3 years ago

The width of a rectangular window is

Mathematics

1 answer:

stellarik [79]3 years ago

8 0

Area is length times width. So do 2x +6 times 3x + 10 and if you FOIL you get 6x^2 + 38x + 60

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Anyone?! please I need to get this done

alexira [117]

Answer:

Step-by-step explanation:

Surface area of the object = 2 (lw + wh + hl) = 2 (10× 6 + 6 × 10 + 10 × 10)

= 2 ( 60 + 60 + 100) = 2 × 220 = 440 ft.²

5 0

3 years ago

The length of the hypotenuse of a right triangle is 13 m. The length of one leg is 5 cm. Find the length of the other leg.

astraxan [27]

12 cm, use the pythagorean theorem: a^2+b^2=c^2
5^2+b^2=13^2
25+b^2=169
b^2=144
b=12
12 cm

4 0

3 years ago

Sharon is painting her house. she needs 5 gallons of brown paint for every 7 gallons of white paint. How many gallons of white

Igoryamba

Answer:

19.6

Step-by-step explanation:

The ratio of brown paint to white paint is, 5:7 or $\frac{5}{7}$ so if he bought 14 gallons of white paint we need to figure out:

$\frac{5}{7} =\frac{14}{x}$

which we can as it only has one unknown:

5x=14×7

5x=98

x=19.6

So the answer is 19.6

3 0

3 years ago

Read 2 more answers

What is the solution to -(6m+8)=4(17-m)

ale4655 [162]

<u>Answer:</u>

The solution to the problem is -38.

<u>Step-by-step explanation:</u>

-(6m + 8) = 4(17 - m)
=> -6m - 8 = 68 - 4m
=> -6m + 4m = 68 + 8
=> -2m = 76
=> m = 76/-2
=> m = -38

Hence, <u>the solution to the problem is -38.</u>

Hoped this helped.

$BrainiacUser1357$

5 0

3 years ago

Evaluate the following expression when x = -5 and y = 25.

antoniya [11.8K]

Answer:

Step-by-step explanation:

5÷5x and 25÷5

1 × 5

your answer is 5

8 0

3 years ago