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CaHeK987 [17]
4 years ago
6

What does 7 + 2x = 9

Mathematics
2 answers:
miss Akunina [59]4 years ago
6 0

Answer:

1

Step-by-step explanation:

7 + 2x = 9

Carry over the 7 to the 9.

2x = 9-7

2x= 2

x = 2÷2

x = 1

Ira Lisetskai [31]4 years ago
6 0

Answer: x = 1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

2x+7=9

Step 2: Subtract 7 from both sides.

2x+7−7=9−7

2x=2

Step 3: Divide both sides by 2.

2x/2 = 2/2 = 1

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A tin of tennis balls costs $6.99, and each tin contains 4
GuDViN [60]

Answer:

About $1.75 per tennis balls

Step-by-step explanation:

A tin of 4 tennis balls costs $6.99. We are asked to find the price of one tennis ball.

We need to find the unit price, or price per ball.

Divide the cost by the number of tennis balls.

cost / tennis balls

cost = $6.99

tennis balls = 4 tennis balls

$6.99 / 4 tennis balls

Divide 6.99 by 4.

$1.7475 / 1 tennis ball

Round to the nearest cent or hundredth. The 7 in the thousandth place tells us to round the 4 to a 5 in the hundredth place.

$1.75 / 1 tennis ball

It would cost approximately $1.75 for one tennis ball.

6 0
3 years ago
A rectangle is divided into exactly 20 congruent squares. Then these squares are lined up in a single row extending 36 inches (3
arlik [135]

The area of the rectangle is 64.8 square .inch

<h3>What is a Rectangle ?</h3>

A rectangle is a polygon with four sides , opposite sides are parallel and equal.

It is given that

A rectangle is divided into exactly 20 congruent squares

If they are lined up the Length is 36 inches

Therefore the length of each square or the side of the square = 36/20

= 1.8 inch

The area of the rectangle will be

20* Side of square * Side of square

=20*1.8*1.8

= 64.8 square inch

The area of the rectangle is 64.8 square .inch

To know more about Rectangle

brainly.com/question/15019502

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6 0
2 years ago
A roulette wheel is constructed so that the numbers can fall from 1 to 10 and the probability of falling a number (k + 1) is 2 t
yulyashka [42]

Answer: ggggggggggggggggggggggggggggggggggggghhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjjkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkkddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd

Step-by-step explanation:

3 0
3 years ago
PLS HELP Solve for x <br><br>Enter your answer in the box.​
Gemiola [76]

Answer:

6

Step-by-step explanation:

If two secants are drawn from a point outside a circle, then product of one secant segment and its external part equal the product of the other secant segment and its external part.

(Secant-Secant Power Theorem)

(JG)(JH) = (JM)(JK)

(16) X (7) = (8+X)(8)

112=64+8X

8X=48

X=6

5 0
2 years ago
N(n+p)-n; use n=5, and p=3​
andrew-mc [135]

Answer:

45

Step-by-step explanation:

We can first expand the expression:

n(n+p) - n

= n^2 + np + n

Then, we can plug in values of n and p into the expression:

n^2 + np + n = (5)^2 + (5)(3) + 5 = 25 + 15 + 5 = 45

6 0
3 years ago
Read 2 more answers
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