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ale4655 [162]
4 years ago
5

Does anybody know how to do problems 19 and 21?

Mathematics
1 answer:
Nataliya [291]4 years ago
8 0
I only know #19
Boots=x
Shoes=x-15
3(x-15)+2x=120
3x-45+2=120
5x-45+2x=120
5x=165
X=33
Boots=$33
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X =x=x, equals <br> ^\circ <br> ∘<br> degrees
Andrej [43]

Step-by-step explanation:

x = 145°

we don't even need the upper parallel line with the 35° angle.

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2 years ago
For every truck a police officer encounters she writes down T, for every car C, for every van V, and for every vehicle that is n
Kruka [31]

Answer:

5 = T

8 = C

3 = V

3 = O

which means its other because it said it is not a car, truck or van so its other meaning O

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Step-by-step explanation: Theirs really nothing to it just pay attention to the hint :)

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3 years ago
Which inequality is true 1.5 &gt; 2 1/2, 1/2 &gt; 0.5, -2.5 &gt; -1.5, -3 1/2 &gt; - 4.5
yawa3891 [41]

Answer: D

Step-by-step explanation:

(A. 1.5 > 2 1/2

(B. 1/2 > 0.5

(C. -2.5 > -1.5

(D. -3 1/2 > - 4.5

Step 1: Convert everything to decimals or fractions so its easier to see and make it less likely to get the question wrong

Method #1: Fractions

1.5= 1 1/2

0.5= 1/2

-2.5= - 2 1/2

-1.5= - 1 1/2

-4.5= -4 1/2

Now we have:

(A. 1 1/2 > 2 1/2 --> This is wrong because 1 1/2 is supposed to be less than 2 1/2.

(B. 1/2 > 1/2 This is also wrong. 1/2 is equal to 1/2; they are obviously the same.

(C. -2 1/2 > -1 1/2 This is wrong because, in negative numbers, its sort of backwards. For example, -2 is actually less than -1 because its farther away from 0. But if they were normal positive numbers, 2 would be bigger. But here, -2 1/2 is less than -1 1/2.

(D. -3 1/2 > - 4 1/2 This is correct. -3 1/2 is closer to 0 than -4 1/2, so it has to be bigger.

Solving the problem this way gets me to: Answer= D

Method #2: Decimals (remember: same numbers, different way of writing them!!!)

(A. 1.5 > 2.5 False. 1.5 is less than 2.5

(B. 0.5 > 0.5 False. 0.5 is equal to 0.5

(C. -2.5 > -1.5 False. -2.5 is farther away from 0 so its actually smaller.

(D. -3.5 > - 4.5 True. -3.5 is closer to 0.

Doing it this way also leads me to Answer= D.

Hope this helps :)) Also can i please have brainiest? I worked pretty hard on this :D

6 0
2 years ago
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pls send the image along with it. So it can be solved

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