MATHEMATICS MIDDLE SCHOOL

1+4 = 5
2+5 = 12
3 + 6 = 21
8 + 11= ?

Answers

Answer 1
Answer: The correct answer is 40. Hope that helps!
Answer 2
Answer: (1x4)+1=5
(2x5)+2=12
(3x6)+3=21
(8x11)+8=96

I'm not sure but that's my guess

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Number 18 idk what to do help plz and fast

Answers

it is right it is C 454.5

A liter is equal to 100 centiliters. Is a centiliter agreater measure than a milliliters? Explain.

Answers

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Find all solutions for a triangle with B=36 degrees, b=19, and c=36. Round to the nearest tenth.

Answers

we know that

Applying the law of sines

b/sin B=c/sin C-------> solve for sin C

sin C=(c/b)*sin B-----> sin C=(36/19)*sin 36

sin C=1.1137-------> the value of the sines can not be greater than 1

The side lengths and angle given cannot be used to create a triangle

therefore


with the given values ​​there is no solution to form some triangle

Witch is bigger -5 or -55

Answers

the answer to which is bigger is -5 because it is closer to zero

Answer: Well although -55 does have double digits it is farther away from zero and on the negative scale the number closest to 0 is the biggest so -5 would be greater

Step-by-step explanation:

Find the sales tax for 3 CD's, if each CD is $14.29 and the sales tax is 7.25%

Answers

Answer:

3 x 14.29 = 42.87     subtotal

42.87 x .0725 = $3.11    sales tax  

Total is $ 45.98

Step-by-step explanation:

A 13-ounce package of pistachios costs $5.99. What's the unit rate?

Answers

we know that

A rate is a ratio that compares quantities in different units. A unit rate is a rate where the second quantity is one unit

so

In this problem to find the unit rate

Divide $5.99 by 13\ ounces

unit\ rate=(5.99)/(13)(dollars)/(ounce) \n \n unit\ rate=0.46(dollars)/(ounce)

therefore

the answer is

the unit rate is equal to 0.46(dollars)/(ounce)
The unit rate is $0.46 per ounce because $5.99/13oz=$0.46/oz. 
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