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guajiro [1.7K]
3 years ago
7

Help plzzz 5 stars for who answers it correct AND 20 POINTS

Mathematics
1 answer:
Sonja [21]3 years ago
8 0
It's the second answer. Why?
Let's x be the weight of the art book. Now Let's translate the English into math language:

4x -4/5 = 2¹/₅

4x = 4/5 +2¹/₅
4x = 4/5 + 11/5

4x = 15/5 = 3 
and x = 3/4 of a pound

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Find the area of each polygon. 35 points
stiv31 [10]

Answer:

I would like to the the same thing

6 0
3 years ago
The polynomial 8x2 – 8x + 2 – 5 + x is simplified to 8x2 – gx – h. What are the value of g and h?
igor_vitrenko [27]

Answer:

Option D: g = 7 and h = 3

Step-by-step explanation:

The polynomial is;

8x² – 8x + 2 – 5 + x

Simplifying this gives;

8x² - 7x - 3

If this is simplified to 8x² – gx – h

Thus, by comparison of terms;

– gx = - 7x

-x will cancel out to get;

g = 7

Similarly, - h = - 3

Thus,h = 3

Therefore; g = 7 and h = 3

3 0
3 years ago
If a sprinkler waters 1 over 8 of a lawn in 1 over 4 hour, how much time will it take to water the entire lawn? (1 point)
gayaneshka [121]
It would take 2 hours. To complete the whole lawn you would need:
\frac{8}{8}
To make a whole, so to get that we multiply:
8 \times  \frac{1}{8}  =  \frac{8}{8}
So we use the same number required for the whole lawn, and multiply it times the hours
\frac{1}{4}   \times 8 = 2
7 0
3 years ago
Read 2 more answers
The diagonal of the rectangle is 15 cm and one of its sides is 9 cm. find the area of the rectangle.
Tems11 [23]

The area of the rectangle is 108 square centimeters.

Given Information

The following information has been given in the question,

Length of the diagonal of the rectangle, l = 15 cm

Length of one of the sides of the rectangle, a = 9 cm

Let the other side of the rectangle be b.

Finding the Other Side of the Rectangle

According to Pythagoras Theorem,

(hypotenuse)² = (base)² + (perpendicular)²

Applying this theorem in the right-angle triangle formed by the diagonal and 9cm side of the rectangle, we get,

l² = a² + b²  [∵ The diagonal makes the hypotenuse]

(15)² = (9)² + b²

b² = (15)² - (9)²

b² = 225 - 81

b² = 144

b = √144

b = 12 cm

Calculating the Area of the Rectangle

Area of the rectangle, A = a × b

A = 9 × 12

A = 108 cm²

Learn more on a rectangle here:

brainly.com/question/15019502

#SPJ4

5 0
2 years ago
Find the value of the power. Please do all four questions for 15 pts #1 6³ #2 9² #3 3⁴ #4 18²
defon

Answer:

6³ = 216

9² = 81

3⁴ = 81

18² = 324

Step-by-step explanation:

6³ = 6 · 6 · 6 = 36 · 6 = 216

9² = 9 · 9 = 81

3⁴ = 3 · 3 · 3 · 3 = 9 · 3 · 3 = 27 · 3 = 81

18² = 18 · 18 = 324

3 0
3 years ago
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