3 years ago

Pls help me asap I give brainliest

Mathematics

1 answer:

Alexxx [7]3 years ago

3 0

Number six
K=6
Number 5
K=3 I think because 3 divided by one equals three

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How to solve question 10

Over [174]

Answer:

Option E $x=x^2-10x+21$

Step-by-step explanation:

we have

$x-5=\sqrt{x+4}$

we know that

For x> 5 both sides of the equation will be positive

Squared both sides

$(x-5)^2=(\sqrt{x+4})^2$

$(x-5)^2=(x+4)$

$x^2-10x+25=(x+4)$

Subtract 4 both sides

$x^2-10x+25-4=(x+4)-4$

$x^2-10x+21=x$

Rewrite

$x=x^2-10x+21$

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4 years ago

Kyla makes a triangular school pennant. The area of the triangle is 180 square inches. The base of the pennant is z inches long.

BigorU [14]

Kyla makes a triangular school pennant. The area of the triangle is 180 square inches. The base of the pennant is z inches long. The height is 6 inches longer than twice the base length. The base and height can be solve using the formal A =bh/2

Since b = z and h = 6 + 2z

180 = z(6+2z) /2

B =Z =12 in

H = 30 in

4 0

3 years ago

Read 2 more answers

Anyone know how to do #41?

KatRina [158]

Power rule. d/dx(x^n) = nx^(n-1)
We can pull the 5 out and multiply it back in later.

d/dx(x^2) = 2x

2(10) = 20*5 = 100

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3 years ago

Sean has $5 worth of coins consisting of nickels and quarters. The number of nickels is 4 more than 3 times the number of quarte

In-s [12.5K]

Answer:

5 = 0.25q + [q+4(0.05n)]

Use this equation

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3 years ago

Which expression has the same value as -18/(-9)?

jekas [21]

2 would be -18/-9. I’m not sure which expressions are provided.

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3 years ago