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2 years ago

12

HELP AND HURRY UP pleas

1 answer:

Harrizon [31]2 years ago

8 0

Answer:
the first choice

x=3

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PLEASE HELP ASAP I’LL MARK BRAINLIEST Find the area of the figure.

Sonbull [250]

Area of a semicircle is 1/2* πr^2
Area of a square is s^2

Square’s area: 4mm^2

The radius is 3mm
Plug into the equation

1/2* π(3^2)
1/2* π(9)

We can use 3.14 as an estimate of pi

1/2*28.26

14.13mm^2

Now just add them both

Total area 18.13mm^2

4 0

3 years ago

Use the functions f(x) and g(x) to answer the question.

kenny6666 [7]

$f(x)=x^2+3\\\\g(x)=x-7\\\\(f+g)(x)=f(x)+g(x)=(x^2+3)+(x-7)=x^2+x-4$

Answer: C)

6 0

3 years ago

1000 was invested at 5.5% interest, compounded annually. After sometime the amount had grown to 1550. How long was the money inv

scZoUnD [109]

compound interest equation for annually compounded

$A=P(1+r)^t$

A=final amount

P=principal

r=rate in decimal

t=time in years

given that

A=1550

P=1000

r=5.5%=0.055

find t

$1550=1000(1+0.055)^t$

divide both sides by 1000

$1.55=1.055^t$

take ln of both sides

$ln(1.55)=ln(1.055^t)$

use ln rule $ln(a^b)=b(ln(a))$

$ln(1.55)=t(ln(1.055))$

divide both sides by ln(1.055)

$\frac{ln(1.55)}{ln(1.055)}=t$

using a calculator, we get that t=8.18544 yrs

so about 8.2yrs

4 0

3 years ago

25 - 7 + r<br> Solve the equation.

otez555 [7]

Answer:

25-7-r

18-r is answer

of this

7 0

3 years ago

Read 2 more answers

Camille shaded _1 8

san4es73 [151]

Answer:

you are saying it wrong its 1\8 and 3\3

Step-by-step explanation:

5 0

2 years ago