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3 years ago

If x = 2 and y =3. evaluate 3x - 4y

Mathematics

1 answer:

insens350 [35]3 years ago

6 0

The answer is -6 just plug in the values

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What is the surface area of a sphere with a diameter of 16 cm?

Vilka [71]

Answer:

804.25 cm² (corrected to 2 decimal places)

Step-by-step explanation:

Radius = diameter / 2

= 16/ 2

=8 cm

Surface area of sphere = 4πr²

= 4π8²

=804.25 cm² (corrected to 2 decimal places)

6 0

3 years ago

The sales tax rate for the state of Washington was 9.4%. what is the state sales tax on a $3900 car in Washington? What is the f

MAXImum [283]

Answer:

3900 x.094 = 366.60

366.6+3900=4266.60

5 0

3 years ago

liam has 8 3/4 gallons of paint. he wants to use 2/5 of paint to paint his livingroom. how many gallons of paint will liam use?

slava [35]

<u>Answer:</u>

Liam will use 3.5 gallons of paint to paint his living room

<u>Solution:</u>

Given that Liam has $8 \frac{3}{4}$ gallons of paint.

He uses $\frac{2}{5}$ of paint to paint his living room

We need to find how many gallons of paint will Liam use

The gallons of paint Liam used can be found as follows:

Amount of paint Liam has = $8 \frac{3}{4}$ gallons

Converting mixed fraction $8 \frac{3}{4}$ to decimal we get 8.75

Amount of paint used = 2/5th of available amount

$= \frac{2}{5} \times 8.75=3.5 \text { or } 3 \frac{1}{2} \text { gallons }$

Hence Liam will use 3.5 gallons of paint to paint his living room

3 0

3 years ago

The area of square LMNO is 130 square inches. Find the length of Segment LM.

lakkis [162]

Answer:

11.401754251 or the square root of 130

Step-by-step explanation:

the length squared is the area so you have to do inverse operations and do the square root

4 0

3 years ago

How to solve it&&&&&&&&&&&

Dimas [21]

Answer:

y = 4 and x = 12

Step-by-step explanation:

Step by step explanation in the pic. Atleast the way I did it.

8 0

3 years ago