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3 years ago

Multiplication property: if angle j equals 30 then 2m angle j equals

Mathematics

1 answer:

EastWind [94]3 years ago

6 0

If m∡J=30, then 2(m∡J) = 2(30) = 60

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Raju bought seven notebooks of two hundred pages and five of hundred pages, for 107 rupees. Joseph bought five notebooks of two

olga nikolaevna [1]

Answer:

Large books = 11

Small books = 6

Step-by-step explanation:

7x + 5y = 107

7x = 107 - 5y

x = 107/7 - 5y/7

5x + 7y = 97

5 (107/7 - 5y/7) + 7y = 97

535/7 - 25y/7 + 7y = 97

535/7 + 24y/7 = 97

535 + 24y = 679

24y = 679 - 535

y = 144/24 = 6: So x =

7x + 5(6) = 107

7x = 107-30

x = 77-7 = 11

8 0

3 years ago

1) a=b+√b²+√c² make c the subject of the formula

Nonamiya [84]

Answer:(A²-B²) = (A-B)² + 2AB

Step-by-step explanation:

5 0

3 years ago

Factor the trinomial 5x^2-x-4

LenaWriter [7]

Answer:

Step-by-step explanation:

$5x^2-x-4\\\\\mathrm{Break\:the\:expression\:into\:groups}\\=\left(5x^2+4x\right)+\left(-5x-4\right)\\\\\mathrm{Factor\:out\:}x\mathrm{\:from\:}5x^2+4x\mathrm{:\quad }x\left(5x+4\right)\\\mathrm{Factor\:out\:}-1\mathrm{\:from\:}-5x-4\mathrm{:\quad }-\left(5x+4\right)\\\\=x\left(5x+4\right)-\left(5x+4\right)\\\\\mathrm{Factor\:out\:common\:term\:}5x+4\\=\left(5x+4\right)\left(x-1\right)$

6 0

3 years ago

Read 2 more answers

Which of the following could be the measure of the third side of a triangle if one side measures 15 cm and another measures 8 cm

Phoenix [80]

Answer:

12, 17

Step-by-step explanation:

Two sides must add up to a greater sum than that of the remaining side

6 0

3 years ago

1 3/8 x 5/8 please help me!

natulia [17]

Answer:

55/64

Step-by-step explanation:

convert mixed number into improper fraction

11/8×5/8

multiply the fractions

11/8×5/8

11×5=55

8×8=64

Answer: 55/64

6 0

3 years ago