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Aloiza [94]
3 years ago
11

Given the figures are similar, calculate the length of US

Mathematics
1 answer:
ICE Princess25 [194]3 years ago
7 0

in this one x=9 ask if you need an explanation

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Which events are independent? Choose all that apply.
Mila [183]

Answer:

i'd say the answer is b. i hope this helps

6 0
3 years ago
Read 2 more answers
PLLZZZZZZZ HEELLLPPPP
Mrrafil [7]

Answer:

f(9) = 72

Step-by-step explanation:

This is a piecewise function. You have to establish what part to plug in your x value based on the designations given in the function. In this case, x=9.

9>6, so we would follow the bottom designation! When writing the function, turn every "x" into a 9.

f(x) = 8x

f(9) = 8(9)

f(9) = 72

Hope this helps you out :)!

5 0
3 years ago
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PLEASE HELP. <br> if v1….
Rainbow [258]
I believe the answer is 4.4
6 0
2 years ago
A wireless phone company determines the 12 bones out of every 350 phones are returned because of defective screens if the compan
Varvara68 [4.7K]

Answer:

68.5

Step-by-step explanation:

Use a slash = slash or a proportion

12 to 350 as x to 2000

5 0
3 years ago
Solve the system by substitution.
Butoxors [25]

<u>Answer:</u>

The solution set of given equations -x-y-z = -8 and - 4x + 4y + 5z = 7 and 2x + 2z = 4  is (3, 6, -1)

<u>Solution:</u>

Given, set linear equations are

-x – y – z = -8 ⇒ x + y + z = 8 → (1)

-4x + 4y + 5z = 7 ⇒ 4x – 4y – 5z = -7 → (2)

2x + 2z = 4 ⇒ x + z = 2 → (3)

We have to solve the above given equations using substitution method.

Now take (3), x + z = 2 ⇒ x = 2 – z  

So substitute x value in (1)  

(1) ⇒ (2 – z) + y + z = 8 ⇒ 2 + y + z – z = 8 ⇒ y + 0 = 8 – 2 ⇒ y = 6.

Now substitute x and y values in (2)

(2) ⇒ 4(2 – z) – 4(6) – 5z = - 7 ⇒ 8 – 4z – 24 – 5z = -7 ⇒ -9z – 16 = -7 ⇒ 9z = 7 – 16 ⇒ 9z = -9 ⇒ z = -1

Now substitute z value in (3)

(3) ⇒ x – 1 = 2 ⇒ x = 2 + 1 ⇒ x = 3

Hence, the solution set of given equations is (3, 6, -1).

4 0
3 years ago
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