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3 years ago

285 + 617 = ⎕ + 620 wich number goes in the blank

Mathematics

2 answers:

borishaifa [10]3 years ago

5 0

285 + 617 = 902

902 - 620 = 282

Answer: 282

yaroslaw [1]3 years ago

3 0

282 would fill the blank. Just think the problem as if it was an algebra problem.

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2 years ago

Nuts.com sells raw almonds for $10 per pound and roasted pistachios for $12 per pound. Christopher spends $70, before taxes and

sp2606 [1]

Christopher purchased 2.8 pounds of almonds and 3.5 pounds to roasted pistachios.

Step-by-step explanation:

Cost of almonds per pound = $10

Cost of roasted pistachios = $12

Total amount spent = $70

Weight of nuts = 6.3

Let,

Weight of almonds = x

Weight of roasted pistachios = y

According to given statement;

x+y=6.3 Eqn 1

10x+12y=70 Eqn 2

Multiplying Eqn 1 by 10

$10(x+y=6.3)\\10+10y=63\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2;

$(10x+12y)-(10x+10y)=70-63\\10x+12y-10x-10y=7\\2y=7$

Dividing both sides by 2

$\frac{2y}{2}=\frac{7}{2}\\y=3.5$

Putting y=3.5 in Eqn 1

$x+3.5=6.3\\x=6.3-3.5\\x=2.8$

Christopher purchased 2.8 pounds of almonds and 3.5 pounds to roasted pistachios.

Keywords: linear equations, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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2 years ago

A carnival costs $10.50 to enter plus an additional $3.50 per ticket for rides and food.

Wewaii [24]

Answer:

1.) $10.50 + $3.50n

2.) Replace the variable with the given number. In this case, the given number is 20.

n = 20

$10.50 + $3.50(20)

$10.50 + $70 = $80.50

So, the total cost to visit the fair is $80.50.

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3 years ago

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Answer:

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Step-by-step explanation:

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2 years ago

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Answer:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

Step-by-step explanation:

The type of sample that can be considered unreliable is type (a), in which responses are voluntary.

It can be considered unreliable because being voluntary, the answers will give a biased result and the analysis will not be valid.

The rest of the options, if the necessary collections are taken, are samples that can be considered reliable.

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