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My name is Ann [436]
3 years ago
15

2/5 meters= blank cm

Mathematics
2 answers:
vekshin13 years ago
5 0

Answer:

⅖ m = 40 cm

Step-by-step explanation:

1 meter = 100 cm

1 : 100 = 2/5 : y

1 × y = 100 × 2/5

y = 40

gladu [14]3 years ago
4 0
2/5cm=40cm this is the answer

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How many more students read exactly 6 books than those who read less than 4 books?
jolli1 [7]
Assuming each X represents 1 student. 1 more student read 6 books than less than 4. 6 books has 6 Xs and 2 books has 5 Xs.

Answer: 1
6 0
3 years ago
8.21 in a mixed number
vfiekz [6]
It's really simple!
 
as an improper fraction it would look like this:

when changing it to a mixed fraction:
we divide the numerator by the denominator and keep the whole number to the side and leave the remainder as the numerator

the mixed number will look like this:
8 21/100
I hope you found this helpful, and if so, please mark as braniliest, thanks XD
3 0
3 years ago
Mike and Menna were instructed to graph the function y = 12 x + 1. Their graphs are shown.
KATRIN_1 [288]

Answer:

The function is y = 2x + 1.

And mike graphed the function correctly.

Menna took the point where the function touches x-axis incorrectly.

Instead of (-1/2,0), Menna took it as (-2,0)

Step-by-step explanation:

The equation y = mx +c indicates a straight line whose slope is m

And y-intercept is c.

y-intercept is nothing but the distance between origin and point where the graph crosses the y-axis (0,c).

Now, this graph crosses x-axis when y = 0.

⇒ mx + c = 0;       ⇒ x = \frac{-c}{m}.

Now, by comparing y = 2x + 1 with y = mx + c.

m=2 and c=1

⇒ the graph should crosses y-axis at (0,c) = (0,1)

And touch x-axis at (\frac{-c}{m} , 0) = (\frac{-1}{2},0)

⇒ mike graphed the function correctly.

Menna took the point where the function touches x-axis incorrectly.

Instead of (-1/2,0), Menna took it as (-2,0)

7 0
4 years ago
Situation:
Zigmanuir [339]

It will take 4 year for the account to reach $5,500.

<h3>How to find the amount?</h3>

The formula we use to calculate the amount is

A = P(1+r)¹

Where, P= amount of money invested

r = interest rate percentage in decimal form

t = time in years

A = total money in the account at time

Tina wants to save money for school.

Tina invests $400 in an account that pays an interest rate of 8%.

A = P(1+r)¹

5500 = 400(( 1 + 0.08)^t

5500/ 400 = ( 1 + 0.08)^t

55/ 4 = (1.08)^t

13.75 = (1.08)^t

t = 4

It will take 4 year for the account to reach $5,500.

Learn more about interest;

brainly.com/question/1310706

#SPJ1

8 0
2 years ago
Check all of the ordered pairs that satisfy the equation below.<br> y=2/3x
guajiro [1.7K]

Answer:

D,C

Step-by-step explanation:

5 0
3 years ago
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