3 years ago

Solve the equation 1 + 5x - 10 = 7x - 9 - 2x

Mathematics

1 answer:

Tom [10]3 years ago

6 0

All real numbers are solutions.

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If f(x) = 5x + 40, what is f(x) when x = –5? –9 –8 7 15

Gnoma [55]

Hi,

$f(x)=5x+40\\\\f(-5)=5\times(-5)+40=-25+40=15\\f(-9)=5\times(-9)+40=-45+40=-5\\f(-8)=5\times(-8)+40=-40+40=0\\f(7)=5\times7+40=35+40=75\\f(15)=5\times15+40=75+40=115$

5 0

3 years ago

Read 2 more answers

6A./25% घाटामा बेचिएको कुनै सामानलाई रु. 21,000 बढीमा बेच्न सकिएको भए 10% नाफा

svetlana [45]

Answer:

60,000

Step-by-step explanation:

Let us represent:

Costs price = x

Selling price = x - 25%x

x - 0.25x

= 0.75x

If it been sold for Rs 21,000 more then the profit would have been

10%. = x + 10% = 1.1x

1.1x =0.75x + 21000

Collect like terms

1.1x - 0.75x = 21000

0.35x =21000

x = 21000/ 0.35

x = 60000

The cost price of the item = 60,000

7 0

2 years ago

Solve for x ... please help

Mrac [35]

Answer:

$7x + 49 \degree = 2x + 94\degree \\ 7x - 2x = 94\degree - 49 \degree \\ 5x = 45\degree \\ x = \frac{45}{5} \\ x = 9 \\ check \\ 7(9) + 49 = 112\degree \\ 2(9) + 94 = 112\degree$

5 0

2 years ago

Please help? Don’t mind me trying to answer lol

salantis [7]

Answer:

Your answer choices are correct

Step-by-step explanation:

Mark me brainliest pls

3 0

2 years ago

Square had a radius of 5 square root 2 find the apothem

Karo-lina-s [1.5K]

Answer:

Apothem = 5 inches

(circum)radius = 5*sqrt(2) inches

Step-by-step explanation:

6 0

3 years ago