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2 years ago

Plz answer...........................................................

Mathematics

2 answers:

aniked [119]2 years ago

8 0

Answer:

x ➡️ ×3 ➡️÷ 2 ➡️ - 4 ➡️ × 6 ➡️ 30

6⬅️ ÷3 ⬅️× 2 ⬅️ +4 ⬅️ ÷6 ⬅️ 30

x=6

Alexxandr [17]2 years ago

6 0

Answer:

x=3.76 (3.7 recurring rounded to 2 decimal places)

x= $\frac{34}{9}$

Step-by-step explanation:

You follow the simple steps of finding the value of a variable in an equation by doing PEMDAS/BOMDAS backwards

$6(\frac{3x}{2}-4)=30$

$6(\frac{3x}{2}-4+4)=30+4$

$6(\frac{3x/3}{y})=\frac{34}{3}$

$6(2\frac{x}{2})=2\times11.3 recurring$

$\frac{6x}{6} = \frac{22.6}{6}$

$x=3.76\\x=\frac{34}{9}$

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John needs to paint one wall in his school. He knows that 1 can of paint covers an area of 24 square feet. John uses a meter sti

laila [671]

The complete question in the attached figure

step 1
find the area of the wall

[area of the wall]=[area of rectangle]+[area of triangle]
[area of the wall]=[3*2]+[3*1/2]----> 7.5 m²

1 m²-------> 10.7639 ft²

area of the wall------> 7.5*10.7639------> 80.73 ft²

we know that
1 can of paint covers an area of --------> 24 ft²
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x=80.73/24---------> x=3.36 can of paints

the answer is
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6 0

3 years ago

11. All services at the salon are 25% off today. Maria decided to get a haircut that originally costs $22.

laila [671]

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8 0

2 years ago

Which is greater 15/27 or 16/24

Artemon [7]

Answer:

16/24

Step-by-step explanation:

let’s use the GCF of both which is 3 for 15/27

15/27 divided by 3 is 5/9

for 16/24 the gcf is 8

16/24 / 8 is 2/3

now we have to multiply 2/3 times 3

2/3 times 3 6/3 which is 2

so 16/24 is greater.

3 0

3 years ago

The base of the 37 foot ladder is 9 feet from the wall of a building. will the top of the ladder reach a window ledge 35 feet ab

AnnZ [28]

Answer:

The answer to your question is Yes.

Step-by-step explanation:

The math in this problem is that we need to use the Pythagorean theorem to solve it. Pythagorean theorem is part of trigonometry a branch of Maths.

Data

base = 9 ft

length = 37 ft

height = ?

Pythagorean theorem

c² = a² + b²

length = c

base = a

height = b

37² = 9² + b²

-Solve for b

b² = 37² - 9²

-Simplify

b² = 1369 - 81

b² = 1288

-Result

b = 35.88

-Conclusion

The ladder will reach a height higher than 35 ft.

8 0

3 years ago

Solve the system by substitution.<br> -8x - y = 30<br> -2y = x

masya89 [10]

Answer:

Solution: (-4, 2), x= -4 and y =2

Step-by-step explanation:

-8x - y = 30

-2y = x

Substitute for x

-8*(-2y) - y = 30

16y - y = 30

15y = 30

y = 30/15 = 2

Then x = -2y = -2*(2) = -4

Solution: (-4, 2), x= -4 and y =2

4 0

2 years ago