3 years ago

Write an equation of the line that contains

Mathematics

1 answer:

Elodia [21]3 years ago

7 0

Y-(-1)=3(x-3)->y+1=3x-9->y=3x-10 so y=3x-10 is your new line

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Alvin and Simon shared £540 in the ratio 4:5. Alvin gave half of his share to Theo. Simon gave a tenth of his share to Theo. Wha

Liono4ka [1.6K]

Answer:

$\frac{5}{18}$

Step-by-step explanation:

sum the parts of the ratio, 4 + 5 = 9 parts

Divide the amount by 9 to find the value of one part of the ratio

£540 ÷ 9 = £60 ← value of 1 part of the ratio , thus

4 parts = 4 × £60 = £240 ← Alvin's share

5 parts = 5 × £60 = £300 ← Simon's share

$\frac{1}{2}$ × £240 = £120

$\frac{1}{10}$ × £300 = £30

Theo receives £120 + £30 = £150 , which as a fraction is

$\frac{150}{540}$ ( divide numerator/ denominator by 30 )

= $\frac{5}{18}$ ← in simplest form

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3 years ago

A skirt originally cost $28. Alicia pays $21 for the skirt during a scale. What percent does Alicia save with the sale? (helpp )

kow [346]

Answer:

25% is the answer.,....

money Alicia save= 28-21= 7

percentage Alicia saves with the sale= 7/28*100

= 25%

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3 years ago

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Slav-nsk [51]

Answer:

B, -275

Step-by-step explanation:

count by 11s from 22 to -77

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Answer: B

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If P is say 2, then P divided by two would be one.

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The answer would be B

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