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2 years ago

Okay this is what i need help with its kinda easy

Mathematics

1 answer:

lianna [129]2 years ago

3 0

Answer:

B is the answer .......+4+$#88#!$

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The width of a rectangle is 6 inches less than its length , and the area is 40 square inches what arebthe lenght and width of th

DaniilM [7]

Let l and l-6 be the length and width, respectively, of the rectangle. Then:
l(l-6)=40
l²-6l-40=0
(l-10)(l+4)=0
l=10,-4
The rectangle is 10" by 4". ☺☺☺☺

8 0

2 years ago

Give triangle ABC is a right triangle, and angle A is the right angle. If sin(B)=3/5, find the cos(B).

hichkok12 [17]

Answer:

Cos B = 4/5

Step-by-step explanation:

From the question given above, the following data were obtained:

Sine B = 3/5

Cos B =?

Recall:

Sine B = Opposite / Hypothenus

Sine B = 3/5

Therefore,

Opposite = 3

Hypothenus = 5

Next, we shall determine the Adjacent. This can be obtained as follow:

Opposite = 3

Hypothenus = 5

Adjacent =?

Hypo² = Adj² + Opp²

5² = Adj² + 3²

25 = Adj² + 9

Collect like terms

Adj² = 25 – 9

Adj² = 16

Take the square root of both side

Adj = √16

Adjacent = 4

Finally, we shall determine Cos B. This can be obtained as follow:

Hypothenus = 5

Adjacent = 4

Cos B =?

Cos B = Adjacent / Hypothenus

Cos B = 4/5

4 0

2 years ago

Figure ABCD is a parallelogram.

Natalka [10]

Answer:

A: ∠B = 55°; ∠D = 55°

Step-by-step explanation:

On Edg. 2021

5 0

2 years ago

Read 2 more answers

The nurse reported that Tricia's daughter had gained 4.2 pounds

tino4ka555 [31]

31.6-4.2=27.4 at last visit

6 0

2 years ago

Students were surveyed about their wither break plans.Of the people that stated they were going skiing, 25% did not actually go.

Romashka [77]

Answer:

The number of students who actually went for the skiing is 0.75 times the total number of students .

Step-by-step explanation:

Given as :

Students were surveyed about their wither break plans

The percentage of students who did not go for skiing = 25 %

So, The percentage of students who did not go for skiing =100 % - 25 % = 75%

Let The total number of students = x

So, The number of students actually went for the skiing = 75% of the total number of students

I.e The number of students actually went for the skiing = $\frac{75}{100}$ × x

Or, The number of students actually went for the skiing = 0.75× x

∴ The number of students actually went for the skiing = 0.75 x

Hence The number of students who actually went for the skiing is 0.75 times the total number of students . Answer

7 0

3 years ago