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lesantik [10]
2 years ago
12

Consider the equation and its solution. Negative 15 (x minus box) = 25. Negative 15 x + 30 = 25. Negative 15 x = negative 5. x =

one-third. What number should be in the empty box? Negative 30 Negative 2 2 30
Mathematics
2 answers:
Romashka-Z-Leto [24]2 years ago
6 0

Answer:

-2

Step-by-step explanation:

Solnce55 [7]2 years ago
4 0

Answer:

  -2

Step-by-step explanation:

Between the first two steps we see ...

  15(x-\boxed{^})=25\\\\15x+30=25

Applying the distributive property to the first equation and comparing to the second, we see that ...

  -15\boxed{^}=30\\\\\boxed{^}=\dfrac{30}{-15}=-2

The number in the box should be -2.

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First, find the digit in the place you are rounding to. Look at the digit one place to the right. If the digit is less than 5, round down. If the digit is 5 or greater, round up.
For example: round 1.86 to the nearest tenth
Look at the tenth digit (8). The number to the right of it is 6. Since it’s above 5, round the 8 up to 9. So you would get 1.9.

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3 0
2 years ago
Amira has 3/4 of a bag of cat food. Her cat eats 1/10 of a bag per week. How many weeks will the food last.
sergiy2304 [10]

Answer:15

Step-by-step explanation:

You have to divide the fractions so it 3/4÷1/10 then you can do keep change flip so the new equation is 3/4×10/1 or 3/4×10 then cross simply then get 3/2×5/1 to get 15/2 then use division to get 7 1/2

4 0
2 years ago
Each pail of plaster covers 90 square feet of ceiling. What is the least number of plaster you would need to buy to cover the ce
denpristay [2]
You would need 3 pails of plaster, specifically about 2 pails and a fifth of another but you cant buy a fraction of a pail, so 3 pails are needed.
4 0
2 years ago
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vaieri [72.5K]
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2 years ago
Nina bicycles 4 miles west to get from her house to school. After school, she bicycles 3 miles north to her friend Tracy's house
nikitadnepr [17]

Answer:

Distance between nina's house to her friend's home = AC = 5 miles

Step-by-step explanation:

Distance between nina's house to her school = BC = 4 miles

Distance between nina's school to her friend's home = BA = 3 miles

Distance between nina's house to her friend's home = AC = ??

From the ΔABC

AC^{2} = AB^{2}  + BC^{2}

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AC^{2} =25

AC = 5 miles

Therefore Distance between nina's house to her friend's home = AC = 5 miles

5 0
2 years ago
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