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3 years ago

Im really bad at these questions I need an answer and an explanation

Mathematics

2 answers:

Sophie [7]3 years ago

7 0

Answer:

63/100 or 63%

Step-by-step explanation:

iris [78.8K]3 years ago

7 0

Answer:

The percent that represents the model is 63%

Step-by-step explanation:

The model is 100 squares, correct? Well, there are 63 shaded. We can easily put that into a percent because percents are always out of 100. In other words, if there was X/100, the X would be the percent. In this case, 63 is in the X spot because that is how many there are shaded, which makes the percent 63%.

Hope this helps <3

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What is the domain of y = (3/(x - 2)^2)- 4 ?

Alenkinab [10]

$Domain \ of \ y=\frac{3}{(x - 2)^2}-4 \ is \ all \ real \ numbers \ except \ 2$

5 0

3 years ago

I do not know how to get what they are asking me too

zavuch27 [327]

The percent increase is inside parenthesis

1.115 multiplied by 100

111.5% - 100% = 11.5% rate of increase

7 0

2 years ago

4x-8y=24 find the x-intercept and y- intercept on the graph

Andreyy89

The x intercept is the value of x when y=0
the y intercept is the value of y when x=0
when y=0: 4x-0=24 => x=4
when x=0: 0-8y=24 => y=-3
so the x intercept is 4, and the y intercept is -3

8 0

4 years ago

Read 2 more answers

You decide to buy a car with a base price of $11,499 at an interest rate of 6.2%. The car will be compounded monthly in those 5

qaws [65]

Answer:

A = $15,696.72

Step-by-step explanation:

Use the compound amount formula: A = P(1 + r/n)^(nt). Here the number of compounding periods is nt, or (12 per year)(5 years) = 60.

Our formula becomes A = $11,499(1 + 0.062/12)^60, which works out to:

A = $11,499(1 + 0.0052)^60, or

A = $15,696.72

The monthly payment is $15,696.72/60, or $261.61.

5 0

3 years ago

In ΔABC, AD and BE are the angle bisectors of ∠A and ∠B and DE║ AB. Find the measures of the angles of ΔABC, if m∠ADE: m∠ADB = 2

drek231 [11]

Answer: ∠A=48°,∠B=48°,∠C=84°.

Step by-step explanation:

Given: AD and BE are the angle bisectors of ∠A and ∠B

i.e ∠6=∠7 ( ∵ Angles formed after AD bisected ∠A)

∠4=∠5 ( ∵ Angles formed after BE bisected ∠B)

Also, DE║AB

⇒ ∠2=∠7 (∵ Alternate interior angles)

∠3=∠6 (∵ Alternate interior angles)

And ∠ADE : ∠ADB =∠2:∠3= 2:9 =2x : 9x ..(1)

To Find: ∠A,∠B,∠C.

Solution: ∠2=∠7 (∵ Given) ...(2)

∠2=∠4 (∵ angles on the same segment) ...(3)

∠4=∠5 =∠B/2 (∵ Given) ...(4)

∴ In Δ ABD

∠3+∠4+∠5+∠7 = 180 (∵ Sum of interior angles of a triangle)

From equation 2,3,4,5, Put values

9x+2x+2x+2x =180°

⇒15x = 180°

⇒x=12°

Putting values in equation (4) ⇒ ∠ B =2*(2*12) = 48°

Also, ∠B=∠A=48°

Now,in Δ ABC

∠C+∠B+∠A= 180°

⇒48°+48°+∠C= 180°

⇒∠C=84°

6 0

4 years ago