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uysha [10]
2 years ago
8

What is the measure of

Mathematics
2 answers:
snow_tiger [21]2 years ago
7 0
3x=90 2x=50
And the last one is 40
enot [183]2 years ago
6 0

Answer:

30

Step-by-step explanation:

because 3 times 30 is 90,and 2 times 30 is 60 plus 30 would be equal to 180

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The square root of a number is between 8 and 9 .Which of these could be that number?
Kay [80]
<u>The answer is C</u>.  This is because the square of 8 is 64 and the square of 9 is 81.  The only number in between those choices is C; 71.

Hope this helps :)

(mind giving me brainliest answer? it helps!)
3 0
3 years ago
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What is the result of subtracting the second equation from the first?<br> -2x+y=0<br> - 7x + 3y = 2
artcher [175]

Answer:

5x - 2y = - 2

Step-by-step explanation:

Given the 2 equations

- 2x + y = 0 → (1)

- 7x + 3y = 2 → (2)

Subtracting (2) from (1) term by term

- 2x - (- 7x) + y - 3y = 0 - 2, that is

- 2x + 7x - 2y = - 2

5x - 2y = - 2

6 0
3 years ago
Given ​ f(x) = x^2 + 14x + 40 ​. Enter the quadratic function in vertex form in the box. f(x)=
finlep [7]
Recall that the vertex form of a quadratic function (or parabolic function) is equal to

f(x) = a(x - h)^{2} + k

Now, given that we have f(x) = x² + 14x + 40, to express f into its vertex form, we must first fill in the expression to form a perfect square.

One concept that we must remember when completing the square is that

(a + b)² = a² + 2ab + b²

So, to complete the square for (x² + 14x + ____), we have 2ab = 14 where a = 1. Thus, b = 14/2 = 7. Hence, the last term of the perfect square must equal to 7² = 49.

So, going back to the function, we have

f(x) = (x^{2} + 14x + 40 + 0)
f(x) = (x^{2} + 14x + 40 + 49 - 49)
f(x) = (x^{2} + 14x + 49) + 40 - 49
f(x) = (x + 7)^{2} - 9

Thus, we have derived the vertex form of the function. 

Answer: f(x) = (x + 7)² - 9
6 0
2 years ago
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Find the volume of prism
soldier1979 [14.2K]

Answer: 343 ft^3

Step-by-step explanation:

To find the volume of a cube, the one side length is raised to the power of three whihc comes to 343 ft^3

8 0
2 years ago
Price-club sells a 12-ounce package of spaghetti noodles for $3.44 and Shop Mart sells a 2-pound box of spaghetti
cricket20 [7]

Answer:

Price-Club: $0.28

Shop Mart:  $4.17

-------------------------------------------

all you have to do is divide 3.44÷12= $0.28 and 8.35÷2=$4.17

Hope I helped you out :)

7 0
2 years ago
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