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RUDIKE [14]
3 years ago
12

9x^2+ 8x + 3 = 0 solve using quadratic formula

Mathematics
1 answer:
pav-90 [236]3 years ago
3 0
18x + 8x = -3
26x = -3
x = -3/26
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larry ran 220 meters farther that leigh ran. leigh ran 2.3 kilometers. how many kilometers did larry run?
Gala2k [10]
Larry ran 2.52 killometers. Since a meter is 0.001 killometers, you have to do 0.001 x 220 which is 0.22 then do 2.3 + 0.22 and get 2.52.
6 0
3 years ago
NEED HELP WITH THIS MATH ASAP!!
dimaraw [331]

Answer:

25%

Step-by-step explanation:

100% means total amount of people surveyed, which is 300 people total.

We're looking for females who own a blue car, so that's 75 people out of 300.

75/300 = 0.25

Convert the decimal to percent by moving decimal 2 places to the right

Answer is 25%

3 0
2 years ago
What is the least common denominator of 3, x, and x?
sergiy2304 [10]

Answer:

Step-by-step explanation:

LCD

you have 1 x not 2.

Suppose you have

y/3 + 3y/x + 7y / x

Unless there is something different about the question, you need only 1 x. The other one get's absorbed.

Answer: LCM = 3 * x

7 0
1 year ago
Dingane has $8.00, and exactly 30% of that money is from 5-cent coins. how many 5-cent coins does dingane have?
il63 [147K]
Answer=48

30%=0.30

$8.00*0.30=$2.40

Dingane has $2.40 worth of 5-cent coins

$2.40/0.05=48

He has 48 5-cent coins
6 0
3 years ago
Find the equation of the tangent line to the curve y=6sinx at the point (π/6,3
Aloiza [94]
Hello:
f(x) =6sin(x)
f'(x) = 6 cos(x)

the equation of the tangent line is : y=f'(π/6)(x-π/6)+f(<span>π/6)
f'(</span>π/6)=6cos(π/6)=6×(√3/2)=3<span>√3
f(</span>π/6) =3
the equation is :  y = 3√3(x-π/6)+3
6 0
3 years ago
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