4 years ago

Homework check? if i’m wrong tell me why? :)

Mathematics

1 answer:

Talja [164]4 years ago

7 0

Answer:

9d you need to take the 3 to the power outside the (). I can't read it. 4???

10c x needs to be raised to the power also.

10e simplify the fraction

Step-by-step explanation:

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The graph of which function has an axis of symmetry at x = 3? f(x) = x2 3x 1 or f(x) = x2 – 3x – 3 or f(x) = x2 6x 3 or f(x) = x

Wittaler [7]

For
ax^2+bx+c
the axis of symmetry is -b/2a

first one
-3/2=3, nope

2nd one
3/2=3? nope

3rd one
-6/2=3? nope

fourth
6/2=3? yes
answer is last one or
f(x)=x^2-6x-1

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3 years ago

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A coral reef grows 0.11m every week. How much does it grow in 15 weeks?

Vladimir [108]

you need to multiply .11 times 15

That answer is 1.65 m

Hope this helps

Brainliest is always appreciated : )

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4 years ago

Pls help!! look at photo

monitta

Answer:

2 : 1

Explanation:

$\sf area \ of \ sector: \dfrac{\theta}{360} \pi r^2$

<u>1st sector</u>:

$\sf \rightarrow area: \dfrac{80}{360} \pi (8)^2 = 44.68 \ cm^2$

<u>2nd sector</u>:

$\sf \rightarrow area: \dfrac{160}{360} \pi (4)^2 = 22.34 \ cm^2$

Ratio of 1st sector to 2nd sector:

44.68 : 22.34

2 : 1

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2 years ago

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The light bulbs you use are on sale. But you only get the lower price if you buy 3 packages of bulbs. You want to know how much

weeeeeb [17]

Let’s let s = sale price per package
r = =regular price per package
c = cost savings.
Answer: c= 3r – 3s

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3 years ago

What fraction of 3 liters is 800 ml?

Alex

Reduced it will be 3/4 your welcome ":)

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3 years ago

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