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4 years ago

What is 9 1/2 - 6 1/2?

Mathematics

2 answers:

IceJOKER [234]4 years ago

7 0

9.5 - 6.5 = 3. So your answer is 3.

LuckyWell [14K]4 years ago

4 0

Remember to change into a top heavy fraction, so 9 1/2 - 6 1/2 = $\frac{19}{2} - \frac{13}{2}$ , so 19-3 =16; so 16/2 =8

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Emily increased the price of carrot cakes at her bakery by 6%. The original price of a carrot cake is represented by x. Which ex

Vlada [557]

Answer:

1.06x

Step-by-step explanation:

The original price of a carrot cake is represented by x.

Emily increased the price of carrot cakes at her bakery by 6%.

We need to find an expression that represents the price of a carrot cake after the increase.

Price = x+6% of x

$=x+\dfrac{6}{100}x\\\\=x+0.06x\\\\=1.06x$

Hence, the required equation is "1.06x".

8 0

3 years ago

Read 2 more answers

What are the values of x and y in the matrix equation below?

choli [55]

Answer : value of x and y in the matrix equation is:

x = -3

y = +4, -4

Step-by-step explanation :

The matrix expression is:

$\left[\begin{array}{ccc}x+4\\y^2+1\end{array}\right]+\left[\begin{array}{ccc}-9x\\-17\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

First we have to add left hand side matrix.

$\left[\begin{array}{ccc}(x+4)+(-9x)\\(y^2+1)+(-17)\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

Now we have to add left hand side terms.

$\left[\begin{array}{ccc}x+4-9x\\y^2+1-17\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

$\left[\begin{array}{ccc}4-8x\\y^2-16\end{array}\right]=\left[\begin{array}{ccc}28\\0\end{array}\right]$

Now we have to equating left hand side matrix to right hand matrix, we get:

$\Rightarrow 4-8x=28\text{ and }y^2-16=0\\\\\Rightarrow 8x=4-28\text{ and }y^2=16\\\\\Rightarrow x=-3\text{ and }y=\pm 4$

Therefore, the value of x and y in the matrix equation is -3 and +4, -4 respectively.

5 0

3 years ago

4) Write the quadratic equation of the following in vertex form: vertex (-1,3) and passes through (1,-5)

Lilit [14]

You will have to set up a system of equations

4 0

3 years ago

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Multiply -3x(4x - 5)

Burka [1]

Hopes this helps if right please mark as brainlist:

Answer: -12x^2 + 15x

5 0

3 years ago

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two students club plan to share a bus on a trip to the capital transportation at lunch for day cost $12 per student one club has

ozzi

Answer:

$516

Step-by-step explanation:

first you multiply 12 and 25 and you get 300

then you multiply 12 and 18 and you get 216

Then finally you add 216 and 300 together to get $516

7 0

3 years ago