Please help me please please

Answers

Answer 1

Answer: We have to consider the Order of Operations
And Divide the question into different parts
So we first do the Exponent: $2^(5)$ = 32
(3×32-26)=(96-26)=70
Solve the parts in parenthesis
(8-(4-9)=(8-(-5)=(8+5)=13 (minus and minus becomes addition)
Distribute 7
7(13)=91
Now put the equation and equate everything
(3× $2^(5)$ +13(-2))+7(8-(4-9)=70+91=161
Final Answer=161

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Could you help me with this?

Answers

Karen is correct because

Step-by-step explanation:

10 to the 3rd power is 1000 and 560.9 divided by 1000 is 0.5609

Determine which ordered pair is a solution of y=8x.A. (0,8)
B. (-1,8)
C. (1.5,10)
D. (2,16)

Answers

we know that

If the ordered pair is a solution of the equation, then the ordered pair must satisfied the equation

we will proceed to solve each case to determine the solution of the problem

we have

$y=8x$ -------> equation $1$

case a) $(0,8)$

$x=0\ny=8$

For $x=0$

substitute the value of x in the equation $1$ and then compare the values of y

$y=8*0=0$

$0\neq 8$

The ordered pair case a) is not solution

case b) $(-1,8)$

$x=-1\ny=8$

For $x=-1$

substitute the value of x in the equation $1$ and then compare the values of y

$y=8*(-1)=-8$

$-8\neq 8$

The ordered pair case b) is not solution

case c) $(1.5,10)$

$x=1.5\ny=10$

For $x=1.5$

substitute the value of x in the equation $1$ and then compare the values of y

$y=8*1.5=12$

$12\neq 10$

The ordered pair case c) is not solution

case d) $(2,16)$

$x=2\ny=16$

For $x=2$

substitute the value of x in the equation $1$ and then compare the values of y

$y=8*2=16$

$16=16$

The ordered pair case d) is a solution

therefore

the answer is

$(2,16)$

y = 8x
y = 8(2)
y = 16
(x, y) = (2, 16)

The answer is D.

PLZ HELP URGENT!!!!!!!!!f(x) = -3x2 + 2x - 7

f(-1) =

A) -12
B) -8
C) -6
D) 0

Answers

Is that - 3x times 2?

What is the value of x in 3x+7y=27

Answers

Answer:

$x = (-7y)/(3) +9$

Step-by-step explanation:

Note the equal sign, what you do to one side, you do to the other side. Do the opposite of PEMDAS. Isolate the variable, x.

PEMDAS is the order of operation, and =

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

First, subtract 7y from both sides:

3x + 7y (-7y) = 27 (-7y)

3x = -7y + 27

Next, divide 3 from all terms on both sides:

(3x)/3 = (-7y + 27)/3

x = (-7y/3) + 9

$x = (-7y)/(3) +9$

The graph of a linear equation contains the points (3,11) and (-2,1). Which point also lies on the graph

Answers

the slope is 2/1 so a point that lies on it is (4,13)
(3+1,11+2)
Hope this Helped!

Suppose you have $75 in your savings account and you save an additional $5 each week. Your friend has $30 in his savings account and saves an additional $10per week. In how many weeks will you have the same amount of money?

Answers

it will take 9 weeks for you and your friend to have the same amount of money in your savings accounts.

To determine the number of weeks it takes for both you and your friend to have the same amount of money in your savings accounts, we need to set up an equation.

Let's denote the number of weeks as 'x'. For you, the amount of money in your savings account after 'x' weeks can be calculated as follows:

Amount of money in your account = $75 + $5x

For your friend, the amount of money in his savings account after 'x' weeks can be calculated as:

Amount of money in your friend's account = $30 + $10x

To find the number of weeks where you both have the same amount of money, we set up the equation:

$75 + $5x = $30 + $10x

Simplifying the equation:

$5x - $10x = $30 - $75

-$5x = -$45

Dividing both sides of the equation by -5 gives us:

x = 9

Therefore, it will take 9 weeks for you and your friend to have the same amount of money in your savings accounts.