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4 years ago

(66 x 10) - (9.9 x 104)

2 answers:

7 0

Simply whats in the parenthesis first. Your equation will now look like this:
(660)-(1029.6)

Simply.
369.6

369.6 should be your answer

Sidana [21]4 years ago

3 0

66x10=660

9.9x104=1029.6

660-1029.6=-369.6

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Given: △FKL, FK=a

LuckyWell [14K]

Answer:

$FL= \frac{a (\sqrt{3} + 1)}{\sqrt{2} }$

Step-by-step explanation:

As given in figure 1 below:

FK = a, m∠F = 45° and m∠L = 30°

Construction: Draw an altitude KE from point K on FL.

Now, In ΔFEK,

FE = EK (Sides opposite to equal angles of a triangle)

Let FE = EK = x

Now, using pythagoras In ΔFEK,

$(FK)^{2} = (FE)^{2} + (KE)^{2}$

$(a)^{2} = (x)^{2} + (x)^{2}$

$(a)^{2} = 2x^{2}$

$x = \sqrt \frac{a^{2} }{2} = \frac{a}{\sqrt{2} }$

∴ FE = EK = $\frac{a}{\sqrt{2} }$

Now in ΔEKL, EK = $\frac{a}{\sqrt{2} }$

Using trigonometry ratio,

TanФ = Altitude\ Base

$Tan \theta = \frac{KE}{EL}$

Tan 30° = $\frac{a/\sqrt{2} }{EL}$

$\frac{1}{\sqrt{3} } = \frac{a}{\sqrt{2} EL}$

$EL = \frac{\sqrt{3}a}{\sqrt{2} }$

Now FL = FE + EL

FE = $\frac{a}{\sqrt{2} }$ and $EL = \frac{\sqrt{3}a}{\sqrt{2} }$

∴ $FL = \frac{a}{\sqrt{2} } + \frac{\sqrt{3}a }{\sqrt{2} } = \frac{a (\sqrt{3} + 1)}{\sqrt{2} }$

4 0

4 years ago

What the range of 38,73,28,36,80,50

algol13

The range is the difference between the highest and lowest numbers in the given set of numbers.

Highest number= 80
Lowest number= 28

Range
= 80 - 28
= 52

ANSWER: The range is 52.

Hope this helps! :)

3 0

4 years ago

2y-11=25 solve the equation

zimovet [89]

Answer:

Step-by-step explanation:

25 + 11 = 36

36/2 = 18

hope this helps

3 0

3 years ago

Match the questions with the correct answers about the given box plot below

tatuchka [14]

Answer:

1. D

2. E

3. B

4. C

5. A

5. F

Step-by-step explanation:

The median can be found at the line inside of the box, the heaviest weight would be found at the right end of the line, and the smallest weight would be found at the left, the interquartile range is the difference of one end of the box to the other, and the range is the difference of the largest number of the entire diagram, from the smallest number.

Hope this helps you!

8 0

3 years ago

Read 2 more answers

Henry says that his set of numbers includes all integers. Iliana argues that he is wrong.

Rudiy27

B. Iliana is correct because Henry included a fraction. Fractions are not integers.

5 0

3 years ago

Read 2 more answers