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tester [92]
2 years ago
7

Simplify 15(5b+3) Please help me I don't understand at all

Mathematics
1 answer:
melamori03 [73]2 years ago
3 0
15(5b+3) \\ \\ 15 \times 5b + 15 \times 3 \ / \ distribute \\ \\ 75b + 15 \times 3 \ / \ simplify \\ \\ 75b + 45 \ / \ simplify \\ \\

The final result is: 75b + 45.
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Pls some1 help I’ll help u PLSSSS HELP
kakasveta [241]

1/3 is bigger than 30%

4 0
3 years ago
Classify each angle of the degrees
zhuklara [117]

Answer:

acute

right angle or obtuse

obtuse

Step-by-step explanation:

those are the answers

6 0
3 years ago
1.A five - layer of cake weighs half a kilogram per layer.In each layer,the cake is decorated with icing which weighs 15g.3 cand
julia-pushkina [17]

Answer:  2.815 kilograms

======================================================

Work Shown:

1 layer = 0.5 kg

5 layers = 5*(0.5 kg) = 2.5 kg

icing = 15 g = 15/1000 = 0.015 kg

1 candle = 100 g = 100/1000 = 0.1 kg

3 candles = 3*(0.1 kg) = 0.3 kg

------------------------

The five layers combine to 2.5 kg. On top of that we have 0.015 kg of icing, and then finally the three candles add 0.3 kg more weight.

The total weight is therefore: 2.5+0.015+0.3 = 2.815 kilograms

3 0
3 years ago
Which expression is not a polynomial?<br> x³<br> x² - 2x<br> x³ +1<br> 12x
zaharov [31]

Answer:

12x

Step-by-step explanation:

It has no exponent so it is not a polynomial

3 0
1 year ago
The volume of a sphere is 36 cubic inches. What is the radius of the sphere?
Serjik [45]

Answer:

2.05 inches

Step-by-step explanation:

V = 4/3 x πr³

36=4πr³/3

36x3= 4πr³

108= 4πr³

108/4 = πr³

27= πr^3

27/π =r³

r=

\sqrt[3]{27 \div \pi}

r= 2.048in

round off to 2.05in

<u>PROOF</u>

V = 4÷3 x πr³

V= 4/3 x π(2.05)³

V=4/3 x π8.6

V=4×π×8.6/3

V=108/3

V=36in³

Therefore: radius= <u>2.05 inches</u>

8 0
2 years ago
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