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natta225 [31]
2 years ago
15

4x + 90 find the value of x

Mathematics
1 answer:
Sergeu [11.5K]2 years ago
8 0

Answer:

x = -22.5

Step-by-step explanation:

Assuming 4x + 90 = 0

4x + 90 = 0

4x = -90

-90/4 = -22.5

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DanielleElmas [232]

Divide 1 3/4 into 15. I like to change my fractions into decimals, so I will be using the decimal form of 1 3/4, which is 1.75

15 ÷ 1.75 = 8.571

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6 0
3 years ago
Determine which answers are solutions of the inequality 2x + 1 > 5
svet-max [94.6K]

Answer:

A and E

Step-by-step explanation:

2x + 1 > 5

So, subtract the 1 from both sides,

2x > 4

x > 2

So anything greater than 2...

7 and 3 are greater than 2.

A and E.

5 0
3 years ago
Which answer represents the series in sigma notation -3+(-1)+1+3+5​
professor190 [17]

Answer      r u supposed to add u have to add all that up or u wont get the write answer.

Step-by-step explanation:

8 0
3 years ago
The surface area of this rectangular prism is 1,414 square meters. What is the volume?
Mice21 [21]

Answer:

2940

Step-by-step explanation:

Surface Area of a rectangular prism is 2(LW)+2(HW)+2(LH)

We have that the surface area is 1414 where L=c , H=20, W=7

Let's plug all of this in to solve for c:

2(LW)+2(HW)+2(LH)=1414

2(c*7)+2(20*7)+2(c*20)=1414

14c+280+40c=1414

54c+280=1414

54c=1414-280

54c=1134

c=1134/54

c=21

Now the volume of a rectangular prism is V=L*W*H

So plug in our values L=21, H=20, W=7

V=21*20*7=2940

7 0
3 years ago
Solve the equation. ​
Sav [38]

Answer:

(3,-0.5)

Step-by-step explanation:

-hope it helps

8 0
3 years ago
Read 2 more answers
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