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solniwko [45]
3 years ago
5

I need some help solving these​

Mathematics
2 answers:
Allisa [31]3 years ago
8 0

Answer:1. 4x5

2. 7xm

3. 3xa

Step-by-step explanation: length times height to get area!

vodka [1.7K]3 years ago
6 0

Answer:

Number 1 would be 4 x 5 = area

Number 2 would be 7 x m = area

And number 3 would br 3 x a = area

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PLEASE HELP ASAP!!!!! 8TH GRADE MATH IDKKK!!! 3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
alexdok [17]
Remove all the brackets
3(7 + 2x) + 3 = 3(5 + x) − 9(x + 1)
21 + 6x + 3 = 15 + 3x - 9x - 9 Collect like terms.
24 + 6x = 6 - 6x Add 6x to both sides.
24 + 6x + 6x = 6 Subtract 24 from both sides
12x = 6 - 24
12x = - 18 Divide by 12
x = - 18 /12
x = - 1.5
Check
3(7 + 2*(-1.5)) + 3 = ? 3(5 + -(1.5) - 9(-1.5 + 1)
3(7 - 3) + 3 =? 3(3.5) - 9*(-1/2)
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6 0
4 years ago
Which pyramids with base area B and height h have equal volumes.
Reptile [31]

C and D

the volume ( V) of a pyramid is found using the formula

V = \frac{1}{3} × area of base × height

calculating each of the volumes gives

(A)  V = \frac{1}{3} × 10.5 × 6 = 21 in³

(B)  V = \frac{1}{3} × 3.6 × 8 = 9.6 in³

(C)  V = \frac{1}{3} × 4.2 × 12 = 16,8 in³

(D)  V = \frac{1}{3} × 6 × 8.4 = 16.8 in³

C and D have equal volumes


5 0
3 years ago
2 + 22 + 22 + 22 + 22 + 22 + 22 + 22 + 22 + 22 + 22 + 22 + 22 + 2
Fittoniya [83]

Answer:

268 is the answer.......

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vfiekz [6]
I would say (C.)
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3 years ago
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Absolute value is the answer to this question!
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3 years ago
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