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3 years ago

Susy has 14 dogs and 9 cats. How many pets does she have

Mathematics

2 answers:

Mkey [24]3 years ago

8 0

Answer:

Step-by-step explanation:

Add. Note that both dogs & cats fall under the category of "pets".

There are 14 dogs & 9 cats in all:

14 + 9 = 23

23 pets is your answer.

Naily [24]3 years ago

6 0

Answer:

23 pets

Step-by-step explanation:

If Susy has 14 dogs and 9 cats she has 23 pets in all.

14 dogs

9 cats

14 dogs + 9 cats = 23 pets

Therefore, Susy has 23 pets.

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Find the missing side length. Show all work.<br> first right answer with right work gets 500 points

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Answer:

$x=14 \tan 61^{\circ}$

Step-by-step explanation:

$\tan 61^{\circ}=\frac{x}{14} \\ \\ x=14 \tan 61^{\circ}$

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1 year ago

What is the solution for <br> x+y>2<br> 2x-y>1

blagie [28]

Answer:

x>1 and y>1

Step-by-step explanation:

x+y>2....... (i)

2x-y>1...... (ii)

Adding equations (i) and (ii),

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Putting the value of x in equation (i),

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3 years ago

An object has a mass of 225 g and a volume of 15 cm3.<br> Find the density of the object in g/cm3

ioda

Answer:

D=m/v

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Step-by-step explanation:

The formula for calculating density is: density=mass/volume.

after collecting data you will see that all the data is already in the question and there's no need to convert any units. Divide the mass by the volume and you'll have the density in g/cm^3

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3 years ago

An arch is in the shape of a parabola. It has a span of 100 feet and a maximum height of 25 ft.

faltersainse [42]

Answer:

$y=-\frac{1}{100}(x-50)^2+25$

the height of the arch 10 feet from the center is 24 feet

Step-by-step explanation:

An arch is in the shape of a parabola. It has a span of 100 feet, the vertex lies at the center 50 and the maximum height of 25 ft.

Vertex at (50,25)

vertex form of the equation is

$y=a(x-h)^2+k$ , (h,k) is the center

$y=a(x-50)^2+25$

the parabola starts at (0,0) that is (x,y)

$0=a(0-50)^2+25$

subtract 25 from both sides

$-25=a(-50)^2$

$-25=a(2500)$

divide both sides by 2500

$a=-\frac{1}{100}$

$y=-\frac{1}{100}(x-50)^2+25$

the height of the arch 10 feet from the center.

center is at 50, 10 feet from the center so x=40 and x=60

$y=-\frac{1}{100}(40-50)^2+25$

y=24

the height of the arch 10 feet from the center is 24 feet

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