MATHEMATICS HIGH SCHOOL

BRAINLIEST IF RIGHT FOR SUREthe difference between a number is 12 is 30
show steps brainly if correct

Answers

Answer 1
Answer:

Answer:

18

X + 12 = 30

-12. -12. Subtract 12

X = 18. Answer
Answer 2
Answer:

Answer:

42

Step-by-step explanation:

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What part of the circumference is an arc whose measure is 30°?a.1/12 b.1/10 c.1/8 d.1/6
Point C is on line segment \overline{BD} BD . Given BC=x+4,BC=x+4, CD=5x,CD=5x, and BD=5x+7,BD=5x+7, determine the numerical length of \overline{CD}. CD .
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Need help with number 2 20 points best answer

Answers

The possible dimensions are -7 and -8 units.

Solution:

Area of the rectangular skateboard park = x^(2)+15 x+56

To find the dimensions of the park.

Let us factor the polynomial:

x^(2)+15 x+56=0

15x can be written as 7x + 8x.

x^(2)+7 x+8x+56=0

(x^(2)+7 x)+(8x+56)=0

Take x common in 1st two terms and 8 common in next two terms.

x(x+7 )+8(x+7)=0

Make sure that the remaining terms in the bracket should be equal.

Now, take the common term (x + 7) outside from both terms.

(x+7)(x+8)=0

x+7=0 \ \text{or} \ x + 8 = 0

x=-7 \ \text{or} \ x = -8

If the length of the park is -7 then the width is -8.

If the length of the park is -8 then the width is -7.

The possible dimensions are -7 and -8 units.

Lily has 3 dog toys that are red. one fourth of all her dog toys are red. how many dog toys does lily have? first draw _ circles to show _ equal parts.

Answers

so she has 12 dogs toys because if she has three dogs and they are a fourth of the total you can just multiply 3 four times.

do you get it?

i hope i helped

Answer:

Step-by-step explanation:

Simplify the Following:

3√3 (5 + 3√2 )

Answers

Answer: 15√3 + 9√6

Step-by-step explanation:

3√3 (5 + 3√2 )

= 3√3 x 5 + 3√3 x 3√2 (Apply the distributive rule. a(b+c) = ab+ac)

= 15√3 + 9√6 (Multiply the radicands, then multiply the constants. No mixing)

The volume of a cube can be written as a function of its edge length, V(x) = x^3. Which is a correct interpretation of V(2x)?(A) The volume of a cube doubles when its edge length doubles.
B) The volume of a cube increases by a factor of 4 when its edge length doubles.
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The volume of a cube increases by a factor of 6 when its edge length doubles.
D The volume of a cube increases by a factor of 8 when its edge length doubles.

Answers

Answer:

D The volume of a cube increases by a factor of 8 when its edge length doubles

Step-by-step explanation:

Volume of a cube is represented by the function

V(x)=x^3

where x represents the edge length of the cube

Now when x=2x i.e., when the edge length is doubled we have

V(2x)=(2x)^3\n\Rightarrow V(2x)=8x^3\n\Rightarrow V(2x)=8(V(x))

It can be seen that the volume of the cube increased by 8 times when edge length doubles.

Answer:

the answer is d

Step-by-step explanation:

Are two lines that lie in parallel planes always parallel?

Answers

Of course not.

-- Take a washable marker, and give your little sister another washable marker.

-- Stand back-to-back in your bedroom, you facing the front wall, and her facing the back wall.

-- When you say 'GO', both of you draw a straight line on the wall.
   Then look at the lines.

-- The front and back walls are parallel planes, but it would be
amazing if the two lines are parallel.  One could even be a
horizontal line and the other a vertical one . . . definitely not parallel. 

Please help asap! file attached below!

Answers

I got B but you may want to check with some other people's answer choices before you put in my answer hope this helps in the meantime though I'm pretty confident in my answer
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