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3 years ago

2. Apples cost $0.99 per pound. Aaliyah has a

Mathematics

1 answer:

UkoKoshka [18]3 years ago

4 0

Answer:

a= about 2.7 pounds of apples

Step-by-step explanation:

2.14=0.99a-0.50

2.64=0.99a

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Elizabeth quiere organizar la fiesta de su cumpleaños y pretende invitar a 20 de sus amigos. Para los preparativos de la fiesta

alexandr1967 [171]

no entiendo que estas diciendo

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2 years ago

Can you help me solve it

Serhud [2]

Answer:

1. y

2 x

3 a

4 b

Step-by-step explanation:

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2 years ago

Need help solving for X

artcher [175]

X+10=110-4x

-x from both sides

10=110-5x

subtract 110 from both sides

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divide both sides by -5

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2 years ago

If tan A = 4/5; what does CSC A =?<br> Round to nearest tenth.

ZanzabumX [31]

Answer:

1.6

Step-by-step explanation:

$\tan \: A = \frac{4}{5} \\ \\ \cot \: A = \frac{1}{ \tan \: A } = \frac{1}{ \frac{4}{5} } = \frac{5}{4} \\ \\ csc\: A = \sqrt{1 + {cot}^{2}\: A} \\ = \sqrt{1 + { \bigg( \frac{5}{4} \bigg)}^{2} } \\ = \sqrt{1 + \frac{25}{16} } \\ = \sqrt{\frac{16 + 25}{16} } \\ = \sqrt{\frac{41}{16}} \\ = \frac{ \sqrt{41} }{4} \\ = \frac{6.40312424}{4} \\ = 1.60078106 \\ \therefore \: csc \: A =1.6$

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2 years ago

Please help me ASAP it’s times THANK U

goblinko [34]

Answer:

Only choices C and D are solutions

Step-by-step explanation:

6x + 3y = -15

y = -2x - 5

6x + 3y = -15

6x + 3(-2x - 5) = -15

6x - 6x - 15 = -15

0 = 0

Since 0 = 0 is a true statement, both equations of this system are the same equation and represent a single line on the coordinate plane.

We need to check each choice in just one equation.

Let's use the second equation.

y = -2x - 5

(2, 7)

7 = -2(2) - 5

7 = -4 - 5

7 = -9 False

Not a solution

(5, 0)

0 = -2(5) - 5

0 = -10 - 5

0 = -15 False

Not a solution

(-3, 1)

1 = -2(-3) - 5

1 = 6 - 5

1 = 1 True

Solution

-13 = -2(4) - 5

-13 = -8 - 5

-13 = -13 True

Solution

Answer: Only choices C and D are solutions

7 0

2 years ago