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3 years ago

Help asap will be marked BRAINIEST

Mathematics

2 answers:

ratelena [41]3 years ago

7 0

Answer:

∠BAC = 75°

Step-by-step explanation:

just subtract angle BAD from angle CAD

Savatey [412]3 years ago

3 0

BAC=75

Just subtract angle BAD From Angle CAD

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WILL HEART AND GIVE BRAINLIEST!! <br> PLS ANSWER QUICKLY!

exis [7]

Answer:

Step-by-step explanation:

Trust me

4 0

3 years ago

What are the zeros of the quadratic function f(x) = 2x2 + 8x – 3? x = –2 – StartRoot StartFraction 11 Over 2 EndFraction EndRoot

Phantasy [73]

Answer:

The zeros are

$x=-2+\frac{\sqrt{22}}{2}$

$x=-2-\frac{\sqrt{22}}{2}$

Step-by-step explanation:

we have

$f(x)=2x^{2}+8x-3$

we know that

The formula to solve a quadratic equation of the form

$ax^{2} +bx+c=0$

is equal to

$x=\frac{-b\pm\sqrt{b^{2}-4ac}} {2a}$

in this problem we have

Equate the function to zero

$2x^{2} +8x-3=0$

$a=2\\b=8\\c=-3$

substitute in the formula

$x=\frac{-8\pm\sqrt{8^{2}-4(2)(-3)}} {2(2)}$

$x=\frac{-8\pm\sqrt{88}} {4}$

$x=\frac{-8\pm2\sqrt{22}} {4}$

$x=-2\pm\frac{\sqrt{22}}{2}$

therefore

$x=-2+\frac{\sqrt{22}}{2}$

$x=-2-\frac{\sqrt{22}}{2}$

4 0

4 years ago

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Anyone know how to do 5c???? Please help!!!!!

nignag [31]

Answer:

71° F

Step-by-step explanation:

Consider the rational part of f(t)

$\frac{40t^3}{t^3+100}$ ( divide numerator and denominator by t³

= $\frac{40}{1+\frac{100}{t^3} }$

As t → infinity then $\frac{100}{t^3}$ → 0 , the expression simplifies to

$\frac{40}{1+0}$ = $\frac{40}{1}$ = 40

Thus after driving for a long time

f(t) = 31 + 40 = 71° F

8 0

3 years ago

Over the summer, Gabriela read 10 times as

sukhopar [10]

Answer:

i’m pretty sure it’s 6,039

Step-by-step explanation:

12,078 divided by 2

4 0

1 year ago

Whats 1/2 ÷ 2/3 and i need it simplyified if needed

MariettaO [177]

Answer:3/4

Step-by-step explanation:

8 0

3 years ago

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