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mrs_skeptik [129]
3 years ago
7

What is the value of the expression 3x-8y when x=10 and y=2?

Mathematics
2 answers:
Greeley [361]3 years ago
7 0

Answer:

14

Step-by-step explanation:

3x-8y

(3*10)-(8*2)

30-16

14

madam [21]3 years ago
3 0

Answer:

30-16

Step-by-step explanation:

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2) Select one of your sides.
svlad2 [7]

Answer:

Step-by-step explanation:

nachos=3 =100%

1.5=50%

0.50=25%

0.25=12.5%

4 0
3 years ago
The nutrition facts label on a container of dry roasted cashews indicates there are 161 calories in 28 grams. You eat 9 cashews
RoseWind [281]

Answer:

there are 161 calories in 28 gram,then:

one gram of dry roasted cashews contains=161/28=5.75 calories

You eat 12 gram of it, =12*5.75=69 calories


9 cashews  has 12gram, then:

one gram of dry roasted cashews contains= 9/12 = 0.75 cashews

there are total of 28gram in one serving.

Therefore cashews in one serving = 0.75*28=21cashews

a)69 calories

b)21cashews

4 0
3 years ago
A survey of the students in Lance’s school found that 58% of the respondents want the school year lengthened, while 42% think it
alina1380 [7]
The margin of error of a given statistic is an amount that is allowed for in case of miscalculation or change of circumstances.

It is usually the radius or half of the width of the confidence interval of that statistic.

Given that a<span> survey of the students in Lance’s school found that 58% of the respondents want the school year lengthened, while 42% think it should remain the same. The margin of error of the survey is ±10%.

This means that 58% </span><span>± 10% of the </span>respondents want the school year lengthened, while 42% <span><span>± 10% think it should remain the same.</span>

Thus, from 48% to 68% </span><span><span>of the respondents want the school year lengthened, while from 32% to 52% <span>think it should remain the same.</span> </span>

Therefore, according to the survey data, at least 32% of students want the duration of the school year to remain unchanged, and at least 48% want the school year to be lengthened.</span>
7 0
3 years ago
A company makes two types of biscuits; Jumbo and Regular. The oven can cook at most 200 biscuits per day. Each Jumbo biscuit req
never [62]

The answer is $44

$0.11 * 400= 44

The max possible profit is $44

5 0
3 years ago
Compare the equation, y = 9x - 4x2, the graph below, and the table below. Which has the steepest rate of change from x = 1 to x
jeka57 [31]
The correct answer to this question is  C. equation, –3

The equation is 
<span>y = 9x - 4x^2
</span>y = -4x^2 + 9x
y = -x(4x - 9)

The steepest rate of change from x = 1 to x =2

x = -1 ; y = 0
x = 1 ; y = 2
x = 2 ; y = 0
x  =3 ; y = -4

So, based from the table show, the steepest rate of change is <span>C. equation, –3</span>
4 0
3 years ago
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