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PilotLPTM [1.2K]
2 years ago
8

Measure Math | Welcome, HAILEE KNOTT

Mathematics
1 answer:
grandymaker [24]2 years ago
3 0

Answer: 15\times\frac{1}{2}

Explanation:

Multiplying by 1/2 is the same as dividing by 2.

For example, if you have 10 slices of cake and 2 friends, then each friend gets 10/2 = 5 slices. We could also say 10\times \frac{1}{2} = 5

The fraction 1/2 converts to the decimal form 0.5, which means 10 \times \frac{1}{2} = 10*0.5

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Which are solutions of x2 + 5x = 2? Check all that apply.
ANEK [815]

we have

x^{2} +5x=2

Complete the square. Remember to balance the equation by adding the same constants to each side

x^{2} +5x+2.5^{2}=2+2.5^{2}

x^{2} +5x+6.25=2+6.25

x^{2} +5x+6.25=8.25

Rewrite as perfect squares

(x+2.5)^{2}=8.25

Square Root both sides

(x+2.5)=(+/-)\sqrt{8.25}

x=(+/-)\sqrt{8.25}-2.5

\sqrt{8.25}=\frac{\sqrt{33}}{2}

substitute

x=(+/-)\frac{\sqrt{33}}{2}-2.5

therefore

<u>the answer is</u>

the solutions are

x1=-2.5+\frac{\sqrt{33}}{2} or x1=\frac{-5+\sqrt{33}}{2}

x2=-2.5-\frac{\sqrt{33}}{2} or x2=\frac{-5-\sqrt{33}}{2}

7 0
3 years ago
Read 2 more answers
Solve for x.<br>6(x+4)-8x=16<br>​
Ilya [14]
Answer: x= -4
Have to slove what’s inside the parentheses first so you distribute x & 4 from 6 which gives you 6x + 24 then you subtract 6x & -8x gives you -2x drop down the 24 & begin to do the math

5 0
3 years ago
67,124 * 3/4 = . Will the product of this equation will be less or greater than 67,124. explain your reasoning.
Anastasy [175]

Answer:

Less than. 50343 > 67124

Step-by-step explanation:

50,343 is the answer to 67,124*3/4 and so since 50,343 is a lower number than 67,124, it would be less than.

8 0
2 years ago
The formula P=0.6x-89 models the profit, P, in dollars, for a shoe shiner when he shines x pairs of shoes.Use the formula to fin
yanalaym [24]

Answer:

do you still need help

Step-by-step explanation:

8 0
2 years ago
HELP!!!!!!!!!!!!!!! please show your work, look at the picture
Margarita [4]

Answer:

B= 2y(3)/7x(8)

C= 12/ x(3) y(3)

D= The same because nothing else can be done with it

(parnthaces) are exponents

6 0
2 years ago
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