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3 years ago

What Does "Is" Mean In Math

Mathematics

2 answers:

larisa86 [58]3 years ago

7 0

Is in math means equal, or, =
For example, four plus one IS five
Hope this helps!

qwelly [4]3 years ago

4 0

Is in math means equal, or, =
For example, four plus one IS five
Hope this helps!

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Pedro can drive 2 times as fast as Pablo can ride his bicycle. If it takes Pablo 2 hours longer than Pedro to travel 72 miles, h

galben [10]

Pablo can ride his bicycle with speed of 18 miles per hour

Solution:

Given, Pedro can drive 2 times as fast as Pablo can ride his bicycle.

Let the speed of Pablo be "n" miles per hour

Then the speed of the Pedro will be "2n" miles per hour

Now, If it takes Pablo 2 hours longer than Pedro to travel 72 miles,

We have to find how fast can Pablo ride his bicycle?

The formula for speed is given as:

$\text { distance }=\text { speed } \times \text { time }$

Let the time taken by Pedro to travel 72 miles be "t" hours, then time taken by Pablo will be "t + 2" hours

In case of Pablo:

$\begin{array}{l}{72 \text { miles }=\text { speed } \times (t+2) \text { hour }} \\ {\rightarrow 72=n \times(t+2) \rightarrow(1)}\end{array}$

In case of Pedro:

$\begin{array}{l}{72 \text { miles }=\text { speed } \times \text { thours }} \\ {\rightarrow 72=2 n \times t \rightarrow(2)}\end{array}$

Then, equate both (1) and (2)

$\begin{array}{l}{n \times(t+2)=2 n \times t} \\\\ {\rightarrow t+2=2 \times t} \\\\ {\rightarrow t+2=2 t} \\\\ {\rightarrow 2 t-t=2} \\\\ {\rightarrow t=2}\end{array}$

Now, substitute t = 2 in (2)

$\begin{array}{l}{\rightarrow 72=2 n \times 2} \\\\ {\rightarrow 72=4 n} \\\\ {\rightarrow n=18}\end{array}$

Hence, the speed of Pablo is 18 miles per hour.

3 0

3 years ago

Explaining your answer can either include a counterexample, a diagram or a written explanation to support your answer.

anzhelika [568]

Answer:

sorry I didn't understanding this

6 0

3 years ago

Find the lateral area of the cylinder.

irina [24]

Answer:

$A=440\ m^2$

Step-by-step explanation:

Given that,

The diameter of the cylinder, d = 10 m

Hight, h = 14 m

Radius, r = d/2 = 5 m

We need to find the lateral area of the cylinder. The formula for the lateral area of the cylinder is given by :

$A=2\pi rh\\\\A=2\times \dfrac{22}{7} \times 5\times 14\\A=440\ m^2$

So, the lateral surface area of the cylinder is equal to $440\ m^2$ .

6 0

3 years ago

Please help solve this

neonofarm [45]

F(x)= (x+13)(x-2) in expanded form, it would be x^2+11x-26

5 0

3 years ago

A spinner is divided into 15 identical sectors and labeled 1 through 15.

katovenus [111]

Answer:

spin it 35 times

Step-by-step explanation:

there are 3 multiples of 4 under 15 (4,8,12) so the chances of a 4 will be 3/15 or 1/5 to find the chances of 7 times just multiply by 7 so the finale answer is 1/35

P.S. please give brainliest

3 0

2 years ago