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3 years ago

Which graph shows the solution to this system of linear inequalities?

Mathematics

1 answer:

galben [10]3 years ago

7 0

Answer:

Step-by-step explanation:

Since all the graphs have the same line, you’re just looking for the correct shaded region. Since for both equations you want the shaded region to be less than the line, answer c solves the inequality.

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Habiendose organizado un bingo se ha recaudado $1900. Por la entrada de hombres $15 y mujeres $10 y se ha reportado una asistenc

aev [14]

Answer:

The number of men was $80$

The number of women was $70$

Step-by-step explanation:

The question in English is

Having organized a bingo has raised $1900. For the entrance of men $15 and women $10 and an attendance of 150 people has been reported. Determine the number of men and the number of women who participated in the bingo.

Let

x----> the number of men

y----> the number of women

we know that

$x+y=150$

$x=150-y$ -----> equation A

$15x+10y=1,900$ -----> equation B

substitute equation A in equation B and solve for y

$15(150-y)+10y=1,900$

$2,250-15y+10y=1,900$

$15y-10y=2,250-1,900$

$5y=350$

$y=70$

Find the value of x

$x=150-70=80$

therefore

The number of men was $80$

The number of women was $70$

3 0

3 years ago

Yosef can eat 21 jamuns while Rose can eat just 15.

Gennadij [26K]

Answer:

40%

Step-by-step explanation:

1+.40=1.4

1.4 x 15 = 21

7 0

3 years ago

There are 69 cards in a card game deck. How many cards in 7 decks?

nevsk [136]

Answer:

69×7=60×7+9×7 and if 10×7=70 then 6×70=420 and 9×7=70-7=63

7 0

2 years ago

Given that the expression 2x² -2.9x-3.6 can be factorized into the form 0.1(px+q)(rx+s), where p, q, r and s are integers, find

Nonamiya [84]

$~~2x^2-2.9x-3.6\\\\=\dfrac{20}{10}x^2 - \dfrac{29}{10} x-\dfrac{36}{10} \\\\=\dfrac 1{10} (20x^2 -29x -361)\\\\=0.1(20x^2-29x-36)\\\\=0.1(20x^2-45x+16x-36)\\\\=0.1[5x(4x-9)+4(4x-9)]\\\\=0.1(5x+4)(4x-9)\\\\\text{Where,}~ p=5, ~ q=4,~ r=4~,s=-9\\\\\text{Hence,}~ \\\\p+q+r+s \\\\ = 5+4+4 -9 \\\\=13-9 \\\\ =4$

3 0

2 years ago

mark and carlos started saving money at the same time. Mark saved 1.20 daily and Carlos saved 0.30 more than Mark each day. How

Slav-nsk [51]

Mark saved $1.20 daily.

Carlos saved $1.50 daily.

Let M = total saved by Mark.

1.20/1.50 = M/(11.40)

Solve for M

7 0

3 years ago