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2 years ago

Solve each equation below for x. 2^(x+3)=2^2x 3^5=9^2x 3^(2x+1)=3^3

Mathematics

2 answers:

anzhelika [568]2 years ago

8 0

Answer:

3^5=9^2x = 3

3^(2x+1) =3^3 = 1

Step-by-step explanation:

spayn [35]2 years ago

8 0

Answer:

x=3

x=1

Step-by-step explanation:

Create equivalent expressions in the equation that all have equal bases, then solve for x.

hope this helped.

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Please help 30 points and if I get correct answer i will brainiest them

WINSTONCH [101]

Answer:

9,-4

Step-by-step explanation:

-9×4=-36

Negative × Positive = Negative

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3 years ago

Use the quadratic formula to solve the equation, which has one solution. y2+2y+1=0

Blababa [14]

Answer :y=−1

Step-by-step explanation:

y2+2y+1=0

Step 1: Factor left side of equation.

(y+1)(y+1)=0

Step 2: Set factors equal to 0.

y+1=0 or y+1=0

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3 years ago

The circumference of a circle is 20π. What is the area of the circle?

Shkiper50 [21]

Answer:

The area of the circle is 100 square units.

Step-by-step explanation:

We are given that the circumference of a circle is 20π, and we want to determine its area.

Recall that the circumference of a circle is given by the formula:

$\displaystyle C = 2\pi r$

Substitute:

$20 \pi = 2 \pi r$

Solve for the radius:

$\displaystyle r = \frac{20\pi}{2\pi} = 10$

The area of a circle is given by:

$\displaystyle A = \pi r^2$

Since the radius is 10 units:

$\displaystyle A = \pi (10)^2$

Evaluate:

$\displaystyle A = 100\pi\text{ units}^2$

In conclusion, the area of the circle is 100 square units.

3 0

3 years ago

HELP ASAP!!!<br> please!!!!!

andrew-mc [135]

Answer is D(11,3)

Substitute the numbers into the variables

3(x=11)-4(Y=3)=21

Hoped this helped

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3 years ago

A shop makes a profit of £2,750 in March.

Debora [2.8K]

Answer:

15%

Step-by-step explanation:

3162.50-2750=412.50

changed÷original×100

=412.50÷2750×100

=15%

7 0

3 years ago