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2 years ago

What is the value of this expression when x = negative 1 and y = 2? 4 x cubed y squared

Mathematics

2 answers:

sertanlavr [38]2 years ago

6 0

Answer:

Thy Answer is -16

Step-by-step explanation:

(HACKING HACKING HACKING) just ignore me Hacking plz

Elena L [17]2 years ago

4 0

Answer:

the correct answer is -16

Step-by-step explanation:

I took the test

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You lose an online auction for an autograph. Your losing bid of $28 is 40% of the winning bid. How much less was your bid than t

TEA [102]

Answer:

My bid was $42 less than the winning bid.

Step-by-step explanation:

The winning bid is x.

$28 is 40% of x

0.4x = 28

x = 28/0.4

x = 70

The winning bid was $70.

$70 - $28 = $42

Answer: My bid was $42 less than the winning bid.

5 0

2 years ago

Standard notation 8.15×10^5

sukhopar [10]

Answer:

8.15×10^5

Step-by-step explanation:

8.15×10^5

8.15×100000

815000

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2 years ago

Robert went to the grocery store and purchased cans of soup and frozen dinners. each can of soup has 300 mg of sodium and each f

Paraphin [41]

There are 9 cans of soup and 5 cans of frozen dinner.

The variables used for soup and frozen dinner are x and y respectively.

Step-by-step explanation:

Let,

Soup = x

Frozen Dinner = y

According to given statement of sodium;

300x + 500y = 5200 eqn 1

And,

x + y = 14 eqn 2

$Multiplying\ equation\ 2\ with\ 300\\300(x+y=14)\\300x+300y=4200\ Eqn 3\\$

Subtracting Eqn 3 from Eqn 1;

$(300x+500y)-(300x+300y)=5200-4200\\300x+500y-300x-300y=1000\\200y=1000\\y=\frac{1000}{200} \\y=5$

Putting value of y in Eqn 1;

$300x+500(5)=5200\\300x+2500=5200\\\\Subtracting\ 2500\ from\ both\ sides\ \\300x+2500-2500=5200-2500\\300x=2700\\x=\frac{2700}{300} \\x=9$

There are 9 cans of soup and 5 cans of frozen dinner.

The variables used for soup and frozen dinner are x and y respectively.

Keywords: Variables, linear equations, subtraction.

Learn more about linear equations at;

#LearnwithBrainly

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2 years ago

A company produces individually wrapped spherical biscuits. The minimum amount of wrapping material needed to cover a biscuit, a

svetlana [45]

Sphere surface area is A=4pi*r^2. So r is sqrt(A/4pi)
r=4cm. So d=8cm

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3 years ago

If you work:

faltersainse [42]

1920$

Step by step explanation:

6 0

2 years ago

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