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sveticcg [70]
3 years ago
13

Which expression does the graphic represent? 8 positive tiles. 1 tile is crossed out. 7 minus 1 7 minus (negative 1) 8 minus 1 8

minus (negative 1)
Mathematics
2 answers:
Diano4ka-milaya [45]3 years ago
5 0

Answer:

DDDDDDDdddd

<3

Step-by-step explanation:

Tanzania [10]3 years ago
4 0

Answer:

7-(-1)

Step-by-step explanation:

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A high speed elevator can rise 480 feet in 30 seconds. which expression represents the rate, in feet per minute, of the elevator
AleksAgata [21]

R = 960x ft/min

Explaination : 960 is the rate at which the elevator will rise in a minute, while the 'x' represents the amount of minutes passed. Finally the label in the end clarify the units of measure.


4 0
3 years ago
Sasha buys two ribbons of equal length. She cuts 9 pieces of the same length, L, from the first ribbon and finds that 5 inches a
nikitadnepr [17]

Answer:

50 inches.

Step-by-step explanation:

Let the length of the each ribbon was x.

Now, she cuts 9 pieces of same length L which means total length is 9L.

Now, doing the same she was left with 5 inches of ribbon. Hence, we have

[tex[9L+5=x.....(1)[/tex]

Similarly, we can write a equation for the second situation.

2L+40=x......(2)

From equation 1 and 2,

9L+5=2L+40\\\\7L=35\\\\L=5

Plugging this value in equation 1,

9(5)+5=x\\\\x=45+5\\x=50

Therefore, the length of each ribbon when she bought them was 50 inches.

3 0
3 years ago
Eman is planning to sell wind chimes at a craft fair. The cost of her tools for building the wind chimes is 130. The cost of mat
antoniya [11.8K]

We are given : The cost of tools for building wind chimes = $130.

Cost of material for each wind chime = $10.

We need to find the total cost of making 100 wind chimes.

Please note : $130 is the fix cost and $10 is the variable cost of each wind chime.

<em>In order to find the cost of 100 wind chimes, we need to multiply 100 by cost of making one wind chime and add the fix cost for tools for building wind chimes.</em>

Therefore, total cost of making 100 wind chimes = 10×100 + 130

= 1000+130

=1130.

<h3>Therefore, the total cost to make 100 wind chimes is $1130.</h3>

7 0
3 years ago
13+(-19)=<br> Integer's<br> Best one is mark as brainlist
ANEK [815]

Answer:

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Step-by-step explanation:

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5 0
3 years ago
How many different primes make up the prime factor for 180
andre [41]
When we prime factorize, we get 180=2^2*3^2*5. So therefore there are 3 prime factors that make up 180.
6 0
2 years ago
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