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skad [1K]
2 years ago
8

The sum of the digits of a two-digit number is 8. The difference between the number and the reversed number is 10 more than the

reversed number. Find the number.
Mathematics
2 answers:
maks197457 [2]2 years ago
5 0

Answer:

62

Step-by-step explanation:

vichka [17]2 years ago
3 0

Answer:

62

Step-by-step explanation:

Let the two digit number be XY

X+Y = 8

10X+Y - (10Y+X) = 10Y+X+10

10X+Y-10Y-X=10Y+X+10

8X-19Y=10

8(8-Y)-19Y=10

64-8Y-19Y=10

27Y=54

Y=2

The number is therefore 62.

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3) Calculate the area of the entire triangle below. Show your work *<br><br> 22<br> 31<br> 8
dalvyx [7]

Answer:

a = 1/2 (b) (h)

Step-by-step explanation:

Use Pythagorean theorem for sub triangle on the left: 8^2 + h^2 = 22^2

Use Pythagorean again for sub triangle on the right: x^2 + h^2= 31^2

Find your base: 8+x=b

Find entire area: a = 1/2 (b) (h)

4 0
2 years ago
Find the solution set of this system:
bezimeni [28]

Answer:

(−4, 12), (1, −3)

Step-by-step explanation:

y = −3x

x^2 −4 = y

so

x^2 −4 = −3x

x^2 + 3x - 4 = 0

(x + 4)(x - 1) = 0

x + 4 = 0; x = -4

x - 1 = 0; x = 1

when x = 1, y = -3(1) = -3

when x = -4, y = -3(-4) = 12

Answer

(-4 , 12), (1 , -3)

3 0
2 years ago
Read 2 more answers
What is answer to this its my home work
Elena L [17]
16 1/2 is the answer
7 0
3 years ago
Read 2 more answers
If x = -2, what does -x mean
pickupchik [31]

Answer:

<h2><em><u>-x</u></em><em><u> </u></em><em><u>=</u></em><em><u> </u></em><em><u>2</u></em></h2>

Step-by-step explanation:

<em><u>If</u></em><em><u>,</u></em>

x = -2

<em><u>Then</u></em><em><u>,</u></em>

-x = -(-2)

=> <em><u>-x = 2 (Ans)</u></em>

6 0
3 years ago
I will give Brainiest if you are right
dmitriy555 [2]

Answer:

The answer is $22.75! (A)

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All you have to do is subtract $36.50 by $13.75 and get the amount of the 2nd piggy bank.

22.75 + 13.75 = 36.50

8 0
3 years ago
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