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nikdorinn [45]
3 years ago
7

Simplify this algebraic expression x-5/5+10А. x+ 11в. х- 9c. х- зd. x+9​

Mathematics
1 answer:
bulgar [2K]3 years ago
4 0

Answer:

\displaystyle X+9

Step-by-step explanation:

\displaystyle\frac{b}{b}=1

\displaystyle\frac{5\div5}{5\div5}=\frac{1}{1}=1

\displaystyle x-1=10

Add and subtract numbers from left to right.

-1+10=9

\displaystyle x+9, which is our answer.

Hope this helps!

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Does the bathroom have enough water and shampoo for 888 long-haired members and 777 short-haired members?
Dovator [93]

Complete question :

Members of the swim team want to wash their hair. The bathroom has less than 5600 liters of water and at most 2.5 liters of shampoo. 70L+ 60S < 5600 represents the number of long-haired members L and short-haired members S who can wash their hair with less than 5600 liters of water. 0.02L + 0.01S < or equal to 2.5 represents the number of long-haired members and short-haired members who can wash their hair with at most 2.5 liters of shampoo. Does the bathroom have enough water and shampoo for 8 long-haired members and 7 short -haired members?

Answer:

Yes , there is enough water and shampoo

Step-by-step explanation:

Given that:

Number of long and short hair member who can wash their hair with less than 5600 litres of water.

70L+ 60S < 5600

Number of long and short hair member who can wash their hair with at most 2.5 litres of shampoo

0.02L + 0.01S ≤ 2.5

To check if bathroom has enough water and shampoo for 8 long haired and 7 short haired members.

Water check:

70L+ 60S < 5600

L = 8 ; S = 7

70(8) + 60(7) < 5600

560 + 420 < 5600

980 < 5600

Inequality constraint is satisfied ; There is enough water.

Shampoo check:

0.02L + 0.01S ≤ 2.5

L = 8 ; S = 7

0.02(8) + 0.01(7) ≤ 2.5

0.16 + 0.07 ≤ 2.5

0.23 ≤ 2.5

Inequality constraint is satisfied ; There is enough shampoo

8 0
3 years ago
A survey all beings on plant Kent found that 20 beings preferred Freon juice to all other juices. If 50 beings surveyed altogeth
Ugo [173]

Answer: 40%

Step-by-step explanation:

Since 20 beings preferred Freon juice to all other juices and there were 50 people that were surveyed, the percentage of those that preferred Freon Juice will be:

= Those that preferred Freon Juice / Total number surveyed. × 10

= 20/50 × 100

= 40%

3 0
3 years ago
One hundred grams of radium are stored in a container. The amount RR (in grams) of radium present after tt years can be modeled
drek231 [11]

Answer:

6967 years

Step-by-step explanation:

Given the exponential function :

R=100e−0.00043t

Time = t in years

R = final amount

Number of years in which only 5 grams of radium will be present :

R = 5

Plugging into our formula :

5 = 100 * e^−0.00043t

5 / 100 = e^−0.00043t

0.05 = e^−0.00043t

Take the In of both sides

−2.995732 = - 0.00043t

t = −2.995732 / - 0.00043t

t = 6966.819

t = 6966.819 years

t = about 6967 years

8 0
3 years ago
Find X when y= -2 <br> Thank you for your help and have a blessed day
Andreas93 [3]

Answer:

x = -5

Step-by-step explanation:

4x+y=2(x+3y)\\\\4x-2=2(x+3(-2))\\\\4x-2=2(x-6)\\\\4x-2=2x-12\\\\4x-2+2=2x-12+2\\\\4x=2x-10\\\\4x-2x=2x-2x-10\\\\2x=-10\\\\\frac{2x=-10}{2}\\\\\boxed{x=-5}

Hope this helps.

8 0
3 years ago
Read 2 more answers
Which expressions are equivelant ti the one below? 16^x/4^x
Jlenok [28]

Answer:

4^{x}

Step-by-step explanation:

\frac{16^x}{4^x}   Divide the fraction. Since both have an exponent of x, the answer has an exponent of x.

4^{x}

If this answer is correct, please make me Brainliest!

4 0
3 years ago
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