I really need help QUICK!!!

Answer:

0.0107526882

=0.011

Step-by-step explanation:

I hope it helps you.

The value of  sin (90° - 9) is 11/15, Option A is correct.

Trigonometry is a branch of mathematics that studies relationships between side lengths and angles of triangles.

Using the trigonometric identity sin(90° - θ) = cos(θ), we have:

sin(90° - 9) = cos(9)

To evaluate cos(9) in degrees,

cos(θ) = cos(π/2 - θ)

Substituting θ = 9 degrees, we get:

cos(9) = cos(π/2 - 9°)

Using radians, π/2 - 9° = 1.4661

cos(9) = 0.9781

Therefore, sin(90° - 9) = 0.9781, which is equivalent to 11/15 when simplified.

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Answer:

(x−9)(x−8)

Step-by-step explanation:

Consider the form

x2+bx+c. Find a pair of integers whose product is

c and whose sum is b

. In this case, whose product is 72

and whose sum is −17.−9,−8

Write the factored form using these integers.(x−9)(x−8)

Answer:

1 is 25% of 4

25 x 4 = 100

1 x 4 = 4

Answer:

Step-by-step explanation:

Answer:

[tex]x=\sqrt{10^{2}-y^{2}}[/tex]

Step-by-step explanation:

[tex]x^{2} +y^{2} =10^{2} \\x^{2} =10^{2}-y^{2}\\x=\sqrt{10^{2}-y^{2}}[/tex]

Answer:

15a² + 21a + 19 = 0

Step-by-step explanation:

Given

(4a + 3)² = (a + 5)(a - 2)

(4a + 3)(4a + 3) = (a + 5)(a - 2 ) ← expand both sides using FOIL

16a² + 24a + 9 = a² + 3a - 10 ( subtract a² + 3a - 10 from both sides )

16a² - a² + 24a - 3a + 9 + 10 = 0 ← collect like terms

15a² + 21a + 19 = 0

Answer:

b

Step-by-step explanation:

Answer:

B.

Step-by-step explanation:

One way you could figure out if a graph is a function is by doing the vertical line test:

Put a vertical line across every x value, if there is more than one point within one of the lines, it is not a function.

Answer:

20

Step-by-step explanation:

2 1/2 = 5/2

5/2 x 4/1 = 20/1 = 20

(We are dividing fraction)

(keep change flip)

Answer:

180/4 = x/12

Step-by-step explanation:

Answer:

8

Step-by-step explanation:

you want to set it up like this

8/20   and   6/2x-1

then you cross multiply

so 8(2x-1)  = 16x-8

and 20*6 = 120

then you do 120= 16x-8

add 8 to both sides   (you want x by it's self so to get rid of a -8 you have to add 8)

128= 16x  

(divide both sides by 16)

128/16= 8

8=x

Answer:

what they said↑↑↑

Step-by-step explanation:

Answer:

5/12

Step-by-step explanation:

Hello, I am no math expert so take this with a grain of salt. Tan=Opposite/Adjacent. Side ON is opposite and side MN is Adjacent. This would mean that the ration would be 5/12. I hope that helped!

Answer:

Since 5 is in most of the answers, I´m guessing that 5 is the length of the short leg. The answer is C

Step-by-step explanation:

In SohCahToa, Sine, Cos, and Tan all have a formula. Since your looking for tan, you would find the sides that are opposite and adjacent to the hypotenuse. And since tan is opposite over adjacent, it would be 5 over 12.

Sine=Opposite over Hypotenuse

Cos=Adjacent over Hypotenuse

Tan=Opposite over Adjacent

Answer:

1. 90      2. 130       3. 55

Step-by-step explanation:

Every triangle when you add all the angles will = 180 degrees for this you add the 2 angles that you have and subtract it from 180

1.   35+55+ C = 180

90 = 180

C = 90

2. 25+25+C = 180

50 + C = 180

C = 130

3. 62 + 63 + C = 180

125 + C = 180

C = 55

Answer:

Step-by-step explanation:

sum of all the angles of triangle = 180

1) ∠1 + ∠2 + ∠3 = 180

35 + 55 + ∠3 = 180

90 + ∠3 = 180

       ∠3 = 180 -90

            ∠3 = 90

If one angle is 90, then, it is a right angled triangle.

2) 25 + 25+ ∠3 =180

        50 + ∠3 =180

             ∠3 =180 -50

       ∠3 = 130

If two angles are equal, then it is an isosceles triangle.

