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mrs_skeptik [129]
3 years ago
6

CAN ANYONE PLEASE HELP!’

Mathematics
1 answer:
andrew-mc [135]3 years ago
8 0

Answer:

130 cm³

Step-by-step explanation:

Volume of the pyramid = 1/3 × base area × height

Calculating base area;

Area = length × width

= 8 × 7

= 56 cm²

Now, Volume = ⅓ × 56 × 7

= ⅓ × 392

= 130.6 cm³.

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Si una llave vierte 6 1/3 litros de agua por minuto, ¿cuánto tiempo tardará en llenar un depósito de 88 2/3 litros de capacidad?
Ierofanga [76]

Answer: 14 minutes

Step-by-step explanation:

Given: A tap pours 6\dfrac13 liters of water per minute.

To find : Time taken to fill an88 \dfrac23 liters capacity tank.

which is given by :-

Time = 88 \dfrac23\div 6\dfrac13 minutes

=\dfrac{3\times88+2}{3}\div\dfrac{3\times6+1}{3}  minutes

=\dfrac{266}{3}\div \dfrac{19}{3} minutes

=\dfrac{266}{3}\times\dfrac{3}{19}  minutes

=\dfrac{266}{19}=14\text{ minutes}

Hence, it will take 14 minutes to fill an88 \dfrac23 liters capacity tank.

6 0
3 years ago
PLEASE HELPPPP
faltersainse [42]

Cosine is a trigonometric function. The value of cos(x+π), when the value of cos(x)=-(√3)/2 is √3/2. The correct option is A.

<h3>What is a cosine?</h3>

Cosine is the trigonometric function equal to the ratio of the side next to an acute angle to the hypotenuse in a right-angled triangle.

Given the value of cos(x)=-(√3)/2, therefore, the value of x can be written as,

cos(x) = -(√3)/2

(x) = cos⁻¹ [-(√3)/2]

x = 5π/6 = 150°

Now, the value of cos(x+π) will be,

cos(x+π)

= cos[(5π/6)+π]

= cos(11π/6)

= √3 / 2

Hence, the value of cos(x+π), when the value of cos(x)=-(√3)/2 is √3/2.

Learn more about Cosine function here:

brainly.com/question/17954123

#SPJ1

7 0
2 years ago
Read 2 more answers
Solve these simultaneous equations.<br> 4x – 7y = – 5<br> 3x – 2y = – 7<br> Solution: x=
AlexFokin [52]

Answer:

  1. \huge{x =  -  \frac{5}{4}  +  \frac{7}{4} y}
  2. \huge{x =  -  \frac{7}{3}  +  \frac{2}{3} y}

Step-by-step explanation:

1. 4x - 7y =  - 5

4x =  - 5 + 7y

\boxed{\green{x =  -  \frac{5}{4}  +  \frac{7}{4} y}}

y E R

○○•○○

2. 3x - 2y =  - 7

3x =  - 7 + 2y

\boxed{\green{x =  -  \frac{7}{3}  +  \frac{2}{3} y}}

y E R

5 0
3 years ago
The nutrition facts label on a container of dry roasted cashews indicates 161 calories is in 28 grams. you eat 9 cashews totalin
likoan [24]
Cashews Taste good this  is a trick question the answer is 15 cashews in servin
8 0
4 years ago
Read 2 more answers
Can someone help me with this question? (no links!)
tatyana61 [14]

Answer:

Angle 1 is 105 degrees

Step-by-step explanation:

180 - 75 = 105

so

Angle 1 is 105 degrees

Hope this helped! Have a nice day, and feel free to follow me on i/n/s/t/a (leo_g_rios)

-

7 0
3 years ago
Read 2 more answers
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