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ArbitrLikvidat [17]
3 years ago
12

7. Calculate the volume of each item. (11.2)

Mathematics
1 answer:
Nana76 [90]3 years ago
8 0
Formula for volume = length x height x breadth

7a) 13.5 x 3.5 x 11.5 = 543.375

7b) 24 x 10 x 30.5 = 7320
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What is the distance between B to A<br> Please add the method.<br> The angle is 61 (a bit blurry)
deff fn [24]

Answer:

24.03 units (nearest hundredth)

Step-by-step explanation:

The distance between B and A is:  AB = AH + HB

We have been given AH, so we just need to find the measure of HB.

First, find the angle AOH using tan trig ratio:

\sf \tan(\theta)=\dfrac{O}{A}

where:

  • \theta is the angle
  • O is the side opposite the angle
  • A is the side adjacent the angle

Given:

  • \theta = ∠AOH
  • O = AH = 8
  • A = OH = 19.80

\implies \sf \tan(\angle AOH)=\dfrac{8}{19.8}

\implies \sf \angle AOH = 22.00069835^{\circ}

   ∠BOA = ∠BOH + ∠AOH

⇒ ∠BOH = ∠BOA - ∠AOH

⇒ ∠BOH = 61° - 22.00069835°

               = 38.99930165°

Now we can find HB by again using the tan trig ratio:

Given:

  • \theta = ∠BOH = 38.99930165°
  • O = HB
  • A = OH = 19.80

Substituting given values:

\implies \sf \tan(38.99930165^{\circ})=\dfrac{HB}{19.80}

\implies \sf HB=19.80 \tan(38.99930165^{\circ})

\implies \sf HB=16.03332427

Therefore:

   AB = AH + BH

⇒ AB = 8 + 16.03332427

         = 24.03 units (nearest hundredth)

3 0
2 years ago
Read 2 more answers
Is the answer <br><br> A<br><br> B<br><br> C<br><br> D
ivann1987 [24]
I also think the answer is D, who else agrees with me? Btw, thank you for posting this question. I enjoy answering fun things sometimes.
5 0
4 years ago
Each week samantha can pay as much as $15 for her school lunch. Write an inequality showing how much samantha spends on lunch.
Annette [7]

Answer:

x\leq \$15

Step-by-step explanation:

Let

x------> amount of money that Samantha spends weekly on her school lunch

we know that

The inequality that represent this situation is

x\leq \$15

All positive real number less than or equal to 15

5 0
3 years ago
Find x in this trigonometry question
IRINA_888 [86]
\tan 61=\dfrac{y}{10}\\&#10;y=10\tan 61\\\\&#10;\cos 55=\dfrac{z}{10 \tan 61}\\&#10;z=10\tan 61\cos 55\\\\&#10;\sin x=\dfrac{10\tan 61\cos 55}{12}\\&#10;\sin x\approx\dfrac{10\cdot1.8\cdot0.57}{12}\\&#10;\sin x\approx0.855\\&#10;x\approx58.76^{\circ}
8 0
3 years ago
Please help! Thx (ASAP)
OverLord2011 [107]

Answer:

B. 3 to 10

Step-by-step explanation:

She uses 3 scoops of hot cocoa.

She uses 10 miniature marshmallows.

The ratio of scoops of hot cocoa to miniature marshmallows is 3 to 10.

6 0
3 years ago
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