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jeka57 [31]
3 years ago
10

What value makes x - 7 = -6 equation true?

Mathematics
1 answer:
Bumek [7]3 years ago
4 0

Answer:

x=1

Step-by-step explanation:

In order to solve this equation, we must add 7 to each side. This gives us x=1

x-7=-6\\\\x=1

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A box can hold 9 books. There are only 5 books in the box. What percentage of the box is full? 56% 80% 1.8% 44%
Doss [256]

Answer:

I do believe that the answer would be 56%

Step-by-step explanation:

Using estimation if the box is half full it would have 4.5 books in the box, if you add that extra book it would be around 56%

6 0
2 years ago
PLEASE HELP WILL MARK BRAINLIEST The frequency f​ (in waves per​ second) and the wavelength w​ (in meters) of a sound traveling
marshall27 [118]

You gave us the speed and the frequency, and you need the wavelength.

You were also nice enough to remind us that (fqy)x(lng) = speed.

So . . . F x W = 343 m/s

Divide each side by F :

W = (343 m/s) / F

W = (343 m/s) / (240 / s)

W = (343/240) m

<em>W = 1.429 meters</em>

8 0
2 years ago
Simplify the expression: 4(x + 3) + 3(5 – x) A X + 27 B X + 8 C 2x + 15 D. 19x + 11​
Jobisdone [24]

Answer:

A

Step-by-step explanation:

4(x+3)+3(5-x)

=4x+12+15-3x

=x+27

4 0
2 years ago
Read 2 more answers
Quadrilateral ABCD is similiar to quadrilateral EFGH. The lengths of the three longest sides in quadrilateral ABCD are 20 feet,
Harman [31]

First, let's list the lengths of the sides in descending order.

Lengths of sides of quadrilateral ABCD: 20, 18, 14, a

Lengths of sides of quadrilateral EFGH: b, c, 6, 5

From the listings above, we see that he sides measuring 14 and 6 are corresponding.

We are looking for c which corresponds to 18.

14 is to 6 is as 18 is to c

14/6 = 18/c

7/3 = 18/c

7c = 3 * 18

7c = 54

c = 54/7 = 7 5/7

Answer: 7 5/7 feet

5 0
3 years ago
Read 2 more answers
a diagonal of a convex polygon is a line segment whose end points are the consecutive vertices of the polygon.say true or false​
AysviL [449]

Answer:

Step-by-step explanation:

False. Diagonals of a convex polygon is a line segment that joints two non adjacent vertices.

7 0
3 years ago
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