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2 years ago

Y≥−2x−8 What is the answer?

Mathematics

1 answer:

Crank2 years ago

5 0

Answer: Here Take a Look.

Resources I Used: Mhway and or Browsing List.

(I Do Claim To Own Any Of This Information Provided For More Resources and Results Consult a Math Tutor Or ask me for Help Id be Happy To With Anything at Any Time. Product of 2022 Distribution)

Step-by-step explanation:

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A company tests all new brands of golf balls to ensure that they meet certain specifications. One test conducted is intended to

docker41 [41]

Answer:

385 golf balls

Step-by-step explanation:

margin of error = (z*)(s) / sqrt n

where z* = 1.96 with 5%/ 2 = 0.025 area in each tail

margin of error = (z*)(s) / sqrt n

1.2 yards = (1.96)(12 yards) / sqrt n

solve for n

n = 384.16

385 golf balls (always round up)

3 0

3 years ago

Loveland Colorado, is 18 km due south of Fort Collins and 31 km due west of Greeley, What is the distance between Fort Collins a

GalinKa [24]

Answer: The distance between Fort Collins and Greeley is 35.84 km.

Step-by-step explanation:

Since we have given that

Distance travelled due south of Fort Collins = 18 km

Distance traveled due west of Greeley = 31 km

So, using the pythagorous theorem, we will find the distance between Fort Collins and Greeley.

So, it becomes,

$H^2=B^2+P^2\\\\H^2=18^2+31^2\\\\H^2=324+961\\\\H^2=1285\\\\H=\sqrt{1285}\\\\H=35.84\ km\\\\$

So, the distance between Fort Collins and Greeley is 35.84 km.

8 0

3 years ago

Elmer has a collection of 30 fossils. Of these, 21% percent are fossilized snail shells. How many fossilized snail shells does E

postnew [5]

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6 0

2 years ago

A box of nails weighs 3.25 kilograms. How many kilograms will 3.5 boxes weigh?

jarptica [38.1K]

B is the answer I think

8 0

3 years ago

Verify tan(α+β) = [tan(α)+tan(β)] / [1 + tan(α)tan(β)]

mr Goodwill [35]

Answer:

Proved

Step-by-step explanation:

To Prove: $tan(\alpha+\beta) =\dfrac{tan(\alpha)+tan(\beta)}{1 + tan(\alpha)tan(\beta)}$

Proof:

Now: $tan \theta =\dfrac{sin\theta }{cos \theta}$

Therefore:

$tan (\alpha+\beta)=\dfrac{ sin (\alpha+\beta)}{cos (\alpha+\beta) }$

Applying these angle sum formula

$sin (\alpha+\beta)=sin \alpha cos \alpha + sin \beta cos \beta\\cos (\alpha+\beta)=cos \alpha cos \beta - sin \alpha sin \beta$

$tan (\alpha+\beta)=\dfrac{ sin \alpha cos \alpha + sin \beta cos \beta}{cos \alpha cos \beta - sin \alpha sin \beta }$

Divide all through by $cos \alpha cos \beta$

$tan (\alpha+\beta)=\dfrac{ (sin \alpha cos \alpha)/(cos \alpha cos \beta) + (sin \beta cos \beta)/(cos \alpha cos \beta)}{(cos \alpha cos \beta)/(cos \alpha cos \beta) - (sin \alpha sin \beta)/(cos \alpha cos \beta) }\\\\tan (\alpha+\beta)=\dfrac{\frac{sin \alpha}{cos \alpha}+\frac{sin \beta}{cos \beta} }{1-tan \alpha tan \beta} \\$Therefore:\\\\tan (\alpha+\beta)=\dfrac{tan \alpha+tan \beta}{1-tan \alpha tan \beta}$

=sin \alpha cos \beta + cos \alpha sin \beta/cos \alpha cos \beta/cos \alpha cos \beta- sin \alpha sin \beta/cos \alpha cos \beta

=sin \alpha/cos \alpha + sin \beta/cos \beta/1-tan \alpha tan \beta

=tan A + tan B/1-tan A tan B

5 0

3 years ago