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Contact [7]
3 years ago
7

Need help with this math problem

Mathematics
1 answer:
Paha777 [63]3 years ago
8 0
Yes? I may be able to help
You might be interested in
La proporción de empleados de una empresa que usan su auto para ir al trabajo es 5:16. Si hay un total de 800 empleados, diga la
worty [1.4K]

Answer:

250 coches

Step-by-step explanation:

Tenemos la siguiente información de la pregunta;

Proporción de empleados que vienen a trabajar con sus coches = 5/16

Número total de empleados = 800

Por lo tanto, número total de automóviles esperado = proporción de empleados que vienen a trabajar con automóviles * número total de empleados

 número total de coches esperados = 5/16 * 800

 número total de coches esperados = 250 coches

8 0
3 years ago
Joey and his family are taking a road trip. On Monday they travel 68 miles. On Tuesday , they travel 25 miles. On Wednesday they
Stolb23 [73]

Answer:

42 miles

Step-by-step explanation:

so average is found by taking the sum of numbers of all the numbers given, and dividing by the number of numbers

so

68+25+33= 126

126/3=42

they drove an avg of 42 miles

hope this helps

6 0
3 years ago
Find (fog)(x) when f(x)=x^2-7x+12 and g(x)=3/x^2-16
Kazeer [188]

Answer:

f( \frac{3}{ {x}^{2} - 16 } ) =  ({\frac{3}{ {x}^{2} - 16 }})^{2}  - 7(\frac{3}{ {x}^{2} - 16 }) + 12 \\  =  \frac{9}{ {x}^{4} - 32 {x}^{2}  + 256 }  -  \frac{21}{ {x}^{2}  - 16}  + 12

4 0
2 years ago
Solve the equation for principal values of x. Express solutions in degrees.
Hitman42 [59]

Option C:

x = 90°

Solution:

Given equation:

\sin x=1+\cos ^{2} x

<u>To find the degree:</u>

\sin x=1+\cos ^{2} x

Subtract 1 + cos²x from both sides.

\sin x-1-\cos ^{2} x=0

Using the trigonometric identity:\cos ^{2}(x)=1-\sin ^{2}(x)

\sin x-1-\left(1-\sin ^{2}x\right)=0

\sin x-1-1+\sin ^{2}x=0

\sin x-2+\sin ^{2}x=0

\sin ^{2}x+\sin x-2=0

Let sin x = u

u^2+u-2=0

Factor the quadratic equation.

(u+2)(u-1)=0

u + 2 = 0,  u – 1 = 0

u = –2, u = 1

That is sin x = –2, sin x = 1

sin x can't be smaller than –1 for real solutions. So ignore sin x = –2.

sin x = 1

The value of sin is 1 for 90°.

x = 90°.

Option C is the correct answer.

3 0
3 years ago
Read 2 more answers
Please please help i’ll give brainliest tysm :)
Neko [114]

Answer:

C) Between 9 and 13

Step-by-step explanation:

If 40% is 5 gallons, then 20% is 2.5 gallons

If you multiply both by 5, you get 12.5, which is between 9 and 13

Sorry for my weird way of math

3 0
3 years ago
Read 2 more answers
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