Write the number 31 in tens and ones. 2 tens _ones

Answers

Answer 1
Answer: three tens and one ones.
Answer 2
Answer: 3 tens actually and 1 one ones
Hope this helps:)

Related Questions

When working with rational expressions, restricted values are values of your variable that results in an undefined rational expression. Given the following rational expressions: 2x+4/x^2−x−6 and 2/x−3 Determine whether the rational expressions are equivalent and explain your answer. Determine the values that would make the rational expressions undefined. Are these values the same or different? Explain.
45 is 15% of what number
Which expression is equivalent to 12x − 8x + 3 and why?3 + 4x, because (12x − 8x) + 3 = 4x + 3 = 3 + 4x 7x, because 12x − 8x + 3 = 4x + 3 = 7x 12x − 5, because 12x − (8x − 3) = 12x − 5 x, because 12x − 8x + 3 = 12x − 11x = x
Students were asked to choose their favorite subject and, and 3/5 choose either history or biology. If 1/5 of the students choose history, what fraction choose biology?
The English class has half as many students as the math class

You cut a sheet of paper along its diagonal, as shown. What is the length of the diagonal? Round your answer to the nearest tenth. HOW MANY INCHES?

Answers

Answer:

14.4

Step-by-step explanation:

Use the Pythagorean Theorem: a^2 + b^2 = c^2

Answer:

14.4

Step-by-step explanation:

12% of 72 is what number ?

Answers

On your calculator:

12/100*72=8.64

Therefore,

8.64 is 12% of 72.

12% of 72 is 8.64.

The required number is 8.64.

To find 12% of 72, you can use the following formula:

Percentage = (Percentage Value / 100) * Total Value

Where:

Percentage is the percentage you want to find (in this case, 12%).

Total Value is the whole amount (in this case, 72).

Let's calculate it:

Percentage = (12 / 100) * 72

To find 12% of 72, first, convert 12% to a decimal by dividing it by 100:

Percentage = 0.12 * 72

Now, multiply the decimal by 72:

Percentage = 8.64

So, 12% of 72 is 8.64.

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80 POINTSSolve for x. Use the completeing the square method. x^2+8x=7

Answers

Answer:

x = -4 ±√23.

Step-by-step explanation:

x^2 + 8x = 7

(x + 4)^2 - 16 = 7

(x + 4)^2 = 23

x + 4 = ±√23

x = -4 ±√23.

Answer: The correct answer is C.

Step-by-step explanation:

x^(2) +8x+16

⇒ which is also, (X+4x^(2) ) = 23

⇒ So, x + 4 is a square root of 23.

⇒ Then, it could be positive or negative one:

So that's why the answer would be C.

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4% of ____ days is 56 days

Answers

4%=4/100
4/100=56/x
(4)(14)=56, (100)(14)=1400)
4/100=56/1400
therefore 4% of 1400 days is 56 days
:)
We know that 4% = 56 days
To work out 1% we can divide the number of days by 4, as 4% / 4 = 1%
56 / 4 = 14
1% = 14 days

What we want to find next is what 100% is
From 1%, we multiply by 100 to get 100%, we do the same to the number of days
14 x 100 = 1400 days

What is the perimeter of the triangle shown on the coordinate plane, to the nearest tenth of a unit?

Answers

Answer:

25.6 units

Step-by-step explanation: From the figure we can infer that our triangle has vertices A = (-5, 4), B = (1, 4), and C = (3, -4).

First thing we are doing is find the lengths of AB, BC, and AC using the distance formula:

d=\sqrt{(x_2-x_1)^{2} +(y_2-y_1)^{2}}

where

(x_1,y_1) are the coordinates of the first point

(x_2,y_2) are the coordinates of the second point

- For AB:

d=\sqrt{[1-(-5)]^{2}+(4-4)^2}

d=\sqrt{(1+5)^{2}+(0)^2}

d=\sqrt{(6)^{2}}

d=6

- For BC:

d=\sqrt{(3-1)^{2} +(-4-4)^{2}}

d=\sqrt{(2)^{2} +(-8)^{2}}

d=\sqrt{4+64}

d=\sqrt{68}

d=8.24

- For AC:

d=\sqrt{[3-(-5)]^{2} +(-4-4)^{2}}

d=\sqrt{(3+5)^{2} +(-8)^{2}}

d=\sqrt{(8)^{2} +64}

d=\sqrt{64+64}

d=\sqrt{128}

d=11.31

Next, now that we have our lengths, we can add them to find the perimeter of our triangle:

p=AB+BC+AC

p=6+8.24+11.31

p=25.55

p=25.6

We can conclude that the perimeter of the triangle shown in the figure is 25.6 units.

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if the ratio of red roses to yellow roses is 4 to 6 and there are a total of 50 roses how many of them are yellow

Answers

Ratio of red roses to yellow roses as given in the question = 4:6
Total number of roses in the question = 50
Let us assume that the common ratio is = x
Then
4x + 5x = 50
10x = 50
x = 50/10
   = 5
Then
The number of yellow roses = 6 * 5
                                              = 30
So there are 30 yellow roses among the total of 50 roses. I hope the procedure is simple enough for you to understand. You can use this procedure for solving similar type of problems in future. I hope this has helped you.