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3 years ago

Find the values of the missing arc Show step by step !

Mathematics

1 answer:

Olenka [21]3 years ago

7 0

Answer:

arc QS = 95°

Step-by-step explanation:

the inscribed angle QSR is half the measure of its intercepted arc RQ , then

arc RQ = 2 × 95° = 190°

the sum of the arcs in a circle = 360° , then

arc QS = 360° - arc SR - arc RQ = 360° - 75° - 190° = 95°

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A recipe for oatmeal cookies calls for 2 cups of flour for every 3 cups of oatmeal. How much flour is needed for a big batch of

kaheart [24]

6 cups of flour is needed for a big batch of cookies that uses 9 cups of oatmeal

Step-by-step explanation:

For 3 cups of oatmeal 2 cups of flour is required.

We need to find how much flour is needed for 9 cups of oatmeal.

Solving by using Unitary Method

3 cups of oatmeal require flour = 2 cups

1 cup of oatmeal require flour = $\frac{2}{3}$

9 cups of oatmeal require flour = $\frac{2}{3}*9\\$

= $6$

So, 6 cups of flour is needed for a big batch of cookies that uses 9 cups of oatmeal

Keywords: Word Problems

Learn more about Word Problems at:

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8 0

3 years ago

Y=4x^2+7x vertex form

cricket20 [7]

Use completing the square:

Ex:
$y = x^2 +4x \\ \\ y= x^2 +4x +(\frac{4}{2})^2- (\frac{4}{2})^2 \\ \\ y = (x^2 +4x+4) - 4 \\ \\ y = (x+2)^2 - 4$

Now apply to your problem.
First factor out the '4' in front of the 'x^2' term
$y = 4(x^2 + \frac{7}{4}x)$
Apply completing the square:
$y = 4(x^2 + \frac{7}{4}x +(\frac{7/4}{2})^2 -(\frac{7/4}{2})^2) \\ \\ y = 4[(x^2 + \frac{7}{4}x+\frac{49}{64}) - \frac{49}{64} ] \\ \\ y = 4(x + \frac{7}{8})^2 - \frac{49}{16}$

5 0

3 years ago

the factors of x²+kx+8 are(x+a)(x+b), where a and b are integers. show that there are two possible values of k

Sladkaya [172]

I hope this helps you

x.x+x.b+x.a+a.b

x^2+(b+a).x+a.b

a.b=8

a=1 b=8

a+b=k

k=1+8=9

a=2 b=4

k=2+4=6

a= -1 b= -8

k= -1-8=-9

a= -2 b= -4

k= -2-4=-6

7 0

3 years ago

Pretty please help me with answering with the right answer? 100 points will be given and brainliest! NO LINKS

Pavlova-9 [17]

Answer:

last and second answer

Step-by-step explanation:

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3 years ago

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Pedro, Pablo, Paco y Daniel van a una fiesta de cumpleaños, en la fiesta pueden tomar refresco, zumo o limonada.

Trava [24]

Answer:

Step-by-step explanation:

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2 years ago