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3 years ago

PLEASEEEE HELPP MEE WITHHH NUMBERRR 10!!!!!! PLEASSEEE AND I NEED A GREAT EXPLANATIOn

Mathematics

1 answer:

Blababa [14]3 years ago

3 0

Answer:

hi dont report me we are friends

Step-by-step explanation:

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If 6 men can do a piece of work in 14 days, how many men are needed to do the work in 21days?

Ivenika [448]

Total work amount
6 men * 14 days
84 men days

If it is done within 21 days, need x men
84 men days = x men * 21 days
x = 84/21 men
x = 4 men

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3 years ago

I gots some mathhhhh.<br> if you get all three done first then u get brainliest

Burka [1]

Answer:

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3 years ago

Answer correctly and i will give brainliest

Arlecino [84]

Answer:

yes it is because they are both going by two

Step-by-step explanation:

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3 years ago

Read 2 more answers

Express cos k as a fraction in simplest terms.

yan [13]

soh cah toa

that is the saying I use

we will use cah

c is cos

a is ajacent

h is hypotinuse

to find cos K we need to do

adjacent / hypotenuse

can you do that and write it in the comments

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2 years ago

Solve for the following equation step by step and justify your steps when using an exponential property.

mel-nik [20]

x = $\frac{5}{7}$

using the ' laws of exponents '

• $a^{m}$ × $a^{n}$ = $a^{( m + n )}$

• $a^{m}$ ÷ $a^{n}$ = $a^{(m - n)}$

• ( $a^{m}$ )^n = $a^{mn}$

$7^{2}$ × $7^{3}$ = $7^{5}$ ÷ $7^{3x}$ = $7^{5 - 3x}$

$7^{4x}$ = $7^{5 - 3x}$

equating the exponents since bases on both sides are 7

4x = 5 - 3x

7x = 5 ⇒ x = $\frac{5}{7}$

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3 years ago