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RSB [31]
3 years ago
9

100 points and brainiest if correct:

Mathematics
1 answer:
Sophie [7]3 years ago
7 0

Answer: Add 5 to both sides

What is the first step needed to solve 4 over 7 the whole multiplied by x minus 5 equal negative 13?

Answer- Add 5 to both sides

(4/7)x - 5 = -13

• As mentioned above, first step would be,

adding 5 to both sides

=> (4/7)x - 5 + 5 = -13 + 5

=> (4/7)x = -8

• Now, transporting 7 from L.H.S. to R.H.S

=> 4x = -8 × 7

=> 4x = -56

• Now in the same way, transporting 4 from L.H.S. to R.H.S

=> x = (-56/4)

=> x = -14

• And in this way, or taking<u> (Add 5 to both sides)</u> as our first step, we find that the value of x is -14.

<u>∴ </u><u> </u><u>x = -14</u>

Hope it helps.

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Needs some help please!
serg [7]

Answer:

72 degrees

Step-by-step explanation:

Because you want subtract both of the number from 180 because triangles angles always have to equal 180 degrees. I hope that helped! :)

5 0
2 years ago
Read 2 more answers
PLEASE HELP ASAP!!!!!!!!
Alex

Answer:

12.8 is the speed of the boat

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3 0
3 years ago
3241432 x 54353423 = :/
Fiesta28 [93]
3241432 x 54353423 = <span>176182920000000</span>
7 0
3 years ago
In the image shown, line n is a transversal cutting parallel lines l and m. ∠1 = 3x + 18 ∠7 = 2x + 39 What is the measure of ∠7?
wel

Answer:

B) 81°

Step-by-step explanation:

Given:

From the figure given below,

∠1 = 3x + 18

∠7 = 2x + 39

∠1  and ∠7 are a pair of exterior alternate angles. For two parallel lines l and m, cut by a transversal n, the pair of exterior alternate angles are congruent to each other.

Therefore, the angles 1 and 7 are congruent to each other. This gives,

∠1  ≅ ∠7

3x+18=2x+39\\\\3x-2x=39-18\\\\x=21

Therefore, the value of 'x' is 21.

Now, the measure of angle 7 can be calculated by plugging in the value of 'x' in the expression for angle 7. This gives,

\angle 7 = 2x + 39\\\\\angle 7 =2\times 21+39\\\\\angle 7 =42+29\\\\\angle 7 =81\°

Therefore, the correct option is option (B).

4 0
4 years ago
Read 2 more answers
Draw a picture to show how to find12+37
Karolina [17]
So i drew 12 circles and 37 circles
And i got 49 total:D 
i hope this helps and sorry that the pic is wierd:(


7 0
4 years ago
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