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Anastaziya [24]
2 years ago
12

Select all tables that represent a proportional relationship between x and Y.

Mathematics
1 answer:
ch4aika [34]2 years ago
8 0
0 1 2 3 and 0 8 16 24
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Jamie is trying to work out the surface area of the cuboid below. Spot any mistakes and write the correct answer.
umka21 [38]

Step-by-step explanation:

The dimensions of the cuboid are 5 cm, 7 cm and 9 cm.

The formula for the surface area of the cuboid is as follows :

A=2(lb+bh+hl)

We have,

b = 9 cm, l = 7 cm and h = 5 cm

So,

A=2(9\times 7+9\times 5+7\times 5)\\\\A=2\times 143\\\\A=286\ cm^2

Jamie forgets to multiply 143 by 2 as the formula for surface area contains 2 as well.

7 0
3 years ago
Write an exponential growth function. Explain why your function represents exponential growth.
Naddika [18.5K]

Compare that with what we would have with a linear increase (2%): ... Now we shall examine the differences displayed with the functions in our example ... An exponential function with a > 0 and b > 1, like the one above, represents an .... Overview · Writing linear equations using the slope-intercept form · Writing linear.

8 0
3 years ago
Jamison needs a total of $395 to buy a new bike. He has $35 saved. He earns $15 each week delivering newspapers . How many more
dmitriy555 [2]

An equation is formed of two equal expressions. The number of weeks for which Jamison needs to deliver papers to earn enough money for a bike is 24.

<h3>What is an equation?</h3>

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Given that Jamison needs a total of $395 to buy a new bike but he has only $35 saved. Also, He earns $15 each week delivering newspapers.

Now, the equation that can represent the situation can be written as,

Cost of the bike = Amount Saved + Earning by delivering newspapers

Substituting the values,

$395 = $35 + $15x

where x is the number of weeks for Which Jamison needs to work in order to purchase the new bike. Therefore, solving the equation for x,

395 = 35 + 15x

395 - 35 = 15x

360 = 15x

x = 360 / 15

x = 24

Hence, the number of weeks for which Jamison needs to deliver papers to earn enough money for a bike is 24.

Learn more about Equation here:

brainly.com/question/10413253

#SPJ1

5 0
2 years ago
What is 4,000,000 + 700,000 + 20,000 + 9,000 + 600 + 60 + 2 in standard form?
Ivanshal [37]

Answer:

4729662

Step-by-step explanation:

5 0
3 years ago
Which of the following graphs shows the<br> solution set to 2x &lt; 6 and 3x + 2 &gt;<br> -4?
Ilya [14]

Answer:

The third picture

Step-by-step explanation:

Solve for x in both equations

2x<6

Divide both sides by 2:

x<3

3x+2>-4

Subtract 2 from both sides:

3x>-6

Divide both sides by 3:

x>-2

There is this trick you can use when x is on the left side of the equation to find out which way to shade in you graph. Keep in mind this is only for the left side, it will not work if your variable is on the right.

When the symbol is facing left < then shade left, imagine it is pointing which way to shade. x<3 is represented by the 3 picture on the left. When the symbol is facing right > then shade right, again it is pointing which way to shade. x>-2 is represented by the 3 picture on the right.

The circles are not filled in because the symbol is < and > rather than \leq  and \geq. When it is greater than or equal to or less than and equal to (represented by the line under the symbol), then the circle is shaded in.

5 0
2 years ago
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