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WARRIOR [948]
3 years ago
9

Plz solve the following with steps (people who just come by without answering the question and taking the points may end up as b

an)

Mathematics
1 answer:
sleet_krkn [62]3 years ago
8 0

Answer:

<h2>12) There are 534 students who do not lunch in school.</h2>

Step-by-step explanation:

<h3>12. </h3><h3>Simple solution: </h3><h3>890 ÷ 5 = 178 </h3><h3>Therefore: 1/5 = 178 </h3><h3 /><h3>•To find the 2/5 of the students, we have to multiply 178 by 2</h3><h3>178 × 2 = 356</h3><h3>Therefore, 356 students stay to have lunch.</h3><h3 /><h3>•To find the remaining students who do not lunch in school, we have to subtract 356 to 890.</h3><h3>890 - 356 = 534</h3><h3>Therefore, there are 534 students who do not lunch in school.</h3><h3 /><h3 />
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How do I write this as an equation
Lana71 [14]
Let x be the number of children
Let y be the number of adults

x + y = 4
4x + 7y = 19
5 0
3 years ago
9. Hue wants to buy two necklaces, one for
pishuonlain [190]

Answer:

$71.59

Step-by-step explanation:

43.25+26.25

=69.5

69.5*\frac{103}{100}

69.5*1.03

=71.585

8 0
3 years ago
13. Oscar's dog house is shaped like a tent. The slanted sides are both 5 feet
VashaNatasha [74]

Answer:

The height of the dog house = 4 feet.

Step-by-step explanation:

Given:

The shape of the dog house is like a tent.

The slant heights of the house is 5 feet.

The bottom of the house is 6 feet across.

To find the height of the dog house at its tallest point.

Solution:

On drawing the figure of the dog house in the shape of a tent, we find out that the tallest point would be at the midpoint of the bottom of the house.

Thus, we ave a right triangle, of which one leg = \frac{6\ ft}{2}=3\ ft and hypotenuse = 5\ ft

<em>Applying Pythagorean theorem to find the measure of the other leg which is the height of the house.</em>

Hypotenuse^2=Leg1^2+Leg2^2

Plugging in values.

5^2=3^2+Leg2^2

25=9+Leg2^2

Subtracting both sides by 9.

25-9=9-9+Leg2^2

16=Leg2^2

Taking square root both sides.

\sqrt{16}=\sqrt{Leg2^2}

4=Leg2

Thus, the height of the dog house = 4 feet.

6 0
4 years ago
I need help with the third part of number 2 please!
OverLord2011 [107]

Answer: 21.8

Step-by-step explanation:

Pythagorean Theorem = a^2 + b^2 = c^2

5^2 + b^2 = 10^2

25 + b^2 = 100

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b = 8.7

area = 1/2bh

1/2 5x8.7

1/2 43.5

21.8

5 0
3 years ago
Solve for x please<br> A)-8<br> B)-9<br> C)8<br> D9
netineya [11]

Answer:

My answer is -9.becasiug

7 0
2 years ago
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