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ladessa [460]
3 years ago
9

Can y’all help me on this question?

Mathematics
1 answer:
docker41 [41]3 years ago
3 0

Answer:

134

Step-by-step explanation:

There's 2 blue arrows where 39 is, and the same arrows where 4x+7 are. This means that they are the same length. So, 4x+7 = 39. Perimeter means you add, so 28+28+39+39 = 134.

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Z^2 - x; use x = 1, and z = 3
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Answer:

8

Step-by-step explanation:

3^2 = 9 - 1 = 8

6 0
2 years ago
Consider the inequality -20.2 > 0y. Which of the following must be true? Check all that apply.
Lunna [17]

Answer:

1.  You cannot divide by zero.

2. The inequality is equivalent to -20.2 > 0, which is false.

5 0
3 years ago
I need to know the answer
quester [9]
What are your choices?

4 0
3 years ago
A section of concrete pipe 30m long has an inside diameter of 1.2m and an outside diameter of 1.8m. what is the volume of concre
Fudgin [204]

length of pipe= 30m

Inside dia. = 1.2m

Outside dia. = 1.8m


Volume of concrete= (outside dia. - inside dia.)h

V= (pi)
v= [(3.14*0.9*0.9)-(3.14*0.6*0.6)]30

v= (3.3534-1.1304)30
v=(2.233)30 = 66.690m cube

since it's volume the answer 66.690 is in cubic meters.

5 0
4 years ago
Carl spent $140 in six days. He spent $20 on the first day. He spent the same amount of money during the next five days Write an
grin007 [14]

Answer:

answer: he spent $120

Step-by-step explanation:

20×5=100

100+ the initial $20 spent = $120

8 0
2 years ago
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