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butalik [34]
3 years ago
5

B. 13(y−10)=−4 1 3 ( y - 10 ) = - 4 y =

Mathematics
1 answer:
weeeeeb [17]3 years ago
4 0
13(y - 10) = -4

13y - 130 = -4

13y - 130 + 130 = -4 + 130

13y = 126

13y/13 = 126/13

y = 126/13
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The amounts of a sum of money in 2 years and 5 years are rs 2800 and e 3250respectvely .find the sum
sammy [17]

Answer:

money : x

in 2 years : x+2

in 5years: x+2= 2800 + 3250

sum= x+2= 6050

x=6050÷2

x=3025

6 0
3 years ago
The graph of which function will contain the point(2,10)​
kotegsom [21]

Answer:

point (2 , 10)

Y= 5X

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3 0
2 years ago
The Louvre is an art museum in Paris. A glass square base pyramid sits in front of the entrance to the museum. If the pyramid is
Sveta_85 [38]

Answer:

lateral area = 2320 m²

Step-by-step explanation:

The question wants us to calculate the lateral area of a square base pyramid. The square base pyramid has a side of 40 meters.The height is 21 meters.

Half of the square base is 40/2 =  20 meters . With the height it forms a right angle triangle. The hypotenuse side is the slant height of the pyramid.

Using Pythagoras's theorem

c² = a² + b²

c² = 20² + 21²

c² = 400 + 441

c² = 841

square root both sides

c = √841

c = 29 meters

The slant height of the pyramid is 29 meters.

The pyramid has four sided triangle. The lateral area is 4 multiply by the area of one triangle.

area of triangle = 1/2 × base × height

base = 40 meters

height = 29 meters

area = 1/2 × 40 × 29

area = 580

area of one triangle = 580 m²

Lateral area = 4(580)

lateral area = 2320 m²

5 0
3 years ago
Y-1/4=-3/8 solve for y
Leona [35]

Answer:

y=-1/8

Step-by-step explanation:

Add 1/4 to -3/8

3 0
3 years ago
(Use the Distributive Property to find an equivalent expression)<br> 2(3x-7y) = ?
IRINA_888 [86]

Answer:

(7y-3x)2

Step-by-step explanation:

It's the same thing but backwards

I hope this helps

6 0
2 years ago
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