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bija089 [108]
2 years ago
7

Please help me asap i will give a brainliest to the first person to answer​

Mathematics
1 answer:
kirill [66]2 years ago
5 0

Answer:

6=a

7=b

9=b

Step-by-step explanation:

SOMEONE DELETED MY ANSWER AND IT WAS CORRECT ANY WAY SORRY I DONT KNOW ALL OF THEM

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Suppose the length and width of the rectangle are doubled. What effect would this have on the area? Justify your answer
Marta_Voda [28]

Answer:

the area would be 4 times

Step-by-step explanation:

4* 17 = 68

8* 34 = 272

272/68= 4

6 0
3 years ago
The length of a photograph is 1 cm less than twice the width. The area is 91cm^2. Find the width and length.
Brums [2.3K]
Let the width = x
=>length = 2x-1

91= x(2x-1)=2x^2-x
2x^2-x-91=0
=(2x+13)(x-7)
=> x=-13/2=> no
=>x= 7 cm
7 0
3 years ago
Graph y=-1/2x-6 WILL GIVE BRAINLIEST
user100 [1]
This is the graph for that

6 0
3 years ago
Read 2 more answers
Referring to the figure, find the area of the
NISA [10]
If its 21 inches then rounding to the nearest who should be 21 inches
7 0
3 years ago
Read 2 more answers
Solve For Each Variable.
bixtya [17]

The first equation given 6=1-2n+5

We have to add 1 and 5 to the right side first. We will get,

6= 6 - 2n

To get rid of 6 from the right side we have to subtract 6 from both sides.

6-6 = 6-6-2n

6-6 = -2n

0=-2n

To find n we have to move -2 to the other side by dividing both side by -2.

0/-2 = -2n/-2

0= n

n=0

So we have got the required answer for the first question.

The solution is n = 0.

The second equation given,

8x-2 = -9+7x

First we have to move 7x to the left side by subtracting it from both sides.

8x-7x-2 = -9+7x-7x

8x-7x-2 = -9

x-2 = -9

Now we have to move -2 to the right side by adding 2 to both sides.

x-2+2 = -9+2

x = -9+2

x = -7

We have got the required answer for the second question.

The solution is x = -7.

The third equation given,

-8 = -(x+4)

We have to get rid of that negative sign from both sides. As we have negative sign to both sides we can cancel it out. We will get,

8=x+4

Now we have to move 4 to left side by subtracting it from both sides.

8-4 = x+4-4

8-4 = x

4=x

x = 4

So we have got the required answer .

The solution is x = 4.

3 0
2 years ago
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