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WARRIOR [948]
2 years ago
11

Donny jumped from a rock into a lake. The rock is 35 feet above water. He dove 15 feet below the surface of the water. His broth

er says he traveled 20 feet in all. Donny says he traveled 50 feet in all. Who correct?
Mathematics
1 answer:
inysia [295]2 years ago
4 0
Donny is correct. To solve this problem all you need to do is add 35 to 15 equation below ⬇️

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there a 158 beats per minute in a certain taylor swift song. if the song is 3 minutes and 30 seconds long, how many total beats
sergiy2304 [10]
Answer is 553 beasts
Step by step:
Multiply 158 by 3 to get 474
Divide 158 by 2 to get 79
Add 474 with 79 and get 553
4 0
3 years ago
15 is what percent of 70​
podryga [215]

Answer:

21%

Step-by-step explanation:

15/70=21.14 round to 21

5 0
3 years ago
Read 2 more answers
One lap around the lake is 7/10 mile Dasha runs 9 laps around the lake
Sindrei [870]

Answer:

6.3

Step-by-step explanation: Divide 7 by 10 and get .7 then you would multiply that by 9 and youll get 6.3

4 0
3 years ago
6. Find d.<br><br><br> Please help
Anvisha [2.4K]

Answer:

Step-by-step explanation:

The first thing we are going to do is to fill in the other angles that we need to solve this problem. You could find ALL of them but all of them isn't necessary. So looking at the obtuse angle next to the 35 degree angle...we know that those are supplementary so 180 - 35 = the obtuse angle in the small triangle. 180 - 35 = 145. Within the smaller triangle we have now the 145 and the 10, and since, by the Triangle Angle-Sum Theorem all the angles have to add up to equal 180, then 180 - (10 + 145) = the 3rd angle, so the third angle is 180 - 155 = 25. Now let's get to the problem. If I were you, I'd draw that out like I did to keep track of these angles cuz I'm going to name them by their degree. In order to find d, we need to first find the distance between d and the right angle. We'll call that x. The reference angle is 35, the side opposite that angle is 12 and the side we are looking for, x, is adjacent to that angle. So we will use the tan ratio to find x:

tan(35)=\frac{12}{x} Isolating x:

x=\frac{12}{tan(35)} so

x = 17.1377 m

Now we have everything we need to find d. We will use 25 degrees as our reference angle, and the side opposite it is 12 and the side adjacent to it is

d + 17.1377, so that is the tan ratio as well:

tan(25)=\frac{12}{d+17.1377} and simplifying a bit:

d+17.1377=\frac{12}{tan(25)} and a bit more:

d + 17.1377 = 25.73408 so

d = 8.59, rounded

3 0
3 years ago
5/7 ............. 15/21<br><br> NONE OF THESE<br> EQUAL<br> GREATER THAN<br> LESS THAN
sertanlavr [38]

Answer: EQUAL

Step-by-step explanation:

Just as you can do the same thing to both sides of an equation, you can do the same thing to both sides of a fraction.  15 = 5*3 and 21 = 7*3.  Thus, 5/7=15/21

Hope it helps <3 :)

5 0
3 years ago
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