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GenaCL600 [577]
2 years ago
5

A + bx: a = 15,b= -4, and x = -3

Mathematics
1 answer:
Sphinxa [80]2 years ago
3 0
Answer: 27

explanation:
plug in the numbers for their corresponding letter...
15 + (-4)(-3)
then use PEMDAS...
15 + (12)
= 27
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PLEASE HELPPPP!! i need this quicklyyy
ale4655 [162]

Answer:

Inequality form

-4 < x < -1 or -1< x ≤ 1

Interval notation

( -4 , -1 ) ∪ ( -1 , 1 ]

8 0
3 years ago
Solve for : can someone plss help I dont remember how to solve this ​
ArbitrLikvidat [17]

Answer:

x = 18

Step-by-step explanation:

7x - 26 = 5x + 10

7x - 26 - 5x - 10 =0

2x - 36 = 0

2x = 36

x = 18

7 0
3 years ago
What is the volume of the composite figure shown? (Use 3.14 for π.)
Nimfa-mama [501]
The\ volume\ of\ the\ cone:V_1=\frac{1}{3}\pi r^2 H\\(r-a\ radius;\ H-height)\\------------------\\r=7ft;\ H=7ft\\\\V_1=\frac{1}{3}\pi\cdot7^2\cdot7=\frac{1}{3}\pi\cdot343=\frac{343}{3}\pi\ (ft^2)\\-------------------\\The\ volume\ of\ the\ cylinder:V_2=\pi r^2 H\\(r-a\ radius;\ H-height)\\-------------------\\r=7ft;\ H=6ft\\\\V_2=\pi\cdot7^2\cdot6=294\pi\ (ft^3)\\------------------------\\The\ volume\ of\ the\ composite\ figure: V_F=V_1+V_2

V_F=\frac{343}{3}\pi+294\pi=\frac{343}{3}\pi+\frac{294\cdot3}{3}\pi=\frac{343}{3}\pi+\frac{882}{3}\pi=\boxed{\frac{1225}{3}\pi\ (ft^3)}\\\\\approx\frac{1225}{3}\cdot3.14}=\frac{3846.5}{3}\approx\boxed{1,282.17\ (ft^3)}\leftarrow answer
7 0
3 years ago
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vampirchik [111]

Step-by-step explanation:

..........

5 0
2 years ago
Read 2 more answers
34(4a + 12) = 21 a = <br> please find my answer
noname [10]

Answer: a = 2,84

Step-by-step explanation:

34(4a + 12) = 21 a =

136a + 408 = 21

136a = -408 + 21

136a = - 387

a =   <u>- 387 </u>

         136

a = - 2,84

8 0
3 years ago
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