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3 years ago

Evaluate the expression. ab if a = 6 and b = 7 PLEASE HELP I DONT WANT TO FAIL SUMMER SCHOOL

Mathematics

1 answer:

Ainat [17]3 years ago

8 0

Answer:

${a}^{b}$

${6}^{7}$

$6 \times 6 \times 6 \times 6 \times 6 \times 6 \times 6$

$279936$

hope this will help you more

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Sandra's scores on the first 4 tests were 87%, 92%, 76%,and 89%. What is the minimum score she needs to make on the fifth test s

sergejj [24]

Answer:

Sandra need to score at least <u>56%</u> in her fifth test so that her average is 80%.

Step-by-step explanation:

Given:

First 4 test scores = 87%, 92%, 76%,89%

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We need to find the minimum score she needs to make on fifth test to achieve average of at least 80%.

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Let the minimum score she needs to make in fifth test be 'x'.

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Now we know that;

Average is equal to sum of all the scores in the test divided by number of test.

framing in equation form we get;

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3 years ago

Write 9− 16x⁴ as the product of two factors.

Marysya12 [62]

Answer:

The two factors will be $=(3+4x^2)\ and\ (3-4x^2)$

Step-by-step explanation:

We have given the equation $9-16x^4$

We know the algebraic equation $a^2-b^2=(a+b)(a-b)$

As $9-16x^4$ can be written as $3^2-(4x^2)^2$ , as square of 3 is 9 and square of $4x^2$ is $16x^4$

So $9-16x^4=3^2-(4x^2)^=(3+4x^2)(3-4x^2)$

So the two factors will be $=(3+4x^2)\ and\ (3-4x^2)$

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3 years ago