3 years ago

EASY I NEED HELP MATH QUESTION

Mathematics

1 answer:

gayaneshka [121]3 years ago

7 0

Answer:

Step-by-step explanation:

just put in 5 for x

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What is the diameter of circle C?

Ganezh [65]

Answer:

$d=2\sqrt{34}$

Step-by-step explanation:

Applying Pythagoras theorem on right angle triangle

$radius=r=\sqrt{(3)^2+(5)^2}$

$r=\sqrt{34}$

Diameter=2 x radius

$d=2r=2\sqrt{34}$

5 0

2 years ago

Please need help on this one

kakasveta [241]

Answer:

25 degrees

Step-by-step explanation:

Use a trig. ratio

$sin^{-1}$ =3/7

Plug it into a calculator

$sin^{-1}$ =25.3

7 0

3 years ago

HELPPPP!!! TRUE OR FALSE

shusha [124]

I think it may be true, please correct me if i am wrong

3 0

2 years ago

Read 2 more answers

A bacterium cell splits into 2 cells every hour. Write and evaluate an exponential expression to find how many cells there will

timurjin [86]

Answer:

2^x

64 bacterium

10 hours

Step-by-step explanation:

doubles every hour

if x = hours

2^x

2^x --> 2⁶ = 64

2^x = 1024

1024 = 2^10 ---> x=10

7 0

3 years ago

Solve this step by step using the quadratic function y=x^2 +x+2

Ne4ueva [31]

Answer:

x=+ $\frac{\sqrt{4y-7}-1 }{2}$

Step-by-step explanation:

Quadratic function =( -b+ $\sqrt{b^2+4ac}$ )/2a

x^2+x+2-y=0

x=-1+ $\sqrt{1^2-4(2-y)}$ /2

x=-1+ $\sqrt{4y-7}$ /2

x=+ $\frac{\sqrt{4y-7}-1 }{2}$

Pretty sure this is right. Would appreciate a brainliest

3 0

2 years ago