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pashok25 [27]
2 years ago
15

What is the simplified form of 114? A. i B. -1 C. 1 D. -1

Mathematics
2 answers:
Ahat [919]2 years ago
7 0
D. -1 trust me this the answer
Artemon [7]2 years ago
4 0
-1 i’m pretty sure this is the answer
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In triangleABC, angle B= 90 degrees, cos(C)=15/17 and AB = 16 what is the measure of Angle A, Angle C and angle AC
Sergeeva-Olga [200]

Answer:

m∠C=28°, m∠A=62°, AC=34.1 units

Step-by-step explanation:

Given In ΔABC, m∠B = 90°, , and AB = 16 units. we have to find m∠A, m∠C, and AC.

As,  cos(C)={15}/{17}

⇒ angle C=cos^{-1}(\frac{15}{17})=28.07^{\circ}\sim28^{\circ}

By angle sum property of triangle,

m∠A+m∠B+m∠C=180°

⇒ m∠A+90°+28°=180°

⇒ m∠A=62°

Now, we have to find the length of AC

sin 28^{\circ}=\frac{AB}{AC}

⇒ AC=\frac{16}{sin 28^{\circ}}=34.1units

The length of AC is 34.1 units

3 0
3 years ago
Five twelfths ot the participants at a conference brought laptop computers with them
elena-14-01-66 [18.8K]

The number of participants with laptop is 115 and without laptop is 161

<u>Step-by-step explanation:</u>

Total number of participants= 276

Participants with laptop = (5/12) 276

= 115

Participants without laptop= 276 - 115

= 161

5 0
3 years ago
The lateral surface area of a cylinder is given by the formula S= 2πrh. Solve the equation for r.
alukav5142 [94]

Answer:

Well, with the info I have been given I would say; The L.A of a cylinder is SA+=2(pi)(r)(h).

Step-by-step explanation:

SA=Surface Area

LA=Lateral Area

Pi=3.14

R=Radius

H=Height

V=Volume

LA=2*pi*r*h <-- finds the Lateral Area of a cylinder

SA=LA+2*base or SA=2*pi*r*h+2*pi*r^2<-- finds the Surface Area of a cylinder

V=pi*r^2*h<---- Finds volume of the cylinder

8 0
3 years ago
CAN SOMEONE PLEASE HELP ME WITH THIS ILL GIVE YOU BRAINLY IF YOU GET IT RIGHT ALSO PLEASE EXPLAIN HOW YOU GOT THE ANSWER!!!!
Mars2501 [29]
D. 1/3 i think haha lol
4 0
2 years ago
Write an equation in point-slope form of the line through point J(4, 2) with slope 3.
fiasKO [112]
Point slope form is:

y − y_{1} = m(x − x_{1})

Where x_{1} and y_{1} are two known coordinates and m is the slope.

Substitute (4,2) as x and y and 3 as m to find the point-slope form.

<span>y − 2 = 3(x − 4)
</span>
Taking it to the next step would be to turn this into slope-intercept form, y=mx+b

<span>y − 2 = 3(x − 4)
y</span> − 2 = 3x − 12
y = 3x − 10
7 0
2 years ago
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