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3 years ago

Can you help out on this please

Mathematics

1 answer:

kari74 [83]3 years ago

4 0

Answer:

Step-by-step explanation:

Given

9² × ( $\frac{1}{3}$ )² - 9

= 81 × $\frac{1}{9}$ - 9 ← cancel 81 and 9 by 9 leaving

= 9 - 9

= 0 → B

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Which ordered pair is a solution of the equation?<br> -x- 4y = -10

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3 years ago

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Find the area of the shaded region round to the nearest tenth

Alenkinab [10]

Answer: 818.4

Step-by-step explanation:

Using the area of a sector formula, we get the area of the entire sector is $(\pi)(27.8^{2})\left(\frac{150}{360} \right)$ .

Using the formula $A=\frac{1}{2} ab \sin C$ , we get the area of the triangle is $\frac{1}{2}(27.8)(27.8)(\sin 150^{\circ})$ .

So, the area of the shaded sector is $(\pi)(27.8^{2})\left(\frac{150}{360} \right)-\frac{1}{2}(27.8)(27.8)(\sin 150^{\circ}) \approx \boxed{818.4}$

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2 years ago

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miskamm [114]

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3 years ago

18.4 + 8w = 6 (9w - 4.6)

svp [43]

Answer:

Step-by-step explanation:

18.4 + 8w = 6(-4.6 + 9w)

18.4 + 8w = (-4.6 * 6 + 9w * 6)

18.4 + 8w = (-27.6 + 54w)

18.4 + 8w + -54w = -27.6 + 54w + -54w

18.4 + -46w = -27.6 + 54w + -54w

18.4 + -18.4 + -46w = -27.6 + -18.4

Combine like terms: 18.4 + -18.4 = 0.0

0.0 + -46w = -27.6 + -18.4

-46w = -27.6 + -18.4

-27.6 + -18.4 = -46

-46w = -46

w = 1

Simplifying

w = 1

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3 years ago

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Please help other people are saying different answers and I 'm confused

Montano1993 [528]

Answer:

x ≈ 35.6

Step-by-step explanation:

Using the cosine ratio in the right triangle

cos16° = $\frac{adjacent}{hypotenuse}$ = $\frac{x}{37}$ ( multiply both sides by 37 )

37 × cos16° = x , then

x ≈ 35.6 ( to the nearest tenth )

7 0

3 years ago

Can you help out on this please​

Can you help out on this please