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2 years ago

Please give me the answer ill mark u brainliest

Mathematics

1 answer:

irinina [24]2 years ago

6 0

C the key is cookie boxes sold on the graph

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Use the x-intercept method to find all real solutions of the equation.

elixir [45]

Answer:

I believe it would be D.

Step-by-step explanation:

3 0

2 years ago

Zach and Ginny are building model cars. Ginny's car is 2 more than 3 times the length of Zach's car. The sum of the lengths of b

Neporo4naja [7]

Answer:

$x+(3x+2)=30$

Step-by-step explanation:

Let

x ----> the length of Zach's car

y ----> the length of Ginny's car

we know that

The sum of the lengths of both cars is 30 inches

$x+y=30$ ----> equation A

Ginny's car is 2 more than 3 times the length of Zach's car

$y=3x+2$ ----> equation B

substitute equation B in equation A

$x+(3x+2)=30$

8 0

3 years ago

Could you please help?

aleksandr82 [10.1K]

3. 8 tires for 2 cars = 4 tires for every 1 car

4. (8,2) (12,3) (16,4) (20,5) (24,6) (28,7)
↑
plot these on the graph
6. 8/2=16/4=12/3=20/5

6 0

3 years ago

Which relation is a function?( click all that apply)

weeeeeb [17]

A, B, D are functions.
(First, second, and fourth response)
You can see which is function since for everyone input only has one value. You can also use the vertical line test.

7 0

2 years ago

A cargo plane flew from the US across the Atlantic at 212 mph, and flew back to the US at 232 mph. Given that the first trip too

expeople1 [14]

The return trip was 21.2 hours long.

Step-by-step explanation:

Given,

Speed of plane from US = 212 mph

Speed of plane on return trip = 232 mph

Let,

x be the time taken on return trip.

Time taken from US = x+2

We know that;

Distance = Speed * Time

Distance of plane from US = 212(x+2) = 212x+424

Distance on return trip = 232x

As the distance will be same, therefore,

$232x=212x+424\\232x-212x=424\\20x=424$

Dividing both sides by 20

$\frac{20x}{20}=\frac{424}{20}\\x=12.2\ hours$

The return trip was 21.2 hours long.

Keywords: distance, speed

Learn more about speed at:

#LearnwithBrainly

5 0

3 years ago