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Reika [66]
3 years ago
8

HELP PLEASE!!!

Mathematics
1 answer:
r-ruslan [8.4K]3 years ago
6 0

The speed limit on the highway is no more than 55 mph. Which graph represents all of the possible speeds that break the speed limit on the highway?

answer: d
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Can someone help me with this please??
Evgen [1.6K]

Answer:

z=20.8

x=16.97

y=12

Step-by-step explanation:

The triangle on the right is a 30,60,90 triangle, a special right triangle with simple rules to find the side lengths. sides A,B, and C where C is the hypotenuse (24 in your diagram). The short side A is= 1/2 of side C (12 in your diagram). The long side B is= side A*√3 (20.8 in your diagram).

The triangle on the left is another special right triangle called a 45,45,90. The rules for this triangle are C= A*√2, and B=A. Because of the rules in the 30,60,90 triangle, we know that side A is 12. This means that side B (y)=12. Side C (x)= 16.97.

Hope this helped! Sorry if my explanation is confusing, but the rules for special right triangles can be easily found online and then calculated :)

4 0
4 years ago
What is the slope of the line represented by the equation y
Tanya [424]
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5 0
3 years ago
Solve.and show your work
Marysya12 [62]

Answer:

a) x > − 24 \frac{3}{4}

b) x < − 3

c) q < 56

Step-by-step explanation:

a) −2/5x−9<9/10

<=> 2/5x + 9 > − 9/10

<=> 2/5x > − 9/10 − 9

<=> 2×2/2×5x > − 9/10 − 9×10/10

<=> 4/10x > − 99/10

<=> x > − 99/4

<=> x > − 24 \frac{3}{4}

b) 4x+6<−6

<=> 4x < − 6 − 6

<=> 4x < − 12

<=> x < − 12/4

<=> x < − 3

c) q+12−2(q−22)>0

<=> q+12−2q −2×(−22)>0

<=> (q−2q) + (12+ 44) >0

<=> −q + 56 >0

<=> q < 56

8 0
3 years ago
Karen is going to a book sale. She knows that she will spend no more than $50. Two of the books Karen wants to buy cost $12 each
olganol [36]

Answer: She can by 3 $7.75 books.

Step-by-step explanation:

7.75 times 3= 23.25 so 23.25+24= 47.25 with tax.

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4 years ago
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Yr momi need tl know id tour mom oa a mild bc kile im a mold ykyk
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