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3 years ago

Find the lenght of side a will give crown

Mathematics

1 answer:

Vera_Pavlovna [14]3 years ago

6 0

Answer:

D) 4

Step-by-step explanation:

Pythagorean theorem,

base² + altitude² = hypotenuse²

3² + altitude² = 5²

9 + altitude² = 25

altitude² = 25 - 9

altitude² = 16

altitude = √16 = 4

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Help Please I'm really struggling with this problem

Bess [88]

The answer is at least or more than 39 square feet

6 0

4 years ago

What is the sum of the geometric sequence −4, 24, −144, ... if there are 8 terms?

Helga [31]

Answer:

The sum of 8 geometric sequence is 959780

Step-by-step explanation:

We are given

this sequence is geometric

-4 , 24 , -144

First term is -4

so, $a_1=-4$

now, we can find common ratio

$r=\frac{24}{-4}=-6$

we can use formula

$S_n=a_1(\frac{1-r^n}{1-r} )$

n=8

now, we can plug values

$S_8=-4(\frac{1-(-6)^{8}}{1+6} )$

now, we can simplify it

and we get

$S_8=959780$

4 0

3 years ago

What shows the correct substitution of the values a,b, and c from the equation 0=-3x^2-2x+6

Arlecino [84]

When dealing with a quadratic equation, you usually assign the following name to the coefficients of the variables:

$ax^2+bx+c=0$

So, $a$ is the coefficient of $x^2$ , $b$ is the coefficient of $x$ and $c$ is the constant term.

In your case, the coefficient of $x^2$ is -3, so $a=-3$

The coefficient of $x$ is -2, so $b = -2$

The constant term is 6, so $c = 6$

7 0

4 years ago

Four times the amount of money in my bank account plus $200 is still two

ioda

Answer:

$700

Step-by-step explanation:

So, I like to extract the information we know and form it into an equation.

So we know that after multiplying what you have in the bank by 4, then add 200 dollars you get two thousand dollars less than a fourth of what's in your dad's bank account.

Your dad has $20,000 in the bank.

Before we write the equation let's find what two thousand less than a fourth of 20,000 is.

20,000/4 = 5,000

Now, 5,000 - 2,000 = 3,000

Ok let's say x is how much money you have

So:

4x + 200 = 3,000

we can isolate the variable by subtracting 200 from both sides

4x = 2,800

then we can divide by 4 on each side

x = 700

so you have $700 in the bank

4 0

3 years ago

The expression b/c = b/c is an example of a(n) A. reciprocal. B. identity. C. root. D. square root

zhannawk [14.2K]

I am not to sure but I would go for B. identity.

6 0

3 years ago

Read 2 more answers