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Nady [450]
2 years ago
6

Which of the following is the standard form of the equation 5x2 - 20x = 15?

Mathematics
1 answer:
Finger [1]2 years ago
5 0

x= +7 or x=2-7 let me know if you need an explanation <3
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Tutorial C<br> A 3-yard roll of aluminum foil costs $4.14. What is the price per<br> foot?
Marta_Voda [28]

Answer:

$.46 or 46 cents per foot

Step-by-step explanation:

3 yards = 4.14

1 yard is 3 feet

3 yards is 9 feet

4.14 ÷ 9 = .46

5 0
1 year ago
PLEASE FOR 100 POINTS!!! PLEASE!!!
tiny-mole [99]

Answer:

\Large \boxed{\sf 956.56 \ mm^2}

Step-by-step explanation:

Surface area → area of 2 bases + area of 6 rectangles

Area of base is given

Area of rectangle → length × width

\left(2\cdot 166.28\right)+\left(8\cdot 13\cdot 6\right)=956.56

3 0
3 years ago
Read 2 more answers
Kate father is 50 years old and kate is 24 years old now. How many years ago was kates father three times as old as her
patriot [66]

Answer:

11

Step-by-step explanation:

50-x=3(24-x)

50-x=72-3x

2x=22

x=11years ago when kate's father was 3 times as old as kate=11

8 0
2 years ago
A distance travaled by train in three hours with a constant speed of r miles per hour
True [87]

The distance travelled by the train with constant speed of r miles will be 3r.

<h3><u>What is Speed?</u></h3>
  • The most crucial scientific notion is measurement. Base or physical fundamental units are used to quantify a wide range of quantifiable quantities.
  • One such measurable metric is speed, which calculates the ratio between the distance an object travels and the time needed to cover that distance. Let's explore speed in-depth in this session.
  • The pace at which an object's location changes in any direction. When an object travels the same distance in the same amount of time, it is said to be moving at a uniform speed.
  • When an object travels a different distance at regular intervals, it is said to have variable speed.

We know the formula of distance linking the speed and the time.

Distance = speed × time

Substituting the given values to get:

Distance = r × 3

Distance = 3r

Know more about Speed with the help of the given link:

brainly.com/question/6280317

#SPJ4

5 0
2 years ago
What is 0.4% of $100
Anni [7]
0.4%, turn it into a decimal, which is 0.004
0.004*100= 0.4
8 0
3 years ago
Read 2 more answers
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