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2 years ago

Find the slope of the line whose equation is 2x + y = 5.

Mathematics

1 answer:

natali 33 [55]2 years ago

6 0

Answer:

Slope is -2x

Step-by-step explanation:

2x + y =5

2x-2x +y= 5 -2x

y= 5 -2x

so y= -2x+5

and the slope is -2x so the answer is -2x

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Please help me with question b) and please explain!!<br>look at the attached image

natta225 [31]

Answer:

Step-by-step explanation:

let x be the number of boxes to be shaded to make it 80%

x = 80% of total number

= 80/100 of 25

= 80/4

= 20

So 20 need to be shaded to fill 80%

Now, 13 of the grids are already shared so the amount of more squares that need to be shaded = 20-13

= 17 squares

4 0

2 years ago

Read 2 more answers

A round cake has a diameter of 30\text{ cm}30 cm30, start text, space, c, m, end text. Angela places the cake on a circular cake

VLD [36.1K]

Answer:

The circumference of the cake board is <u>35π cm</u>.

Step-by-step explanation:

The question is incomplete, so the complete question is below:

A round cake has a diameter of 30 cm. Angela places the cake on a circular cake board with a diameter 5 cm longer than that of the cake. What is the circumference of the cake board? Give your answer in terms of π.

Now, to find the circumference of the cake board.

As, given diameter of cake = 30 cm.

And diameter of cake board is 5 cm longer than that of the cake.

Thus, the diameter of cake board is:

$30\ cm+5\ cm=35\ cm.$

So, to find the circumference we need radius, by putting formula:

$Radius(r)=\frac{Diameter}{2}$

$Radius(r)=\frac{35}{2}$

$Radius(r)=17.5\ cm.$

Now, to get the circumference of the cake board we put formula:

$Circumference=2\pi r.$

$Circumference=2\times \pi \times 17.5$

$Circumference=35\pi \ cm.$

Therefore, the circumference of the cake board is 35π cm.

4 0

2 years ago

The Reviews editor for a certain scientific journal decides whether the review for any particular book should be short (1–2 page

schepotkina [342]

Answer:

co Insp co by si of m BP go 67

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2 years ago

Is (9,-17) a function?

choli [55]

Yes. All inputs are different.

8 0

3 years ago

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What is the probability of getting 3 queens in a 5-card hand using a standard deck of cards?

Oxana [17]

Answer:

1.2%

Step-by-step explanation:

I did math

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2 years ago