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Mars2501 [29]
3 years ago
10

Which 2-digit number is equal to the sum of its first digit plus the square of its second digit?

Mathematics
1 answer:
LenaWriter [7]3 years ago
8 0
Let, the two-digit number = xy

It is given that, xy = x + y²

Then, number which obey the rule is 89.

Check: 8 + 9² = 8 + 81 = 89 [ Itself ]

In short, Your Answer would be: 89

Hope this helps!
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2 years ago
Using long division to show the fraction and decimal in each pair are equal 3/4 and 0.75
SVETLANKA909090 [29]

Answer:

How to show that they are equal.

Step-by-step explanation:

3/4 times 25 equals 75/100 and then when you turn it into a decimal it is 0.75. That is why they are equal.

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2 years ago
Which table shows a constant rate of change of –3?
Zinaida [17]
I belive the answer is the 3rd one
5 0
3 years ago
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the volume of a cone is 36π cubic units. What is the volume of a cylinder that has the same base area and the same height?
ExtremeBDS [4]
V_cone = 1/3 pi * r^2 * h
V_cylinder = pi*r^2*h

If you multiply the cone's volume by 3 then you get the cylinder's volume. They become the same formula
3 V_cone = pi r^2 h
Since the cone's volume is 36pi They cylinder's volume is 3*36pi = 108 pi
6 0
3 years ago
The number 321.8 is 34% of x. What is the value of x rounded to the nearest whole number?
Anni [7]

Answer:

946

Step-by-step explanation:

Let's make an equation :

34% of x = 321.8

Covert 34% into decimal by dividing by 100 :

34 ÷ 100 = 0.34

Rewrite equation with decimal form :

0.34x = 321.8

Divide both sides by x to make x the subject :

x = 321.8 ÷0.34

x = 946.470588235

To the nearest whole number will be 946 as 4 rounds it down

So our final answer will be 946

Hope this helped and have a good day

7 0
1 year ago
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