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3 years ago

Expressions, Equations & inequalities Question 1Solve the inequality12x + 151 - 19

Mathematics

2 answers:

Setler [38]3 years ago

7 0

Answer:

12x + 151 - 19

12x + 132

12 (x + 11)

aliya0001 [1]3 years ago

3 0

Answer:

I believe the answer is 12 • (x + 11) .

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What the answer to 10m=450

yaroslaw [1]

Answer: m=45

Step-by-step explanation:

In this algebraic equation we can use the division property of equality

10m=450

m=450/10

m=45

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3 years ago

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Rebecca was advised to invest her £12000 life savings in a special High

Evgesh-ka [11]

#1st year

$\\ \rm\Rrightarrow 12000+0.045(12000)=12540$

#2nd year

$\\ \rm\Rrightarrow 12540+0.05(12540)=13167$

#3rd year

$\\ \rm\Rrightarrow 13167+0.053(13167)=13864.85$

#4th year

$\\ \rm\Rrightarrow 13864.85+13864.85(0.049)=14544.2$

Total interest

$\\ \rm\Rrightarrow 14544.2-12000=£ 2544.2$

Percentage

$\\ \rm\Rrightarrow \dfrac{2544.2}{12000}\times 100$

$\\ \rm\Rrightarrow 21.2\%$

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2 years ago

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50 is ____________ times as large as 5.

coldgirl [10]

Answer: 10

Step-by-step explanation:

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3 years ago

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Your friend's swimming pool is in the shape of a rectangular prism, with a length of 25 feet, a width of 8 feet, and a height of

RUDIKE [14]

Answer:

Part a) $V=1,000\ ft^{3}$

Part b) $h=5\ ft$

Part c) $=718\ gal$

Step-by-step explanation:

Part a) What is the volume of your friend's swimming pool?

we know that

The volume of a rectangular prism is equal to

$V=LWH$

substitute the values

$V=(25)(8)(5)=1,000\ ft^{3}$

Part b) Your swimming pool is in the shape of a cylinder with a diameter of 16 feet and has the same volume as your friend's pool. What is the height of your pool?

we know that

The volume of a cylinder is equal to

$V=\pi r^{2} h$

we have

$V=1,000\ ft^{3}$

$r=16/2=8\ ft$ ----> the radius is half the diameter

substitute and solve for h

$1,000=\pi (8)^{2} h$

$h=1,000/(64 \pi)$

$h=1,000/(64*3.14)=5\ ft$

Part c) While you were on vacation, 6 inches of water evaporated from your pool. About how many gallons of water evaporated from your pool?

remember that

$1\ ft=12\ in$

$6\ in=6/12=0.5\ ft$

Find the volume of water for $h=5-0.5=4.5\ ft$

$V=(3.14)(8)^{2}(4.5)=904.32\ ft^{3}$

the volume of water evaporated is equal to

$1,000\ ft^{3}-904.32\ ft^{3}=95.68\ ft^{3}$

convert to gallons

remember that

$1\ ft^{3}=7.5\ gal$

$95.68\ ft^{3}=95.68*7.5=718\ gal$

5 0

3 years ago

Select the best real-world situation that can be represented by 15 + c = 18.50. Then solve the equation and describe what your a

Daniel [21]

Answer:

15+c=17.50 First you subtract 15 by 15 because you switch operations from adding to subtracting then you would put C under it Second subtract 17.50 and 15 and that is 2.50 so C= 2.50

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Step-by-step explanation:

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3 years ago

Expressions, Equations & inequalities Question 1Solve the inequality12x + 151 - 19​

Expressions, Equations & inequalities Question 1Solve the inequality12x + 151 - 19