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4 years ago

Find the simplify form of the expression. Give your answer in scientific notation:

Mathematics

1 answer:

coldgirl [10]4 years ago

3 0

You multiply the 2 values together to get 1.5*10^12

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Which graph shows a function whose inverse is also a function?

Westkost [7]

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hello the function graph is turned 90 degree like clock way.

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3 years ago

Hardy was given the scale drawing of the enlargement to Analyze Hardy's work to determine if he is correct. If he

irakobra [83]

Answer:

the correct answer is NO. hardy should have multiplied by the scale factor to find the missing length.

Step-by-step explanation:

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3 years ago

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The difference of 2 and the<br> product of 3 and k

MA_775_DIABLO [31]

Answer:

3k-2

Step-by-step explanation:

Difference obiously means subtraction in this situation and you are subtraction 2 from the end result. " The product of 3 and k" is just refering to multiplying an unknown value by 3. This unknown value then becomes a variable and 3 becomes the coefficient. When these numbers are put together, they are suggesting multiplication. It can also be written to be less confusing. (3 x k)-2 which is the same thing as 3k-2.

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3 years ago

Which inequality statement best represents the graph below?

lbvjy [14]

Graph A is correct. The ≥ sign is correct because the gray area is above the red. x^2 has a positive coefficient which corresponds to the opening-up parabola.

7 0

3 years ago

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To earn an A in an algebra course, a student must have a test average of at least 90. Mary has grades of 95, 82, 88 on her first

Fofino [41]

Answer: Mary need to make at-least 95 on her fourth test to earn an A in her algebra course.

Step-by-step explanation:

Let x be the grades scored by Mary in the fourth algebra test.

Mary has grades of 95, 82, 88 on her first three algebra tests.

Then, the combined scores in four test will become = 95+82+88+x = 265+x

Average score = (Sum of all scores) ÷ (Number of tests)

$=\dfrac{265+x}{4}$

As per given ,

To earn an A in an algebra course, a student must have a test average of at least 90.

i.e. Average score ≥ 90

$\Rightarrow\ \dfrac{265+x}{4}\geq90\\\\\Rightarrow\ 265+x\geq 90\times4=360\\\\\Rightarrow\ x\geq360-265 =95\\\\\Rightarrow\ x\geq90$

Hence, Mary need to make at-least 95 on her fourth test to earn an A in her algebra course.

5 0

3 years ago