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3 years ago

The following table shows the results when

Mathematics

2 answers:

valentina_108 [34]3 years ago

6 0

Answer:

32% = 480

26% = 390

18% = 270

10% = 150

14% = 210

Step-by-step explanation:

1500(0.68) = 1020 = 1500 - 1020 = 480

1500(0.74) = 1110 = 1500 - 1110 = 390

1500(0.82) = 1230 = 1500 - 1230 = 270

1500(0.90) = 1350 = 1500 - 1350 = 210

For the last one, just add the percentages off and subtract the number by 100 to see what is left, then do the same with the number of people out of 1500 and that gives you the final number.

Diano4ka-milaya [45]3 years ago

4 0

Answer:

where's the table? where's the table I can't answer this where's the missing information

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The length of a rectangle is 7 meters longer that it’s width. What is the width of this rectangle if it’s perimeter is equal to

dolphi86 [110]

The width of rectangle is 21 meters.

Step-by-step explanation:

Given,

Perimeter of rectangle = 98 meters

Width of rectangle = w

Length of rectangle = w+7

Perimeter of rectangle = 2(Length+Width)

Perimeter = $2(w+7+w)$

$98=2(2w+7)\\98=4w+14\\98-14=4w\\84=4w\\4w=84$

Dividing both sides by 4

$\frac{4w}{4}=\frac{84}{4}\\w=21$

Width of rectangle = 21 meters

The width of rectangle is 21 meters.

Keywords: rectangle, perimeter

Learn more about perimeter at:

#LearnwithBrainly

8 0

4 years ago

A student concluded that the inequality −3+2y≤4x is equivalent to the inequality y≥2x+32, as shown below. Describe and correct t

timofeeve [1]

Answer:

$-3 +2y \leq 4x$

$2y \leq 4x+3$

$y \leq 2x + \frac{3}{2}$

And that's different from the claim of the student that:

$y \geq 2x +\frac{3}{2}$

The error of the student is that he/she changes the sign of the inequality from $\leq$ to $\geq$ and that's not possible since we don't multiply both sides of the equation by -1

Step-by-step explanation:

For this case we have the following inequality:

$-3 +2y \leq 4x$

We want to rewrite the last expression with y in the left and x in the right so we can begin adding 3 in both sides of the inequality and we got:

$2y \leq 4x+3$

Now we can divide both sides of the inequality by 2 and we got:

$y \leq 2x + \frac{3}{2}$

And that's different from the claim of the student that:

$y \geq 2x +\frac{3}{2}$

The error of the student is that he/she changes the sign of the inequality from $\leq$ to $\geq$ and that's not possible since we don't multiply both sides of the equation by -1

5 0

3 years ago

Division bracket with 12 on the left, 5496 inside, and 458 above it. Underneath the 5496, there is a minus 4800. Then there is a

lisabon 2012 [21]

Answer:

600

Step-by-step explanation:

458

_______

12[ 5496

- 4800

______

696

- 600

_________

- 96

_________

so 600 is the answer :D

hope it helps...

4 0

4 years ago

What was Mia’s error? 83 + n = 110 83 + 83 + n = 110 + 83 n=193

horrorfan [7]

Answer:

She added 83, instead of subtracting it.

In the second step it shows she adds it. Which is incorrect.

The correct answer is 27

4 0

4 years ago

Read 2 more answers

What is the solution to this system of equations graphed?

Levart [38]

Answer:

(2,-2)

Step-by-step explanation:

The solution to a system of equations like these, is where the two lines intersect. In this case, I believe, it would be at point (2,-2). Although, it is a little hard to pinpoint without the labeled number lines.

Hope this helps! Best of luck!

6 0

4 years ago