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2 years ago

Which statements are true about the number represented by the blocks? Check all that apply.

Mathematics

1 answer:

chubhunter [2.5K]2 years ago

5 0

Answer:

alllllllll

Step-by-step explanation:

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If f(x) = 2x² - 6x + 8, find f(a - 2).

yan [13]

Answer: f(a-2) = 2a² - 14a + 28

Step-by-step explanation:

f(x) = 2x² - 6x + 8

you can take a-2 and substitute it for each x, which would look like this:

f(a-2) = 2(a-2)² - 6(a-2) + 8

then distribute those in ( )

f(a-2) = 2a² - 8a + 8 - 6a + 12 + 8

combine like terms

f(a-2) = 2a² - 14a + 28

7 0

2 years ago

Which one is it need help

jeka94

<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ To understand this, you need to know one rule:

when indices are separated by parenthesis, they multiply

As per this rule, the correct option would be C

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

5 0

2 years ago

-2x + |4n - 2|<br> x = -3<br> n = 2

Tresset [83]

Answer:

Step-by-step explanation:

4 0

2 years ago

QUICK ITS TIMED WILL GIVE BRAINLYIST

muminat

C

Hope it helps!!!!!!

6 0

2 years ago

A straw is 25 cm long an 12 mm in diameter.how much liquid can be held in the straw at one time

eduard

Answer:

About 28 cm³

Explanation:

The shape of a straw may be modeled by a cylinder; thus, use the formula for the volume of a cylinder with length (or height) 25cm and diameter 12mm.

Formula for the volume of a cylinder:

$V=\pi \times (radius)^2\times height$

For the given straw:

radius = diameter/2 = 12mm /2 = 6mm

Convert to cm: 6mm × 1cm/10mm = 0.6cm

height: 25cm

Substitute and compute:

$V=\pi \times (0.6cm)^2\times 25cm\approx28.27cm^2\approx28cm^3$

8 0

3 years ago