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2 years ago

I’ll give you brainiest if you answer correctly! I need help please

Mathematics

1 answer:

laila [671]2 years ago

6 0

Answer:

Here is how i figured it out

Step-by-step explanation:

Brainliest pls ?

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If I can paint a wall in 20 min and my friend can paint a wall in 30 min. How many minutes would it take for us to paint a wall

ra1l [238]

Answer: $12\ \text{min}$

Step-by-step explanation:

Given

It takes 20 min and 30 min for a person and his friend to paint a wall individually i.e.

In 1 min they cover $\frac{1}{20}$ part and $\frac{1}{30}$ part of wall respectively.

If the work together, 1 minute work is

$\Rightarrow \dfrac{1}{20}+\dfrac{1}{30}\\\\\Rightarrow \dfrac{3+2}{60}\\\\\Rightarrow \dfrac{5}{60}$

Time required will be reciprocal of it

$\Rightarrow \dfrac{60}{5}=12\ \text{min}$

3 0

2 years ago

Jimmy is buying 2 pairs of pants that cost $14.50 each. There is a 7.5% sales tax What is the total Jimmy will pay for the pants

dangina [55]

Answer:

$31.18

Step-by-step explanation:

14.50 x 2 = 29

29 x 0.075 = 2.175

29 + 2.175 = 31.175

Round up to 31.18

5 0

2 years ago

The net of a right triangle

marusya05 [52]

Answer:

l \

l______\

Step-by-step explanation:

8 0

2 years ago

What’s the answer for this ?

baherus [9]

Answer:

Option B is the right option.

Here,

According to Question,

∆PNO ~ ∆ XYZ

i.e <PNO=<YXZ =37°

<PON= < YZX = 90°

hence, both triangles are similar by AA rule.

Hope this helps...

Good luck on your assignment....

4 0

2 years ago

Suzanne deposited x dollars to her savings account. Her old balance was $348.50, and her new balance is $532.20. Find the deposi

IgorLugansk [536]

Answer:

$183.7

Step-by-step explanation:

To find the deposited amount you need to....

$$532.20-$348.50=$183.70$

4 0

1 year ago

Read 2 more answers