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shusha [124]
4 years ago
10

If 5x4(50x378)64592x6356-7436 what is the answer

Mathematics
1 answer:
lora16 [44]4 years ago
4 0

Step-by-step explanation:

20(18900)410546752-7436

=1.551866723×10^14

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The digits of a two-digit number sum to 8. When the digits are reversed, the resulting number is 18 less than the original numbe
Ainat [17]

Answer:

53

Step-by-step explanation:

Let's make some equations.

The number is two-digit, so let's make it xy

Also, the two digits add up to 8, so x+y=8

Now the value of xy=10x+y

and the value of yx=10y+x

Since we know that when we reverse the digits the number is less than the resulting number by 18, we can formulate an equation.

10y+x=10x+y+18

Solve this equation.

9y-9x=18

9(y-x)=18

y-x=2

Now let's use the equation we made earlier.

Change x+y=8 into y=8-x

Solve the system of equations.

y-x=2

y=8-x

8-x-x=2

8-2x=2

-2x=-6

x=3

y-3=2

y=5

So the original number is 53.

4 0
3 years ago
4 2/5 = _?_ - 1 2/3.
Salsk061 [2.6K]
The answer is 1 2/3+4 2/5=91/15
6 0
3 years ago
A pair of football cleats cost $42.00. Samantha make $1.75 every time she washes the dishes. Write and solve an equation do find
nataly862011 [7]

Easy

Answer:

She will have to wash the dishes 24 times in order to buy the football cleats

Step-by-step explanation:

If she earns $1.75 every time she washes a dish we will have to divide the cost of football cleats with the amount she makes

5 0
3 years ago
What is the solution to the system of equations?
ICE Princess25 [194]
A (-30,8) that’s the answer
4 0
3 years ago
Read 2 more answers
I GIVEEE BRAINL,ILSTTT
Ulleksa [173]

Answer:

D

Step-by-step explanation:

add both the car and college payments together and divide by 1200 then multiply by 100 to get the pergecntage.

4 0
3 years ago
Read 2 more answers
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