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3 years ago

10

24 students in Christine's class are wearing tennis shoes there are 30 students in the class Christine says that 70% of the stud

ents in the class are wearing tennis shoes is Christine correct explain your response

1 answer:

saw5 [17]3 years ago

8 0

No she not correct. 80% of the students are wearing tennis shoes

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A) Find the value of 3a + 4b when a = 17 and b = 9.

Ivan

Answer:

A. 87

B. i dont uderstand velocily sorry

Step-by-step explanation:

3*a=3*17=51

4*b=4*9=36

51+36=87

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3 years ago

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The domain of a quadratic function is all real numbers and the range is y s 2. How many x-intercepts does the

mel-nik [20]

Answer:

There are two x-intercepts.

A quadratic function whose maximum degree two. Therefore, Total two x-intercept possible.

We are given the range of quadratic function y less than equal to 2. It means parabola is downward whose maximum value 2.

Here y is greater than 2 and parabola form downward. Here must be two x-intercept.

If a>0 then form open up parabola.

If a<0 then open down parabola.

Here open down parabola. So, we get total two x-intercept.

Please see the attachment for diagram.

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3 years ago

Please help. Will grant brainliest!!

makkiz [27]

Answer: 1st option

Step-by-step explanation:

I've attached the solution

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3 years ago

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Can someone explain these to me?

s344n2d4d5 [400]

Answer:

Question 2: 4^12

Question 3: (9/64x)^11

Step-by-step explanation:

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3 years ago

Consuelo's living room is in the shape of a rectangle and has an area of 360 square feet. The width of the living room is 5/8 it

uranmaximum [27]

<h2>Therefore the length of the living room = 24 ft</h2>

Step-by-step explanation:

Given that , Consuelo's living room is in the shape of rectangle and has an area of 360 square feet and the width of the living room is $\frac {5}{8}$ its length

Let ,the length of the living room is = x ft

Then width = $\frac {5}{8}x$ ft

Therefore the area of the living room = $x \times \frac {5}{8}x ft^2$

According to problem,

$x\times \frac {5}{8}x = 360$

⇔ $\frac{5}{8}x^2=360$

⇔ $x^2 = \frac{360\times 8}{5}$

⇔ $x^2 = 576$

⇔ $x=\sqrt{576}$

⇔ $x = 24$

Therefore the length of the living room = 24 ft

8 0

3 years ago

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