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Brums [2.3K]
3 years ago
9

Find the value of x in the triangle shown above ​

Mathematics
1 answer:
zalisa [80]3 years ago
5 0
The answer is A. 4
in this equation you use pythagoreans theorem

x^2-8^2=9^2

x^2-64=81

81-64=17

square x^2 square 17

x=4.12 rounded to 4
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A 13-ft piece of string is cut into two pieces so that the longer piece is 4 feet longer than twice the shorter piece. Find the
hammer [34]

Answer:

The length of the shorter piece = 3 ft

The length of the longer piece = 10 ft  

Step-by-step explanation:

According to the question;

  • Total length of the string is 13 ft
  • Longer piece is 4ft longer than twice the shorter piece;

Therefore;

  • Assuming the shorter piece is x ft
  • Then, the longer piece will be (2x + 4) ft

Thus;

Longer piece + shorter piece = 13 ft

x ft + (2x + 4) ft = 13 ft

3x + 4 = 13

3x = 9

 x = 3 ft  and

2x + 4 = 10 ft

Therefore;

The length of the shorter piece = 3 ft

The length of the longer piece = 10 ft  

5 0
3 years ago
John sold 4 big screen televisions during the month of May. He sold them for $1,289, $1,343, $2,123 and $969. Rounding to the ne
lesya692 [45]
The answer is $6700

When you round these numbers to the nearest 100, you get $1300, $1300, $2100 and $1000. When you add these numbers together you get $6700.

Hope this helps!
8 0
3 years ago
Which of the statements about the inequality graphed here is INCORRECT?
slavikrds [6]

A) The slope is negative

4 0
3 years ago
The dance committee of Pine Bluff Middle School earns $72 from a bake sale and will earn $4 for each ticket they sell to the Spr
nordsb [41]

Answer:

t > 82

Step-by-step explanation:

First write what we know.

Earned $72

$4 per ticket, t

Cost is $400

So let's write our equation:

The cost is $400 so we put that on the left side,

$400 =

Now on the right side, we know they earned $72, so +$72 and each ticket (t) is $4 so $4t would represent the amount earned after they sell a certain number of tickets.

So we write:

$400 = $4t + $72 Now solve for t to find the number of tickets they need to sell.

400 = 4t + 72   Subtract 72 from each side.

400 - 72 = 4t + 72 - 72  

328 = 4t     Divide each side by 4.

328/4 = 4t/4

328/4 = t

82 = t

If the committee wants money left over they need to sell more than 82 tickets!

Our inequality is:

t > 82

7 0
3 years ago
Juanita is making paper flowers to use as decoration for a party. The table below shoes the total cost for different numbers of
Leno4ka [110]

Answer:

A.

$1.40, $1.75, $2.10

B.

40

Step-by-step explanation:

A.

Follow the pattern of $0.35

B.

14 divided by 0.35 = 40

Hope this helps! Please mark as brianliest.

3 0
3 years ago
Read 2 more answers
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