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SVETLANKA909090 [29]
2 years ago
7

6.x = 4y2-12 (4y2 here means 4 y squared) Work out the value of x when y = 5

Mathematics
1 answer:
dezoksy [38]2 years ago
5 0

Answer:

88

Step-by-step explanation:

Given

x = 4y² - 12 ← substitute y = 5

x = 4(5)² - 12 = 4(25) - 12 = 100 - 12 = 88

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I don’t really get this question so if anyone knows it please help
Mars2501 [29]

Answer:

116.82\:\text{square inches}

Step-by-step explanation:

The window consists of a large square and 4 smaller triangles on the outside. The side length of this square is marked as 10, and therefore the area of this square is 10^2=100\:\mathrm{in^2}.

The area of a triangle is given by \frac{1}{2}\cdot b\cdot h. Since the problem states that the overlapping squares are congruent, both legs of the triangle will be 2.9 and intersect at a 90^{\circ} angle.

Thus, the sum of all four triangles is \frac{1}{2}\cdot 2.9\cdot 2.9\cdot 4=16.82\:\mathrm{in^2}.

Therefore, the area of the window is:

100+16.82=\boxed{116.82\:\mathrm{in^2}}

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3 years ago
Which angle(s) is Julian describing?
Crank
I’m sorry I can’t help you, i would need more information
6 0
3 years ago
Question 5 of 5
Allisa [31]

Answer:

I would say C not to sure tho

6 0
2 years ago
In 2001, the United States' oil consumption was 7,297.4 millions of barrels, while Japan's was 1,979.4 millions of barrels. How
AleksAgata [21]
The answer would be 5,318,000 more barrels were consumed by the U.S than Japan

5 0
3 years ago
Read 2 more answers
Let f(x) =(x-3) find the domain of x
m_a_m_a [10]

Answer:

all real numbers

Step-by-step explanation:

The domain of a function is the set of values you can set as x to output an answer. Since you can subtract 3 from any real number, the domain of x-3 is all real numbers.

5 0
3 years ago
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