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2 years ago

PLS HELP!!! I NEED IT ASAP (FAILING)

Mathematics

1 answer:

RoseWind [281]2 years ago

4 0

Answer:

It is the longest one (20).

Step-by-step explanation:

The hypotenuse is the length opposite the right angle and between the legs. In this case it is the longest one.

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Model factors: use tiles to find all the factors of the product, record the arrays on grid paper and write the factors shown.

Ipatiy [6.2K]

The factors is just 1 and 23. The array should be 23 rows/columns of just 1 dot only. Here's an example:

Factors of 5: 1 and 5

Array: •••••

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3 years ago

What is the formula for area of a rectangle?

Vedmedyk [2.9K]

Answer:

length × width=Area

I hope this helps

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3 years ago

3) The foot of a ladder is 1.2 m from a fence

VashaNatasha [74]

Answer: $4.5\ meters$

Step-by-step explanation:

Using the data given in the exercise, we can draw the diagram attached, where "h" is the height of the building reached by the top of the ladder.

Notice that there are two similar triangles.

So, you can set up the following proportion:

$\frac{1.8}{1.2}=\frac{h}{(1.2+1.8)}$

Finally, in order to calculate the height on the building reached by the top of the ladder, you must solve for "h".

Therefore, the value of "h" is :

$\frac{1.8}{1.2}=\frac{h}{3}\\\\(3)(\frac{1.8}{1.2})=h\\\\\frac{5.4}{1.2}=h\\\\h=4.5$

5 0

3 years ago

Find the additive inverse or opposite of -4/3

Vikentia [17]

It would be positive 4/3 or the inverse would be -3/4

5 0

4 years ago

The volume of ice-cream in the cone is half the volume of the cone. The cone has a 3 cm radius and

zhannawk [14.2K]

Answer:

h = 5 cm

Step-by-step explanation:

Given that,

The volume of ice-cream in the cone is half the volume of the cone.

Volume of cone is given by :

$V_c=\dfrac{1}{3}\pi r^2h$

r is radius of cone, r = 3 cm

h is height of cone, h = 6 cm

So,

$V_c=\dfrac{1}{3}\pi (3)^2\times 6\\\\V_c=18\pi\ cm^3$

Let $V_i$ is the volume of icecream in the cone. So,

$V_i=\dfrac{18\pi}{2}=9\pi\ cm^3$

Let H be the depth of the icecream.

Two triangles formed by the cone and the icecream will be similiar. SO,

$\dfrac{H}{6}=\dfrac{r}{3}\\\\r=\dfrac{H}{2}$

So, volume of icecream in the cone is :

$V_c=\dfrac{1}{3}\pi (\dfrac{h}{2})^2(\dfrac{h}{3})\\\\9\pi=\dfrac{h^3}{12}\pi\\\\h^3=108\\\\h=4.76\ cm$

h = 5 cm

So, the depth of the ice-cream is 5 cm.

8 0

3 years ago