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choli [55]
3 years ago
8

If y=5-3 and 3x-y=-1 what is the value of y

Mathematics
2 answers:
gulaghasi [49]3 years ago
8 0

Answer:

2 If you meant x its 1

Step-by-step explanation:

5-3=2 and 1-2=-1

Oksana_A [137]3 years ago
7 0

Answer: The value of y is 2

Step-by-step explanation:

If y=5-3 and 3x-y=-1

Take y=5-3 first

y = 5 - 3

y = 2

Then, take 3x-y=-1, and put y = 2 in the Expression

3x-y=-1

3x - (2) = -1

3x - 2 = -1

3x = -1 + (-2)

3x = -1 -2

3x = -3

To get x, divide both sides by 3

3x/3 = -3/3

x = -1

Thus, the value of y is 2 while x is -1

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B = 4 and c = -5, evaluate b 2 - c 2
NISA [10]

Hey!

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Steps To Solve:

~Substitute

(4)2 - (-5)2

~Multiply

8 - (-10)

~Subtract

18

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Answer:

18

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Hope This Helped! Good Luck!

4 0
3 years ago
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The prime factorization of a number is 32 • 5 • 11. What is<br> the number?
Lyrx [107]
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The area of a triangle is 1,4440 cm^2. The base of the triangle is 5 times the height. What is the height of the triangle?
DochEvi [55]

Answer:

h = 24 cm

Step-by-step explanation:

The formula for area of a triangle is

A = (1/2)bh     where b is the base and h is the height.

We are told that the base is 5 times the height, this translates to

b = 5h, so we can rewrite our formula to

A = (1/2)(5h)(h)  or

A = (1/2)5h²

We are given A = 1,440, so plug that in and solve for h...

1,440 = (1/2)5h²

    2,880 = 5h²    (multiply both sides by 2 to get rid of the fraction)

      576 = h²    (divide both sides by 5 to get the h value by itself)

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3 0
3 years ago
Find the volume of the cone of with a height of 6cm and a diameter of the base or 6cm
Ainat [17]

Answer:

The volume of cone v= 113.04 cm³.

Step-by-step explanation:

Formula used to find volume of cone is:

v= \pi * r^2 * \frac{h}{3}

where r is the radius and h is the height of cone.

In the given question we are given:

height h= 6 cm

diameter d= 6 cm

We know radius r = d/2 = 6/2 = 3 cm

so, volume will be:

v= \pi * 6^2 * \frac{3}{3}

v= \pi * 36

v=113.04

So, the volume of cone v= 113.04 cm³ given height h= 6cm and radius r= 3cm

7 0
3 years ago
Please help me in my Math quiz​
monitta

Answer:

i am not helping you cheat you should now this

Step-by-step explanation:

5 0
3 years ago
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