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hjlf
3 years ago
11

3. The equation 4x + 16y = 36 is a true equation for a particular

Mathematics
1 answer:
Kazeer [188]3 years ago
4 0

Answer:

See below.

Step-by-step explanation:

We know that the equation 4x+16y=36 is a true equation for a particular value of x.

Now, let's see what happens if we divide everything by 4. In other words:

\frac{4x+16}{4}=\frac{36}{4}

Divide:

x+4=9

So, we get x+4=9.

When we divided everything by 4, we used the division property of equality. Under this property, the equation remains the same even if we divided since we did the <em>same thing to both sides of the equation. </em>

Therefore, x+4y=9 is also true for the same value of x because it is just a simplified version of 4x+16y=36.

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If the FDIC has an insurance fund of $67. 8 billion and must use 7. 6% of it to cover several failed banks, approximately how mu
Black_prince [1.1K]

The remaining money will be $62. 65 billion

<h3>What will be the remaining fund in FDIC?</h3>

Given amount =$67. 8 billion

Amount used to cover several failed banks = 7.6% of the total amount

So the amount used to cover several failed banks=  \dfrac{67.8\times 7.6}{100}

Amount = 5.1528

So the remaining amount = 67.8-5.15=62.65

Thus the remaining money will be $62. 65 billion

To know more about percentage follow

brainly.com/question/24304697

4 0
2 years ago
The value of y varies directly with x. If x =3, then y=21. What is the value of x when y=105?
Goshia [24]

Answer:

x = 15

Step-by-step explanation:

given that y varies directly with x

mathematically we can express this as

y = k x , where k is a constant

step 1: find k

given x = 3 and y = 21

y = k x

21 = k (3)

k = 7

hence the equation becomes

y = 7 x

when y = 105,

105 = 7x

x = 105 / 7 = 15

3 0
3 years ago
In example 4, the volume of the beach ball is 17,000 cubic inches. Find the radius to the nearest inch. Use 3.14 for pi
blagie [28]

Volume of a sphere formula is: V=4 /3 πr^3

You know v=17000 and pi=3.14

17 000 = 4/3 x 3.14 x r^3

(divide 17 000 by 4/3 x 3.14 ) --> r^3 = 4060.51 (2dp)

(cube root is to get just r) r = 15.95 inches (2dp)

There 15 inches to the nearest inch.

Hope this is correct! :D


7 0
3 years ago
Suppose that 24 inches of wire costs 96 cents.
Alexxx [7]
At the same rate, 31 inches of wire will cost 124 cents.

3 0
2 years ago
Please someone help I’ll give u more points help quick!
Flura [38]
Can you give me more information about it please
7 0
2 years ago
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