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Kitty [74]
3 years ago
9

Sophie practiced tap for 3/4 hour and ballet for 1/2 hour. How long did she practice in all?

Mathematics
2 answers:
Vlada [557]3 years ago
5 0

Answer: 75 mins, or you could say an hour and 15 mins, or 1 and 1/4

Step-by-step explanation:

you add 30 mins and 45 mins and you get 75 mins which is and hour and 15 mins or 1 and 1/4 as a fraction

nikklg [1K]3 years ago
3 0

Answer:

2 1/2 hrs or 2.5 hrs

Step-by-step explanation:

3/4+1/2

=5/2

=2 1/2 or 2.5

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14x+4(7)=y (Y=154) what is the value of x
sveta [45]

Answer:

x = 9

Step-by-step explanation:

So lets substitute, so the equation is;

14x + 4(7) = 154

Next, lets distribute;

14x + 28 = 154

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14x = 126

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x = 9

5 0
3 years ago
Read 2 more answers
What are the zeros of the quadratic function f(x) = 2x2 + 16x – 9? x = –4 – and x = –4 + x = –4 – and x = –4 + x = –4 – and x =
Kay [80]
\text{The zeros of the function:}\ f(x)=0\\\\f(x)=2x^2+16x-9\to2x^2+16x-9=0\ \ \ \ |+9\\\\2x^2+16x=9\ \ \ |:2\\\\x^2+8x=4.5\\\\x^2+2x\cdot4=4.5\ \ \ |+4^2\\\\\underbrace{x^2+2x\cdot4+4^2}_{(a+b)^2=a^2+2ab+b^2}=4.5+4^2\\\\(x+4)^2=20.5\iff x+4=\pm\sqrt{20.5}\ \ \ \ |-4\\\\x=-\sqrt{20.5}-4\ \vee\ x=\sqrt{20.5}-4
8 0
4 years ago
Samuel and Jason spent 3/4 of their combined earnings from 100 by gift. How much do they spend? Is there enough left over from W
-Dominant- [34]

They spend $5.88 on a gift, but there is not enough money left over to spend $3.25 on a card, if Samuel and Jason spent 3/4 of their combined earnings from 100 by gift.

<h3>Define equation.</h3>

A formula that expresses the connection between two expressions on each side of a sign is called equation. Typically, it has a single variable and an equal sign. Like this: 2x - 4 Equals 2.

Given,

Samuel and Jason spent 3/4 of their combined earnings from 100 by gift.

Samuel and Jason's profits as of Wednesday are as follows:

Earnings for Samuel:

12.5 x 40  

$5.

Earnings for Jason are

7.1 x $0.40

$2.84.

The total revenue for Wednesday is:

Samuel's and Jason's combined incomes are equal.

Earnings totaled

$5 + $2.84 = $7.84

The money that was spent is:

Total income multiplied by 34 equals spent income.

Earnings spent = 7.84 x 1/4

Earnings spent =  $5.88

The remainder is:

Equation

Leftover = Total Earnings - Spent Earnings

7.84 - 5.88 =  $1.96 in leftovers.

They spend $5.88 on a gift, but there is not enough money left over to spend $3.25 on a card.

To learn more about equation, visit:

brainly.com/question/2420339

#SPJ1

7 0
1 year ago
What is the area of the shaded region of the figure pictured? Round your answer to the nearest tenth.
timurjin [86]

Answer:

use Pythagoras to find diameter of circle.

use half of diameter as radius to find area of circle.

subtract area of square from area of circle.

the steps are very simple so I didn't want to waste time drawing it out. added a photo outlining each step for you. feel free to ask if you need a step explained

5 0
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