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3 years ago

Jared deposits $2 into his savings account every day for six weeks. Using the associate

Mathematics

1 answer:

xeze [42]3 years ago

3 0

Answer:

(2*7)*6 or 2*(7*6) = $84

Step-by-step explanation:

The associative property would always give the same value as an answer no matter the way of expression, once the expressions are right. So in this case,

Since has saves $2 every day and there are 7 days in a week,

2*7

and save this continously for 6 weeks.

(2*7)*6

This equals $84

7 days in a week for 6 weeks

7*6

and saved $2 per day

2*(7*6)

This equals $84

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A person on a moving sidewalk 21 feet in 7 senconds the moving sidewalk has a lenght of 180 feet. How long will it take to move

aliina [53]

Answer:

He will take 60 seconds to move from one end of the sidewalk to other.

Step-by-step explanation:

Given:

A person on a moving sidewalk,

21 feet in 7 seconds

Then 180 feet

To Find:

Total time =?

Solution:

Speed:

Speed is defined as the rate of distance covered in per unit time.

It is given as

$\textrm{Speed }=\dfrac{\textrm{Distance}}{Time}$

Substituting the given values we get

$\textrm{Speed }=\dfrac{21}{7}=3\ m/s$

Now, With this speed if he walk 180 feet then the time is

$\textrm{Time}=\dfrac{\textrm{Distance}}{Speed}$

Substituting Speed and Distance we get

$\textrm{Time}=\dfrac{180}{3}=60\\\\Time=60\ s$

He will take 60 seconds to move from one end of the sidewalk to other.

5 0

3 years ago

The colors in a ballon bouquet are 3/10 green, 2/10 yellow, and 5/10 red. What fraction of the ballon bouquet is red or yellow?

Dafna1 [17]

You have to add the top numbers but keep the bottom number the same.

2/10 + 5/10 = 7/10

5 0

4 years ago

Read 2 more answers

50 POINTS! IM SO CONFUSED I'LL MARK BRAINLIEST!!!!

yan [13]

The function of x is $\bold{\frac{-1x}{2}}$ .

<u>SOLUTION:</u>

Given that, we have to write a linear function f with function of (-4) =2 and function of 6=(−3).

Now, let the linear function be $\text{function of x}=a x+b$

Then, function of -4 = $a(-4)+b \rightarrow 2=-4 a+b \rightarrow b=2+4a \rightarrow (1)$

And, function of 6 = $a(6)+b \rightarrow-3=6 a+b \rightarrow b=-3-6a \rightarrow (2)$

On equating (1) and (2) to find the value of a,

$2+4a=-3-6a$

On grouping the common terms,

$4a+6a=-3-2 \rightarrow 10a=-5 \rightarrow a=\frac{-5}{10}$

$\Rightarrow a=\frac{-1}{2} \rightarrow (3)$

On substituting the value of (3) in (1) we get,

$b=2+4a \rightarrow b=2+4\times\frac{-1}{2} \rightarrow b=2+\frac{-4}{2} \rightarrow b=2+(-2)$

$\Rightarrow b=0$

So, the function of x = $\frac{-1x}{2}+0$

4 0

3 years ago

Un niño de 1,5 de altura divisa una piedra en el suelo con un ángulo de depresión de 37° a qué distancia se encuentra el niño de

Masja [62]

Answer:

english?

Step-by-step explanation:

6 0

3 years ago

What are the supplementary angles in the diagram?

aev [14]

One pair of supplementary angles is angle RUP and angle RUS. See figure 1 (attached image below). These two angles combine together to form a straight angle. By definition, supplementary angles add to 180 degrees.

Another pair of supplementary angles is angle QUS and angle TUS. See figure 2 (attached image below). These angles form the straight line ST.

There are other ways to form a straight line with two angles.

5 0

3 years ago