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Andrei [34K]
3 years ago
11

Correct answer gets brainlest

Mathematics
2 answers:
AnnZ [28]3 years ago
8 0
19(25x2)
= 19(50)

19 x 50

(10x50) + (9x50)

number 1 and 4 and 6
Leona [35]3 years ago
4 0

Answer:

1. 19(25x2)

Step-by-step explanation:

19 x 25 = 475

475 x 2 = 950

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Answer:

     

Step-by-step explanation:

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A human hair was measured to be 8.0×10−48.0×10-4 inch thick. A cat hair was measured to be 4.0×10−14.0×10-1 inch thick. How much
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I think it's 5.9 km not sure
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Jennifer is organising a street party. she needs to make 300 cakes. the recipe consist of : 50g icing, 150g butter, 120g caster
joja [24]

Answer:

1.25 kg of icing sugar

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Step-by-step explanation:

300/12 x (weight of ingredient)

4 0
3 years ago
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Solve 2x^2 + x - 4 = 0 <br> X2 +
damaskus [11]

Answer:

\large \boxed{\sf \ \ x = -\dfrac{\sqrt{33}+1}{4} \ \ or \ \ x = \dfrac{\sqrt{33}-1}{4} \ \ }

Step-by-step explanation:

Hello, please find below my work.

2x^2+x-4=0\\\\\text{*** divide by 2 both sides ***}\\\\x^2+\dfrac{1}{2}x-2=0\\\\\text{*** complete the square ***}\\\\x^2+\dfrac{1}{2}x-2=(x+\dfrac{1}{4})^2-\dfrac{1^2}{4^2}-2=0\\\\\text{*** simplify ***}\\\\(x+\dfrac{1}{4})^2-\dfrac{1+16*2}{16}=(x+\dfrac{1}{4})^2-\dfrac{33}{16}=0

\text{*** add } \dfrac{33}{16} \text{ to both sides ***}\\\\(x+\dfrac{1}{4})^2=\dfrac{33}{16}\\\\\text{**** take the root ***}\\\\x+\dfrac{1}{4}=\pm \dfrac{\sqrt{33}}{4}\\\\\text{*** subtract } \dfrac{1}{4} \text{ from both sides ***}\\\\x = -\dfrac{1}{4} -\dfrac{\sqrt{33}}{4} \ \ or \ \ x = -\dfrac{1}{4} +\dfrac{\sqrt{33}}{4}

Hope this helps.

Do not hesitate if you need further explanation.

Thank you

4 0
3 years ago
Solve the inequality for u.<br> 7u - 32&lt; - 3(6-3u)<br> Simplify your answer as much as possible.
Dmitry_Shevchenko [17]

Answer:

u > - 7

Step-by-step explanation:

7u - 32 < - 3(6-3u)

7u - 32 < - 18 + 9u

18-32 < - 7u + 9u

-14 < 2u

2u > - 14

u > - 7

3 0
2 years ago
Read 2 more answers
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