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kondor19780726 [428]
2 years ago
15

Eight times a number plus five times another number is -13. The first number equals 1 minus the second number. What are the numb

ers.
Mathematics
1 answer:
kipiarov [429]2 years ago
3 0

Answer:

3X+5Y=68 MULTIPLY BY 4

3Y-4X=6 MULTIPLY BY 3 & ADD.

12X+20Y=272

-12X+9Y=18

-----------------

29Y=290

Y=290/29

Y=10 ANS.

Step-by-step explanation:

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If babe ruth averaged 46 home runs per year, how many home runs did he hit in 12 years
bixtya [17]

Answer:

He hit 552 home runs in 12 years

Step-by-step explanation:

To solve this problem, we will follow the steps below;

Using proportion;

Let x be the number of home runs he hits in 12 years

46 home runs = 1 year

    x                  = 12

cross -multiply

x × 1  = 46× 12

x =  552 home runs

Therefore, he hit 552 home runs in 12 years

3 0
3 years ago
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MAVERICK [17]

Answer:

The unit rate would be 1/3 Miles per hour

8 0
3 years ago
The taxes on a piece of property valued at $40,000 were $860. At the same rate, what would be the taxes on property valued at $5
agasfer [191]
Ratio and Proportion Method
Since both are at the same rate, then ratio and proportion can be applied here

If $40000 = $860

Then $55000 =55000x(860/40000)
=$1182.50

Therefore the taxes which would be on $55000 is $1182.50
6 0
2 years ago
[(2+5)2]3<br> ————-<br> (3+4)4
OverLord2011 [107]
1.5

Explanation:
2+5=7 7*2=14 14*3=42

3+4=7 7*4=28

42/28=1.5
8 0
3 years ago
The diagram shown is two intersecting lines. The measure of 5 is 47°.
larisa86 [58]

Answer:

The measure of angle 7 is 47°

The value of x = 69

Step-by-step explanation:

(a) The measure of angle 7 is also 47° { therefore angle 5 angle 7 are vertically opposite angles so they are equal }

(b) if the angle 6 is represented by (2x-5) so the equation will be (2x-5) + angle 5 = 180° { linear pair}

(c)

=> 2x-5+47 = 180

=> 2x + 42 = 180

=> 2x = 180 -42

=> 2x = 138

=> x = 138/2

=> x = 69

7 0
2 years ago
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