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3 years ago

Can you help me?

Mathematics

1 answer:

Salsk061 [2.6K]3 years ago

8 0

15. When the same two digits are next to each other in a number, the value of the number to the left is ten times the value of the one to the right. This is because we count in base ten and each place value represents the digit multiplied by 10^x.

16. 5,771 The one in the hundred place has a value of 7*100 which is 700. The one in the tens place has a value of 7*10 which is 70. The answer is B.

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Find the value of this expression if x=9. x^2+6/x-6

IRINA_888 [86]

We can find the answer by replacing every occurrence of x with 9 in the given expression as shown below.

$\frac{ x^{2} +6}{x-6} \\ \\ 
= \frac{9^{2}+6 }{9-6} \\ \\ 
= \frac{81+6}{3} \\ \\ 
= \frac{87}{3} \\ \\ 
=29$

So, the value of expression at x=9 is 29

8 0

3 years ago

Help will be appreciated its 2 questions btw or u can answer just 1 will give brainliest

Vitek1552 [10]

Answer:

1) (-3,-3)

2) 5

Step-by-step explanation:

3 0

3 years ago

Read 2 more answers

Answer please, id appreciate some help:)?

Vika [28.1K]

This is most likely C. The number of siblings doesn't really impact the test grade they got, for example, the first person had 1 sibling and got a 70, while the third person also has 1 sibling but got a higher score, a 93.

8 0

3 years ago

4(g+9)<br>Step 1: (4xg) + (4 x 9)<br>Step 2: 4g + ?

VLD [36.1K]

Answer:

Step-by-step explanation:

(4x9)=36

4g+36

Hope this helps!

7 0

3 years ago

A kite is stuck in a 36-ft tree. If the angle of elevation from the kite and the ground is 12, find the length of the kite.

yanalaym [24]

Answer:

173.15 ft.

Step-by-step explanation:

Please find the attachment.

Let L be the length of kite.

We have been given that a kite is stuck in 36-ft tree. The angle of elevation from the kite and the ground is 12.

We can see from our attachment that kite and tree form a right triangle. height of tree is opposite of angle of elevation and length of kite is hypotenuse.

Since we know that Sine relates the opposite and hypotenuse of a right triangle, so we will use sine to find the length of kite.

$sin(12)=\frac{36}{L}$

$L=\frac{36}{sin(12)}$

$L=\frac{36}{0.207911690818}$

$L=173.1504364105882792\approx 173.15$

Therefore, the length of kite is 173.15 ft.

4 0

3 years ago