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2 years ago

ANSWER QUICK FOR A. AND B. !

Mathematics

1 answer:

sladkih [1.3K]2 years ago

7 0

Answer: a=4

b=1600x

Step-by-step explanation:

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Eric bought a canoe for $333.75 the sales tax was 5.25% . What was his total cost?

zhuklara [117]

Step-by-step explanation:

ans is $351.271875 of total cost

7 0

3 years ago

Solve this quadratic equation by completing the square.

nadya68 [22]

Answer:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

Step-by-step explanation:

Let's find our C value for the quadratic equation.

$(\frac{6}{2})^{2} = 9$

That is our C. Since we added 9 to one side, we have to do the same to the other. We get:

$x^{2} +6x + 9 = 18 + 9\\x^{2} +6x + 9 = 27$

Now, lets form the left side as a binomial squared.

$(x+3)^{2} = 27$

Let's square both sides now:

$x+3 = (+/-)\sqrt{27}$

Now, we subtract 3 from both sides to isolate the variable, X:

$x= -3(+/-)\sqrt{27}$

This means that the answers are:

$x=-3+\sqrt{27}\\ x=-3-\sqrt{27}$

I do not understand your answers though. Answer A makes no sense, answer B is 221, answer C is 115, and answer D also does not make sense. If you could clarify this portion, maybe I can help you find your alphabetic answer

3 0

3 years ago

What is the area of the trapezoid?

Karolina [17]

Answer:

81cm

Step-by-step explanation:

The answer is 81cm as 5+2+2(the base) = 9 and 9×9 = 81 which is the area

5 0

3 years ago

the variable z is inversely proportional to x. When x is 16, z has the value 1.125. What is the value of z when x = 24

navik [9.2K]

Answer:

Z=0.75

Step-by-step explanation:

Given

Z is inversely proportional to X.

First we’ll define what an inverse proportion is. Inverse proportion is a relationship between two quantities such that if one quantity increases the other decreases.

Symbolically the relationship between Z and X can be defines as

Z ∝ 1/X

When the proportionality symbol is removed a constant is introduced.

Z= K/X

As we Know,

X=16

Z=1.125

We can find the value of K by using the values of Z and X

Putting in the values

1.125=K/16

K=1.125*16

K=18

Now, For

X=24

Z= 18/24

Z=0.75

4 0

3 years ago

Entre que numeros es divisible el 90

Ludmilka [50]

Do you speak English

3 0

3 years ago