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3 years ago

2.

Mathematics

1 answer:

Mkey [24]3 years ago

4 0

Answer:

Step-by-step explanation:

Because it occurs the most frequently in the given data set

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If 20% of some value is 400, what is the value and does that value represent the part or the whole?

allsm [11]

1. Observe problem

2. Crossout way

A is not

B is not

C is not

D is

<h2><u><em>So, D is the Answer</em></u></h2>

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2 years ago

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Can anybody help me???

marysya [2.9K]

Answer:

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4 years ago

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Help me with the question in the pic please and thank u!

Zepler [3.9K]

Answer:

1.98

Step-by-step explanation:

In this problem, we are:

Given: ∠D = 26°, Hypotenuse (DF) = 4.5

To solve: EF

Now through the given, we are to focus on point D to solve for EF.

We need to find the relationship of point D to DF and EF.

The relationship here is sine.

Reason: $\frac{opposite}{hypotenuse}$

Through point D, DF is the hypotenuse and EF is the opposite side.

So let's solve this simply through algebra,

sin = $\frac{opposite}{hypotenuse}$

sin(26°) = $\frac{EF}{4.5}$

0.44 = $\frac{EF}{4.5}$

0.44 × 4.5 = EF

1.98 = EF

7 0

4 years ago

Help help help help help

Nesterboy [21]

Answer:

$b = \sqrt{65}$

Step-by-step explanation:

${b}^{2} + {4}^{2} = {9}^{2} \\ {b}^{2} + 16 = 81 \\ {b}^{2} = 81 - 16 \\ {b}^{2} = 65 \\ b = \sqrt{65}$

I hope I helped you^_^

8 0

3 years ago

Question is show below.

WITCHER [35]

(1/4ab)^-2

Remove negative exponent by rewritten the equation as (4ab)^2

AUse Product rule to get:

4^2a^2b^2

Now raise 4 to the second power to get:

16a^2b^2

The last answer is correct.

7 0

3 years ago