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MaRussiya [10]
3 years ago
7

Pls help and give steps pls I give brainliest thank uuuu

Mathematics
2 answers:
user100 [1]3 years ago
7 0

Answer:

\boxed{Volume \: of \:  rectangular \: prism = 42 \: {cm}^{3}}

Explanation:

Volume of rectangular prism is same as volume of cuboid

Length = 3 cm

Width = 7 cm

Height = 2 cm

Volume of rectangular prism = Length × Width × Height

= 3 × 7 × 2

= 3 × 14

= 42 cm³

krek1111 [17]3 years ago
6 0

Answer: 42 cm to the power of 3

Step-by-step explanation: L x w x h

3 x 7 x 2

21 x 2

42

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Answer:

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Step-by-step explanation:

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4 0
3 years ago
What are the solutions to the equation (x + 2)^2 = 49?
Mekhanik [1.2K]

Answer:

X= 5, -9

Step-by-step explanation:

(X+2)² =49

Expand the bracket,


(X+2) (X+2)= 49

Apply the distributive property;

X(X+2) +2 (X+2) =49

X²+2X+2X+4=49

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Move 49 to the left side of the equation;

X²+4X+4-49=0

X²+4X-45=0

Apply Factorisation method;

Consider the form

a²+bx+c=0  

Find two numbers whose sum is equal to b and whose product is equal to c.
Comparing with our equation;

B =4 and C =45

We can use 9 and -5, this is because ;

9+(-5)=4 and 9*(-5)= 45.

Replace X +4X-45=0 with (X-5) (X+9)=0

Therefore;

X-5=0

X+9=0

Moving to the left side of the equation;

Therefore X= 5 and -9

8 0
3 years ago
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Ghella [55]

Answer:

4.47

Step-by-step explanation:

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Step-by-step explanation:

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