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Montano1993 [528]

2 years ago

9

Line a passes through points

1 answer:

TiliK225 [7]2 years ago

4 0

Answer:

The answer is A! I got it right on pluto

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How many decimals has the product of 3.99 and 3.3<br>Show work please

mariarad [96]

Answer:

3

Step-by-step explanation:

The product of 3.99 and 3.3 will have 3 decimals.

When multiplying decimals, you add the decimals to get the total number of decimals in your product.

2+1=3 so it will have 3 decimals.

4 0

3 years ago

Algebra 2 Will give brainiest

earnstyle [38]

So here, you just put in the value inside the parenthesis of the function into the actual function itself.

Here, for h(f(2)), the first one to put in is the one in f, which is 2.

Since f(x) = 3*2^x, and since x here is equal to 2, (because h(f(2)), we can just put in the 2 in place of the x.

3 * 2 ^ 2

And then you get:

3 * 4

Or 12.

So now you have

h(12)

Now do the same thing.

2 * 12 - 7

24 - 7

17

8 0

3 years ago

Select all the statements that are true.

alexgriva [62]

Answer:

The product of 8x(5x−6) is 40x^2−48x

The product of (x−3)(5x−6) is 5x^2−21x+18

Step-by-step explanation:

<u><em>Verify each option</em></u>

Part 1) The product of 8x(5x−6) is 40x^2−48x

we have

$8x(5x-6)$

Applying distributive property

$8x(5x)-8x(6)\\40x^2-48x$

Compare with the given value

$40x^2-48x=40x^2-48x$

therefore

The statement is true

Part 2) The product of −4x(2x2+1) is −8x^3−5x

we have

$-4x(2x^{2}+1)$

Applying distributive property

$-4x(2x^{2})-4x(1)\\-8x^3-4x$

Compare with the given value

$-8x^3-4x \neq -8x^3-5x$

therefore

The statement is not true

Part 3) The product of (x−3)(5x−6) is 5x^2−21x+18

we have

$(x-3)(5x-6)$

Applying distributive property

$x(5x)-x(6)-3(5x)+3(6)\\5x^2-6x-15x+18\\5x^2-21x+18$

Compare with the given value

$5x^2-21x+18=5x^2-21x+18$

therefore

The statement is true

Part 4) The product of (2x+3)(x^2+3x−5) is 2x^3+9x^2+9x−25

we have

$(2x+3)(x^2+3x-5)$

Applying distributive property

$(2x)(x^2+3x-5)+(3)(x^2+3x-5)\\(2x^3+6x^2-10x)+(3x^2+9x-15)\\2x^3+9x^2-x-15$

Compare with the given value

$2x^3+9x^2-x-15 \neq 2x^3+9x^2+9x-25$

therefore

The statement is not true

8 0

3 years ago

$36.60 with the discount of 20%?

kenny6666 [7]

Answer: $ $29.28$

Step-by-step explanation:

Question: $36.60 with the discount of 20%?

Steps:

Discount = Original Price * Discount %100

Discount = $36.6$ × $\frac{20}{100}$

Discount = $36.6$ × $0.2$

You save = $ $$7.32$

Final Price = Original Price - Discount

Final Price = $36.6 - 7.32$

Final Price = $ $29.28$

~I hope I helped :)~

4 0

3 years ago

Read 2 more answers

A water tank is box shaped with a square base of side length 5 ft. The tank is fed by a pipe above and drains from its base. In

adell [148]

Answer:

dy/dt = - (1/5) ft/s = - 0.2 ft/s

Step-by-step explanation:

Given

L = 5 ft

Qin = 25 ft³/s

Qout = 30 ft³/s

h = 10 ft

dy/dt = ?

We can apply the relation

ΔQ = Qint - Qout = 25 ft³/s - 30 ft³/s

⇒ ΔQ = - 5 ft³/s

Then we use the formula

Q = v*A

where Q = ΔQ, A = L² is the area of square base and v = dy/dt is the rate of change in the depth of the solution in the tank

⇒ ΔQ = (dy/dt)*L²

⇒ dy/dt = ΔQ/L²

⇒ dy/dt = (- 5 ft³/s)/(5 ft)²

⇒ dy/dt = - (1/5) ft/s = - 0.2 ft/s

6 0

3 years ago