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Reil [10]
3 years ago
13

Please find the value of z. A. 50 degrees B. 90 degrees C. 45 degrees D. 75 degrees

Mathematics
2 answers:
Lisa [10]3 years ago
8 0

Answer:

45° is the value of z in whatever that is

Ivan3 years ago
6 0

Answer:

its 45 degrees

Step-by-step explanation:

i don't know what shape that is but the answer is 45 degrees

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Sophie [7]

Answer:

The frequency is how many times you plot it so if for example 4.5 then you would plot 3 dots on top of the 4.5. Makes sense? I hope this helped!

Step-by-step explanation:

5 0
3 years ago
20. Carmen can buy bottles of paint for $2.00 each and boxes of colored pencils for $3.50 each. She can spend no more than
EleoNora [17]

Answer:

(a) The equality that express many bottles of paint, x, and boxes of colored pencils, y, Carmen can buy is  2 x + 3.5 y = 42

b)Three different solutions:

x  = 14, y = 4 is First Solution.

x  = 7, y = 8 is Second Solution.

x  = 21, y = 0 is Third Solution.

Step-by-step explanation:

Here, the cost of 1 bottle of paint = $2.00 each

The cost of 1 box of colored pencils  = $3.5 each

Let us assume the number of bottle of paints purchased = x

So, the cost of x bottle of paints   = x ( Cost of 1 bottle of paint)

= x ($2.00)  = 2 x

Also, assume the number of box of colored pencils purchased = y

So, the cost of y box of colored pencils = y ( Cost of 1 box)

= y ($3.50)  = 3.5 y

Also, the total amount to be spent on art supplies  = $42

So, the total amount spent on x paint bottles + y box of colored pencil

= $42

or,  2 x + 3.5 y = 42

a ) So, the equality that express many bottles of paint, x, and boxes of colored pencils, y, Carmen can buy is  2 x + 3.5 y = 42

b)Three different solutions:

When y = 4 ,  equation is:   2 x + 3.5(4)  = 42

or,  2 x = 42 - 14  = 28, or x = 28/2  =  14

So, x  = 14, y = 4 is First Solution.

When y = 8 ,  equation is:   2 x + 3.5(8)  = 42

or,  2 x = 42 - 28  = 14, or x = 14/2  =  7

So, x  = 7, y = 8 is Second Solution.

When y = 0 ,  equation is:   2 x + 3.5(0)  = 42

or,  2 x = 42 , or x = 42/2  = 21

So, x  = 21, y = 0 is Third Solution.

7 0
3 years ago
Solve the equation: x^2+3x-7=0 give your answer to 2 decimal places
dusya [7]

Answer:

too hard for my little brain so bye

5 0
2 years ago
Find the exact value by using a half angle identity.tan 75°
kramer

The trigonometric function is given as

\tan 75^{\circ}

Apply the half angle identity to find the value of tan 75 ,

\tan (\frac{u}{2})=\frac{\sin u}{1+\cos u}

Here,

\tan (\frac{150^{\circ}}{2})=\frac{\sin150^{\circ}}{1+cos150^{\circ}}\tan (75^{\circ})=\frac{\frac{1}{2}}{1-\frac{\sqrt[]{3}}{2}}=\frac{\frac{1}{2}}{\frac{2-\sqrt[]{3}}{2}}^{}\tan 75^{\circ}=\frac{1}{2-\sqrt[]{3}}

Now rationalize the function.

\tan 75^{\circ}=\frac{1}{2-\sqrt[]{3}}\times\frac{2+\sqrt[]{3}}{2+\sqrt[]{3}}=\frac{2+\sqrt[]{3}}{4-3}=\frac{2+\sqrt[]{3}}{1}

Again simplify the trigonometric function,

\tan 75^{\circ}=2+1.732=3.732

Hence the answer is 3.732.

5 0
1 year ago
If sin 15° =x and sin 75° =y then which one of the following correct
vaieri [72.5K]

Answer:

tan 75 =x/you is the my answer

7 0
3 years ago
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