughter. Five years ago, she was five times
shepuryov [24]

Answer:

let mother's age y and daughter age x

a/q y=3x and y-5=5x-25

put y in second eq we get x=10 &y=30(their present age)

7 0
2 years ago
If a movie started at 4:45 and ended at 6:20 how long was the movie?
prisoha [69]
The movie was 1 hour and 35
6 0
3 years ago
10x^2-3x-27<br> Factor the trinomial
noname [10]

Answer:

(2x+3)(5x-9)

Step-by-step explanation:

10x^2-3x-27

10x^2 + 15x - 18x - 27

(5x)(2x+3)-9(2x+3)

(2x+3)(5x-9)

Hope this helps!

6 0
3 years ago
What are the solutions to the quadratic equ ton x2 – 16 = 0?
swat32

Answer:

x=4 and x=-4

Step-by-step explanation:

you dont really have to solve this one when you multiply the answer choices they should equal your B which is -16 and only 4 • -4 = -16 so yeah thats your answer

8 0
3 years ago
PQ⊥PS , m∠QPR=7x−9, m∠RPS=4x+22<br> Find : m∠QPR
emmainna [20.7K]

Given:

It is given that,

PQ ⊥ PS and

∠QPR = 7x-9

∠RPS = 4x+22

To find the value of ∠QPR.

Formula

As per the given problem PR lies between PQ and PS,

So,

∠QPR+∠RPS = 90°

Now,

Putting the values of ∠RPS and ∠QPR we get,

7x-9+4x+22 = 90

or, 11x = 90-22+9

or, 11x = 77

or, x = \frac{77}{11}

or, x = 7

Substituting the value of x = 7 in ∠QPR we get,

∠QPR = 7(7)-9

or, ∠QPR = 40^\circ

Hence,

The value of ∠QPR is 40°.

3 0
3 years ago
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