Nina made 8 withdrawals fromher bank account. If each
withdrawal was for $20, what
was the total change in her
bank account?

Answers

Answer 1

Answer: the total change in her bank account would be $160,

if you multiply 8x$20 you get $160

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Solve for x using
cross multiplication.

Answers

the answer would be x= -39

72 is 45% of what number

Answers

Answer:

72 is 45% of 160.I hope this helps :D

I need help on this please.Ivanna is staining the wooden floor of a court. The court is in the shape of a rectangle. Its length is 51 feet and its width is 32 feet. Suppose each can of wood stain covers 102 square feet. How many cans will she need to cover the court?

Answers

Answer: 16 cans

Step-by-step explanation:

51x32=1632sqft

1632/102=16 cans of wood stain

16 cans ,51x32=1632 square feet, divide that and it’s 16 cans

Can you help me to do this please?Determine the inverse of the h(x)

Answers

Answer:

$h^(-1)(x)=x^3+6x^2+12x+7$

Explanation:

Given the below function;

$h(x)=\sqrt[3]{x+1}-2$

We'll follow the below steps to determine the inverse of the above function;

Step 1: Replace h(x) with y;

$y=\sqrt[3]{x+1}-2$

Step 2: Switch x and y;

$x=\sqrt[3]{y+1}-2$

Step 3: Solve for y by first adding 2 to both sides;

$\begin{gathered} x+2=\sqrt[3]{y+1}-2+2 \n x+2=\sqrt[3]{y+1} \end{gathered}$

Step 4: Take the cube of both sides;

$\begin{gathered} (x+2)^3=(\sqrt[3]{y+1})^3 \n (x+2)^3=y+1 \end{gathered}$

Step 5: Expand the cube power;

Recall;

$(a+b)^3=a^3+3a^2b+3ab^2+b^3$

Applying the above, we'll have;

$\begin{gathered} (x+2)^3=y+1 \n x^3+3x^2\cdot2+3x\cdot2^2+2^3=y+1 \n x^3+6x^2+12x+8=y+1 \end{gathered}$

Step 6: Subtract 1 from both sides of the equation;

$\begin{gathered} x^3+6x^2+12x+8-1=y+1-1 \n x^3+6x^2+12x+7=y \n \therefore y=x^3+6x^2+12x+7 \end{gathered}$

Step 7: Replace y with h^-1(x);

$h^(-1)(x)=x^3+6x^2+12x+7$

Write 8×8×8×8×8 as power

Answers

Answer:

$\boxed{\sf \ \ \ 8^5 \ \ \ }$

Step-by-step explanation:

Hello,

$8*8*8*8*8 =8^5$

because we use five time 8 in the multiplication

hope this helps

Your answer would be 8^5, (8 to the power of 5) the reason behind the five is because we see the 8 being multiplied about 5 times

Find the value of a. Then find the angle measures of the quadrilateral.

Answers

Answer:

a = 60

Step-by-step explanation:

Since it is a quadrilateral, the sum of interior angles is equal to 360°. Now you have to create an equation to solve this question. To create an equation, you have to add all the interior angles to 360°.

The equation would be 2a°+a°+a°+2a° = 360°.

Then you would simplify it to 6a° = 360.

You would divide 6 on both sides to get to a° = 60.

Therefore, the value of a is 60.

Hope this helped! If not, please let me know! <3

A=60 hope this helps you

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