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3 years ago

?/3=4 find number that belongs under the radical

Mathematics

1 answer:

Rashid [163]3 years ago

7 0

Answer:

144

Step-by-step explanation:

144 squared equals 12, so the 12 divided by 3 equals 4

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Find the value of y that makes the lines parallel. <br><br>there is a photo

Eduardwww [97]

Answer:

Y=20

Step-by-step explanation:

90= (4y+10)

90-10=4y

80=4y

Y=80/4= 20

5 0

3 years ago

Jeremiah has to spend $40 to buy candy. He then sold candy for $1.50 per piece. If Jeremiah was able to sell 60 pieces of the ca

Nadya [2.5K]

Answer:

He made $50

Step-by-step explanation:

1.5 times 60 equals 90, but seeing how he spent $40 to buy the candy he only ends up with $50 in profits

7 0

3 years ago

The equation x^2+y^2-4x+27=b

Gala2k [10]

X^2 + y^2 -4x27 (the numbers in bold means the multiplying a negative and a positive equals a negative)

x^2 + y^2 -(4x27) = x^2 + y^2 -108

7 0

3 years ago

#9 and #10<br> Please show work

Tatiana [17]

Answer:

Part 9) The number of items on Emily's grocery list is 5 and the number of items on Bobby's grocery list is 13

Part 10) The height of the taller bookshelf is 4 feet and the height of the shorter bookshelf is 1 foot

Step-by-step explanation:

Part 9)

Let

x ----> number of items on Emily's grocery list

x ----> number of items on Bobby's grocery list

we know that

$y=2x+3$ ----> equation A

$x=y-8$ ----> equation B

Solve by substitution

Substitute equation A in equation B

$x=(2x+3)-8$

solve for x

$x=2x-5$

$2x-x=5$

$x=5$

Find the value of y

$y=2(5)+3=13$

therefore

The number of items on Emily's grocery list is 5 and the number of items on Bobby's grocery list is 13

Part 10)

Let

x ----> the height of the taller bookshelf in feet

y ----> the height of the shorter bookshelf in feet

we have

$x=5y-1$ ----> equation A

Remember that

$1\ ft=12\ in$

To convert inches to feet divide by 12

$60\ in=60/12=5\ ft$

$x+y=5$ ----> equation B

Solve the system by substitution

substitute equation A in equation B

$(5y-1)+y=5$

solve for y

$5y+y=5+1$

$6y=6$

$y=1\ ft$

Find the value of x

$x=5(1)-1=4\ ft$

therefore

The height of the taller bookshelf is 4 feet and the height of the shorter bookshelf is 1 foot

3 0

3 years ago

In the year 2006, a company made $2.4 million in profit. For each consecutive year after that, their profit increased by 12%. Ho

Dmitriy789 [7]

Answer:

Step-by-step explanation:

For each consecutive year after that, their profit increased by 12%. The growth is exponential. We would apply the formula for exponential growth which is expressed as

A = P(1 + r)^t

Where

A represents the profit made after t years.

t represents the number of years.

P represents the initial profit made.

r represents rate of increase.

From the information given,

P = 2.4 × 10^6

r = 12% = 12/100 = 0.12

t = 4 years

Therefore,

A = 2.4 × 10^6(1 + 0.12)^4

A = 2.4 × 10^6(1.12)^4

A = 3776446.5

4 0

4 years ago