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Naya [18.7K]
2 years ago
14

Y = 2(6 + 1) + 5(3 + 2)

Mathematics
1 answer:
never [62]2 years ago
6 0

Step-by-step explanation:

According to PEMDAS parentheses are first.

2(6+1) can be simplified to 12+2.

5(3+2) can be simplified to 15+10

Add these two together.

12+2+15+10

14+15+10

29+10

y=39

Note - when you have something like this in math 2(6+1) it means you need to do 2 x 6 and 2 x 1

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Find the roots.<br><br> 2x^2 + 4x - 5 =0
xz_007 [3.2K]

Answer:

-1\pm\dfrac{\sqrt{14}}{2}

Step-by-step explanation:

2x^2+4x-5=0

Using the quadratic formula:

x=\dfrac{-4\pm \sqrt{16+40}}{4}=-1\pm\dfrac{\sqrt{14}}{2}

Hope this helps!

8 0
3 years ago
In a video game, Clare scored 50% more pints than Tyler. If c is the number of points that Claire scores and t is the number of
olga55 [171]
<h3><u>Question:</u></h3>

In a video game, Clare scored 50% more points than Tyler. If c is the number of points that Clare scored and t is the number of points that Tyler scored, which equations are correct? Select all that apply.

the options are

A. c=1.5t

B.c=t+0.5

C. c=t+0.5t

D. c=t+50

E.c=(1+0.5)t

<h3><u>Answer:</u></h3>

Options A, C, E are correct

The correct equations are c = 1.5t and c = t + 0.5t and c = (1 + 0.5)t

<h3><u>Solution:</u></h3>

Let "c" be the number of points clare scored

Let "t" be the number of points tyler scored

Given that,

Clare scored 50% more points than Tyler

Points scored by clare = points tyler scored + 50% of Tyler points

c = t + 50 % of t

Therefore, on solving, we get

c = t + \frac{50}{100} \times t\\\\c = t + 0.5t

Thus option c is correct

On simplfying we get,

c = t + 0.5t = 1.5t

c = 1.5t

Thus option A is correct

c = t + 0.5t

On taking "t" as common we get,

c = t(1 + 0.5)

Thus option E is also correct

3 0
3 years ago
A stick of butter measures 3 cm wide, 8 cm long, and 2 cm high. What is the volume of the stick of butter?
Jobisdone [24]

Answer:

48cm

Step-by-step explanation:

V= L x W x H

V= 8 x 3 x 2=  48cm

5 0
2 years ago
A motorist travels 275 km in 5 hours. How far con he travel in 9 hours at the some.
inessss [21]

Answer:

he can travel 495 km in 9 hr

distance covered in one hr = 275\5

55

distance covered in 9 hrs =495

3 0
3 years ago
You have $7.45. You buy 8 items that cost $0.83 each. How much money do you have left
Agata [3.3K]

Answer:

$0.81

Step-by-step explanation:

left

7.45-8(0.83)=7.45-6.64=0.81

I hope I have helped you

6 0
2 years ago
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