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2 years ago

How many solutions are there to the equation below ? 8x+47 =8 (x+5)

Mathematics

1 answer:

Rainbow [258]2 years ago

4 0

First, distribute the right side.

8*(x + 5) = 8x + 40

Then, we write the whole equation:

8x + 47 = 8x + 40

Looking at it, we can subtract 8x from both sides, so that we're left with:

47 = 40

However, we obviously know that 47 is NOT equal to 40, so there is <em>no solution</em> for this equation.

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One eighth of Tony's books are mystery books. He has 3mystery books. How many books does tony have in all?

Anit [1.1K]

If one book = 1/8, then you can just multiply it by 3, for the three mystery books. 8x3= 24, so tony has 24 books in all.

8 0

3 years ago

Read 2 more answers

Estelle treated her sister to lunch while visiting her in Lowell. Their lunch cost $80, and the sales tax in Lowell is 15%. If E

yan [13]

Answer:

Estelle paid $104 in total.

Step-by-step explanation:

15% of $80.00 is 12. So add 12 two times to 80 because of 15% sales tax and 15% tip.

3 0

3 years ago

Keith bought 4 shirts for $36 at this rate what would his cost be for 7 shirts

Norma-Jean [14]

Answer:

$63

Step-by-step explanation:

we know that

Keith bought 4 shirts for $36

using proportion

Find out would be the cost for 7 shirts

Let

x ----> the cost for 7 shirts

$\frac{4}{36}\ \frac{shirts}{\$}=\frac{7}{x}\ \frac{shirts}{\$}\\\\x=36(7)/4\\\\x=\$63$

3 0

2 years ago

Help if you’re feeling generous today!! thank youu

ra1l [238]

Answer:

<h3>The answer is option 3 </h3>

Step-by-step explanation:

4x² - 2y

when

x = - 2 and y = - 1

Substitute the values of x and y into the expression and simplify

That's

$4( - 2)^{2} - 2( - 1) \\ = 4(4) + 2 \\ = 16 + 2$

We have the final answer as

Hope this helps you

5 0

3 years ago

What value should be added to both sides for completing the square in this equation?

Mila [183]

Hey there!

x^2 + 4x = 12

SUBTRACT 12 to BOTH SIDES

x^2 + 4x - 12 = 12 - 12

SIMPLIFY IT

x^2 + 4x - 12 = 0

FACTOR the LEFT SIDE of your EQUATION

(x - 2)(x + 6) = 0

• EQUATION #1: x - 2 = 0

• EQUATION #2: x + 6 = 0

SIMPLIFY IT

• EQUATION #1 answer: x = 2

• EQUATION #2 answer: x = -6

OVERALL ANSWER: x = 2 or x = -6

YOUR ANSWER: x = 2 (Option A.)

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

3 0

2 years ago