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3 years ago

Which is it? A,B,C or D

Mathematics

1 answer:

kondor19780726 [428]3 years ago

7 0

B I think I don’t really know

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By decreasing each dimension by 1 unit, the area of a rectangle decreased from 40 square feet (on the left) to 28 square feet

BabaBlast [244]

Attached a pic of the solution (s).

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3 years ago

To make a fruit salad for a party, Chris

Sloan [31]

Answer:

$33.81

Step-by-step explanation:

2.49*3 = 7.47 dollars for 3 pounds of strawberries

3.19*2 = 6.38 dollars for 2 pounds of blueberries

4.99*4 = 19.96 dollars for 4 pounds of pineapple

7.47 + 6.38 + 19.96 = 33.81 dollars spent in total

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2 years ago

Solve the right triangle, ΔABC, for all the missing side and angles to the nearest tenth given sides a = 10.6 and b = 19.2.

Aliun [14]

Answer:

Part 1) $c=21.9\ units$

Part 2) $B=61.1\°$

Part 3) $A=28.9\°$

Part 4) $C=90\°$

Step-by-step explanation:

step 1

Find the length side c

Applying the Pythagoras Theorem

$c^{2}=a^{2}+b^{2}$

substitute the given values

$c^{2}=10.6^{2}+19.2^{2}$

$c^{2}=481$

$c=21.9\ units$

step 2

Fin the measure of angle B

we know that

In the right triangle

$tan(B)=b/a$

substitute the given values

$tan(B)=19.2/10.6$

$B=arctan(19.2/10.6)=61.1\°$

step 3

Find the measure of angle A

we know that

The measure of interior angles in a triangle must be equal to 180 degrees

∠A+∠B+∠C=180°

Remember that in a right triangle the measure of angle C is 90 degrees

we have

$B=61.1\°$

$C=90\°$

substitute

$A+61.1\°+90\°=180\°$

$A=28.9\°$

4 0

3 years ago

What is the distance between points A and B? (Use only digits 0-9 to write the distance.)

qwelly [4]

Answer:

Step-by-step explanation:

A is on the negative side so you count the distanse as -6 -5 -4 so on and then you get to 0 and then its 12345678

3 0

3 years ago

Need help solving this differentiation problem please. Thank you.

DIA [1.3K]

First convert the terms to fractional exponents

u = t^2/3 - 3t^3/2

differentiating

u' = 2/3 t^ (2/3 - 1) - 3* 3/2 t^(3/2 - 1)

= 2/3 t ^(-1/3) - 9/2 t ^(1/2)

= 2 / (3∛t) - 9 √ t / 2 in radical form

7 0

3 years ago

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