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2 years ago

Dan walk 51/2 times around a trail that is 21/2 miles long how far did he walk

Mathematics

1 answer:

Svetach [21]2 years ago

6 0

13 1/4 miles is what I got from multiplying the distance of the trail by the amount of times he walked around it

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24x + 15 <br>find the value of x

nika2105 [10]

Answer:

x=-0.625

Step-by-step explanation:

24x+15=0

-15 -15

24x=-15

x=-0.625

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3 years ago

What value represents the solution of the equation 2 (x+5) = }(2 - 4)?

Mnenie [13.5K]

Answer:

C -6

step by step explanation:

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3 years ago

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Delta bought a new iPhone XS that was discounted so that she got 22% off the original price. This resulted in a $149.60 discount

Mumz [18]

Answer: 159.5

Step-by-step explanation:

If 22% if is 9.90 you add 149.60+ 9.90 and you get 159.5. I'm sorry if this is wrong, I tried

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3 years ago

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Y = 1.6x + 48

jekas [21]

Answer:

7.5

Step-by-step explanation:

y=1.6x + 48

so you put 60 where y is

60=1.6x + 48

then you subtract 48 from both sides

60-48=1.6x + 48-48

12=1.6x

then you divide 1.6 by both sides

12/1.6=1.6/1.6x

so your answer will be

7.5=x

and also if you put 7.5 where x is in the equation you will get 60 just so you know that.

6 0

3 years ago

use the pythagorean theorem to find the missing side length. 2 write sin, cosine, tangent of each angel.

Harlamova29_29 [7]

Answer:

1) $x=5\sqrt{3}$

2) $sin(a)=5\sqrt{3}/14$

$sin(b)=11/14$

$cos(a)=11/14$

$cos(b)=5\sqrt{3}/14$

$tan(a)=5\sqrt{3}/11$

$tan(b)=11/5\sqrt{3}$

Step-by-step explanation:

The Pythagorean Theorem is:

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

Where a is the hypotenuse and b and c are the legs.

The missing side lenght is one of the legs, then you must solve for one of them. Therefore, this is:

$x=\sqrt{(14yd)^{2}-(11yd)^{2}}=5\sqrt{3}yd$

MEASURE OF ANGLE:

Keep the identities on mind:

$sin\alpha=opposite/hypotenuse$

$cos\alpha=adjacent/hypotenuse$

$tan\alpha=opposite/adjacent$

Susbstitute values, then:

$sin(a)=5\sqrt{3}/14$

$sin(b)=11/14$

$cos(a)=11/14$

$cos(b)=5\sqrt{3}/14$

$tan(a)=5\sqrt{3}/11$

$tan(b)=11/5\sqrt{3}$

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4 years ago

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