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DiKsa [7]
3 years ago
10

Find decimal notation for this number : 21/40  

Mathematics
2 answers:
Dimas [21]3 years ago
5 0
2 ways

1. 21 divided by 40 = 0.525

OR

2. 21/40 x 2.5/2.5= 52.5/100 = 0.525
Happy to Help!
Juli2301 [7.4K]3 years ago
3 0
1/40 = .025, just multiply this by 21 and you have your answer
.525
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How much more would the value of y be on the graph than its value
kipiarov [429]

Answer:

180

Step-by-step explanation:

From the table :

Slope :

m = (y2 - y1) / (x2 - x1)

m = (100 - 80) / (5 - 4)

m = 20 / 1

m = 20

y = 20x

Hence, when, x = 12

y = 20 * 12

y = 240

From the graph:

Slope :

m = (y2 - y1) / (x2 - x1)

m = (280 - 70) / (8 - 2)

m = 210 / 6

m = 35

y = 35x

When x = 12

Graph :

y = 35 * 12

y = 420

Difference :

420 - 240

= 180

6 0
3 years ago
. In a triangle, the second angle measures twice the first, and the third
IRISSAK [1]

Answer:

First angle = x = 35°

Second angle = 2x = 2(35) = 70°

Third angle = 2x+5 = 70 + 5 = 75°

Step-by-step explanation:

<u>Given : </u>

The second angle measures twice the first, and the third angle measures 5 more than the second.

Sum of angles = 180°

<u>Solution : </u>

Let the first angle be x

According to the given question :

Second angles = 2x

Third angle = 2x + 5

we know that Sum of angles = 180°

<u>Solving x value :</u>

x + 2x + (2x+5) = 180°

5x + 5 = 180

5x = 180 - 5

5x = 175

x = 175/5

x = 35

<u>Finding the measure of each angle : </u>

First angle = x = 35°

Second angle = 2x = 2(35) = 70°

Third angle = 2x+5 = 70 + 5 = 75

3 0
3 years ago
I need help with this
miv72 [106K]

Answer:

y = -x + 3

Step-by-step explanation:

8 0
3 years ago
-3x-7 ≤11<br> solve, please
Rom4ik [11]

Answer:

x ≥ -6

Step-by-step explanation:

-3x-7 ≤ 11

-3x-7+7 ≤ 11+7

-3x ≤ 18

(-3x)(1) ≤ 18(-1)

3x ≤ -183x/3 ≤ -18/3

7 0
3 years ago
What is 5 7/10 plus 3 1/3?
Xelga [282]

Answer:

5 31/30 or 181/30

Step-by-step explanation:

5 0
3 years ago
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