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2 years ago

Help with this page pls, For 20 points and brainiest

Mathematics

1 answer:

Bess [88]2 years ago

7 0

26. D
27. C
28. A
29. A
30. A
31. D
32. I don’t know sorry
33. C
34. I don’t know sorry

Hope this helps

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4 raised to power two minus 8u minus 9=0

coldgirl [10]

Answer:

x can be 3, -3, i, or -i.

Step-by-step explanation:

If you can't find the factoring by looking at this, simplify the equation.

let

to make things easier to see

Now we have

−

See it now?

We can factor into

(

−

)

(

)

Now substitute back in

for

(

−

)

(

)

Since

(

−

)

is a difference of two squares,

(

−

)

(

)

Now we have

(

−

)

(

)

(

)

x can be 3, -3 for the first two parts

can become

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Taking the positive and negative root means

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−

Thus

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4 0

2 years ago

Read 2 more answers

Thank you for the person that answers this :)

Ivenika [448]

Answer:

g(x) = - 3^x

Step-by-step explanation:

G is a reflection across the x axis of the function of f(x)

g(x) = −f(x)

g(x) = - 3^x

6 0

2 years ago

Work out 7/10 + 8/15 is. Give your answer as a mixed number in its simplest form.

san4es73 [151]

Answer:

$1\frac{7}{30}$

Step-by-step explanation:

$\frac{7}{10}+\frac{8}{15}\\ \\ \frac{21}{30}+\frac{16}{30}\\\\\frac{37}{30}\\\\1\frac{7}{30}$

6 0

2 years ago

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A car travels at constant speed for 7 days and covers 1500 miles. What is the speed in centimeters/minute? You may use the (appr

zvonat [6]

Answer:

Speed = 23809.52 cm/min

Step-by-step explanation:

Given : A car travels at constant speed for 7 days and covers 1500 miles.

To find : What is the speed in centimeters/minute

Solution : Formula to find speed is

$\text{Speed}=\frac{\text{Distance}}{\text{Time}}$

Distance traveled = 1500 miles and time taken = 7 days

$\text{Speed}=\frac{\text{1500 miles}}{\text{7 days}}$

Now, we have to convert miles into centimeter and days into minutes.

1 day = 24 hours

1 hour= 60 minute

24 hr= 24×60 minute

1 day = 24×60 minute

7 days = 7×24×60 minute = 10,080 minute

Now, 1 mile = 8/5 km = 1.6 km

1 km= 100000 cm

1.6 km = 1.6 × 100000 cm

1 mile = 1.6 × 100000 cm

1500 miles = 1500×1.6 × 100000 cm = 240,000,000 cm

Put back the values into speed

$\text{Speed}=\frac{\text{1500 miles}}{\text{7 days}}$

$\text{Speed}=\frac{\text{240,000,000 cm}}{\text{10,080 minute}}$

$\text{Speed}=\text{23809.523 cm/minute}$

Therefore, speed = 23809.52 cm/min

3 0

3 years ago

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A box of pencils costs $3.25 and a box of colored pencils costs $4.65. However, a box of pencils and a box of colored pencils ar

ale4655 [162]

Answer:

the least is 40

Step-by-step explanation:

if u multiply each money amount times the amount they bought you get the awnser

3 0

2 years ago