3 years ago

(3b)^2 without exponents

Mathematics

1 answer:

Strike441 [17]3 years ago

4 0

That's impossible
the answer is 9b^2

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I need help. A building with a height of 48 m casts a shadow that is 30 m long. A person standing next to the building casts a s

lutik1710 [3]

Answer:

1.28 m

Step-by-step explanation:

48/30 = x/.8

cross multiply

30x = 48(.8)

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x = 38.4/30

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3 years ago

What is -5+3x-16-10x

Vedmedyk [2.9K]

Ok here I go lol
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3 years ago

Read 2 more answers

What is the answer to 3 4/5 + 2 3/8=

8090 [49]

Answer:

6 $\frac{7}{40}$

Step-by-step explanation:

original equation: $3\frac{4}{5}+ 2 \frac{3}{8}$

put into mixed numbers: $\frac{19}{5} + \frac{19}{8}$

find the lowest common denominator: 40

adjusted to LCD: $\frac{152}{40} + \frac{95}{40\\}$ $=\frac{247}{40}$

152+ 95= 247

247/40= 6.175

0.175 as a fraction is $\frac{7}{40}$

answer: 6 $\frac{7}{40}$

4 0

3 years ago

2x -y + 2z = 5<br> -3x +y -z = -1<br> x- y + 3z = 2

stealth61 [152]

Answer:

I actually do not know

Step-by-step explanation:

but I will try any which class I am 12

5 0

1 year ago