Subtract a^2 - 7a + 11 from the sum of 3a^2 - 4 and 5a^2 + 6a

Answers

Answer 1

Answer: $3a^2-4+5a^2+6a-(a^2-7a+11)=\n 8a^2+6a-4-a^2+7a-11=\n 7a^2+13a-15$

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Find the length of the third side. If necessary, write in simplest radical form. √51 10

If Jo is supposed to read one-half of a 100-page book for an English assignment and she has finished 38 pages, what percent of the assignment does she have left to do? Please answer and explain

Answers

$(1)/(2)\cdot100=50\ (pages)\n\n50-38=12\ (pages)\n\n(12)/(50)\cdot100\%=(12\cdot2)\%=24\%\leftarrow answer$

1. Calculate. Use the method you prefer. Check your answer using the inverse operation. a. 2014 ÷ 17 b. 3716 22 d. 1 168 ÷ 16 c. 4 691 ÷ 13 g. 5 186 ÷ 21 e. 9 603 27 f. 7 834 ÷ 19 h. 6 437 14 mo C.

Answers

the solutions are for: a. 118 with a remainder of 10, b. 169 with a remainder of 10.

What about others and what is remainder?

a. 2014 ÷ 17 = 118 with a remainder of 10

Check: 118 x 17 + 10 = 2014

b. 3716 / 22 = 169 with a remainder of 10

Check: 169 x 22 + 10 = 3716

c. 4 691 ÷ 13 = 361 with a remainder of 8

Check: 361 x 13 + 8 = 4691

d. 1 168 ÷ 16 = 73

Check: 73 x 16 = 1168

e. 9 603 / 27 = 355 with a remainder of 18

Check: 355 x 27 + 18 = 9603

f. 7 834 ÷ 19 = 411 with a remainder of 5

Check: 411 x 19 + 5 = 7834

g. 5 186 ÷ 21 = 247 with a remainder of 19

Check: 247 x 21 + 19 = 5186

h. 6 437 / 14 = 459 with a remainder of 1

Check: 459 x 14 + 1 = 6437

Therefore, the answers are:

a. 118 with a remainder of 10

b. 169 with a remainder of 10

c. 361 with a remainder of 8

d. 73

e. 355 with a remainder of 18

f. 411 with a remainder of 5

g. 247 with a remainder of 19

h. 459 with a remainder of 1

In arithmetic, the remainder is the amount left over after performing a division operation when one number is divided by another.

For example, when you divide 17 into 2014, you get 118 with a remainder of 10. This means that 17 goes into 2014 exactly 118 times, with 10 left over. The remainder is always less than the divisor and indicates how much is left after dividing the dividend as equally as possible by the divisor.

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Allison is planning to cover the lateral surface of a large cylindrical garbage can with decorative fabric for a theme party. The can has a diameter of 3 feet and a height of 3.5 feet. How much fabric does she need? Round to the nearest square foot.

Answers

The cylinder:
Lateral Area = 2 r π h,
where: r = 1.5 ft, h = 3.5 ft, π ≈ 3.1416
Lateral Area = 2 · 1.5 · 3.146 · 3.5 = 32.9868 ft² ≈ 33 ft²
Answer:
Allison needs 33 ft² of a decorative fabric.

Answer:

approx. 33ft^2

Step-by-step explanation:

A trampoline has an area of 49 pi square feet. what is the diameter of the trampoline?

Answers

The area of a circle is pi times the radius squared. Set up the equation pi x r squared = 49 pi square feet. Divide both sides of the equation by pi.
r squared = 49 square feet. Take the square root of both sides. r = 7 feet.
The diameter of the trampoline is double the radius which is 14 feet.

How many degrees Celsius is 51°F?

Answers

Answer:

10.56

Step-by-step explanation:

51°F − 32) × 5/9 = 10.56°C

Answer:

10.56°C

Step-by-step explanation:

Hope this helps!

Very simple challenge hard question

Answers

Answer:

-58.41509433

Step-by-step explanation:

0.4+8(5-0.8*5/8)-5/(2.5)=34.4

[0.4+8(5-4/8)-(2)]=

[0.4+8(40-4)/8)-2=34.4 ( nominator)

15-(8.9-2.6/(2/3))*34*2/5 =-53

15-(8.9-3.9)*68/5

15-5*68/5=

15-68=-53 ( denominator)

(34.4/-53) *90

-58.41509433

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A shoe store is having a sale where every pair of shoes cost $15. If you buy more than five pairs, you get a 10℅ discount. How much will it cost for seven pairs of shoes? is A. $70 B. $88.25 C. 94.50 D. $105

Let L1 be the line passing through the points Q1=(−1, 5, 2) and Q2=(−2, 7, 3) and let L2 be the line passing through the point P1=(−8, 4, 9) with direction vector →d=[−6, 3, 6]T. Determine whether L1 and L2 intersect. If so, find the point of intersection Q.