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joja [24]
2 years ago
10

Can someone help me?! ​

Mathematics
1 answer:
Sever21 [200]2 years ago
5 0

Answer:

10 km

Step-by-step explanation:

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Dwight and Walt are building model cars. Dwight builds 7 fewer models than 4 times the number Walt builds.Dwight builds at most
romanna [79]

 4x-7\leq 9  inequality could be used to find the number of models Walt builds. Correct option B).

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

Here we have , Dwight and Walt are building model cars. Dwight builds 7 fewer models than 4 times the number Walt builds.Dwight builds at most 9 models. We need to find Which inequality could be used to find the number of models Walt builds . Let's find out:

Let the  the number Walt builds is x , So Dwight builds 7 fewer models than 4 times the number Walt builds i.e.

⇒ 4x-7

But , according to question Dwight builds at most 9 models i.e.

⇒ 4x-7\leq 9

⇒ 4x\leq 16

⇒ \frac{4x}{4}\leq \frac{16}{4}

⇒ x\leq 4

Therefore ,  4x-7\leq 9  inequality could be used to find the number of models Walt builds which is Dwight builds at most 9 and Walt builds at most 4 .

4 0
3 years ago
What is the range of y =5/2(x-2)² - 4
blagie [28]

Answer:

vertex:(2,-4)

Focus:(2,-\frac{39}{10} )

Axis of symmetry :x=2

Directrixt: y=-\frac{41}{10}

Step-by-step explanation:

7 0
3 years ago
Identify the variable in: 7h + 3
7nadin3 [17]
Isn’t it h?

extra words so i can actually post this reply
3 0
2 years ago
Read 2 more answers
Geometry Helps please<br> (Only correct Answers only please) Thank you very much.
Levart [38]
<h3>Exact Answer: (160/3)pi</h3><h3>Approximate Answer: 167.47</h3>

The approximate answer results when you use pi = 3.14, and this approximate answer is rounded to two decimal places

note that (160/3)pi is the same as 160pi/3

========================================================

Work Shown:

r = radius = 4

h = height = 10

V = volume of cone

V = (1/3)pi*r^2*h

V = (1/3)pi*4^2*10

V = (160/3)pi exact answer

V = (160/3)*3.14

V = 167.46666....

V = 167.47 approximate answer rounded to two decimal places

8 0
3 years ago
The table shows the cost to rent a campsite based on the number of people camping. Determine if each statement is true by select
Alexeev081 [22]
Yes
No
Yes
No

The slope is 8.5

Take any 2 points and apply the slope equation. You will get the same slope.

The constant proportionality is the same as the slope.

Hope it helps :)
3 0
3 years ago
Read 2 more answers
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