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3 years ago

The angles below are supplementary. What is the value of x?6x + 48)

Mathematics

1 answer:

Bingel [31]3 years ago

3 0

Answer:

8 is your answer.

Step-by-step explanation:

If i think that i'm doing this right.

6x + 48

6 6 divide by 6 on both sides.

x = 8

Hope my answer has helped you!

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Take apart the number to make a 10. Then subtract

Svetllana [295]

Answer:

Whats the question?

Step-by-step explanation:

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3 years ago

To the nearest cent, evaluate $73.50 * (7.5% + 1.25%).

Gelneren [198K]

The answer is $6.43. Hope this helps

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3 years ago

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Amelia is going to buy some cards for her friends.Each card costs $3.She finds a coupon for $2 off the entire purchase.Write an

dalvyx [7]

y = ( 3 * x ) - 2.

This is because the card costs for 3 $ and should be multiplied by the number of total cards she buys in that particular day. So 3 * x.

Now as she has got a 2$ off coupon, whatever the total is she gets 2 dollars off on that price. So we will subtract 2 at that time. FInally all this summed up would be equal to y.

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3 years ago

Leila and jo are two of the partners in a business. Leila makes $3 in profits for every $4 that jo makes. If jo makes $60 profit

Aleonysh [2.5K]

Let

x-------> Leila 's profit

y------> Jo's profit

we know that

$\frac{x}{y} =\frac{3}{4}$ ----------> equation $1$

For $y=\$60$

<u>Find the value of x</u>

Substitute the value of y in the equation $1$

$\frac{x}{60} =\frac{3}{4}$

$x=60*\frac{3}{4}$

$x=\$45$

therefore

<u>the answer is</u>

Leila make $\$45$ in profit

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3 years ago

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A is a 4x4 matrix and A^2 + 4A - 5I = 0. If det(A+2I)>0, enter det(A+2I)

maw [93]

$\mathbf A^2+4\mathbf A-5\mathbf I=0$
$\implies\mathbf A^2+4\mathbf A+4\mathbf I=(\mathbf A+2\mathbf I)^2=9\mathbf I$
$\implies\det\bigg((\mathbf A+2\mathbf I)^2\bigg)=\det(9\mathbf I)$
$\implies\det(\mathbf A+2\mathbf I)^2=9^4\det\mathbf I$
$\implies\det(\mathbf A+2\mathbf I)=\pm\sqrt{9^4}$
$\implies\det(\mathbf A+2\mathbf I)=9^2=81$

where we take the positive root because we're told that the determinant is positive.

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3 years ago

The angles below are supplementary. What is the value of x?6x + 48)​

The angles below are supplementary. What is the value of x?6x + 48)