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Len [333]
3 years ago
11

Seventeen added to a number is sixty-five. What is the number?

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
8 0

Answer:

problem: 17+x=65

answer: 48

NeX [460]3 years ago
3 0

Answer:

48

Step-by-step explanation:

65-17=48

17+48=65

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the earth rotates about its axis once every 23 hours, 56 minutes and 4 seconds. Approximate the number of radians the earth rota
marishachu [46]

Answer:

\frac{\pi}{43082}\text{ radians per second}

Step-by-step explanation:

Given,

Time taken in one rotation of earth = 23 hours, 56 minutes and 4 seconds.

Since, 1 minute = 60 seconds and 1 hour = 3600 seconds,

⇒ Time taken in one rotation of earth = (23 × 3600 + 56 × 60 + 4) seconds

= 86164  seconds,

Now,  the number of radians in one rotation = 2π,

That is, 86164 seconds = 2π radians

\implies 1\text{ second }=\frac{2\pi}{86164}=\frac{\pi}{43082}\text{ radians}

Hence, the number of radians in one second is \frac{\pi}{43082}

4 0
3 years ago
How much will each person drink
Klio2033 [76]
20L = 20,000mL. 20,000 / (22+3) people = 800mL/person
6 0
3 years ago
Pleasseee hellp for brainleist answer and extra points if you correct the 2 first top rows
andrew-mc [135]
So close! But instead of adding the multiplication sign after the number you need to add them before. Good job though! :)
7 0
3 years ago
Read 2 more answers
I need help with these two questions!! I got 72° for Question 7, I don't know I need help with both of them!! PLEASE HELP!! :)
Nat2105 [25]

Answer:

7. 49

8. 10.4

Step-by-step explanation:

7) our hypotenuse is 8, and the side opposite the base of ladder and ground angle is 6, therefore we can use Sin

sin = opposite/hypotenuse

sin(x) = 6/8 = 3/4

sin-1(3/4) = 49

8) using the theorem that alternate exterior angles are congruent

the angle opposite side x is 30

tan = opposite/adjacent

tan(30) = x/18

x = 18tan(30) = 6√(3) = 10.4

you can also use 30-60-90 special right triangles.

the side opposite 30 is x

side opposite 60 is x√(3)

and side opposite 90 is 2x

3 0
3 years ago
What is x for -3(x+5)=-9
Andrew [12]
-3(x+5)=-9
-3x-15=-9
+15 +15
-3x=6
-1x=2
1x=-2
x=-2
3 0
3 years ago
Read 2 more answers
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