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jonny [76]
3 years ago
11

Given the equation 3x + 7 = -4, which

Mathematics
1 answer:
Pavel [41]3 years ago
7 0

Answer:

Subtraction Property of Equality

Step-by-step explanation:

you should subtract both side with 7 first.

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Please i need help it’s urgent
777dan777 [17]

Answer:

4.5

Step-by-step explanation:

6x + 42 = 18x - 12 (alternate angles)

or, 18x - 6x = 42+12

or, 12x = 54

or, x = 54/12

x= 4.5

8 0
3 years ago
Juanita says that 3.5[4d - (2) (1.5)] and 2[7d - (5)(1.05)] are equivalent. Is Juanita correct? Explain your reasoning.
valkas [14]

Answer:

Yes

Step-by-step explanation:

3.5 [4d - 2*1.5] = 3.5*4d - 3.5*2*1.5

                        = 14d - 10.5

2*[7d - 5*1.05] = 2*7d - 2*5*1.05

                       = 14d -  10.5

When we are simplifying both the expression using distributive property, we get the same expression at the end.

8 0
3 years ago
Kellie has 3/5 hour left to finish 6 math problems on the test how much time does she have to spend on each problem
seropon [69]

Answer:

6 minutes

Step-by-step explanation:

There are 60 minutes in an hour. This can be broken up into 5 12-minute intervals. From there, you can do 3 intervals of 12 minutes which is 36 minutes. The 36 minutes is divisible by 6 questions getting to 6 minutes per question.

8 0
2 years ago
What is the number between 3/25 and the square root of 14
astra-53 [7]

Answer:

3.74165738677

Step-by-step explanation:

6 0
3 years ago
The area of the surface of the trampoline is equal to twice its perimeter. Find the dimensions of the trampoline.
grigory [225]
A = lw
A = (x + 6)4x
A = (x)4x + (6)4x
A = 4x² + 24x
5 0
2 years ago
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