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3 years ago

Plz help this is due soon

Mathematics

1 answer:

shepuryov [24]3 years ago

5 0

Answer:

put a dot on the following points ( -1, -3) (0, -2) (1, -1) and (2, 0)

Step-by-step explanation:

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Ava has $110 in her piggy bank and spends $5 a week. Liam has $20 in his piggy bank and does chores to earn an extra $4 a week.

jarptica [38.1K]

Answer:

Ava and Liam have the same amount of money at 10th week.

Step-by-step explanation:

Given:

Amount Ava has in her piggy bank = $110

Amount spends per week = $5

Let the number of weeks be 'w'.

So we can say that.

Total amount Ava had after 'w' weeks = $110-5w$

Also Given:

Amount Liam has in her piggy bank = $20

Amount earns per week = $4

Let the number of weeks be 'w'.

So we can say that.

Total amount Liam had after 'w' weeks = $20+4w$

Now we need to find the number of weeks when both will have same amount.

So we can say that;

Total amount Ava had after 'w' weeks =Total amount Liam had after 'w' weeks

$110-5w=20+4w$

Combining like terms we get;

$110-20=5w+4w\\\\90=9w$

Dividing both side by 9 we get;

$\frac{90}{9}=\frac{9w}{9}\\\\w=10\ weeks$

Hence Ava and Liam have the same amount of money at 10th week.

8 0

4 years ago

You are given a cubic box with an edge length of 20in, what is the volume of the box?

larisa [96]

Answer:

= 40 inches3 i think

Step-by-step explanation:

Vbox = l × w × h

Vbox = 5 inches × 4 inches × 2 inches

Vbox = 20 inches2 × 2 inches

5 0

3 years ago

An excursion party had $2.00 to pay in total, but before the bill was paid 10 people from the party went away, and those that re

KatRina [158]

Answer:

20 people

Step-by-step explanation:

Let x be the number of people initially. We can find the amount each of them has to pay at first

2 / x

But when 10 people walk away, the remaining (x - 10) has to pay 10 cents more to get the same total of $2. This would means

$(\frac{2}{x} + 0.1)(x-10) = 2$

From here we can perform cross multiplication

$2 - 20/x + 0.1x - 1 = 2$

$0.1x - 20/x - 1 = 0$

Multiply both sides by 10x:

$x^2 -10x - 200 = 0$

$x= \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$

$x= \frac{10\pm \sqrt{(-10)^2 - 4*(1)*(-200)}}{2*(1)}$

$x= \frac{10\pm30}{2}$

x = 20 or x = -10

Since x can only be positive we will pick x = 20

3 0

3 years ago

In a 45-45-90 right triangle, what is the ratio of the length of one leg to the length of the other leg?

guapka [62]

Hello,

Answer C triangle isocele
==================

6 0

3 years ago

Which point lies on a circle with a radius of 5 units and center at P(6, 1)?

marusya05 [52]

Answer:

(1,1);(11,1);(6,6);(6-4)

Step-by-step explanation:

The easiest way to do is add or subtract 5 to the x or y value.

5 0

3 years ago

Plz help this is due soon​

Plz help this is due soon