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Marta_Voda [28]
3 years ago
12

Please help asap. thanks

Mathematics
2 answers:
Lilit [14]3 years ago
5 0
7^2+x^2 = 9^2
49+x^2=81
x^2=81-49
x^2=32
x=square root of 32
sergeinik [125]3 years ago
4 0

Answer:

4\sqrt{2}

Step-by-step explanation:

use pythagoeron theorem

9^2-7^2=x^2

x^2=32

x=4\sqrt{2}

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In a choir, the ratio of boys to girls is 5 to 6. There are 10 boys in the choir.
Lina20 [59]

Answer:

Answer:

5:6 --> 10:12

Step-by-step explanation:

A good way to think of this is to provide a perspective: there are 5 boys every time there is 6 girls. So if there is 10 boys, that means there would be 12 girls (because 5 *2 = 10 and 6*2 = 12).

tl:dr: 5 *2 = 10 so 6*2 = 12

4 0
3 years ago
Seven more than the quotient of a number and 2 is -4
Rzqust [24]

Answer:

x/2 + 7 = -4

Step-by-step explanation:

7 more just means plus 7

a quotient of a number and blank basically is 'a number' (usually x) over a the number given if that makes sense. so in our scenario its x/2

'is' basically means is equal to

put it all together and you get x/2 + 7 = -4

hope this helps <3

5 0
3 years ago
Can anyone teach plsssss........................ Given that PR= 17cm and SR= 6cm.Find the length, in cm of TS. ​
Lemur [1.5K]

Answer:

9cm

Step-by-step explanation:

  1. Since PQST is a rectangle, ∠QST=∠QSR=∠90º. So triangle QSR is a right triangle.
  2. By the Pythagorean Theorem and that SR=6 and QR=10, we can say that 6^2+b^2=10^2. So, 36+b^2=100. And b^2=64 and b=8. So QS=8.
  3. Now we know that QS=PT=8.
  4. By the Pythagorean Theorem and that PR=17 and PT=8, we can say a^2+8^2=17^2. So, a^2+64=289. And a^2=225 and a=15.
  5. We know that TR=15 and SR=6 and TR-SR=TS, so 15-6=9.
8 0
3 years ago
Tyrell went to the park to go jogging. The beginning of the running path has a elevation of -2 feet. The higest elevation on the
nikdorinn [45]
The difference is the highest point minus the beginning elevation. Thus 14-(-2)=14+2=16 feet.
3 0
4 years ago
PLS HELP&gt; is this a examples of speed velocity and acceleration. a plane flying 300 mi/hr west toward California
rusak2 [61]

Answer:

No

Step-by-step explanation:

Speed: 300 mi/hr, Gives how fast you go

Velocity: 300 mi/hr west, includes speed and direction

Acceleration: No, it does not say a starting speed or if it was a constant speed.

Hope this helps :)

7 0
4 years ago
Read 2 more answers
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