3 years ago

Subtract the following decimals 1. 19.87 - 8.54 2. 7.93 - 2.03 3. 96.6 - 88.5

Mathematics

1 answer:

Lina20 [59]3 years ago

7 0

Answer:

the answer is

1. 11.33

2. 5.9

3. 8.1

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A shirt is on sale for 30% off. The expression p - 0.30p, where p is the original cost of the shirt, can be used to find the sal

Law Incorporation [45]

Answer: 0.70

Step-by-step explanation the same as decreased by 30%" would be (1.00 - 0.30)(original cost), or 0.70(original cost)

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3 years ago

If a = -35, b = 10 cm and c = -5, verify that:

Murljashka [212]

Step-by-step explanation:

(i). a+(b+c) = (a+b)+c

-35+(10-5) = (-35+10)+(-5)

-35+5 = -25-5

-30 = -30

(ii). a×(b+c) = a×b + a×c

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2 years ago

Solve the equation 2x3 + 7x2 – 10x – 24 = 0 in the real number system.

Rom4ik [11]

Answer:

x = 2

x = -4

x = -3/2

Step-by-step explanation:

We need to find the roots of the equation

2x^3 + 7x^2 – 10x – 24 = 0

We can factorize the equation into

(x-2)(x+4)(2x + 3) = 0

Roots

x = 2

x = -4

x = -3/2

The answer to your question is also attached in the images below

4 0

3 years ago

Read 2 more answers

Y = 5x + 15<br> y = -5x - 15

algol [13]

Answer:

5x + 15 = -5x - 15

10x = -30

x = -3

y = 5(-3) + 15 = -15 + 15 = 0

(-3,0)

Step-by-step explanation:

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3 years ago

Find the percent change from 48 to 228. Tell whether it is a percent increase or decrease. If necessary, round your answer to th

KIM [24]

228 - 48 = 180

180/48 = 3.75

Its increase 375%

7 0

3 years ago