AvelineL99695 AvelineL99695

25-10-2022
Mathematics

contestada

What is the value of x to the nearest tenth?A.25.7B.43.2C.88.8D.89.7

What is the value of x to the nearest tenthA257B432C888D897 class=

Respuesta :

AlyricaQ48402 AlyricaQ48402

25-10-2022

[tex]\begin{gathered} 70^2=52^2+48^2-2\cdot52\cdot48\cdot\cos x\rightarrow \\ 4900=5008-4992\cdot\cos x\rightarrow\cos x=\frac{4900-5008}{-4992}=\frac{108}{4992} \\ x=\arccos \frac{108}{4992}=88.8 \end{gathered}[/tex]

Answer Link

Otras preguntas

Pls Help! Function g is a transformation of the parent exponential function. Which statements are true about function g? ( Multiple Select ) 1. The range of F

Question Content Area Project A requires an original investment of $54,800. The project will yield cash flows of $15,600 per year for 4 years. Project B has a c

Nuclear power stations use the nuclear energy stored in nuclear fuel to increase the temperature of water. Which of the water's energy stores increases?

11 The following is the Trial Balance of Mr. Gopal as on 31.3.2009 Dr. () Particulars Drawings and Capital L Debtors and Creditors AL 16% Loan (taken on 1-7-200

The senior class at Capital High School and Nitro High School planned separate trips to Yellowstone National Park. The senior class at Capital rented and filled

On a Big-Dipper ride at a funfair, the height y metres of a carriage above the ground t seconds after the start is given by the formula y = 0.5t^2 - 3t+5. Betwe

Need help with these asap please

Given Cosa=b-3 and a€(-60°,60°). Find the interval of b assume euro sign represents "an element of" sign The answer is b€(3.5; 4] need solution steps

Approximate the area under the function between a and b using a right-hand sum with the given number of intervals. f(x) = x^2 + 2 a = 0 b = 10 5 intervals

Evaluate the following value without using tables (1) Find sin0 and cos0 , if tan0=1/3 , 0 does not belong to set [0,pi/2] . (2) Find sin20 , if sin0+cos0=1/2