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mixas84 [53]
3 years ago
10

Write an equivalent expression for 7x + 4x + 3 -1

Mathematics
2 answers:
KatRina [158]3 years ago
5 0

if you distribute but the opposite

x(7+4)+3-1
nignag [31]3 years ago
5 0
Depends on what your doing but if you combine like-terms you get 11x+2
7x+4x+3-1=11x+2
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Add. 56+234 Enter the sum in the box as a mixed number in the simplest form.
Kobotan [32]

Answer:

290

Step-by-step explanation:

First, add two digit number from them.

50 + 30 = 80

Second, add the last two numbers.

6 + 4 = 10

So, add these two results.

80 + 10 = 90

Final, all of theses results are added to three digit number of second number.

So, final result is

200 + 90 = 290

5 0
3 years ago
Isabella has 2 1/4 oranges. Colleen has 3 1/4 oranges. How many all together?
pentagon [3]
The answer is 5 1/2.
5 0
3 years ago
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Which choice best represents the area of a circle with a diameter of 16 cm. Use ≈3.14
Amiraneli [1.4K]

Answer:

it is 803.84 centimeters squared

Step-by-step explanation:

area of a circle is r^2* 3.14

=16*16*3.14

=803.84

3 0
3 years ago
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:>
nevsk [136]

#Personal computer:-

  • Total=480

Percent

\\ \bull\sf\dashrightarrow \dfrac{480}{1500}\times 100

\\ \bull\sf\dashrightarrow 32\%

#Pacemaker:-

\\ \bull\sf\dashrightarrow 0.26(1500)

\\ \bull\sf\dashrightarrow 390

#Wireless communication:-

\\ \bull\sf\dashrightarrow 0.18(1500)

\\ \bull\sf\dashrightarrow 270

#Television:-

Percent

\\ \bull\sf\dashrightarrow \dfrac{150}{1500}\times 100

\\ \bull\sf\dashrightarrow 10\%

#Others

  • 100-(10+18+26+32)=100-86=14%

\\ \bull\sf\dashrightarrow 0.14(1500)

\\ \bull\sf\dashrightarrow 225

4 0
3 years ago
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Three boards are placed end to end to make a walkway. The first board is 4 feet inches 10 long, the second board is 2 feet 11 in
Strike441 [17]

Answer:

12 ft 2 in.

Step-by-step explanation:

Conversion: 1 ft = 12 in.

Add the lengths of the boards.

4 ft 10 in. + 2 ft 11 in. + 4 ft 5 in. =

= 4 ft + 2 ft + 4 ft + 10 in. + 11 in. + 5 in.

= 10 ft + 26 in.

= 10 ft + 24 in. + 2 in.

Since 1 ft = 12 in., then 24 in. = 2 ft.

= 10 ft + 2 ft  + 2 in.

= 12 ft 2 in.

5 0
1 year ago
Read 2 more answers
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