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3 years ago

What is the value of the expression shown below?

Mathematics

1 answer:

Artemon [7]3 years ago

5 0

Answer:

7 1/4

Step-by-step explanation:

7+16/4*(1/2)*4

7+16/4*(1/16)

7+4*1/16

7+1/4=7 1/4

I think this is correct

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Carolina biked 1 mile more than twice the number of miles James biked. Carolina biked a total of 5 miles. Write an equation to d

antoniya [11.8K]

Answer:

5 = 2x + 1

Step-by-step explanation:

let James be x , then 1 mile more than twice number of mile of James will be 2x + 1 therefore the total number of miles biked by carolina will be 2x + 1 = 5

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3 years ago

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The grand canyon is approximately 2^9 km long. Mariner Valley is a canyon on mars that is approximately 2^12 km long. About how

Dafna1 [17]

I think it would be 2^3. I'm sorry if it's wrong.

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3 years ago

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X + y = 152,<br><br> 8.5x + 12y = 1,656<br><br> How many hats were sold?

Elodia [21]

Answer:

x = 48 and y = 104

Step-by-step explanation:

Given equations are:

$x+y = 152\\8.5x+12y=1656$

From equation 1:

$x = 152-y$

Putting the value of y in equation 2

$8.5(152-y)+12y = 1656\\1292-8.5y+12y = 1656\\3.5y+1292 = 1656\\3.5y = 1656-1292\\3.5y = 364\\\frac{3.5y}{3.5} = \frac{364}{3.5}\\y = 104$

Now we have to put the value of y in one of the equation to find the value of x

Putting y = 104 in the first equation

$x+y = 152\\x+ 104 = 152\\x = 152-104\\x = 48$

Hence,

The solution of the system of equations is x = 48 and y = 104

The value of variable which was assumed for number of hats, is the total number of hats.

6 0

3 years ago

Heeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeelp

zheka24 [161]

Answer:

Step-by-step explanation:

6 0

3 years ago

Krystal left the bookstore traveling 18 mph. Then, 3 hours later, Kori left traveling the same direction at 27 mph. How long unt

Eddi Din [679]

Answer:

Korl will catch up to Krystal in 2 hours.

Step-by-step explanation:

18x3=54 this shows how long Krystal has driven in 3 hours.

27x2=54 this shows that in 2 hours Korl will have driven 5 mph.

Now as you can see both quotient are 54 and the question is How long until Korl catches up to Krystal so it's 2 hours

HOPE THIS HELPED:)

3 0

2 years ago