3) 62 + 63 + ∠3 =180

             125 +∠3=180

                     ∠3 = 180-125

                     ∠3 = 55

All the angles are different, so it is a scalene triangle

Answer:

don´t

Step-by-step explanation:

in most cases of su1cide it has been proven that most who attempt (usually by hanging) regret doing that as they struggle to survive. you may not see value in your life currently, but there is always hope in the future. find someone you trust and talk to them. it never hurts to do that and could really help you :)

Answer:

[tex]\huge \colorbox{blue}{B}[/tex]

Step-by-step explanation:

we are given the formula,Mass and volume

to find density we just need to substitute the value of mass and value and simplify it

[tex] \sf substitute \: the \: value \: of \: mass \: and \: volume : [/tex]

[tex] \quad \: \sf \dfrac{7.0 \times {10}^{24} \: kg }{3.5 \times {10}^{12} \: {km}^{3} } [/tex]

now we will use [tex]\dfrac{x^m}{x^n}=x^{m-n}[/tex] to simplify division

[tex] \sf simplify \: division : \\ \quad \: \sf 2 \times {10}^{24 - 12} \times \frac{kg}{ {km}^{3} } \\ \quad \tt 2 \times {10}^{12} \frac{kg}{ {km}^{3} } [/tex]

hence, our choice is [tex]B[/tex]

___________________________________

[tex]\huge\underline{\tt{\red{Formula:}}}[/tex]

[tex]\quad\quad\quad\quad\tt{density = \frac{mass}{volume} }[/tex]

[tex]\huge\underline{\tt{\red{Solution:}}}[/tex]

[tex]\quad\quad\quad\quad\tt{density = \frac{7.0 \times {10}^{24} \: kg}{3.5 \times {10}^{12} \: k {m}^{3} } }[/tex]

[tex]\quad\quad\quad\quad\tt{density = (\frac{7.0}{3.5 } = 2.0)}[/tex]

[tex]\quad\quad\quad\quad\tt{\:\:and\:\:({10}^{24 -12})}[/tex]

[tex]\quad\quad\quad\quad \boxed{\tt{density = 2.0 \times {10}^{12} \: \frac{kg}{k {m}^{3} }} }[/tex]

[tex]\huge\underline{\tt{\red{Answer:}}}[/tex]

[tex]\quad\quad \underline{\boxed{\tt{ \red{B.) \: \: 2.0 \times {10}^{12} \: \frac{kg}{k {m}^{3} }}}} }[/tex]

[tex]\huge\underline{\tt{\red{Explanation:}}}[/tex]

Given that the formula for density is equal to mass all over the volume.

We use this formula:

[tex]\boxed{\tt{density = \frac{mass}{volume} }}[/tex].

We substitute it like this:

[tex]\boxed{\tt{density = \frac{7.0 \times {10}^{24} \: kg}{3.5 \times {10}^{12} \: k {m}^{3} } }}[/tex]

Then, hence we got:

[tex]\boxed{\tt{density = 2.0 \times {10}^{12} \: \frac{kg}{k {m}^{3} }} }[/tex]

___________________________________

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✍︎ C.Rose❀

The decimal point in 6.8 is moved two places to the right. Option D is correct.

Decimal value is defined as showing the place value of the digits in a decimal number. If any proportion of the digit is lower than 1 it would be represented after the dot right to the absolute value,

Here,

Given expression,
= 6.8 × 100
= 6800.00

Thus, the decimal point in 6.8 is moved two places to the right. Option D is correct.

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Answer:

Large Number: 41

Small Number: 20

Step-by-step explanation:

Answer:

17 sq cm

Step-by-step explanation:

i used the formula, A = 1/2h(sum of bases)

A = 1/2(4)(3+5.5)

A = 2(8.5)

A = 17 square cm

Answer:

I hope that help

Step-by-step explanation:

Any point on a two-dimensional graph can be represented by two ... For example, the point (2, 3) is two units to the right of the y-axis and three units ... and (x2, y2), you can define the exponential function that passes through these points by substituting them in the equation y = abx and solving for a and b.

Answer:

Y = 6

Step-by-step explanation:

Rearrange terms

4+ =10

+ 4 = 10

Subtract 4  from both sides of the equation:

+ 4 =10

+ 4 −4 = 10 − 4

Simplify: Subtract Numbers:

Solutions is y= 6

Answer:480

Step-by-step explanation:

12,000 Divided by 25 = 480

Answer:

Step-by-step explanation:

1. 2

2. 1/4

3. 3

4. 5

5. 3/2

6. -6

7. -3

Answer:

A or b not to sure

Step-by-step explanation:

Answer: 50 degrees

Step-by-step explanation:

The exterior is the sum of the interior remote angles.