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natta225 [31]
3 years ago
15

Evaluate 2a + 4b if a = 10 and b = 6

Mathematics
2 answers:
iris [78.8K]3 years ago
8 0

Answer:

44

Step-by-step explanation:

Jet001 [13]3 years ago
7 0

Answer:44

Step-by-step explanation:

2(10)+4(6)

20+24

=44

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Find the value of x show your work
Ksivusya [100]

Answer:

x≈13.08

Step-by-step explanation:

We use the pythagora's theorem

a^{2} +b^2=c^2\\a=5\\b=x\\c=14\\5^2+x^2=14^2\\x^2=196-25\\x^2=171\\x=3\sqrt{19} =13.08

4 0
3 years ago
Express this number in scientific notation 763 thousandths
yan [13]
It would be 763 x 10^-4
3 0
3 years ago
Find x the missing side length of the triangle
Scilla [17]

Answer:

16.6

Step-by-step explanation:

a = 14

b = 9

c = x

a² + b² = c²

14² + 9² = x²

196 + 81 = x²

x² = 277

\sqrt{x^2} =\sqrt{277}

x = 16.6

3 0
3 years ago
A drone has an effective range represented by a circle on a coordinate plane. The points (–12, 3) and (–6, –5) are endpoints of
Mrac [35]

Answer:

(x+9)^2 + (y+1)^2 = 100

Step-by-step explanation:

Since the question says diameter, we know the boundary in a circle. Therefore, we just need to find the center and radius.

The center is the midpoint of the two endpoints on a diameter.

Here, it is (-9, -1).

Therefore, the left part of the equation is (x- -9)^2 + (y - -1)^2 = (x+9)^2 + (y+1)^2.

The radius: sqrt(8^2 + 6^2) = 10

So the equation is (x+9)^2 + (y+1)^2 = 100

3 0
3 years ago
Read 2 more answers
The number 85 is decreased to 83. What is the percentage by which the
Readme [11.4K]

Answer:

~ 2.3%

Step-by-step explanation:

A percentage is a amount divided by the total.

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That makes around 0.023.

That multiplied by 100 is 2.3 and that makes the percentage.

So yeah.

5 0
3 years ago
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